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authorBo Xu <bo_xu@foxitsoftware.com>2014-10-28 23:03:33 -0700
committerBo Xu <bo_xu@foxitsoftware.com>2014-11-03 11:10:11 -0800
commitfdc00a7042d912aafaabddae4d9c84199921ef23 (patch)
tree32ab8ac91cc68d2cd15b9168782a71b3f3f5e7b9 /xfa_test/pdf
parente9b38fa38de2c95d8260be31c57d9272c4d127ed (diff)
downloadpdfium-fdc00a7042d912aafaabddae4d9c84199921ef23.tar.xz
Merge XFA to PDFium master at 4dc95e7 on 10/28/2014
Diffstat (limited to 'xfa_test/pdf')
-rw-r--r--xfa_test/pdf/BUILD.gn99
-rw-r--r--xfa_test/pdf/DEPS9
-rw-r--r--xfa_test/pdf/Info.plist44
-rw-r--r--xfa_test/pdf/OWNERS4
-rw-r--r--xfa_test/pdf/button.cc179
-rw-r--r--xfa_test/pdf/button.h71
-rw-r--r--xfa_test/pdf/chunk_stream.cc172
-rw-r--r--xfa_test/pdf/chunk_stream.h48
-rw-r--r--xfa_test/pdf/control.cc117
-rw-r--r--xfa_test/pdf/control.h77
-rw-r--r--xfa_test/pdf/document_loader.cc513
-rw-r--r--xfa_test/pdf/document_loader.h124
-rw-r--r--xfa_test/pdf/draw_utils.cc343
-rw-r--r--xfa_test/pdf/draw_utils.h94
-rw-r--r--xfa_test/pdf/fading_control.cc75
-rw-r--r--xfa_test/pdf/fading_control.h32
-rw-r--r--xfa_test/pdf/fading_controls.cc316
-rw-r--r--xfa_test/pdf/fading_controls.h84
-rw-r--r--xfa_test/pdf/instance.cc2778
-rw-r--r--xfa_test/pdf/instance.h531
-rw-r--r--xfa_test/pdf/number_image_generator.cc81
-rw-r--r--xfa_test/pdf/number_image_generator.h37
-rw-r--r--xfa_test/pdf/out_of_process_instance.cc1369
-rw-r--r--xfa_test/pdf/out_of_process_instance.h345
-rw-r--r--xfa_test/pdf/page_indicator.cc127
-rw-r--r--xfa_test/pdf/page_indicator.h72
-rw-r--r--xfa_test/pdf/paint_aggregator.cc263
-rw-r--r--xfa_test/pdf/paint_aggregator.h130
-rw-r--r--xfa_test/pdf/paint_manager.cc302
-rw-r--r--xfa_test/pdf/paint_manager.h205
-rw-r--r--xfa_test/pdf/pdf.cc275
-rw-r--r--xfa_test/pdf/pdf.def7
-rw-r--r--xfa_test/pdf/pdf.gyp200
-rw-r--r--xfa_test/pdf/pdf.h24
-rw-r--r--xfa_test/pdf/pdf.rc104
-rw-r--r--xfa_test/pdf/pdf_engine.h321
-rw-r--r--xfa_test/pdf/pdfium/pdfium_assert_matching_enums.cc207
-rw-r--r--xfa_test/pdf/pdfium/pdfium_engine.cc3884
-rw-r--r--xfa_test/pdf/pdfium/pdfium_engine.h687
-rw-r--r--xfa_test/pdf/pdfium/pdfium_mem_buffer_file_read.cc34
-rw-r--r--xfa_test/pdf/pdfium/pdfium_mem_buffer_file_read.h30
-rw-r--r--xfa_test/pdf/pdfium/pdfium_mem_buffer_file_write.cc33
-rw-r--r--xfa_test/pdf/pdfium/pdfium_mem_buffer_file_write.h34
-rw-r--r--xfa_test/pdf/pdfium/pdfium_page.cc477
-rw-r--r--xfa_test/pdf/pdfium/pdfium_page.h136
-rw-r--r--xfa_test/pdf/pdfium/pdfium_range.cc79
-rw-r--r--xfa_test/pdf/pdfium/pdfium_range.h54
-rw-r--r--xfa_test/pdf/preview_mode_client.cc162
-rw-r--r--xfa_test/pdf/preview_mode_client.h77
-rw-r--r--xfa_test/pdf/progress_control.cc283
-rw-r--r--xfa_test/pdf/progress_control.h72
-rw-r--r--xfa_test/pdf/resource.h14
-rw-r--r--xfa_test/pdf/resource_consts.h49
-rw-r--r--xfa_test/pdf/thumbnail_control.cc301
-rw-r--r--xfa_test/pdf/thumbnail_control.h67
55 files changed, 16252 insertions, 0 deletions
diff --git a/xfa_test/pdf/BUILD.gn b/xfa_test/pdf/BUILD.gn
new file mode 100644
index 0000000000..5e1f165b1c
--- /dev/null
+++ b/xfa_test/pdf/BUILD.gn
@@ -0,0 +1,99 @@
+# Copyright 2014 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+pdf_engine = 0 # 0 PDFium
+
+# TODO(GYP) need support for loadable modules
+shared_library("pdf") {
+ sources = [
+ "button.h",
+ "button.cc",
+ "chunk_stream.h",
+ "chunk_stream.cc",
+ "control.h",
+ "control.cc",
+ "document_loader.h",
+ "document_loader.cc",
+ "draw_utils.cc",
+ "draw_utils.h",
+ "fading_control.cc",
+ "fading_control.h",
+ "fading_controls.cc",
+ "fading_controls.h",
+ "instance.cc",
+ "instance.h",
+ "number_image_generator.cc",
+ "number_image_generator.h",
+ "out_of_process_instance.cc",
+ "out_of_process_instance.h",
+ "page_indicator.cc",
+ "page_indicator.h",
+ "paint_aggregator.cc",
+ "paint_aggregator.h",
+ "paint_manager.cc",
+ "paint_manager.h",
+ "pdf.cc",
+ "pdf.h",
+ "pdf.rc",
+ "progress_control.cc",
+ "progress_control.h",
+ "pdf_engine.h",
+ "preview_mode_client.cc",
+ "preview_mode_client.h",
+ "resource.h",
+ "resource_consts.h",
+ "thumbnail_control.cc",
+ "thumbnail_control.h",
+ "../chrome/browser/chrome_page_zoom_constants.cc",
+ "../content/common/page_zoom.cc",
+ ]
+
+ if (pdf_engine == 0) {
+ sources += [
+ "pdfium/pdfium_assert_matching_enums.cc",
+ "pdfium/pdfium_engine.cc",
+ "pdfium/pdfium_engine.h",
+ "pdfium/pdfium_mem_buffer_file_read.cc",
+ "pdfium/pdfium_mem_buffer_file_read.h",
+ "pdfium/pdfium_mem_buffer_file_write.cc",
+ "pdfium/pdfium_mem_buffer_file_write.h",
+ "pdfium/pdfium_page.cc",
+ "pdfium/pdfium_page.h",
+ "pdfium/pdfium_range.cc",
+ "pdfium/pdfium_range.h",
+ ]
+ }
+
+ if (is_win) {
+ defines = [ "COMPILE_CONTENT_STATICALLY" ]
+ cflags = [ "/wd4267" ] # TODO(jschuh) size_t to int truncations.
+ }
+
+ if (is_mac) {
+ # TODO(GYP)
+ #'mac_bundle': 1,
+ #'product_name': 'PDF',
+ #'product_extension': 'plugin',
+ ## Strip the shipping binary of symbols so "Foxit" doesn't appear in
+ ## the binary. Symbols are stored in a separate .dSYM.
+ #'variables': {
+ # 'mac_real_dsym': 1,
+ #},
+ #'sources+': [
+ # 'Info.plist'
+ #]
+ #'xcode_settings': {
+ # 'INFOPLIST_FILE': 'Info.plist',
+ #},
+ }
+
+ deps = [
+ "//base",
+ "//net",
+ "//ppapi:ppapi_cpp",
+ "//third_party/pdfium",
+ ]
+}
+
+# TODO(GYP) pdf_linux_symbols target.
diff --git a/xfa_test/pdf/DEPS b/xfa_test/pdf/DEPS
new file mode 100644
index 0000000000..73f2f8f44d
--- /dev/null
+++ b/xfa_test/pdf/DEPS
@@ -0,0 +1,9 @@
+include_rules = [
+ "!chrome/browser/chrome_page_zoom_constants.h",
+ "!chrome/common/content_restriction.h",
+ "!content/public/common/page_zoom.h",
+ "+net",
+ "+ppapi",
+ "+third_party/pdfium/fpdfsdk/include",
+ "+ui/events/keycodes/keyboard_codes.h",
+]
diff --git a/xfa_test/pdf/Info.plist b/xfa_test/pdf/Info.plist
new file mode 100644
index 0000000000..9f3dfdf834
--- /dev/null
+++ b/xfa_test/pdf/Info.plist
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+ <key>CFBundleDevelopmentRegion</key>
+ <string>English</string>
+ <key>CFBundleExecutable</key>
+ <string>${EXECUTABLE_NAME}</string>
+ <key>CFBundleIdentifier</key>
+ <string>org.chromium.pdf_plugin</string>
+ <key>CFBundleInfoDictionaryVersion</key>
+ <string>6.0</string>
+ <key>CFBundleName</key>
+ <string>${PRODUCT_NAME}</string>
+ <key>CFBundlePackageType</key>
+ <string>BRPL</string>
+ <key>CFBundleShortVersionString</key>
+ <string>1.0</string>
+ <key>CFBundleSignature</key>
+ <string>????</string>
+ <key>CFBundleVersion</key>
+ <string>1.0</string>
+ <key>CFPlugInDynamicRegisterFunction</key>
+ <string></string>
+ <key>CFPlugInDynamicRegistration</key>
+ <string>NO</string>
+ <key>WebPluginDescription</key>
+ <string>Chrome PDF Viewer</string>
+ <key>WebPluginMIMETypes</key>
+ <dict>
+ <key>application/pdf</key>
+ <dict>
+ <key>WebPluginExtensions</key>
+ <array>
+ <string>pdf</string>
+ </array>
+ <key>WebPluginTypeDescription</key>
+ <string>Acrobat Portable Document Format</string>
+ </dict>
+ </dict>
+ <key>WebPluginName</key>
+ <string>Chrome PDF Viewer</string>
+</dict>
+</plist>
diff --git a/xfa_test/pdf/OWNERS b/xfa_test/pdf/OWNERS
new file mode 100644
index 0000000000..4b408bc7c9
--- /dev/null
+++ b/xfa_test/pdf/OWNERS
@@ -0,0 +1,4 @@
+gene@chromium.org
+jam@chromium.org
+raymes@chromium.org
+thestig@chromium.org \ No newline at end of file
diff --git a/xfa_test/pdf/button.cc b/xfa_test/pdf/button.cc
new file mode 100644
index 0000000000..3a30164c14
--- /dev/null
+++ b/xfa_test/pdf/button.cc
@@ -0,0 +1,179 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "pdf/button.h"
+
+#include "base/logging.h"
+#include "pdf/draw_utils.h"
+#include "ppapi/cpp/input_event.h"
+
+namespace chrome_pdf {
+
+Button::Button()
+ : style_(BUTTON_CLICKABLE), state_(BUTTON_NORMAL), is_pressed_(false) {
+}
+
+Button::~Button() {
+}
+
+bool Button::CreateButton(uint32 id,
+ const pp::Point& origin,
+ bool visible,
+ Control::Owner* owner,
+ ButtonStyle style,
+ const pp::ImageData& face_normal,
+ const pp::ImageData& face_highlighted,
+ const pp::ImageData& face_pressed) {
+ DCHECK(face_normal.size().GetArea());
+ DCHECK(face_normal.size() == face_highlighted.size());
+ DCHECK(face_normal.size() == face_pressed.size());
+
+ pp::Rect rc(origin, face_normal.size());
+ if (!Control::Create(id, rc, visible, owner))
+ return false;
+
+ style_ = style;
+
+ normal_ = face_normal;
+ highlighted_ = face_highlighted;
+ pressed_ = face_pressed;
+
+ return true;
+}
+
+
+void Button::Paint(pp::ImageData* image_data, const pp::Rect& rc) {
+ if (!visible())
+ return;
+
+ pp::Rect draw_rc = rc.Intersect(rect());
+ if (draw_rc.IsEmpty())
+ return;
+
+ pp::Point origin = draw_rc.point();
+ draw_rc.Offset(-rect().x(), -rect().y());
+
+ AlphaBlend(GetCurrentImage(), draw_rc, image_data, origin, transparency());
+}
+
+bool Button::HandleEvent(const pp::InputEvent& event) {
+ if (!visible())
+ return false;
+
+ // Button handles mouse events only.
+ pp::MouseInputEvent mouse_event(event);
+ if (mouse_event.is_null())
+ return false;
+
+ pp::Point pt = mouse_event.GetPosition();
+ if (!rect().Contains(pt) ||
+ event.GetType() == PP_INPUTEVENT_TYPE_MOUSELEAVE) {
+ ChangeState(BUTTON_NORMAL, false);
+ owner()->SetEventCapture(id(), false);
+ return false;
+ }
+
+ owner()->SetCursor(id(), PP_CURSORTYPE_POINTER);
+ owner()->SetEventCapture(id(), true);
+
+ bool handled = true;
+ switch (event.GetType()) {
+ case PP_INPUTEVENT_TYPE_MOUSEMOVE:
+ if (state_ == BUTTON_NORMAL)
+ ChangeState(BUTTON_HIGHLIGHTED, false);
+ break;
+ case PP_INPUTEVENT_TYPE_MOUSEDOWN:
+ if (mouse_event.GetButton() == PP_INPUTEVENT_MOUSEBUTTON_LEFT) {
+ ChangeState(BUTTON_PRESSED, false);
+ is_pressed_ = true;
+ }
+ break;
+ case PP_INPUTEVENT_TYPE_MOUSEUP:
+ if (mouse_event.GetButton() == PP_INPUTEVENT_MOUSEBUTTON_LEFT &&
+ is_pressed_) {
+ OnButtonClicked();
+ is_pressed_ = false;
+ } else {
+ // Since button has not been pressed, return false to allow other
+ // controls (scrollbar) to process mouse button up.
+ return false;
+ }
+ break;
+ default:
+ handled = false;
+ break;
+ }
+
+ return handled;
+}
+
+void Button::OnEventCaptureReleased() {
+ ChangeState(BUTTON_NORMAL, false);
+}
+
+void Button::Show(bool visible, bool invalidate) {
+ // If button become invisible, remove pressed flag.
+ if (!visible)
+ is_pressed_ = false;
+ Control::Show(visible, invalidate);
+}
+
+void Button::AdjustTransparency(uint8 transparency, bool invalidate) {
+ // If button become invisible, remove pressed flag.
+ if (transparency == kTransparentAlpha)
+ is_pressed_ = false;
+ Control::AdjustTransparency(transparency, invalidate);
+}
+
+void Button::SetPressedState(bool pressed) {
+ if (style_ == BUTTON_STATE) {
+ if (IsPressed() != pressed)
+ ChangeState(pressed ? BUTTON_PRESSED_STICKY : BUTTON_NORMAL, true);
+ }
+}
+
+const pp::ImageData& Button::GetCurrentImage() {
+ switch (state_) {
+ case BUTTON_NORMAL: return normal_;
+ case BUTTON_HIGHLIGHTED: return highlighted_;
+ case BUTTON_PRESSED:
+ case BUTTON_PRESSED_STICKY: return pressed_;
+ }
+ NOTREACHED();
+ return normal_;
+}
+
+void Button::ChangeState(ButtonState new_state, bool force) {
+ if (style_ == BUTTON_STATE && !force) {
+ // If button is a state button and pressed state is sticky,
+ // user have to click on this button again to unpress it.
+ if ((state_ == BUTTON_PRESSED_STICKY && new_state != BUTTON_PRESSED_STICKY)
+ ||
+ (state_ != BUTTON_PRESSED_STICKY && new_state == BUTTON_PRESSED_STICKY))
+ return;
+ }
+
+ if (state_ != new_state) {
+ state_ = new_state;
+ owner()->Invalidate(id(), rect());
+ }
+}
+
+void Button::OnButtonClicked() {
+ switch (style_) {
+ case BUTTON_CLICKABLE:
+ ChangeState(BUTTON_HIGHLIGHTED, true);
+ owner()->OnEvent(id(), EVENT_ID_BUTTON_CLICKED, NULL);
+ break;
+ case BUTTON_STATE:
+ SetPressedState(!IsPressed());
+ owner()->OnEvent(id(), EVENT_ID_BUTTON_STATE_CHANGED, NULL);
+ break;
+ default:
+ NOTREACHED();
+ }
+}
+
+} // namespace chrome_pdf
+
diff --git a/xfa_test/pdf/button.h b/xfa_test/pdf/button.h
new file mode 100644
index 0000000000..fa2517d62b
--- /dev/null
+++ b/xfa_test/pdf/button.h
@@ -0,0 +1,71 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PDF_BUTTON_H_
+#define PDF_BUTTON_H_
+
+#include "pdf/control.h"
+#include "ppapi/cpp/image_data.h"
+#include "ppapi/cpp/rect.h"
+
+namespace chrome_pdf {
+
+class Button : public Control {
+ public:
+ enum ButtonEventIds {
+ EVENT_ID_BUTTON_CLICKED,
+ EVENT_ID_BUTTON_STATE_CHANGED,
+ };
+
+ enum ButtonStyle {
+ BUTTON_CLICKABLE,
+ BUTTON_STATE
+ };
+
+ enum ButtonState {
+ BUTTON_NORMAL,
+ BUTTON_HIGHLIGHTED,
+ BUTTON_PRESSED,
+ BUTTON_PRESSED_STICKY,
+ };
+
+ Button();
+ virtual ~Button();
+ virtual bool CreateButton(uint32 id,
+ const pp::Point& origin,
+ bool visible,
+ Control::Owner* delegate,
+ ButtonStyle style,
+ const pp::ImageData& face_normal,
+ const pp::ImageData& face_highlighted,
+ const pp::ImageData& face_pressed);
+
+ virtual void Paint(pp::ImageData* image_data, const pp::Rect& rc);
+ virtual bool HandleEvent(const pp::InputEvent& event);
+ virtual void OnEventCaptureReleased();
+ virtual void Show(bool visible, bool invalidate);
+ virtual void AdjustTransparency(uint8 transparency, bool invalidate);
+
+ ButtonState state() const { return state_; }
+ bool IsPressed() const { return state() == BUTTON_PRESSED_STICKY; }
+ void SetPressedState(bool pressed);
+
+ private:
+ void OnButtonClicked();
+
+ const pp::ImageData& GetCurrentImage();
+ void ChangeState(ButtonState new_state, bool force);
+
+ ButtonStyle style_;
+ ButtonState state_;
+ bool is_pressed_;
+
+ pp::ImageData normal_;
+ pp::ImageData highlighted_;
+ pp::ImageData pressed_;
+};
+
+} // namespace chrome_pdf
+
+#endif // PDF_BUTTON_H_
diff --git a/xfa_test/pdf/chunk_stream.cc b/xfa_test/pdf/chunk_stream.cc
new file mode 100644
index 0000000000..7ac8f974a5
--- /dev/null
+++ b/xfa_test/pdf/chunk_stream.cc
@@ -0,0 +1,172 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "pdf/chunk_stream.h"
+
+#define __STDC_LIMIT_MACROS
+#ifdef _WIN32
+#include <limits.h>
+#else
+#include <stdint.h>
+#endif
+
+#include <algorithm>
+
+#include "base/basictypes.h"
+
+namespace chrome_pdf {
+
+ChunkStream::ChunkStream() {
+}
+
+ChunkStream::~ChunkStream() {
+}
+
+void ChunkStream::Clear() {
+ chunks_.clear();
+ data_.clear();
+}
+
+void ChunkStream::Preallocate(size_t stream_size) {
+ data_.reserve(stream_size);
+}
+
+size_t ChunkStream::GetSize() {
+ return data_.size();
+}
+
+bool ChunkStream::WriteData(size_t offset, void* buffer, size_t size) {
+ if (SIZE_MAX - size < offset)
+ return false;
+
+ if (data_.size() < offset + size)
+ data_.resize(offset + size);
+
+ memcpy(&data_[offset], buffer, size);
+
+ if (chunks_.empty()) {
+ chunks_[offset] = size;
+ return true;
+ }
+
+ std::map<size_t, size_t>::iterator start = chunks_.upper_bound(offset);
+ if (start != chunks_.begin())
+ --start; // start now points to the key equal or lower than offset.
+ if (start->first + start->second < offset)
+ ++start; // start element is entirely before current chunk, skip it.
+
+ std::map<size_t, size_t>::iterator end = chunks_.upper_bound(offset + size);
+ if (start == end) { // No chunks to merge.
+ chunks_[offset] = size;
+ return true;
+ }
+
+ --end;
+
+ size_t new_offset = std::min<size_t>(start->first, offset);
+ size_t new_size =
+ std::max<size_t>(end->first + end->second, offset + size) - new_offset;
+
+ chunks_.erase(start, ++end);
+
+ chunks_[new_offset] = new_size;
+
+ return true;
+}
+
+bool ChunkStream::ReadData(size_t offset, size_t size, void* buffer) const {
+ if (!IsRangeAvailable(offset, size))
+ return false;
+
+ memcpy(buffer, &data_[offset], size);
+ return true;
+}
+
+bool ChunkStream::GetMissedRanges(
+ size_t offset, size_t size,
+ std::vector<std::pair<size_t, size_t> >* ranges) const {
+ if (IsRangeAvailable(offset, size))
+ return false;
+
+ ranges->clear();
+ if (chunks_.empty()) {
+ ranges->push_back(std::pair<size_t, size_t>(offset, size));
+ return true;
+ }
+
+ std::map<size_t, size_t>::const_iterator start = chunks_.upper_bound(offset);
+ if (start != chunks_.begin())
+ --start; // start now points to the key equal or lower than offset.
+ if (start->first + start->second < offset)
+ ++start; // start element is entirely before current chunk, skip it.
+
+ std::map<size_t, size_t>::const_iterator end =
+ chunks_.upper_bound(offset + size);
+ if (start == end) { // No data in the current range available.
+ ranges->push_back(std::pair<size_t, size_t>(offset, size));
+ return true;
+ }
+
+ size_t cur_offset = offset;
+ std::map<size_t, size_t>::const_iterator it;
+ for (it = start; it != end; ++it) {
+ if (cur_offset < it->first) {
+ size_t new_size = it->first - cur_offset;
+ ranges->push_back(std::pair<size_t, size_t>(cur_offset, new_size));
+ cur_offset = it->first + it->second;
+ } else if (cur_offset < it->first + it->second) {
+ cur_offset = it->first + it->second;
+ }
+ }
+
+ // Add last chunk.
+ if (cur_offset < offset + size)
+ ranges->push_back(std::pair<size_t, size_t>(cur_offset,
+ offset + size - cur_offset));
+
+ return true;
+}
+
+bool ChunkStream::IsRangeAvailable(size_t offset, size_t size) const {
+ if (chunks_.empty())
+ return false;
+
+ if (SIZE_MAX - size < offset)
+ return false;
+
+ std::map<size_t, size_t>::const_iterator it = chunks_.upper_bound(offset);
+ if (it == chunks_.begin())
+ return false; // No chunks includes offset byte.
+
+ --it; // Now it starts equal or before offset.
+ return (it->first + it->second) >= (offset + size);
+}
+
+size_t ChunkStream::GetFirstMissingByte() const {
+ if (chunks_.empty())
+ return 0;
+ std::map<size_t, size_t>::const_iterator begin = chunks_.begin();
+ return begin->first > 0 ? 0 : begin->second;
+}
+
+size_t ChunkStream::GetLastByteBefore(size_t offset) const {
+ if (chunks_.empty())
+ return 0;
+ std::map<size_t, size_t>::const_iterator it = chunks_.upper_bound(offset);
+ if (it == chunks_.begin())
+ return 0;
+ --it;
+ return it->first + it->second;
+}
+
+size_t ChunkStream::GetFirstByteAfter(size_t offset) const {
+ if (chunks_.empty())
+ return 0;
+ std::map<size_t, size_t>::const_iterator it = chunks_.upper_bound(offset);
+ if (it == chunks_.end())
+ return data_.size();
+ return it->first;
+}
+
+} // namespace chrome_pdf
diff --git a/xfa_test/pdf/chunk_stream.h b/xfa_test/pdf/chunk_stream.h
new file mode 100644
index 0000000000..fac1ec644d
--- /dev/null
+++ b/xfa_test/pdf/chunk_stream.h
@@ -0,0 +1,48 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PDF_CHUNK_STREAM_H_
+#define PDF_CHUNK_STREAM_H_
+
+#include <stddef.h>
+
+#include <map>
+#include <vector>
+
+namespace chrome_pdf {
+
+// This class collects a chunks of data into one data stream. Client can check
+// if data in certain range is available, and get missing chunks of data.
+class ChunkStream {
+ public:
+ ChunkStream();
+ ~ChunkStream();
+
+ void Clear();
+
+ void Preallocate(size_t stream_size);
+ size_t GetSize();
+
+ bool WriteData(size_t offset, void* buffer, size_t size);
+ bool ReadData(size_t offset, size_t size, void* buffer) const;
+
+ // Returns vector of pairs where first is an offset, second is a size.
+ bool GetMissedRanges(size_t offset, size_t size,
+ std::vector<std::pair<size_t, size_t> >* ranges) const;
+ bool IsRangeAvailable(size_t offset, size_t size) const;
+ size_t GetFirstMissingByte() const;
+
+ size_t GetLastByteBefore(size_t offset) const;
+ size_t GetFirstByteAfter(size_t offset) const;
+
+ private:
+ std::vector<unsigned char> data_;
+
+ // Pair, first - begining of the chunk, second - size of the chunk.
+ std::map<size_t, size_t> chunks_;
+};
+
+}; // namespace chrome_pdf
+
+#endif
diff --git a/xfa_test/pdf/control.cc b/xfa_test/pdf/control.cc
new file mode 100644
index 0000000000..ed911b6b95
--- /dev/null
+++ b/xfa_test/pdf/control.cc
@@ -0,0 +1,117 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "pdf/control.h"
+
+#include "base/logging.h"
+#include "pdf/draw_utils.h"
+
+namespace chrome_pdf {
+
+Control::Control()
+ : id_(kInvalidControlId),
+ visible_(false),
+ owner_(NULL),
+ transparency_(kOpaqueAlpha) {
+}
+
+Control::~Control() {
+}
+
+bool Control::Create(uint32 id, const pp::Rect& rc,
+ bool visible, Owner* owner) {
+ DCHECK(owner);
+ if (owner_ || id == kInvalidControlId)
+ return false; // Already created or id is invalid.
+ id_ = id;
+ rc_ = rc;
+ visible_ = visible;
+ owner_ = owner;
+ return true;
+}
+
+bool Control::HandleEvent(const pp::InputEvent& event) {
+ return false;
+}
+
+void Control::PaintMultipleRects(pp::ImageData* image_data,
+ const std::list<pp::Rect>& rects) {
+ DCHECK(rects.size() > 0);
+ if (rects.size() == 1) {
+ Paint(image_data, rects.front());
+ return;
+ }
+
+ // Some rects in the input list may overlap. To prevent double
+ // painting (causes problems with semi-transparent controls) we'll
+ // paint control into buffer image data only once and copy requested
+ // rectangles.
+ pp::ImageData buffer(owner()->GetInstance(), image_data->format(),
+ rect().size(), false);
+ if (buffer.is_null())
+ return;
+
+ pp::Rect draw_rc = pp::Rect(image_data->size()).Intersect(rect());
+ pp::Rect ctrl_rc = pp::Rect(draw_rc.point() - rect().point(), draw_rc.size());
+ CopyImage(*image_data, draw_rc, &buffer, ctrl_rc, false);
+
+ // Temporary move control to origin (0,0) and draw it into temp buffer.
+ // Move to the original position afterward. Since this is going on temp
+ // buffer, we don't need to invalidate here.
+ pp::Rect temp = rect();
+ MoveTo(pp::Point(0, 0), false);
+ Paint(&buffer, ctrl_rc);
+ MoveTo(temp.point(), false);
+
+ std::list<pp::Rect>::const_iterator iter;
+ for (iter = rects.begin(); iter != rects.end(); ++iter) {
+ pp::Rect draw_rc = rect().Intersect(*iter);
+ if (!draw_rc.IsEmpty()) {
+ // Copy requested rect from the buffer image.
+ pp::Rect src_rc = draw_rc;
+ src_rc.Offset(-rect().x(), -rect().y());
+ CopyImage(buffer, src_rc, image_data, draw_rc, false);
+ }
+ }
+}
+
+void Control::Show(bool visible, bool invalidate) {
+ if (visible_ != visible) {
+ visible_ = visible;
+ if (invalidate)
+ owner_->Invalidate(id_, rc_);
+ }
+}
+
+void Control::AdjustTransparency(uint8 transparency, bool invalidate) {
+ if (transparency_ != transparency) {
+ transparency_ = transparency;
+ if (invalidate && visible_)
+ owner_->Invalidate(id_, rc_);
+ }
+}
+
+void Control::MoveBy(const pp::Point& offset, bool invalidate) {
+ pp::Rect old_rc = rc_;
+ rc_.Offset(offset);
+ if (invalidate && visible_) {
+ owner()->Invalidate(id(), old_rc);
+ owner()->Invalidate(id(), rect());
+ }
+}
+
+void Control::SetRect(const pp::Rect& rc, bool invalidate) {
+ pp::Rect old_rc = rc_;
+ rc_ = rc;
+ if (invalidate && visible_) {
+ owner()->Invalidate(id(), old_rc);
+ owner()->Invalidate(id(), rect());
+ }
+}
+
+void Control::MoveTo(const pp::Point& origin, bool invalidate) {
+ MoveBy(origin - rc_.point(), invalidate);
+}
+
+} // namespace chrome_pdf
diff --git a/xfa_test/pdf/control.h b/xfa_test/pdf/control.h
new file mode 100644
index 0000000000..babb37a2c0
--- /dev/null
+++ b/xfa_test/pdf/control.h
@@ -0,0 +1,77 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PDF_CONTROL_H_
+#define PDF_CONTROL_H_
+
+#include <list>
+
+#include "base/basictypes.h"
+#include "ppapi/c/dev/pp_cursor_type_dev.h"
+#include "ppapi/cpp/rect.h"
+
+namespace pp {
+class ImageData;
+class InputEvent;
+class Instance;
+}
+
+namespace chrome_pdf {
+
+const uint32 kInvalidControlId = 0;
+
+class Control {
+ public:
+ class Owner {
+ public:
+ virtual ~Owner() {}
+ virtual void OnEvent(uint32 control_id, uint32 event_id, void* data) = 0;
+ virtual void Invalidate(uint32 control_id, const pp::Rect& rc) = 0;
+ virtual uint32 ScheduleTimer(uint32 control_id, uint32 timeout_ms) = 0;
+ virtual void SetEventCapture(uint32 control_id, bool set_capture) = 0;
+ virtual void SetCursor(uint32 control_id,
+ PP_CursorType_Dev cursor_type) = 0;
+ virtual pp::Instance* GetInstance() = 0;
+ };
+
+ Control();
+ virtual ~Control();
+ virtual bool Create(uint32 id, const pp::Rect& rc,
+ bool visible, Owner* owner);
+
+ virtual void Paint(pp::ImageData* image_data, const pp::Rect& rc) {}
+ virtual bool HandleEvent(const pp::InputEvent& event);
+ virtual void OnTimerFired(uint32 timer_id) {}
+ virtual void EventCaptureReleased() {}
+
+ // Paint control into multiple destination rects.
+ virtual void PaintMultipleRects(pp::ImageData* image_data,
+ const std::list<pp::Rect>& rects);
+
+ virtual void Show(bool visible, bool invalidate);
+ virtual void AdjustTransparency(uint8 transparency, bool invalidate);
+ virtual void MoveBy(const pp::Point& offset, bool invalidate);
+ virtual void SetRect(const pp::Rect& rc, bool invalidate);
+
+ void MoveTo(const pp::Point& origin, bool invalidate);
+
+ uint32 id() const { return id_; }
+ const pp::Rect& rect() const { return rc_; }
+ bool visible() const { return visible_; }
+ Owner* owner() { return owner_; }
+ uint8 transparency() const { return transparency_; }
+
+ private:
+ uint32 id_;
+ pp::Rect rc_;
+ bool visible_;
+ Owner* owner_;
+ uint8 transparency_;
+};
+
+typedef Control::Owner ControlOwner;
+
+} // namespace chrome_pdf
+
+#endif // PDF_CONTROL_H_
diff --git a/xfa_test/pdf/document_loader.cc b/xfa_test/pdf/document_loader.cc
new file mode 100644
index 0000000000..b2628a6271
--- /dev/null
+++ b/xfa_test/pdf/document_loader.cc
@@ -0,0 +1,513 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "pdf/document_loader.h"
+
+#include "base/logging.h"
+#include "base/strings/string_util.h"
+#include "net/http/http_util.h"
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/cpp/url_loader.h"
+#include "ppapi/cpp/url_request_info.h"
+#include "ppapi/cpp/url_response_info.h"
+
+namespace chrome_pdf {
+
+// Document below size will be downloaded in one chunk.
+const uint32 kMinFileSize = 64*1024;
+
+DocumentLoader::DocumentLoader(Client* client)
+ : client_(client), partial_document_(false), request_pending_(false),
+ current_pos_(0), current_chunk_size_(0), current_chunk_read_(0),
+ document_size_(0), header_request_(true), is_multipart_(false) {
+ loader_factory_.Initialize(this);
+}
+
+DocumentLoader::~DocumentLoader() {
+}
+
+bool DocumentLoader::Init(const pp::URLLoader& loader,
+ const std::string& url,
+ const std::string& headers) {
+ DCHECK(url_.empty());
+ url_ = url;
+ loader_ = loader;
+
+ std::string response_headers;
+ if (!headers.empty()) {
+ response_headers = headers;
+ } else {
+ pp::URLResponseInfo response = loader_.GetResponseInfo();
+ pp::Var headers_var = response.GetHeaders();
+
+ if (headers_var.is_string()) {
+ response_headers = headers_var.AsString();
+ }
+ }
+
+ bool accept_ranges_bytes = false;
+ bool content_encoded = false;
+ uint32 content_length = 0;
+ std::string type;
+ std::string disposition;
+ if (!response_headers.empty()) {
+ net::HttpUtil::HeadersIterator it(response_headers.begin(),
+ response_headers.end(), "\n");
+ while (it.GetNext()) {
+ if (LowerCaseEqualsASCII(it.name(), "content-length")) {
+ content_length = atoi(it.values().c_str());
+ } else if (LowerCaseEqualsASCII(it.name(), "accept-ranges")) {
+ accept_ranges_bytes = LowerCaseEqualsASCII(it.values(), "bytes");
+ } else if (LowerCaseEqualsASCII(it.name(), "content-encoding")) {
+ content_encoded = true;
+ } else if (LowerCaseEqualsASCII(it.name(), "content-type")) {
+ type = it.values();
+ size_t semi_colon_pos = type.find(';');
+ if (semi_colon_pos != std::string::npos) {
+ type = type.substr(0, semi_colon_pos);
+ }
+ TrimWhitespace(type, base::TRIM_ALL, &type);
+ } else if (LowerCaseEqualsASCII(it.name(), "content-disposition")) {
+ disposition = it.values();
+ }
+ }
+ }
+ if (!type.empty() &&
+ !EndsWith(type, "/pdf", false) &&
+ !EndsWith(type, ".pdf", false) &&
+ !EndsWith(type, "/x-pdf", false) &&
+ !EndsWith(type, "/*", false) &&
+ !EndsWith(type, "/acrobat", false) &&
+ !EndsWith(type, "/unknown", false)) {
+ return false;
+ }
+ if (StartsWithASCII(disposition, "attachment", false)) {
+ return false;
+ }
+
+ if (content_length > 0)
+ chunk_stream_.Preallocate(content_length);
+
+ document_size_ = content_length;
+ requests_count_ = 0;
+
+ // Enable partial loading only if file size is above the threshold.
+ // It will allow avoiding latency for multiple requests.
+ if (content_length > kMinFileSize &&
+ accept_ranges_bytes &&
+ !content_encoded) {
+ LoadPartialDocument();
+ } else {
+ LoadFullDocument();
+ }
+ return true;
+}
+
+void DocumentLoader::LoadPartialDocument() {
+ partial_document_ = true;
+ // Force the main request to be cancelled, since if we're a full-frame plugin
+ // there could be other references to the loader.
+ loader_.Close();
+ loader_ = pp::URLLoader();
+ // Download file header.
+ header_request_ = true;
+ RequestData(0, std::min(GetRequestSize(), document_size_));
+}
+
+void DocumentLoader::LoadFullDocument() {
+ partial_document_ = false;
+ chunk_buffer_.clear();
+ ReadMore();
+}
+
+bool DocumentLoader::IsDocumentComplete() const {
+ if (document_size_ == 0) // Document size unknown.
+ return false;
+ return IsDataAvailable(0, document_size_);
+}
+
+uint32 DocumentLoader::GetAvailableData() const {
+ if (document_size_ == 0) { // If document size is unknown.
+ return current_pos_;
+ }
+
+ std::vector<std::pair<size_t, size_t> > ranges;
+ chunk_stream_.GetMissedRanges(0, document_size_, &ranges);
+ uint32 available = document_size_;
+ std::vector<std::pair<size_t, size_t> >::iterator it;
+ for (it = ranges.begin(); it != ranges.end(); ++it) {
+ available -= it->second;
+ }
+ return available;
+}
+
+void DocumentLoader::ClearPendingRequests() {
+ // The first item in the queue is pending (need to keep it in the queue).
+ if (pending_requests_.size() > 1) {
+ // Remove all elements except the first one.
+ pending_requests_.erase(++pending_requests_.begin(),
+ pending_requests_.end());
+ }
+}
+
+bool DocumentLoader::GetBlock(uint32 position, uint32 size, void* buf) const {
+ return chunk_stream_.ReadData(position, size, buf);
+}
+
+bool DocumentLoader::IsDataAvailable(uint32 position, uint32 size) const {
+ return chunk_stream_.IsRangeAvailable(position, size);
+}
+
+void DocumentLoader::RequestData(uint32 position, uint32 size) {
+ DCHECK(partial_document_);
+
+ // We have some artefact request from
+ // PDFiumEngine::OnDocumentComplete() -> FPDFAvail_IsPageAvail after
+ // document is complete.
+ // We need this fix in PDFIum. Adding this as a work around.
+ // Bug: http://code.google.com/p/chromium/issues/detail?id=79996
+ // Test url:
+ // http://www.icann.org/en/correspondence/holtzman-to-jeffrey-02mar11-en.pdf
+ if (IsDocumentComplete())
+ return;
+
+ pending_requests_.push_back(std::pair<size_t, size_t>(position, size));
+ DownloadPendingRequests();
+}
+
+void DocumentLoader::DownloadPendingRequests() {
+ if (request_pending_ || pending_requests_.empty())
+ return;
+
+ // Remove already completed requests.
+ // By design DownloadPendingRequests() should have at least 1 request in the
+ // queue. ReadComplete() will remove the last pending comment from the queue.
+ while (pending_requests_.size() > 1) {
+ if (IsDataAvailable(pending_requests_.front().first,
+ pending_requests_.front().second)) {
+ pending_requests_.pop_front();
+ } else {
+ break;
+ }
+ }
+
+ uint32 pos = pending_requests_.front().first;
+ uint32 size = pending_requests_.front().second;
+ if (IsDataAvailable(pos, size)) {
+ ReadComplete();
+ return;
+ }
+
+ // If current request has been partially downloaded already, split it into
+ // a few smaller requests.
+ std::vector<std::pair<size_t, size_t> > ranges;
+ chunk_stream_.GetMissedRanges(pos, size, &ranges);
+ if (ranges.size() > 0) {
+ pending_requests_.pop_front();
+ pending_requests_.insert(pending_requests_.begin(),
+ ranges.begin(), ranges.end());
+ pos = pending_requests_.front().first;
+ size = pending_requests_.front().second;
+ }
+
+ uint32 cur_request_size = GetRequestSize();
+ // If size is less than default request, try to expand download range for
+ // more optimal download.
+ if (size < cur_request_size && partial_document_) {
+ // First, try to expand block towards the end of the file.
+ uint32 new_pos = pos;
+ uint32 new_size = cur_request_size;
+ if (pos + new_size > document_size_)
+ new_size = document_size_ - pos;
+
+ std::vector<std::pair<size_t, size_t> > ranges;
+ if (chunk_stream_.GetMissedRanges(new_pos, new_size, &ranges)) {
+ new_pos = ranges[0].first;
+ new_size = ranges[0].second;
+ }
+
+ // Second, try to expand block towards the beginning of the file.
+ if (new_size < cur_request_size) {
+ uint32 block_end = new_pos + new_size;
+ if (block_end > cur_request_size) {
+ new_pos = block_end - cur_request_size;
+ } else {
+ new_pos = 0;
+ }
+ new_size = block_end - new_pos;
+
+ if (chunk_stream_.GetMissedRanges(new_pos, new_size, &ranges)) {
+ new_pos = ranges.back().first;
+ new_size = ranges.back().second;
+ }
+ }
+ pos = new_pos;
+ size = new_size;
+ }
+
+ size_t last_byte_before = chunk_stream_.GetLastByteBefore(pos);
+ size_t first_byte_after = chunk_stream_.GetFirstByteAfter(pos + size - 1);
+ if (pos - last_byte_before < cur_request_size) {
+ size = pos + size - last_byte_before;
+ pos = last_byte_before;
+ }
+
+ if ((pos + size < first_byte_after) &&
+ (pos + size + cur_request_size >= first_byte_after))
+ size = first_byte_after - pos;
+
+ request_pending_ = true;
+
+ // Start downloading first pending request.
+ loader_.Close();
+ loader_ = client_->CreateURLLoader();
+ pp::CompletionCallback callback =
+ loader_factory_.NewCallback(&DocumentLoader::DidOpen);
+ pp::URLRequestInfo request = GetRequest(pos, size);
+ requests_count_++;
+ int rv = loader_.Open(request, callback);
+ if (rv != PP_OK_COMPLETIONPENDING)
+ callback.Run(rv);
+}
+
+pp::URLRequestInfo DocumentLoader::GetRequest(uint32 position,
+ uint32 size) const {
+ pp::URLRequestInfo request(client_->GetPluginInstance());
+ request.SetURL(url_.c_str());
+ request.SetMethod("GET");
+ request.SetFollowRedirects(true);
+
+ const size_t kBufSize = 100;
+ char buf[kBufSize];
+ // According to rfc2616, byte range specifies position of the first and last
+ // bytes in the requested range inclusively. Therefore we should subtract 1
+ // from the position + size, to get index of the last byte that needs to be
+ // downloaded.
+ base::snprintf(buf, kBufSize, "Range: bytes=%d-%d", position,
+ position + size - 1);
+ pp::Var header(buf);
+ request.SetHeaders(header);
+
+ return request;
+}
+
+void DocumentLoader::DidOpen(int32_t result) {
+ if (result != PP_OK) {
+ NOTREACHED();
+ return;
+ }
+
+ int32_t http_code = loader_.GetResponseInfo().GetStatusCode();
+ if (http_code >= 400 && http_code < 500) {
+ // Error accessing resource. 4xx error indicate subsequent requests
+ // will fail too.
+ // E.g. resource has been removed from the server while loading it.
+ // https://code.google.com/p/chromium/issues/detail?id=414827
+ return;
+ }
+
+ is_multipart_ = false;
+ current_chunk_size_ = 0;
+ current_chunk_read_ = 0;
+
+ pp::Var headers_var = loader_.GetResponseInfo().GetHeaders();
+ std::string headers;
+ if (headers_var.is_string())
+ headers = headers_var.AsString();
+
+ std::string boundary = GetMultiPartBoundary(headers);
+ if (boundary.size()) {
+ // Leave position untouched for now, when we read the data we'll get it.
+ is_multipart_ = true;
+ multipart_boundary_ = boundary;
+ } else {
+ // Need to make sure that the server returned a byte-range, since it's
+ // possible for a server to just ignore our bye-range request and just
+ // return the entire document even if it supports byte-range requests.
+ // i.e. sniff response to
+ // http://www.act.org/compass/sample/pdf/geometry.pdf
+ current_pos_ = 0;
+ uint32 start_pos, end_pos;
+ if (GetByteRange(headers, &start_pos, &end_pos)) {
+ current_pos_ = start_pos;
+ if (end_pos && end_pos > start_pos)
+ current_chunk_size_ = end_pos - start_pos + 1;
+ }
+ }
+
+ ReadMore();
+}
+
+bool DocumentLoader::GetByteRange(const std::string& headers, uint32* start,
+ uint32* end) {
+ net::HttpUtil::HeadersIterator it(headers.begin(), headers.end(), "\n");
+ while (it.GetNext()) {
+ if (LowerCaseEqualsASCII(it.name(), "content-range")) {
+ std::string range = it.values().c_str();
+ if (StartsWithASCII(range, "bytes", false)) {
+ range = range.substr(strlen("bytes"));
+ std::string::size_type pos = range.find('-');
+ std::string range_end;
+ if (pos != std::string::npos)
+ range_end = range.substr(pos + 1);
+ TrimWhitespaceASCII(range, base::TRIM_LEADING, &range);
+ TrimWhitespaceASCII(range_end, base::TRIM_LEADING, &range_end);
+ *start = atoi(range.c_str());
+ *end = atoi(range_end.c_str());
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+std::string DocumentLoader::GetMultiPartBoundary(const std::string& headers) {
+ net::HttpUtil::HeadersIterator it(headers.begin(), headers.end(), "\n");
+ while (it.GetNext()) {
+ if (LowerCaseEqualsASCII(it.name(), "content-type")) {
+ std::string type = base::StringToLowerASCII(it.values());
+ if (StartsWithASCII(type, "multipart/", true)) {
+ const char* boundary = strstr(type.c_str(), "boundary=");
+ if (!boundary) {
+ NOTREACHED();
+ break;
+ }
+
+ return std::string(boundary + 9);
+ }
+ }
+ }
+ return std::string();
+}
+
+void DocumentLoader::ReadMore() {
+ pp::CompletionCallback callback =
+ loader_factory_.NewCallback(&DocumentLoader::DidRead);
+ int rv = loader_.ReadResponseBody(buffer_, sizeof(buffer_), callback);
+ if (rv != PP_OK_COMPLETIONPENDING)
+ callback.Run(rv);
+}
+
+void DocumentLoader::DidRead(int32_t result) {
+ if (result > 0) {
+ char* start = buffer_;
+ size_t length = result;
+ if (is_multipart_ && result > 2) {
+ for (int i = 2; i < result; ++i) {
+ if ((buffer_[i - 1] == '\n' && buffer_[i - 2] == '\n') ||
+ (i >= 4 &&
+ buffer_[i - 1] == '\n' && buffer_[i - 2] == '\r' &&
+ buffer_[i - 3] == '\n' && buffer_[i - 4] == '\r')) {
+ uint32 start_pos, end_pos;
+ if (GetByteRange(std::string(buffer_, i), &start_pos, &end_pos)) {
+ current_pos_ = start_pos;
+ start += i;
+ length -= i;
+ if (end_pos && end_pos > start_pos)
+ current_chunk_size_ = end_pos - start_pos + 1;
+ }
+ break;
+ }
+ }
+
+ // Reset this flag so we don't look inside the buffer in future calls of
+ // DidRead for this response. Note that this code DOES NOT handle multi-
+ // part responses with more than one part (we don't issue them at the
+ // moment, so they shouldn't arrive).
+ is_multipart_ = false;
+ }
+
+ if (current_chunk_size_ &&
+ current_chunk_read_ + length > current_chunk_size_)
+ length = current_chunk_size_ - current_chunk_read_;
+
+ if (length) {
+ if (document_size_ > 0) {
+ chunk_stream_.WriteData(current_pos_, start, length);
+ } else {
+ // If we did not get content-length in the response, we can't
+ // preallocate buffer for the entire document. Resizing array causing
+ // memory fragmentation issues on the large files and OOM exceptions.
+ // To fix this, we collect all chunks of the file to the list and
+ // concatenate them together after request is complete.
+ chunk_buffer_.push_back(std::vector<unsigned char>());
+ chunk_buffer_.back().resize(length);
+ memcpy(&(chunk_buffer_.back()[0]), start, length);
+ }
+ current_pos_ += length;
+ current_chunk_read_ += length;
+ client_->OnNewDataAvailable();
+ }
+ ReadMore();
+ } else if (result == PP_OK) {
+ ReadComplete();
+ } else {
+ NOTREACHED();
+ }
+}
+
+void DocumentLoader::ReadComplete() {
+ if (!partial_document_) {
+ if (document_size_ == 0) {
+ // For the document with no 'content-length" specified we've collected all
+ // the chunks already. Let's allocate final document buffer and copy them
+ // over.
+ chunk_stream_.Preallocate(current_pos_);
+ uint32 pos = 0;
+ std::list<std::vector<unsigned char> >::iterator it;
+ for (it = chunk_buffer_.begin(); it != chunk_buffer_.end(); ++it) {
+ chunk_stream_.WriteData(pos, &((*it)[0]), it->size());
+ pos += it->size();
+ }
+ chunk_buffer_.clear();
+ }
+ document_size_ = current_pos_;
+ client_->OnDocumentComplete();
+ return;
+ }
+
+ request_pending_ = false;
+ pending_requests_.pop_front();
+
+ // If there are more pending request - continue downloading.
+ if (!pending_requests_.empty()) {
+ DownloadPendingRequests();
+ return;
+ }
+
+ if (IsDocumentComplete()) {
+ client_->OnDocumentComplete();
+ return;
+ }
+
+ if (header_request_)
+ client_->OnPartialDocumentLoaded();
+ else
+ client_->OnPendingRequestComplete();
+ header_request_ = false;
+
+ // The OnPendingRequestComplete could have added more requests.
+ if (!pending_requests_.empty()) {
+ DownloadPendingRequests();
+ } else {
+ // Document is not complete and we have no outstanding requests.
+ // Let's keep downloading PDF file in small chunks.
+ uint32 pos = chunk_stream_.GetFirstMissingByte();
+ std::vector<std::pair<size_t, size_t> > ranges;
+ chunk_stream_.GetMissedRanges(pos, GetRequestSize(), &ranges);
+ DCHECK(ranges.size() > 0);
+ RequestData(ranges[0].first, ranges[0].second);
+ }
+}
+
+uint32 DocumentLoader::GetRequestSize() const {
+ // Document loading strategy:
+ // For first 10 requests, we use 32k chunk sizes, for the next 10 requests we
+ // double the size (64k), and so on, until we cap max request size at 2M for
+ // 71 or more requests.
+ uint32 limited_count = std::min(std::max(requests_count_, 10u), 70u);
+ return 32*1024 * (1 << ((limited_count - 1) / 10u));
+}
+
+} // namespace chrome_pdf
diff --git a/xfa_test/pdf/document_loader.h b/xfa_test/pdf/document_loader.h
new file mode 100644
index 0000000000..c09dba2ddd
--- /dev/null
+++ b/xfa_test/pdf/document_loader.h
@@ -0,0 +1,124 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PDF_DOCUMENT_LOADER_H_
+#define PDF_DOCUMENT_LOADER_H_
+
+#include <list>
+#include <string>
+#include <vector>
+
+#include "base/basictypes.h"
+#include "pdf/chunk_stream.h"
+#include "ppapi/cpp/url_loader.h"
+#include "ppapi/utility/completion_callback_factory.h"
+
+#define kDefaultRequestSize 32768u
+
+namespace chrome_pdf {
+
+class DocumentLoader {
+ public:
+ class Client {
+ public:
+ // Gets the pp::Instance object.
+ virtual pp::Instance* GetPluginInstance() = 0;
+ // Creates new URLLoader based on client settings.
+ virtual pp::URLLoader CreateURLLoader() = 0;
+ // Notification called when partial information about document is available.
+ // Only called for urls that returns full content size and supports byte
+ // range requests.
+ virtual void OnPartialDocumentLoaded() = 0;
+ // Notification called when all outstanding pending requests are complete.
+ virtual void OnPendingRequestComplete() = 0;
+ // Notification called when new data is available.
+ virtual void OnNewDataAvailable() = 0;
+ // Notification called when document is fully loaded.
+ virtual void OnDocumentComplete() = 0;
+ };
+
+ explicit DocumentLoader(Client* client);
+ virtual ~DocumentLoader();
+
+ bool Init(const pp::URLLoader& loader,
+ const std::string& url,
+ const std::string& headers);
+
+ // Data access interface. Return true is sucessful.
+ bool GetBlock(uint32 position, uint32 size, void* buf) const;
+
+ // Data availability interface. Return true data avaialble.
+ bool IsDataAvailable(uint32 position, uint32 size) const;
+
+ // Data availability interface. Return true data avaialble.
+ void RequestData(uint32 position, uint32 size);
+
+ bool IsDocumentComplete() const;
+ uint32 document_size() const { return document_size_; }
+
+ // Return number of bytes available.
+ uint32 GetAvailableData() const;
+
+ // Clear pending requests from the queue.
+ void ClearPendingRequests();
+
+ bool is_partial_document() { return partial_document_; }
+
+ private:
+ // Called by the completion callback of the document's URLLoader.
+ void DidOpen(int32_t result);
+ // Call to read data from the document's URLLoader.
+ void ReadMore();
+ // Called by the completion callback of the document's URLLoader.
+ void DidRead(int32_t result);
+
+ // If the headers have a byte-range response, writes the start and end
+ // positions and returns true if at least the start position was parsed.
+ // The end position will be set to 0 if it was not found or parsed from the
+ // response.
+ // Returns false if not even a start position could be parsed.
+ static bool GetByteRange(const std::string& headers, uint32* start,
+ uint32* end);
+
+ // If the headers have a multi-part response, returns the boundary name.
+ // Otherwise returns an empty string.
+ static std::string GetMultiPartBoundary(const std::string& headers);
+
+ // Called when we detect that partial document load is possible.
+ void LoadPartialDocument();
+ // Called when we have to load full document.
+ void LoadFullDocument();
+ // Download pending requests.
+ void DownloadPendingRequests();
+ // Called when we complete server request and read all data from it.
+ void ReadComplete();
+ // Creates request to download size byte of data data starting from position.
+ pp::URLRequestInfo GetRequest(uint32 position, uint32 size) const;
+ // Returns current request size in bytes.
+ uint32 GetRequestSize() const;
+
+ Client* client_;
+ std::string url_;
+ pp::URLLoader loader_;
+ pp::CompletionCallbackFactory<DocumentLoader> loader_factory_;
+ ChunkStream chunk_stream_;
+ bool partial_document_;
+ bool request_pending_;
+ typedef std::list<std::pair<size_t, size_t> > PendingRequests;
+ PendingRequests pending_requests_;
+ char buffer_[kDefaultRequestSize];
+ uint32 current_pos_;
+ uint32 current_chunk_size_;
+ uint32 current_chunk_read_;
+ uint32 document_size_;
+ bool header_request_;
+ bool is_multipart_;
+ std::string multipart_boundary_;
+ uint32 requests_count_;
+ std::list<std::vector<unsigned char> > chunk_buffer_;
+};
+
+} // namespace chrome_pdf
+
+#endif // PDF_DOCUMENT_LOADER_H_
diff --git a/xfa_test/pdf/draw_utils.cc b/xfa_test/pdf/draw_utils.cc
new file mode 100644
index 0000000000..d38be52aef
--- /dev/null
+++ b/xfa_test/pdf/draw_utils.cc
@@ -0,0 +1,343 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "pdf/draw_utils.h"
+
+#include <algorithm>
+#include <math.h>
+#include <vector>
+
+#include "base/logging.h"
+#include "base/numerics/safe_math.h"
+
+namespace chrome_pdf {
+
+inline uint8 GetBlue(const uint32& pixel) {
+ return static_cast<uint8>(pixel & 0xFF);
+}
+
+inline uint8 GetGreen(const uint32& pixel) {
+ return static_cast<uint8>((pixel >> 8) & 0xFF);
+}
+
+inline uint8 GetRed(const uint32& pixel) {
+ return static_cast<uint8>((pixel >> 16) & 0xFF);
+}
+
+inline uint8 GetAlpha(const uint32& pixel) {
+ return static_cast<uint8>((pixel >> 24) & 0xFF);
+}
+
+inline uint32_t MakePixel(uint8 red, uint8 green, uint8 blue, uint8 alpha) {
+ return (static_cast<uint32_t>(alpha) << 24) |
+ (static_cast<uint32_t>(red) << 16) |
+ (static_cast<uint32_t>(green) << 8) |
+ static_cast<uint32_t>(blue);
+}
+
+inline uint8 GradientChannel(uint8 start, uint8 end, double ratio) {
+ double new_channel = start - (static_cast<double>(start) - end) * ratio;
+ if (new_channel < 0)
+ return 0;
+ if (new_channel > 255)
+ return 255;
+ return static_cast<uint8>(new_channel + 0.5);
+}
+
+inline uint8 ProcessColor(uint8 src_color, uint8 dest_color, uint8 alpha) {
+ uint32 processed = static_cast<uint32>(src_color) * alpha +
+ static_cast<uint32>(dest_color) * (0xFF - alpha);
+ return static_cast<uint8>((processed / 0xFF) & 0xFF);
+}
+
+inline bool ImageDataContainsRect(const pp::ImageData& image_data,
+ const pp::Rect& rect) {
+ return rect.width() >= 0 && rect.height() >= 0 &&
+ pp::Rect(image_data.size()).Contains(rect);
+}
+
+void AlphaBlend(const pp::ImageData& src, const pp::Rect& src_rc,
+ pp::ImageData* dest, const pp::Point& dest_origin,
+ uint8 alpha_adjustment) {
+ if (src_rc.IsEmpty() || !ImageDataContainsRect(src, src_rc))
+ return;
+
+ pp::Rect dest_rc(dest_origin, src_rc.size());
+ if (dest_rc.IsEmpty() || !ImageDataContainsRect(*dest, dest_rc))
+ return;
+
+ const uint32_t* src_origin_pixel = src.GetAddr32(src_rc.point());
+ uint32_t* dest_origin_pixel = dest->GetAddr32(dest_origin);
+
+ int height = src_rc.height();
+ int width = src_rc.width();
+ for (int y = 0; y < height; y++) {
+ const uint32_t* src_pixel = src_origin_pixel;
+ uint32_t* dest_pixel = dest_origin_pixel;
+ for (int x = 0; x < width; x++) {
+ uint8 alpha = static_cast<uint8>(static_cast<uint32_t>(alpha_adjustment) *
+ GetAlpha(*src_pixel) / 0xFF);
+ uint8 red = ProcessColor(GetRed(*src_pixel), GetRed(*dest_pixel), alpha);
+ uint8 green = ProcessColor(GetGreen(*src_pixel),
+ GetGreen(*dest_pixel), alpha);
+ uint8 blue = ProcessColor(GetBlue(*src_pixel),
+ GetBlue(*dest_pixel), alpha);
+ *dest_pixel = MakePixel(red, green, blue, GetAlpha(*dest_pixel));
+
+ src_pixel++;
+ dest_pixel++;
+ }
+ src_origin_pixel = reinterpret_cast<const uint32_t*>(
+ reinterpret_cast<const char*>(src_origin_pixel) + src.stride());
+ dest_origin_pixel = reinterpret_cast<uint32_t*>(
+ reinterpret_cast<char*>(dest_origin_pixel) + dest->stride());
+ }
+}
+
+void GradientFill(pp::ImageData* image, const pp::Rect& rc,
+ uint32 start_color, uint32 end_color, bool horizontal) {
+ std::vector<uint32> colors;
+ colors.resize(horizontal ? rc.width() : rc.height());
+ for (size_t i = 0; i < colors.size(); ++i) {
+ double ratio = static_cast<double>(i) / colors.size();
+ colors[i] = MakePixel(
+ GradientChannel(GetRed(start_color), GetRed(end_color), ratio),
+ GradientChannel(GetGreen(start_color), GetGreen(end_color), ratio),
+ GradientChannel(GetBlue(start_color), GetBlue(end_color), ratio),
+ GradientChannel(GetAlpha(start_color), GetAlpha(end_color), ratio));
+ }
+
+ if (horizontal) {
+ const void* data = &(colors[0]);
+ size_t size = colors.size() * 4;
+ uint32_t* origin_pixel = image->GetAddr32(rc.point());
+ for (int y = 0; y < rc.height(); y++) {
+ memcpy(origin_pixel, data, size);
+ origin_pixel = reinterpret_cast<uint32_t*>(
+ reinterpret_cast<char*>(origin_pixel) + image->stride());
+ }
+ } else {
+ uint32_t* origin_pixel = image->GetAddr32(rc.point());
+ for (int y = 0; y < rc.height(); y++) {
+ uint32_t* pixel = origin_pixel;
+ for (int x = 0; x < rc.width(); x++) {
+ *pixel = colors[y];
+ pixel++;
+ }
+ origin_pixel = reinterpret_cast<uint32_t*>(
+ reinterpret_cast<char*>(origin_pixel) + image->stride());
+ }
+ }
+}
+
+void GradientFill(pp::Instance* instance,
+ pp::ImageData* image,
+ const pp::Rect& dirty_rc,
+ const pp::Rect& gradient_rc,
+ uint32 start_color,
+ uint32 end_color,
+ bool horizontal,
+ uint8 transparency) {
+ pp::Rect draw_rc = gradient_rc.Intersect(dirty_rc);
+ if (draw_rc.IsEmpty())
+ return;
+
+ pp::ImageData gradient(instance, PP_IMAGEDATAFORMAT_BGRA_PREMUL,
+ gradient_rc.size(), false);
+
+ GradientFill(&gradient, pp::Rect(pp::Point(), gradient_rc.size()),
+ start_color, end_color, horizontal);
+
+ pp::Rect copy_rc(draw_rc);
+ copy_rc.Offset(-gradient_rc.x(), -gradient_rc.y());
+ AlphaBlend(gradient, copy_rc, image, draw_rc.point(), transparency);
+}
+
+void CopyImage(const pp::ImageData& src, const pp::Rect& src_rc,
+ pp::ImageData* dest, const pp::Rect& dest_rc,
+ bool stretch) {
+ if (src_rc.IsEmpty() || !ImageDataContainsRect(src, src_rc))
+ return;
+
+ pp::Rect stretched_rc(dest_rc.point(),
+ stretch ? dest_rc.size() : src_rc.size());
+ if (stretched_rc.IsEmpty() || !ImageDataContainsRect(*dest, stretched_rc))
+ return;
+
+ const uint32_t* src_origin_pixel = src.GetAddr32(src_rc.point());
+ uint32_t* dest_origin_pixel = dest->GetAddr32(dest_rc.point());
+ if (stretch) {
+ double x_ratio = static_cast<double>(src_rc.width()) / dest_rc.width();
+ double y_ratio = static_cast<double>(src_rc.height()) / dest_rc.height();
+ int32_t height = dest_rc.height();
+ int32_t width = dest_rc.width();
+ for (int32_t y = 0; y < height; ++y) {
+ uint32_t* dest_pixel = dest_origin_pixel;
+ for (int32_t x = 0; x < width; ++x) {
+ uint32 src_x = static_cast<uint32>(x * x_ratio);
+ uint32 src_y = static_cast<uint32>(y * y_ratio);
+ const uint32_t* src_pixel = src.GetAddr32(
+ pp::Point(src_rc.x() + src_x, src_rc.y() + src_y));
+ *dest_pixel = *src_pixel;
+ dest_pixel++;
+ }
+ dest_origin_pixel = reinterpret_cast<uint32_t*>(
+ reinterpret_cast<char*>(dest_origin_pixel) + dest->stride());
+ }
+ } else {
+ int32_t height = src_rc.height();
+ base::CheckedNumeric<int32_t> width_bytes = src_rc.width();
+ width_bytes *= 4;
+ for (int32_t y = 0; y < height; ++y) {
+ memcpy(dest_origin_pixel, src_origin_pixel, width_bytes.ValueOrDie());
+ src_origin_pixel = reinterpret_cast<const uint32_t*>(
+ reinterpret_cast<const char*>(src_origin_pixel) + src.stride());
+ dest_origin_pixel = reinterpret_cast<uint32_t*>(
+ reinterpret_cast<char*>(dest_origin_pixel) + dest->stride());
+ }
+ }
+}
+
+void FillRect(pp::ImageData* image, const pp::Rect& rc, uint32 color) {
+ int height = rc.height();
+ if (height == 0)
+ return;
+
+ // Fill in first row.
+ uint32_t* top_line = image->GetAddr32(rc.point());
+ int width = rc.width();
+ for (int x = 0; x < width; x++)
+ top_line[x] = color;
+
+ // Fill in the rest of the rectangle.
+ int byte_width = width * 4;
+ uint32_t* cur_line = reinterpret_cast<uint32_t*>(
+ reinterpret_cast<char*>(top_line) + image->stride());
+ for (int y = 1; y < height; y++) {
+ memcpy(cur_line, top_line, byte_width);
+ cur_line = reinterpret_cast<uint32_t*>(
+ reinterpret_cast<char*>(cur_line) + image->stride());
+ }
+}
+
+ShadowMatrix::ShadowMatrix(uint32 depth, double factor, uint32 background)
+ : depth_(depth), factor_(factor), background_(background) {
+ DCHECK(depth_ > 0);
+ matrix_.resize(depth_ * depth_);
+
+ // pv - is a rounding power factor for smoothing corners.
+ // pv = 2.0 will make corners completely round.
+ const double pv = 4.0;
+ // pow_pv - cache to avoid recalculating pow(x, pv) every time.
+ std::vector<double> pow_pv(depth_, 0.0);
+
+ double r = static_cast<double>(depth_);
+ double coef = 256.0 / pow(r, factor);
+
+ for (uint32 y = 0; y < depth_; y++) {
+ // Since matrix is symmetrical, we can reduce the number of calculations
+ // by mirroring results.
+ for (uint32 x = 0; x <= y; x++) {
+ // Fill cache if needed.
+ if (pow_pv[x] == 0.0)
+ pow_pv[x] = pow(x, pv);
+ if (pow_pv[y] == 0.0)
+ pow_pv[y] = pow(y, pv);
+
+ // v - is a value for the smoothing function.
+ // If x == 0 simplify calculations.
+ double v = (x == 0) ? y : pow(pow_pv[x] + pow_pv[y], 1 / pv);
+
+ // Smoothing function.
+ // If factor == 1, smoothing will be linear from 0 to the end,
+ // if 0 < factor < 1, smoothing will drop faster near 0.
+ // if factor > 1, smoothing will drop faster near the end (depth).
+ double f = 256.0 - coef * pow(v, factor);
+
+ uint8 alpha = 0;
+ if (f > kOpaqueAlpha)
+ alpha = kOpaqueAlpha;
+ else if (f < kTransparentAlpha)
+ alpha = kTransparentAlpha;
+ else
+ alpha = static_cast<uint8>(f);
+
+ uint8 red = ProcessColor(0, GetRed(background), alpha);
+ uint8 green = ProcessColor(0, GetGreen(background), alpha);
+ uint8 blue = ProcessColor(0, GetBlue(background), alpha);
+ uint32 pixel = MakePixel(red, green, blue, GetAlpha(background));
+
+ // Mirror matrix.
+ matrix_[y * depth_ + x] = pixel;
+ matrix_[x * depth_ + y] = pixel;
+ }
+ }
+}
+
+ShadowMatrix::~ShadowMatrix() {
+}
+
+void PaintShadow(pp::ImageData* image,
+ const pp::Rect& clip_rc,
+ const pp::Rect& shadow_rc,
+ const ShadowMatrix& matrix) {
+ pp::Rect draw_rc = shadow_rc.Intersect(clip_rc);
+ if (draw_rc.IsEmpty())
+ return;
+
+ int32 depth = static_cast<int32>(matrix.depth());
+ for (int32_t y = draw_rc.y(); y < draw_rc.bottom(); y++) {
+ for (int32_t x = draw_rc.x(); x < draw_rc.right(); x++) {
+ int32_t matrix_x = std::max(depth + shadow_rc.x() - x - 1,
+ depth - shadow_rc.right() + x);
+ int32_t matrix_y = std::max(depth + shadow_rc.y() - y - 1,
+ depth - shadow_rc.bottom() + y);
+ uint32_t* pixel = image->GetAddr32(pp::Point(x, y));
+
+ if (matrix_x < 0)
+ matrix_x = 0;
+ else if (matrix_x >= static_cast<int32>(depth))
+ matrix_x = depth - 1;
+
+ if (matrix_y < 0)
+ matrix_y = 0;
+ else if (matrix_y >= static_cast<int32>(depth))
+ matrix_y = depth - 1;
+
+ *pixel = matrix.GetValue(matrix_x, matrix_y);
+ }
+ }
+}
+
+void DrawShadow(pp::ImageData* image,
+ const pp::Rect& shadow_rc,
+ const pp::Rect& object_rc,
+ const pp::Rect& clip_rc,
+ const ShadowMatrix& matrix) {
+ if (shadow_rc == object_rc)
+ return; // Nothing to paint.
+
+ // Fill top part.
+ pp::Rect rc(shadow_rc.point(),
+ pp::Size(shadow_rc.width(), object_rc.y() - shadow_rc.y()));
+ PaintShadow(image, rc.Intersect(clip_rc), shadow_rc, matrix);
+
+ // Fill bottom part.
+ rc = pp::Rect(shadow_rc.x(), object_rc.bottom(),
+ shadow_rc.width(), shadow_rc.bottom() - object_rc.bottom());
+ PaintShadow(image, rc.Intersect(clip_rc), shadow_rc, matrix);
+
+ // Fill left part.
+ rc = pp::Rect(shadow_rc.x(), object_rc.y(),
+ object_rc.x() - shadow_rc.x(), object_rc.height());
+ PaintShadow(image, rc.Intersect(clip_rc), shadow_rc, matrix);
+
+ // Fill right part.
+ rc = pp::Rect(object_rc.right(), object_rc.y(),
+ shadow_rc.right() - object_rc.right(), object_rc.height());
+ PaintShadow(image, rc.Intersect(clip_rc), shadow_rc, matrix);
+}
+
+} // namespace chrome_pdf
+
diff --git a/xfa_test/pdf/draw_utils.h b/xfa_test/pdf/draw_utils.h
new file mode 100644
index 0000000000..eedf24f27d
--- /dev/null
+++ b/xfa_test/pdf/draw_utils.h
@@ -0,0 +1,94 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PDF_DRAW_UTILS_H_
+#define PDF_DRAW_UTILS_H_
+
+#include <vector>
+
+#include "base/basictypes.h"
+#include "ppapi/cpp/image_data.h"
+#include "ppapi/cpp/rect.h"
+
+namespace chrome_pdf {
+
+const uint8 kOpaqueAlpha = 0xFF;
+const uint8 kTransparentAlpha = 0x00;
+
+void AlphaBlend(const pp::ImageData& src, const pp::Rect& src_rc,
+ pp::ImageData* dest, const pp::Point& dest_origin,
+ uint8 alpha_adjustment);
+
+// Fill rectangle with gradient horizontally or vertically. Start is a color of
+// top-left point of the rectangle, end color is a color of
+// top-right (horizontal==true) or bottom-left (horizontal==false) point.
+void GradientFill(pp::ImageData* image,
+ const pp::Rect& rc,
+ uint32 start_color,
+ uint32 end_color,
+ bool horizontal);
+
+// Fill dirty rectangle with gradient, where gradient color set for corners of
+// gradient rectangle. Parts of the dirty rect outside of gradient rect will
+// be unchanged.
+void GradientFill(pp::Instance* instance,
+ pp::ImageData* image,
+ const pp::Rect& dirty_rc,
+ const pp::Rect& gradient_rc,
+ uint32 start_color,
+ uint32 end_color,
+ bool horizontal,
+ uint8 transparency);
+
+// Copy one image into another. If stretch is true, the result occupy the entire
+// dest_rc. If stretch is false, dest_rc.point will be used as an origin of the
+// result image. Copy will ignore all pixels with transparent alpha from the
+// source image.
+void CopyImage(const pp::ImageData& src, const pp::Rect& src_rc,
+ pp::ImageData* dest, const pp::Rect& dest_rc,
+ bool stretch);
+
+// Fill in rectangle with specified color.
+void FillRect(pp::ImageData* image, const pp::Rect& rc, uint32 color);
+
+// Shadow Matrix contains matrix for shadow rendering. To reduce amount of
+// calculations user may choose to cache matrix and reuse it if nothing changed.
+class ShadowMatrix {
+ public:
+ // Matrix parameters.
+ // depth - how big matrix should be. Shadow will go smoothly across the
+ // entire matrix from black to background color.
+ // If factor == 1, smoothing will be linear from 0 to the end (depth),
+ // if 0 < factor < 1, smoothing will drop faster near 0.
+ // if factor > 1, smoothing will drop faster near the end (depth).
+ ShadowMatrix(uint32 depth, double factor, uint32 background);
+
+ ~ShadowMatrix();
+
+ uint32 GetValue(int32 x, int32 y) const { return matrix_[y * depth_ + x]; }
+
+ uint32 depth() const { return depth_; }
+ double factor() const { return factor_; }
+ uint32 background() const { return background_; }
+
+ private:
+ uint32 depth_;
+ double factor_;
+ uint32 background_;
+ std::vector<uint32> matrix_;
+};
+
+// Draw shadow on the image using provided ShadowMatrix.
+// shadow_rc - rectangle occupied by shadow
+// object_rc - rectangle that drops the shadow
+// clip_rc - clipping region
+void DrawShadow(pp::ImageData* image,
+ const pp::Rect& shadow_rc,
+ const pp::Rect& object_rc,
+ const pp::Rect& clip_rc,
+ const ShadowMatrix& matrix);
+
+} // namespace chrome_pdf
+
+#endif // PDF_DRAW_UTILS_H_
diff --git a/xfa_test/pdf/fading_control.cc b/xfa_test/pdf/fading_control.cc
new file mode 100644
index 0000000000..7e4d8ef63e
--- /dev/null
+++ b/xfa_test/pdf/fading_control.cc
@@ -0,0 +1,75 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "pdf/fading_control.h"
+
+#include <math.h>
+
+#include "base/logging.h"
+#include "pdf/draw_utils.h"
+#include "pdf/resource_consts.h"
+
+namespace chrome_pdf {
+
+FadingControl::FadingControl()
+ : alpha_shift_(0), timer_id_(0) {
+}
+
+FadingControl::~FadingControl() {
+}
+
+void FadingControl::OnTimerFired(uint32 timer_id) {
+ if (timer_id == timer_id_) {
+ int32 new_alpha = transparency() + alpha_shift_;
+ if (new_alpha <= kTransparentAlpha) {
+ Show(false, true);
+ OnFadeOutComplete();
+ return;
+ }
+ if (new_alpha >= kOpaqueAlpha) {
+ AdjustTransparency(kOpaqueAlpha, true);
+ OnFadeInComplete();
+ return;
+ }
+
+ AdjustTransparency(static_cast<uint8>(new_alpha), true);
+ timer_id_ = owner()->ScheduleTimer(id(), kFadingTimeoutMs);
+ }
+}
+
+// Fade In/Out control depending on visible flag over the time of time_ms.
+void FadingControl::Fade(bool show, uint32 time_ms) {
+ DCHECK(time_ms != 0);
+ // Check if we already in the same state.
+ if (!visible() && !show)
+ return;
+ if (!visible() && show) {
+ Show(show, false);
+ AdjustTransparency(kTransparentAlpha, false);
+ OnFadeOutComplete();
+ }
+ if (transparency() == kOpaqueAlpha && show) {
+ OnFadeInComplete();
+ return;
+ }
+
+ int delta = show ? kOpaqueAlpha - transparency() : transparency();
+ double shift =
+ static_cast<double>(delta) * kFadingTimeoutMs / time_ms;
+ if (shift > delta)
+ alpha_shift_ = delta;
+ else
+ alpha_shift_ = static_cast<int>(ceil(shift));
+
+ if (alpha_shift_ == 0)
+ alpha_shift_ = 1;
+
+ // If disabling, make alpha shift negative.
+ if (!show)
+ alpha_shift_ = -alpha_shift_;
+
+ timer_id_ = owner()->ScheduleTimer(id(), kFadingTimeoutMs);
+}
+
+} // namespace chrome_pdf
diff --git a/xfa_test/pdf/fading_control.h b/xfa_test/pdf/fading_control.h
new file mode 100644
index 0000000000..03ac134698
--- /dev/null
+++ b/xfa_test/pdf/fading_control.h
@@ -0,0 +1,32 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PDF_FADING_CONTROL_H_
+#define PDF_FADING_CONTROL_H_
+
+#include "pdf/control.h"
+
+namespace chrome_pdf {
+
+class FadingControl : public Control {
+ public:
+ FadingControl();
+ virtual ~FadingControl();
+
+ virtual void OnTimerFired(uint32 timer_id);
+
+ // Fade In/Out control depending on visible flag over the time of time_ms.
+ virtual void Fade(bool visible, uint32 time_ms);
+
+ virtual void OnFadeInComplete() {}
+ virtual void OnFadeOutComplete() {}
+
+ private:
+ int alpha_shift_;
+ uint32 timer_id_;
+};
+
+} // namespace chrome_pdf
+
+#endif // PDF_FADING_CONTROL_H_
diff --git a/xfa_test/pdf/fading_controls.cc b/xfa_test/pdf/fading_controls.cc
new file mode 100644
index 0000000000..8a9fd89510
--- /dev/null
+++ b/xfa_test/pdf/fading_controls.cc
@@ -0,0 +1,316 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "pdf/fading_controls.h"
+
+#include "base/logging.h"
+#include "base/stl_util.h"
+#include "pdf/draw_utils.h"
+#include "pdf/resource_consts.h"
+#include "ppapi/cpp/input_event.h"
+
+namespace chrome_pdf {
+
+const uint32 kFadingAlphaShift = 64;
+const uint32 kSplashFadingAlphaShift = 16;
+
+FadingControls::FadingControls()
+ : state_(NONE), current_transparency_(kOpaqueAlpha), fading_timer_id_(0),
+ current_capture_control_(kInvalidControlId),
+ fading_timeout_(kFadingTimeoutMs), alpha_shift_(kFadingAlphaShift),
+ splash_(false), splash_timeout_(0) {
+}
+
+FadingControls::~FadingControls() {
+ STLDeleteElements(&controls_);
+}
+
+bool FadingControls::CreateFadingControls(
+ uint32 id, const pp::Rect& rc, bool visible,
+ Control::Owner* owner, uint8 transparency) {
+ current_transparency_ = transparency;
+ return Control::Create(id, rc, visible, owner);
+}
+
+void FadingControls::Paint(pp::ImageData* image_data, const pp::Rect& rc) {
+ // When this control is set to invisible the individual controls are not.
+ // So we need to check for visible() here.
+ if (!visible())
+ return;
+
+ std::list<Control*>::iterator iter;
+ for (iter = controls_.begin(); iter != controls_.end(); ++iter) {
+ (*iter)->Paint(image_data, rc);
+ }
+}
+
+bool FadingControls::HandleEvent(const pp::InputEvent& event) {
+ if (!visible())
+ return false;
+
+ pp::MouseInputEvent mouse_event(event);
+ if (mouse_event.is_null())
+ return NotifyControls(event);
+
+ pp::Point pt = mouse_event.GetPosition();
+
+ bool is_mouse_click =
+ mouse_event.GetType() == PP_INPUTEVENT_TYPE_MOUSEDOWN ||
+ mouse_event.GetType() == PP_INPUTEVENT_TYPE_MOUSEUP;
+
+ if (rect().Contains(pt)) {
+ CancelSplashMode();
+ FadeIn();
+
+ // Eat mouse click if are invisible or just fading in.
+ // That prevents accidental clicks on the controls for touch devices.
+ bool eat_mouse_click =
+ (state_ == FADING_IN || current_transparency_ == kTransparentAlpha);
+ if (eat_mouse_click && is_mouse_click &&
+ mouse_event.GetButton() == PP_INPUTEVENT_MOUSEBUTTON_LEFT)
+ return true; // Eat this event here.
+ }
+
+ if ((!rect().Contains(pt)) ||
+ event.GetType() == PP_INPUTEVENT_TYPE_MOUSELEAVE) {
+ if (!splash_)
+ FadeOut();
+ pp::MouseInputEvent event_leave(pp::MouseInputEvent(
+ owner()->GetInstance(),
+ PP_INPUTEVENT_TYPE_MOUSELEAVE,
+ event.GetTimeStamp(),
+ event.GetModifiers(),
+ mouse_event.GetButton(),
+ mouse_event.GetPosition(),
+ mouse_event.GetClickCount(),
+ mouse_event.GetMovement()));
+ return NotifyControls(event_leave);
+ }
+
+ return NotifyControls(event);
+}
+
+void FadingControls::OnTimerFired(uint32 timer_id) {
+ if (timer_id == fading_timer_id_) {
+ int32 current_alpha = static_cast<int32>(current_transparency_);
+ if (state_ == FADING_IN)
+ current_alpha += alpha_shift_;
+ else if (state_ == FADING_OUT)
+ current_alpha -= alpha_shift_;
+
+ if (current_alpha >= kOpaqueAlpha) {
+ state_ = NONE;
+ current_alpha = kOpaqueAlpha;
+ } else if (current_alpha <= kTransparentAlpha) {
+ state_ = NONE;
+ current_alpha = kTransparentAlpha;
+ }
+ current_transparency_ = static_cast<uint8>(current_alpha);
+
+ // Invalidate controls with new alpha transparency.
+ std::list<Control*>::iterator iter;
+ for (iter = controls_.begin(); iter != controls_.end(); ++iter) {
+ // We are going to invalidate the whole FadingControls area, to
+ // allow simultaneous drawing.
+ (*iter)->AdjustTransparency(current_transparency_, false);
+ }
+ owner()->Invalidate(id(), GetControlsRect());
+
+ if (state_ != NONE) // Fading still in progress.
+ fading_timer_id_ = owner()->ScheduleTimer(id(), fading_timeout_);
+ else
+ OnFadingComplete();
+ } else {
+ // Dispatch timer to controls.
+ std::list<Control*>::iterator iter;
+ for (iter = controls_.begin(); iter != controls_.end(); ++iter) {
+ (*iter)->OnTimerFired(timer_id);
+ }
+ }
+}
+
+void FadingControls::EventCaptureReleased() {
+ if (current_capture_control_ != kInvalidControlId) {
+ // Remove previous catpure.
+ Control* ctrl = GetControl(current_capture_control_);
+ if (ctrl)
+ ctrl->EventCaptureReleased();
+ }
+}
+
+void FadingControls::MoveBy(const pp::Point& offset, bool invalidate) {
+ std::list<Control*>::iterator iter;
+ for (iter = controls_.begin(); iter != controls_.end(); ++iter) {
+ // We invalidate entire FadingControl later if needed.
+ (*iter)->MoveBy(offset, false);
+ }
+ Control::MoveBy(offset, invalidate);
+}
+
+void FadingControls::OnEvent(uint32 control_id, uint32 event_id, void* data) {
+ owner()->OnEvent(control_id, event_id, data);
+}
+
+void FadingControls::Invalidate(uint32 control_id, const pp::Rect& rc) {
+ owner()->Invalidate(control_id, rc);
+}
+
+uint32 FadingControls::ScheduleTimer(uint32 control_id, uint32 timeout_ms) {
+ // TODO(gene): implement timer routine properly.
+ NOTIMPLEMENTED();
+ //owner()->ScheduleTimer(control_id);
+ return 0;
+}
+
+void FadingControls::SetEventCapture(uint32 control_id, bool set_capture) {
+ if (control_id == current_capture_control_) {
+ if (!set_capture) // Remove event capture.
+ current_capture_control_ = kInvalidControlId;
+ } else {
+ EventCaptureReleased();
+ current_capture_control_ = control_id;
+ }
+}
+
+void FadingControls::SetCursor(uint32 control_id,
+ PP_CursorType_Dev cursor_type) {
+ owner()->SetCursor(control_id, cursor_type);
+}
+
+pp::Instance* FadingControls::GetInstance() {
+ return owner()->GetInstance();
+}
+
+bool FadingControls::AddControl(Control* control) {
+ DCHECK(control);
+ if (control->owner() != this)
+ return false;
+ if (!rect().Contains(control->rect()))
+ return false;
+
+ control->AdjustTransparency(current_transparency_, false);
+ controls_.push_back(control);
+ return true;
+}
+
+void FadingControls::RemoveControl(uint32 control_id) {
+ if (current_capture_control_ == control_id) {
+ current_capture_control_ = kInvalidControlId;
+ }
+ std::list<Control*>::iterator iter;
+ for (iter = controls_.begin(); iter != controls_.end(); ++iter) {
+ if ((*iter)->id() == control_id) {
+ delete (*iter);
+ controls_.erase(iter);
+ break;
+ }
+ }
+}
+
+Control* FadingControls::GetControl(uint32 id) {
+ std::list<Control*>::iterator iter;
+ for (iter = controls_.begin(); iter != controls_.end(); ++iter) {
+ if ((*iter)->id() == id)
+ return *iter;
+ }
+ return NULL;
+}
+
+pp::Rect FadingControls::GetControlsRect() {
+ pp::Rect rc;
+ std::list<Control*>::iterator iter;
+ for (iter = controls_.begin(); iter != controls_.end(); ++iter) {
+ rc = rc.Union((*iter)->rect());
+ }
+ return rc;
+}
+
+bool FadingControls::ExpandLeft(int offset) {
+ pp::Rect rc = rect();
+ rc.set_width(rc.width() + offset);
+ rc.set_x(rc.x() - offset);
+ if (!rc.Contains(GetControlsRect()))
+ return false;
+ // No need to invalidate since we are expanding triggering area only.
+ SetRect(rc, false);
+ return true;
+}
+
+void FadingControls::Splash(uint32 time_ms) {
+ splash_ = true;
+ splash_timeout_ = time_ms;
+ alpha_shift_ = kSplashFadingAlphaShift;
+ FadeIn();
+}
+
+bool FadingControls::NotifyControls(const pp::InputEvent& event) {
+ // First pass event to a control that current capture is set to.
+ Control* ctrl = GetControl(current_capture_control_);
+ if (ctrl) {
+ if (ctrl->HandleEvent(event))
+ return true;
+ }
+
+ std::list<Control*>::iterator iter;
+ for (iter = controls_.begin(); iter != controls_.end(); ++iter) {
+ // Now pass event to all control except control with capture,
+ // since we already passed to it above.
+ if ((*iter) != ctrl && (*iter)->HandleEvent(event))
+ return true;
+ }
+ return false;
+}
+
+void FadingControls::FadeIn() {
+ bool already_visible =
+ (state_ == NONE && current_transparency_ == kOpaqueAlpha);
+ if (state_ != FADING_IN && !already_visible) {
+ state_ = FADING_IN;
+ fading_timer_id_ = owner()->ScheduleTimer(id(), fading_timeout_);
+ }
+ if (already_visible)
+ OnFadingComplete();
+}
+
+void FadingControls::FadeOut() {
+ bool already_invisible =
+ (state_ == NONE && current_transparency_ == kTransparentAlpha);
+ if (state_ != FADING_OUT && !already_invisible) {
+ state_ = FADING_OUT;
+ fading_timer_id_ = owner()->ScheduleTimer(id(), fading_timeout_);
+ }
+ if (already_invisible)
+ OnFadingComplete();
+}
+
+void FadingControls::OnFadingComplete() {
+ DCHECK(current_transparency_ == kOpaqueAlpha ||
+ current_transparency_ == kTransparentAlpha);
+ // In the splash mode following states are possible:
+ // Fade-in complete: splash_==true, splash_timeout_ != 0
+ // We need to schedule timer for splash_timeout_.
+ // Splash timeout complete: splash_==true, splash_timeout_ == 0
+ // We need to fade out still using splash settings.
+ // Fade-out complete: current_transparency_ == kTransparentAlpha
+ // We need to cancel splash mode and go back to normal settings.
+ if (splash_) {
+ if (current_transparency_ == kOpaqueAlpha) {
+ if (splash_timeout_) {
+ fading_timer_id_ = owner()->ScheduleTimer(id(), splash_timeout_);
+ splash_timeout_ = 0;
+ } else {
+ FadeOut();
+ }
+ } else {
+ CancelSplashMode();
+ }
+ }
+}
+
+void FadingControls::CancelSplashMode() {
+ splash_ = false;
+ alpha_shift_ = kFadingAlphaShift;
+}
+
+} // namespace chrome_pdf
diff --git a/xfa_test/pdf/fading_controls.h b/xfa_test/pdf/fading_controls.h
new file mode 100644
index 0000000000..532464b473
--- /dev/null
+++ b/xfa_test/pdf/fading_controls.h
@@ -0,0 +1,84 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PDF_FADING_CONTROLS_H_
+#define PDF_FADING_CONTROLS_H_
+
+#include <list>
+
+#include "pdf/control.h"
+
+namespace chrome_pdf {
+
+class FadingControls : public Control,
+ public ControlOwner {
+ public:
+ enum FadingState {
+ NONE,
+ FADING_IN,
+ FADING_OUT
+ };
+
+ FadingControls();
+ virtual ~FadingControls();
+ virtual bool CreateFadingControls(
+ uint32 id, const pp::Rect& rc, bool visible,
+ Control::Owner* delegate, uint8 transparency);
+
+ // Control interface.
+ virtual void Paint(pp::ImageData* image_data, const pp::Rect& rc);
+ virtual bool HandleEvent(const pp::InputEvent& event);
+ virtual void OnTimerFired(uint32 timer_id);
+ virtual void EventCaptureReleased();
+ virtual void MoveBy(const pp::Point& offset, bool invalidate);
+
+ // ControlOwner interface.
+ virtual void OnEvent(uint32 control_id, uint32 event_id, void* data);
+ virtual void Invalidate(uint32 control_id, const pp::Rect& rc);
+ virtual uint32 ScheduleTimer(uint32 control_id, uint32 timeout_ms);
+ virtual void SetEventCapture(uint32 control_id, bool set_capture);
+ virtual void SetCursor(uint32 control_id, PP_CursorType_Dev cursor_type);
+ virtual pp::Instance* GetInstance();
+
+ // FadingControls interface
+ // This function takes ownership of the control, and will destoy it
+ // when control is destroyed.
+ // Input control MUST be located inside FadingControls boundaries, and has
+ // this instance of FadingControls as a delegate.
+ virtual bool AddControl(Control* control);
+ virtual void RemoveControl(uint32 control_id);
+ virtual Control* GetControl(uint32 id);
+ virtual pp::Rect GetControlsRect();
+
+ // Expand/Shrink area which triggers inner control appearance to the left.
+ virtual bool ExpandLeft(int offset);
+
+ // Fade-in, then show controls for time_ms, and then fade-out. Any mouse
+ // event in this control area will interrupt splash mode.
+ virtual void Splash(uint32 time_ms);
+
+ uint8 current_transparency() const { return current_transparency_; }
+
+ private:
+ bool NotifyControls(const pp::InputEvent& event);
+ void FadeIn();
+ void FadeOut();
+ void OnFadingComplete();
+ void CancelSplashMode();
+
+ std::list<Control*> controls_;
+ FadingState state_;
+ uint8 current_transparency_;
+ uint32 fading_timer_id_;
+ uint32 current_capture_control_;
+ uint32 fading_timeout_;
+ uint32 alpha_shift_;
+ bool splash_;
+ uint32 splash_timeout_;
+};
+
+} // namespace chrome_pdf
+
+#endif // PDF_FADING_CONTROLS_H_
+
diff --git a/xfa_test/pdf/instance.cc b/xfa_test/pdf/instance.cc
new file mode 100644
index 0000000000..4bd2f787df
--- /dev/null
+++ b/xfa_test/pdf/instance.cc
@@ -0,0 +1,2778 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "pdf/instance.h"
+
+#include <algorithm> // for min()
+#define _USE_MATH_DEFINES // for M_PI
+#include <cmath> // for log() and pow()
+#include <math.h>
+#include <list>
+
+#include "base/json/json_reader.h"
+#include "base/json/json_writer.h"
+#include "base/logging.h"
+#include "base/strings/string_number_conversions.h"
+#include "base/strings/string_split.h"
+#include "base/strings/string_util.h"
+#include "base/values.h"
+#include "chrome/browser/chrome_page_zoom_constants.h"
+#include "chrome/common/content_restriction.h"
+#include "content/public/common/page_zoom.h"
+#include "net/base/escape.h"
+#include "pdf/draw_utils.h"
+#include "pdf/number_image_generator.h"
+#include "pdf/pdf.h"
+#include "pdf/resource_consts.h"
+#include "ppapi/c/dev/ppb_cursor_control_dev.h"
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/c/pp_rect.h"
+#include "ppapi/c/private/ppp_pdf.h"
+#include "ppapi/c/trusted/ppb_url_loader_trusted.h"
+#include "ppapi/cpp/core.h"
+#include "ppapi/cpp/dev/font_dev.h"
+#include "ppapi/cpp/dev/memory_dev.h"
+#include "ppapi/cpp/dev/text_input_dev.h"
+#include "ppapi/cpp/module.h"
+#include "ppapi/cpp/point.h"
+#include "ppapi/cpp/private/pdf.h"
+#include "ppapi/cpp/rect.h"
+#include "ppapi/cpp/resource.h"
+#include "ppapi/cpp/url_request_info.h"
+#include "ui/events/keycodes/keyboard_codes.h"
+
+#if defined(OS_MACOSX)
+#include "base/mac/mac_util.h"
+#endif
+
+namespace chrome_pdf {
+
+struct ToolbarButtonInfo {
+ uint32 id;
+ Button::ButtonStyle style;
+ PP_ResourceImage normal;
+ PP_ResourceImage highlighted;
+ PP_ResourceImage pressed;
+};
+
+namespace {
+
+// Uncomment following #define to enable thumbnails.
+// #define ENABLE_THUMBNAILS
+
+const uint32 kToolbarSplashTimeoutMs = 6000;
+const uint32 kMessageTextColor = 0xFF575757;
+const uint32 kMessageTextSize = 22;
+const uint32 kProgressFadeTimeoutMs = 250;
+const uint32 kProgressDelayTimeoutMs = 1000;
+const uint32 kAutoScrollTimeoutMs = 50;
+const double kAutoScrollFactor = 0.2;
+
+// Javascript methods.
+const char kJSAccessibility[] = "accessibility";
+const char kJSDocumentLoadComplete[] = "documentLoadComplete";
+const char kJSGetHeight[] = "getHeight";
+const char kJSGetHorizontalScrollbarThickness[] =
+ "getHorizontalScrollbarThickness";
+const char kJSGetPageLocationNormalized[] = "getPageLocationNormalized";
+const char kJSGetSelectedText[] = "getSelectedText";
+const char kJSGetVerticalScrollbarThickness[] = "getVerticalScrollbarThickness";
+const char kJSGetWidth[] = "getWidth";
+const char kJSGetZoomLevel[] = "getZoomLevel";
+const char kJSGoToPage[] = "goToPage";
+const char kJSGrayscale[] = "grayscale";
+const char kJSLoadPreviewPage[] = "loadPreviewPage";
+const char kJSOnLoad[] = "onload";
+const char kJSOnPluginSizeChanged[] = "onPluginSizeChanged";
+const char kJSOnScroll[] = "onScroll";
+const char kJSPageXOffset[] = "pageXOffset";
+const char kJSPageYOffset[] = "pageYOffset";
+const char kJSPrintPreviewPageCount[] = "printPreviewPageCount";
+const char kJSReload[] = "reload";
+const char kJSRemovePrintButton[] = "removePrintButton";
+const char kJSResetPrintPreviewUrl[] = "resetPrintPreviewUrl";
+const char kJSSendKeyEvent[] = "sendKeyEvent";
+const char kJSSetPageNumbers[] = "setPageNumbers";
+const char kJSSetPageXOffset[] = "setPageXOffset";
+const char kJSSetPageYOffset[] = "setPageYOffset";
+const char kJSSetZoomLevel[] = "setZoomLevel";
+const char kJSZoomFitToHeight[] = "fitToHeight";
+const char kJSZoomFitToWidth[] = "fitToWidth";
+const char kJSZoomIn[] = "zoomIn";
+const char kJSZoomOut[] = "zoomOut";
+
+// URL reference parameters.
+// For more possible parameters, see RFC 3778 and the "PDF Open Parameters"
+// document from Adobe.
+const char kDelimiters[] = "#&";
+const char kNamedDest[] = "nameddest";
+const char kPage[] = "page";
+
+const char kChromePrint[] = "chrome://print/";
+
+// Dictionary Value key names for the document accessibility info
+const char kAccessibleNumberOfPages[] = "numberOfPages";
+const char kAccessibleLoaded[] = "loaded";
+const char kAccessibleCopyable[] = "copyable";
+
+const ToolbarButtonInfo kPDFToolbarButtons[] = {
+ { kFitToPageButtonId, Button::BUTTON_STATE,
+ PP_RESOURCEIMAGE_PDF_BUTTON_FTP,
+ PP_RESOURCEIMAGE_PDF_BUTTON_FTP_HOVER,
+ PP_RESOURCEIMAGE_PDF_BUTTON_FTP_PRESSED },
+ { kFitToWidthButtonId, Button::BUTTON_STATE,
+ PP_RESOURCEIMAGE_PDF_BUTTON_FTW,
+ PP_RESOURCEIMAGE_PDF_BUTTON_FTW_HOVER,
+ PP_RESOURCEIMAGE_PDF_BUTTON_FTW_PRESSED },
+ { kZoomOutButtonId, Button::BUTTON_CLICKABLE,
+ PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT,
+ PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT_HOVER,
+ PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT_PRESSED },
+ { kZoomInButtonId, Button::BUTTON_CLICKABLE,
+ PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN,
+ PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_HOVER,
+ PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_PRESSED },
+ { kSaveButtonId, Button::BUTTON_CLICKABLE,
+ PP_RESOURCEIMAGE_PDF_BUTTON_SAVE,
+ PP_RESOURCEIMAGE_PDF_BUTTON_SAVE_HOVER,
+ PP_RESOURCEIMAGE_PDF_BUTTON_SAVE_PRESSED },
+ { kPrintButtonId, Button::BUTTON_CLICKABLE,
+ PP_RESOURCEIMAGE_PDF_BUTTON_PRINT,
+ PP_RESOURCEIMAGE_PDF_BUTTON_PRINT_HOVER,
+ PP_RESOURCEIMAGE_PDF_BUTTON_PRINT_PRESSED },
+};
+
+const ToolbarButtonInfo kPDFNoPrintToolbarButtons[] = {
+ { kFitToPageButtonId, Button::BUTTON_STATE,
+ PP_RESOURCEIMAGE_PDF_BUTTON_FTP,
+ PP_RESOURCEIMAGE_PDF_BUTTON_FTP_HOVER,
+ PP_RESOURCEIMAGE_PDF_BUTTON_FTP_PRESSED },
+ { kFitToWidthButtonId, Button::BUTTON_STATE,
+ PP_RESOURCEIMAGE_PDF_BUTTON_FTW,
+ PP_RESOURCEIMAGE_PDF_BUTTON_FTW_HOVER,
+ PP_RESOURCEIMAGE_PDF_BUTTON_FTW_PRESSED },
+ { kZoomOutButtonId, Button::BUTTON_CLICKABLE,
+ PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT,
+ PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT_HOVER,
+ PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT_PRESSED },
+ { kZoomInButtonId, Button::BUTTON_CLICKABLE,
+ PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN,
+ PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_HOVER,
+ PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_PRESSED },
+ { kSaveButtonId, Button::BUTTON_CLICKABLE,
+ PP_RESOURCEIMAGE_PDF_BUTTON_SAVE,
+ PP_RESOURCEIMAGE_PDF_BUTTON_SAVE_HOVER,
+ PP_RESOURCEIMAGE_PDF_BUTTON_SAVE_PRESSED },
+ { kPrintButtonId, Button::BUTTON_CLICKABLE,
+ PP_RESOURCEIMAGE_PDF_BUTTON_PRINT_DISABLED,
+ PP_RESOURCEIMAGE_PDF_BUTTON_PRINT_DISABLED,
+ PP_RESOURCEIMAGE_PDF_BUTTON_PRINT_DISABLED }
+};
+
+const ToolbarButtonInfo kPrintPreviewToolbarButtons[] = {
+ { kFitToPageButtonId, Button::BUTTON_STATE,
+ PP_RESOURCEIMAGE_PDF_BUTTON_FTP,
+ PP_RESOURCEIMAGE_PDF_BUTTON_FTP_HOVER,
+ PP_RESOURCEIMAGE_PDF_BUTTON_FTP_PRESSED },
+ { kFitToWidthButtonId, Button::BUTTON_STATE,
+ PP_RESOURCEIMAGE_PDF_BUTTON_FTW,
+ PP_RESOURCEIMAGE_PDF_BUTTON_FTW_HOVER,
+ PP_RESOURCEIMAGE_PDF_BUTTON_FTW_PRESSED },
+ { kZoomOutButtonId, Button::BUTTON_CLICKABLE,
+ PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT,
+ PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT_HOVER,
+ PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT_PRESSED },
+ { kZoomInButtonId, Button::BUTTON_CLICKABLE,
+ PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_END,
+ PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_END_HOVER,
+ PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_END_PRESSED },
+};
+
+static const char kPPPPdfInterface[] = PPP_PDF_INTERFACE_1;
+
+PP_Var GetLinkAtPosition(PP_Instance instance, PP_Point point) {
+ pp::Var var;
+ void* object =
+ pp::Instance::GetPerInstanceObject(instance, kPPPPdfInterface);
+ if (object)
+ var = static_cast<Instance*>(object)->GetLinkAtPosition(pp::Point(point));
+ return var.Detach();
+}
+
+void Transform(PP_Instance instance, PP_PrivatePageTransformType type) {
+ void* object =
+ pp::Instance::GetPerInstanceObject(instance, kPPPPdfInterface);
+ if (object) {
+ Instance* obj_instance = static_cast<Instance*>(object);
+ switch (type) {
+ case PP_PRIVATEPAGETRANSFORMTYPE_ROTATE_90_CW:
+ obj_instance->RotateClockwise();
+ break;
+ case PP_PRIVATEPAGETRANSFORMTYPE_ROTATE_90_CCW:
+ obj_instance->RotateCounterclockwise();
+ break;
+ }
+ }
+}
+
+const PPP_Pdf ppp_private = {
+ &GetLinkAtPosition,
+ &Transform
+};
+
+int ExtractPrintPreviewPageIndex(const std::string& src_url) {
+ // Sample |src_url| format: chrome://print/id/page_index/print.pdf
+ std::vector<std::string> url_substr;
+ base::SplitString(src_url.substr(strlen(kChromePrint)), '/', &url_substr);
+ if (url_substr.size() != 3)
+ return -1;
+
+ if (url_substr[2] != "print.pdf")
+ return -1;
+
+ int page_index = 0;
+ if (!base::StringToInt(url_substr[1], &page_index))
+ return -1;
+ return page_index;
+}
+
+bool IsPrintPreviewUrl(const std::string& url) {
+ return url.substr(0, strlen(kChromePrint)) == kChromePrint;
+}
+
+void ScalePoint(float scale, pp::Point* point) {
+ point->set_x(static_cast<int>(point->x() * scale));
+ point->set_y(static_cast<int>(point->y() * scale));
+}
+
+void ScaleRect(float scale, pp::Rect* rect) {
+ int left = static_cast<int>(floorf(rect->x() * scale));
+ int top = static_cast<int>(floorf(rect->y() * scale));
+ int right = static_cast<int>(ceilf((rect->x() + rect->width()) * scale));
+ int bottom = static_cast<int>(ceilf((rect->y() + rect->height()) * scale));
+ rect->SetRect(left, top, right - left, bottom - top);
+}
+
+template<class T>
+T ClipToRange(T value, T lower_boundary, T upper_boundary) {
+ DCHECK(lower_boundary <= upper_boundary);
+ return std::max<T>(lower_boundary, std::min<T>(value, upper_boundary));
+}
+
+} // namespace
+
+Instance::Instance(PP_Instance instance)
+ : pp::InstancePrivate(instance),
+ pp::Find_Private(this),
+ pp::Printing_Dev(this),
+ pp::Selection_Dev(this),
+ pp::WidgetClient_Dev(this),
+ pp::Zoom_Dev(this),
+ cursor_(PP_CURSORTYPE_POINTER),
+ timer_pending_(false),
+ current_timer_id_(0),
+ zoom_(1.0),
+ device_scale_(1.0),
+ printing_enabled_(true),
+ hidpi_enabled_(false),
+ full_(IsFullFrame()),
+ zoom_mode_(full_ ? ZOOM_AUTO : ZOOM_SCALE),
+ did_call_start_loading_(false),
+ is_autoscroll_(false),
+ scrollbar_thickness_(-1),
+ scrollbar_reserved_thickness_(-1),
+ current_tb_info_(NULL),
+ current_tb_info_size_(0),
+ paint_manager_(this, this, true),
+ delayed_progress_timer_id_(0),
+ first_paint_(true),
+ painted_first_page_(false),
+ show_page_indicator_(false),
+ document_load_state_(LOAD_STATE_LOADING),
+ preview_document_load_state_(LOAD_STATE_COMPLETE),
+ told_browser_about_unsupported_feature_(false),
+ print_preview_page_count_(0) {
+ loader_factory_.Initialize(this);
+ timer_factory_.Initialize(this);
+ form_factory_.Initialize(this);
+ callback_factory_.Initialize(this);
+ engine_.reset(PDFEngine::Create(this));
+ pp::Module::Get()->AddPluginInterface(kPPPPdfInterface, &ppp_private);
+ AddPerInstanceObject(kPPPPdfInterface, this);
+
+ RequestFilteringInputEvents(PP_INPUTEVENT_CLASS_MOUSE);
+ RequestFilteringInputEvents(PP_INPUTEVENT_CLASS_WHEEL);
+ RequestFilteringInputEvents(PP_INPUTEVENT_CLASS_KEYBOARD);
+ RequestFilteringInputEvents(PP_INPUTEVENT_CLASS_TOUCH);
+}
+
+Instance::~Instance() {
+ if (timer_pending_) {
+ timer_factory_.CancelAll();
+ timer_pending_ = false;
+ }
+ // The engine may try to access this instance during its destruction.
+ // Make sure this happens early while the instance is still intact.
+ engine_.reset();
+ RemovePerInstanceObject(kPPPPdfInterface, this);
+}
+
+bool Instance::Init(uint32_t argc, const char* argn[], const char* argv[]) {
+ // For now, we hide HiDPI support behind a flag.
+ if (pp::PDF::IsFeatureEnabled(this, PP_PDFFEATURE_HIDPI))
+ hidpi_enabled_ = true;
+
+ printing_enabled_ = pp::PDF::IsFeatureEnabled(this, PP_PDFFEATURE_PRINTING);
+ if (printing_enabled_) {
+ CreateToolbar(kPDFToolbarButtons, arraysize(kPDFToolbarButtons));
+ } else {
+ CreateToolbar(kPDFNoPrintToolbarButtons,
+ arraysize(kPDFNoPrintToolbarButtons));
+ }
+
+ CreateProgressBar();
+
+ // Load autoscroll anchor image.
+ autoscroll_anchor_ =
+ CreateResourceImage(PP_RESOURCEIMAGE_PDF_PAN_SCROLL_ICON);
+
+#ifdef ENABLE_THUMBNAILS
+ CreateThumbnails();
+#endif
+ const char* url = NULL;
+ for (uint32_t i = 0; i < argc; ++i) {
+ if (strcmp(argn[i], "src") == 0) {
+ url = argv[i];
+ break;
+ }
+ }
+
+ if (!url)
+ return false;
+
+ CreatePageIndicator(IsPrintPreviewUrl(url));
+
+ if (!full_) {
+ // For PDFs embedded in a frame, we don't get the data automatically like we
+ // do for full-frame loads. Start loading the data manually.
+ LoadUrl(url);
+ } else {
+ DCHECK(!did_call_start_loading_);
+ pp::PDF::DidStartLoading(this);
+ did_call_start_loading_ = true;
+ }
+
+ ZoomLimitsChanged(kMinZoom, kMaxZoom);
+
+ text_input_.reset(new pp::TextInput_Dev(this));
+
+ url_ = url;
+ return engine_->New(url);
+}
+
+bool Instance::HandleDocumentLoad(const pp::URLLoader& loader) {
+ delayed_progress_timer_id_ = ScheduleTimer(kProgressBarId,
+ kProgressDelayTimeoutMs);
+ return engine_->HandleDocumentLoad(loader);
+}
+
+bool Instance::HandleInputEvent(const pp::InputEvent& event) {
+ // To simplify things, convert the event into device coordinates if it is
+ // a mouse event.
+ pp::InputEvent event_device_res(event);
+ {
+ pp::MouseInputEvent mouse_event(event);
+ if (!mouse_event.is_null()) {
+ pp::Point point = mouse_event.GetPosition();
+ pp::Point movement = mouse_event.GetMovement();
+ ScalePoint(device_scale_, &point);
+ ScalePoint(device_scale_, &movement);
+ mouse_event = pp::MouseInputEvent(
+ this,
+ event.GetType(),
+ event.GetTimeStamp(),
+ event.GetModifiers(),
+ mouse_event.GetButton(),
+ point,
+ mouse_event.GetClickCount(),
+ movement);
+ event_device_res = mouse_event;
+ }
+ }
+
+ // Check if we need to go to autoscroll mode.
+ if (event.GetType() == PP_INPUTEVENT_TYPE_MOUSEMOVE &&
+ (event.GetModifiers() & PP_INPUTEVENT_MODIFIER_MIDDLEBUTTONDOWN)) {
+ pp::MouseInputEvent mouse_event(event_device_res);
+ pp::Point pos = mouse_event.GetPosition();
+ EnableAutoscroll(pos);
+ UpdateCursor(CalculateAutoscroll(pos));
+ return true;
+ } else {
+ // Quit autoscrolling on any other event.
+ DisableAutoscroll();
+ }
+
+#ifdef ENABLE_THUMBNAILS
+ if (event.GetType() == PP_INPUTEVENT_TYPE_MOUSELEAVE)
+ thumbnails_.SlideOut();
+
+ if (thumbnails_.HandleEvent(event_device_res))
+ return true;
+#endif
+
+ if (toolbar_->HandleEvent(event_device_res))
+ return true;
+
+#ifdef ENABLE_THUMBNAILS
+ if (v_scrollbar_.get() && event.GetType() == PP_INPUTEVENT_TYPE_MOUSEMOVE) {
+ pp::MouseInputEvent mouse_event(event);
+ pp::Point pt = mouse_event.GetPosition();
+ pp::Rect v_scrollbar_rc;
+ v_scrollbar_->GetLocation(&v_scrollbar_rc);
+ // There is a bug (https://bugs.webkit.org/show_bug.cgi?id=45208)
+ // in the webkit that makes event.u.mouse.button
+ // equal to PP_INPUTEVENT_MOUSEBUTTON_LEFT, even when no button is pressed.
+ // To work around this issue we use modifier for now, and will switch
+ // to button once the bug is fixed and webkit got merged back to our tree.
+ if (v_scrollbar_rc.Contains(pt) &&
+ (event.GetModifiers() & PP_INPUTEVENT_MODIFIER_LEFTBUTTONDOWN)) {
+ thumbnails_.SlideIn();
+ }
+
+ // When scrollbar is in the scrolling mode we should display thumbnails
+ // even the mouse is outside the thumbnail and scrollbar areas.
+ // If mouse is outside plugin area, we are still getting mouse move events
+ // while scrolling. See bug description for details:
+ // http://code.google.com/p/chromium/issues/detail?id=56444
+ if (!v_scrollbar_rc.Contains(pt) && thumbnails_.visible() &&
+ !(event.GetModifiers() & PP_INPUTEVENT_MODIFIER_LEFTBUTTONDOWN) &&
+ !thumbnails_.rect().Contains(pt)) {
+ thumbnails_.SlideOut();
+ }
+ }
+#endif
+
+ // Need to pass the event to the engine first, since if we're over an edit
+ // control we want it to get keyboard events (like space) instead of the
+ // scrollbar.
+ // TODO: will have to offset the mouse coordinates once we support bidi and
+ // there could be scrollbars on the left.
+ pp::InputEvent offset_event(event_device_res);
+ bool try_engine_first = true;
+ switch (offset_event.GetType()) {
+ case PP_INPUTEVENT_TYPE_MOUSEDOWN:
+ case PP_INPUTEVENT_TYPE_MOUSEUP:
+ case PP_INPUTEVENT_TYPE_MOUSEMOVE:
+ case PP_INPUTEVENT_TYPE_MOUSEENTER:
+ case PP_INPUTEVENT_TYPE_MOUSELEAVE: {
+ pp::MouseInputEvent mouse_event(event_device_res);
+ pp::MouseInputEvent mouse_event_dip(event);
+ pp::Point point = mouse_event.GetPosition();
+ point.set_x(point.x() - available_area_.x());
+ offset_event = pp::MouseInputEvent(
+ this,
+ event.GetType(),
+ event.GetTimeStamp(),
+ event.GetModifiers(),
+ mouse_event.GetButton(),
+ point,
+ mouse_event.GetClickCount(),
+ mouse_event.GetMovement());
+ if (!engine_->IsSelecting()) {
+ if (!IsOverlayScrollbar() &&
+ !available_area_.Contains(mouse_event.GetPosition())) {
+ try_engine_first = false;
+ } else if (IsOverlayScrollbar()) {
+ pp::Rect temp;
+ if ((v_scrollbar_.get() && v_scrollbar_->GetLocation(&temp) &&
+ temp.Contains(mouse_event_dip.GetPosition())) ||
+ (h_scrollbar_.get() && h_scrollbar_->GetLocation(&temp) &&
+ temp.Contains(mouse_event_dip.GetPosition()))) {
+ try_engine_first = false;
+ }
+ }
+ }
+ break;
+ }
+ default:
+ break;
+ }
+ if (try_engine_first && engine_->HandleEvent(offset_event))
+ return true;
+
+ // Left/Right arrows should scroll to the beginning of the Prev/Next page if
+ // there is no horizontal scroll bar.
+ // If fit-to-height, PgDown/PgUp should scroll to the beginning of the
+ // Prev/Next page. Spacebar / shift+spacebar should do the same.
+ if (v_scrollbar_.get() && event.GetType() == PP_INPUTEVENT_TYPE_KEYDOWN) {
+ pp::KeyboardInputEvent keyboard_event(event);
+ bool no_h_scrollbar = !h_scrollbar_.get();
+ uint32_t key_code = keyboard_event.GetKeyCode();
+ bool page_down = no_h_scrollbar && key_code == ui::VKEY_RIGHT;
+ bool page_up = no_h_scrollbar && key_code == ui::VKEY_LEFT;
+ if (zoom_mode_ == ZOOM_FIT_TO_PAGE) {
+ bool has_shift =
+ keyboard_event.GetModifiers() & PP_INPUTEVENT_MODIFIER_SHIFTKEY;
+ bool key_is_space = key_code == ui::VKEY_SPACE;
+ page_down |= key_is_space || key_code == ui::VKEY_NEXT;
+ page_up |= (key_is_space && has_shift) || (key_code == ui::VKEY_PRIOR);
+ }
+ if (page_down) {
+ int page = engine_->GetFirstVisiblePage();
+ if (page == -1)
+ return true;
+ // Engine calculates visible page including delimiter to the page size.
+ // We need to check here if the page itself is completely out of view and
+ // scroll to the next one in that case.
+ if (engine_->GetPageRect(page).bottom() * zoom_ <=
+ v_scrollbar_->GetValue())
+ page++;
+ ScrollToPage(page + 1);
+ UpdateCursor(PP_CURSORTYPE_POINTER);
+ return true;
+ } else if (page_up) {
+ int page = engine_->GetFirstVisiblePage();
+ if (page == -1)
+ return true;
+ if (engine_->GetPageRect(page).y() * zoom_ >= v_scrollbar_->GetValue())
+ page--;
+ ScrollToPage(page);
+ UpdateCursor(PP_CURSORTYPE_POINTER);
+ return true;
+ }
+ }
+
+ if (v_scrollbar_.get() && v_scrollbar_->HandleEvent(event)) {
+ UpdateCursor(PP_CURSORTYPE_POINTER);
+ return true;
+ }
+
+ if (h_scrollbar_.get() && h_scrollbar_->HandleEvent(event)) {
+ UpdateCursor(PP_CURSORTYPE_POINTER);
+ return true;
+ }
+
+ if (timer_pending_ &&
+ (event.GetType() == PP_INPUTEVENT_TYPE_MOUSEUP ||
+ event.GetType() == PP_INPUTEVENT_TYPE_MOUSEMOVE)) {
+ timer_factory_.CancelAll();
+ timer_pending_ = false;
+ } else if (event.GetType() == PP_INPUTEVENT_TYPE_MOUSEMOVE &&
+ engine_->IsSelecting()) {
+ bool set_timer = false;
+ pp::MouseInputEvent mouse_event(event);
+ if (v_scrollbar_.get() &&
+ (mouse_event.GetPosition().y() <= 0 ||
+ mouse_event.GetPosition().y() >= (plugin_dip_size_.height() - 1))) {
+ v_scrollbar_->ScrollBy(
+ PP_SCROLLBY_LINE, mouse_event.GetPosition().y() >= 0 ? 1: -1);
+ set_timer = true;
+ }
+ if (h_scrollbar_.get() &&
+ (mouse_event.GetPosition().x() <= 0 ||
+ mouse_event.GetPosition().x() >= (plugin_dip_size_.width() - 1))) {
+ h_scrollbar_->ScrollBy(PP_SCROLLBY_LINE,
+ mouse_event.GetPosition().x() >= 0 ? 1: -1);
+ set_timer = true;
+ }
+
+ if (set_timer) {
+ last_mouse_event_ = pp::MouseInputEvent(event);
+
+ pp::CompletionCallback callback =
+ timer_factory_.NewCallback(&Instance::OnTimerFired);
+ pp::Module::Get()->core()->CallOnMainThread(kDragTimerMs, callback);
+ timer_pending_ = true;
+ }
+ }
+
+ if (event.GetType() == PP_INPUTEVENT_TYPE_KEYDOWN) {
+ pp::KeyboardInputEvent keyboard_event(event);
+ const uint32 modifier = event.GetModifiers();
+ if (modifier & kDefaultKeyModifier) {
+ switch (keyboard_event.GetKeyCode()) {
+ case 'A':
+ engine_->SelectAll();
+ return true;
+ }
+ } else if (modifier & PP_INPUTEVENT_MODIFIER_CONTROLKEY) {
+ switch (keyboard_event.GetKeyCode()) {
+ case ui::VKEY_OEM_4:
+ // Left bracket.
+ engine_->RotateCounterclockwise();
+ return true;
+ case ui::VKEY_OEM_6:
+ // Right bracket.
+ engine_->RotateClockwise();
+ return true;
+ }
+ }
+ }
+
+ // Return true for unhandled clicks so the plugin takes focus.
+ return (event.GetType() == PP_INPUTEVENT_TYPE_MOUSEDOWN);
+}
+
+void Instance::DidChangeView(const pp::View& view) {
+ pp::Rect view_rect(view.GetRect());
+ float device_scale = 1.0f;
+ float old_device_scale = device_scale_;
+ if (hidpi_enabled_)
+ device_scale = view.GetDeviceScale();
+ pp::Size view_device_size(view_rect.width() * device_scale,
+ view_rect.height() * device_scale);
+ if (view_device_size == plugin_size_ && device_scale == device_scale_)
+ return; // We don't care about the position, only the size.
+
+ image_data_ = pp::ImageData();
+ device_scale_ = device_scale;
+ plugin_dip_size_ = view_rect.size();
+ plugin_size_ = view_device_size;
+
+ paint_manager_.SetSize(view_device_size, device_scale_);
+
+ image_data_ = pp::ImageData(this,
+ PP_IMAGEDATAFORMAT_BGRA_PREMUL,
+ plugin_size_,
+ false);
+ if (image_data_.is_null()) {
+ DCHECK(plugin_size_.IsEmpty());
+ return;
+ }
+
+ // View dimensions changed, disable autoscroll (if it was enabled).
+ DisableAutoscroll();
+
+ OnGeometryChanged(zoom_, old_device_scale);
+}
+
+pp::Var Instance::GetInstanceObject() {
+ if (instance_object_.is_undefined()) {
+ PDFScriptableObject* object = new PDFScriptableObject(this);
+ // The pp::Var takes ownership of object here.
+ instance_object_ = pp::VarPrivate(this, object);
+ }
+
+ return instance_object_;
+}
+
+pp::Var Instance::GetLinkAtPosition(const pp::Point& point) {
+ pp::Point offset_point(point);
+ ScalePoint(device_scale_, &offset_point);
+ offset_point.set_x(offset_point.x() - available_area_.x());
+ return engine_->GetLinkAtPosition(offset_point);
+}
+
+pp::Var Instance::GetSelectedText(bool html) {
+ if (html || !engine_->HasPermission(PDFEngine::PERMISSION_COPY))
+ return pp::Var();
+ return engine_->GetSelectedText();
+}
+
+void Instance::InvalidateWidget(pp::Widget_Dev widget,
+ const pp::Rect& dirty_rect) {
+ if (v_scrollbar_.get() && *v_scrollbar_ == widget) {
+ if (!image_data_.is_null())
+ v_scrollbar_->Paint(dirty_rect.pp_rect(), &image_data_);
+ } else if (h_scrollbar_.get() && *h_scrollbar_ == widget) {
+ if (!image_data_.is_null())
+ h_scrollbar_->Paint(dirty_rect.pp_rect(), &image_data_);
+ } else {
+ // Possible to hit this condition since sometimes the scrollbar codes posts
+ // a task to do something later, and we could have deleted our reference in
+ // the meantime.
+ return;
+ }
+
+ pp::Rect dirty_rect_scaled = dirty_rect;
+ ScaleRect(device_scale_, &dirty_rect_scaled);
+ paint_manager_.InvalidateRect(dirty_rect_scaled);
+}
+
+void Instance::ScrollbarValueChanged(pp::Scrollbar_Dev scrollbar,
+ uint32_t value) {
+ value = GetScaled(value);
+ if (v_scrollbar_.get() && *v_scrollbar_ == scrollbar) {
+ engine_->ScrolledToYPosition(value);
+ pp::Rect rc;
+ v_scrollbar_->GetLocation(&rc);
+ int32 doc_height = GetDocumentPixelHeight();
+ doc_height -= GetScaled(rc.height());
+#ifdef ENABLE_THUMBNAILS
+ if (thumbnails_.visible()) {
+ thumbnails_.SetPosition(value, doc_height, true);
+ }
+#endif
+ pp::Point origin(
+ plugin_size_.width() - page_indicator_.rect().width() -
+ GetScaled(GetScrollbarReservedThickness()),
+ page_indicator_.GetYPosition(value, doc_height, plugin_size_.height()));
+ page_indicator_.MoveTo(origin, page_indicator_.visible());
+ } else if (h_scrollbar_.get() && *h_scrollbar_ == scrollbar) {
+ engine_->ScrolledToXPosition(value);
+ }
+}
+
+void Instance::ScrollbarOverlayChanged(pp::Scrollbar_Dev scrollbar,
+ bool overlay) {
+ scrollbar_reserved_thickness_ = overlay ? 0 : scrollbar_thickness_;
+ OnGeometryChanged(zoom_, device_scale_);
+}
+
+uint32_t Instance::QuerySupportedPrintOutputFormats() {
+ return engine_->QuerySupportedPrintOutputFormats();
+}
+
+int32_t Instance::PrintBegin(const PP_PrintSettings_Dev& print_settings) {
+ // For us num_pages is always equal to the number of pages in the PDF
+ // document irrespective of the printable area.
+ int32_t ret = engine_->GetNumberOfPages();
+ if (!ret)
+ return 0;
+
+ uint32_t supported_formats = engine_->QuerySupportedPrintOutputFormats();
+ if ((print_settings.format & supported_formats) == 0)
+ return 0;
+
+ print_settings_.is_printing = true;
+ print_settings_.pepper_print_settings = print_settings;
+ engine_->PrintBegin();
+ return ret;
+}
+
+pp::Resource Instance::PrintPages(
+ const PP_PrintPageNumberRange_Dev* page_ranges,
+ uint32_t page_range_count) {
+ if (!print_settings_.is_printing)
+ return pp::Resource();
+
+ print_settings_.print_pages_called_ = true;
+ return engine_->PrintPages(page_ranges, page_range_count,
+ print_settings_.pepper_print_settings);
+}
+
+void Instance::PrintEnd() {
+ if (print_settings_.print_pages_called_)
+ UserMetricsRecordAction("PDF.PrintPage");
+ print_settings_.Clear();
+ engine_->PrintEnd();
+}
+
+bool Instance::IsPrintScalingDisabled() {
+ return !engine_->GetPrintScaling();
+}
+
+bool Instance::StartFind(const std::string& text, bool case_sensitive) {
+ engine_->StartFind(text.c_str(), case_sensitive);
+ return true;
+}
+
+void Instance::SelectFindResult(bool forward) {
+ engine_->SelectFindResult(forward);
+}
+
+void Instance::StopFind() {
+ engine_->StopFind();
+}
+
+void Instance::Zoom(double scale, bool text_only) {
+ UserMetricsRecordAction("PDF.ZoomFromBrowser");
+
+ // If the zoom level doesn't change it means that this zoom change might have
+ // been initiated by the plugin. In that case, we don't want to change the
+ // zoom mode to ZOOM_SCALE as it may have been intentionally set to
+ // ZOOM_FIT_TO_PAGE or some other value when the zoom was last changed.
+ if (scale == zoom_)
+ return;
+
+ SetZoom(ZOOM_SCALE, scale);
+}
+
+void Instance::ZoomChanged(double factor) {
+ if (full_)
+ Zoom_Dev::ZoomChanged(factor);
+}
+
+void Instance::OnPaint(const std::vector<pp::Rect>& paint_rects,
+ std::vector<PaintManager::ReadyRect>* ready,
+ std::vector<pp::Rect>* pending) {
+ if (image_data_.is_null()) {
+ DCHECK(plugin_size_.IsEmpty());
+ return;
+ }
+ if (first_paint_) {
+ first_paint_ = false;
+ pp::Rect rect = pp::Rect(pp::Point(), plugin_size_);
+ FillRect(rect, kBackgroundColor);
+ ready->push_back(PaintManager::ReadyRect(rect, image_data_, true));
+ *pending = paint_rects;
+ return;
+ }
+
+ engine_->PrePaint();
+
+ for (size_t i = 0; i < paint_rects.size(); i++) {
+ // Intersect with plugin area since there could be pending invalidates from
+ // when the plugin area was larger.
+ pp::Rect rect =
+ paint_rects[i].Intersect(pp::Rect(pp::Point(), plugin_size_));
+ if (rect.IsEmpty())
+ continue;
+
+ pp::Rect pdf_rect = available_area_.Intersect(rect);
+ if (!pdf_rect.IsEmpty()) {
+ pdf_rect.Offset(available_area_.x() * -1, 0);
+
+ std::vector<pp::Rect> pdf_ready;
+ std::vector<pp::Rect> pdf_pending;
+ engine_->Paint(pdf_rect, &image_data_, &pdf_ready, &pdf_pending);
+ for (size_t j = 0; j < pdf_ready.size(); ++j) {
+ pdf_ready[j].Offset(available_area_.point());
+ ready->push_back(
+ PaintManager::ReadyRect(pdf_ready[j], image_data_, false));
+ }
+ for (size_t j = 0; j < pdf_pending.size(); ++j) {
+ pdf_pending[j].Offset(available_area_.point());
+ pending->push_back(pdf_pending[j]);
+ }
+ }
+
+ for (size_t j = 0; j < background_parts_.size(); ++j) {
+ pp::Rect intersection = background_parts_[j].location.Intersect(rect);
+ if (!intersection.IsEmpty()) {
+ FillRect(intersection, background_parts_[j].color);
+ ready->push_back(
+ PaintManager::ReadyRect(intersection, image_data_, false));
+ }
+ }
+
+ if (document_load_state_ == LOAD_STATE_FAILED) {
+ pp::Point top_center;
+ top_center.set_x(plugin_size_.width() / 2);
+ top_center.set_y(plugin_size_.height() / 2);
+ DrawText(top_center, PP_RESOURCESTRING_PDFLOAD_FAILED);
+ }
+
+#ifdef ENABLE_THUMBNAILS
+ thumbnails_.Paint(&image_data_, rect);
+#endif
+ }
+
+ engine_->PostPaint();
+
+ // Must paint scrollbars after the background parts, in case we have an
+ // overlay scrollbar that's over the background. We also do this in a separate
+ // loop because the scrollbar painting logic uses the signal of whether there
+ // are pending paints or not to figure out if it should draw right away or
+ // not.
+ for (size_t i = 0; i < paint_rects.size(); i++) {
+ PaintIfWidgetIntersects(h_scrollbar_.get(), paint_rects[i], ready, pending);
+ PaintIfWidgetIntersects(v_scrollbar_.get(), paint_rects[i], ready, pending);
+ }
+
+ if (progress_bar_.visible())
+ PaintOverlayControl(&progress_bar_, &image_data_, ready);
+
+ if (page_indicator_.visible())
+ PaintOverlayControl(&page_indicator_, &image_data_, ready);
+
+ if (toolbar_->current_transparency() != kTransparentAlpha)
+ PaintOverlayControl(toolbar_.get(), &image_data_, ready);
+
+ // Paint autoscroll anchor if needed.
+ if (is_autoscroll_) {
+ size_t limit = ready->size();
+ for (size_t i = 0; i < limit; i++) {
+ pp::Rect anchor_rect = autoscroll_rect_.Intersect((*ready)[i].rect);
+ if (!anchor_rect.IsEmpty()) {
+ pp::Rect draw_rc = pp::Rect(
+ pp::Point(anchor_rect.x() - autoscroll_rect_.x(),
+ anchor_rect.y() - autoscroll_rect_.y()),
+ anchor_rect.size());
+ // Paint autoscroll anchor.
+ AlphaBlend(autoscroll_anchor_, draw_rc,
+ &image_data_, anchor_rect.point(), kOpaqueAlpha);
+ }
+ }
+ }
+}
+
+void Instance::PaintOverlayControl(
+ Control* ctrl,
+ pp::ImageData* image_data,
+ std::vector<PaintManager::ReadyRect>* ready) {
+ // Make sure that we only paint overlay controls over an area that's ready,
+ // i.e. not pending. Otherwise we'll mark the control rect as ready and
+ // it'll overwrite the pdf region.
+ std::list<pp::Rect> ctrl_rects;
+ for (size_t i = 0; i < ready->size(); i++) {
+ pp::Rect rc = ctrl->rect().Intersect((*ready)[i].rect);
+ if (!rc.IsEmpty())
+ ctrl_rects.push_back(rc);
+ }
+
+ if (!ctrl_rects.empty()) {
+ ctrl->PaintMultipleRects(image_data, ctrl_rects);
+
+ std::list<pp::Rect>::iterator iter;
+ for (iter = ctrl_rects.begin(); iter != ctrl_rects.end(); ++iter) {
+ ready->push_back(PaintManager::ReadyRect(*iter, *image_data, false));
+ }
+ }
+}
+
+void Instance::DidOpen(int32_t result) {
+ if (result == PP_OK) {
+ engine_->HandleDocumentLoad(embed_loader_);
+ } else if (result != PP_ERROR_ABORTED) { // Can happen in tests.
+ NOTREACHED();
+ }
+}
+
+void Instance::DidOpenPreview(int32_t result) {
+ if (result == PP_OK) {
+ preview_engine_.reset(PDFEngine::Create(new PreviewModeClient(this)));
+ preview_engine_->HandleDocumentLoad(embed_preview_loader_);
+ } else {
+ NOTREACHED();
+ }
+}
+
+void Instance::PaintIfWidgetIntersects(
+ pp::Widget_Dev* widget,
+ const pp::Rect& rect,
+ std::vector<PaintManager::ReadyRect>* ready,
+ std::vector<pp::Rect>* pending) {
+ if (!widget)
+ return;
+
+ pp::Rect location;
+ if (!widget->GetLocation(&location))
+ return;
+
+ ScaleRect(device_scale_, &location);
+ location = location.Intersect(rect);
+ if (location.IsEmpty())
+ return;
+
+ if (IsOverlayScrollbar()) {
+ // If we're using overlay scrollbars, and there are pending paints under the
+ // scrollbar, don't update the scrollbar instantly. While it would be nice,
+ // we would need to double buffer the plugin area in order to make this
+ // work. This is because we'd need to always have a copy of what the pdf
+ // under the scrollbar looks like, and additionally we couldn't paint the
+ // pdf under the scrollbar if it's ready until we got the preceding flush.
+ // So in practice, it would make painting slower and introduce extra buffer
+ // copies for the general case.
+ for (size_t i = 0; i < pending->size(); ++i) {
+ if ((*pending)[i].Intersects(location))
+ return;
+ }
+
+ // Even if none of the pending paints are under the scrollbar, we never want
+ // to paint it if it's over the pdf if there are other pending paints.
+ // Otherwise different parts of the pdf plugin would display at different
+ // scroll offsets.
+ if (!pending->empty() && available_area_.Intersects(rect)) {
+ pending->push_back(location);
+ return;
+ }
+ }
+
+ pp::Rect location_dip = location;
+ ScaleRect(1.0f / device_scale_, &location_dip);
+
+ DCHECK(!image_data_.is_null());
+ widget->Paint(location_dip, &image_data_);
+
+ ready->push_back(PaintManager::ReadyRect(location, image_data_, true));
+}
+
+void Instance::OnTimerFired(int32_t) {
+ HandleInputEvent(last_mouse_event_);
+}
+
+void Instance::OnClientTimerFired(int32_t id) {
+ engine_->OnCallback(id);
+}
+
+void Instance::OnControlTimerFired(int32_t,
+ const uint32& control_id,
+ const uint32& timer_id) {
+ if (control_id == toolbar_->id()) {
+ toolbar_->OnTimerFired(timer_id);
+ } else if (control_id == progress_bar_.id()) {
+ if (timer_id == delayed_progress_timer_id_) {
+ if (document_load_state_ == LOAD_STATE_LOADING &&
+ !progress_bar_.visible()) {
+ progress_bar_.Fade(true, kProgressFadeTimeoutMs);
+ }
+ delayed_progress_timer_id_ = 0;
+ } else {
+ progress_bar_.OnTimerFired(timer_id);
+ }
+ } else if (control_id == kAutoScrollId) {
+ if (is_autoscroll_) {
+ if (autoscroll_x_ != 0 && h_scrollbar_.get()) {
+ h_scrollbar_->ScrollBy(PP_SCROLLBY_PIXEL, autoscroll_x_);
+ }
+ if (autoscroll_y_ != 0 && v_scrollbar_.get()) {
+ v_scrollbar_->ScrollBy(PP_SCROLLBY_PIXEL, autoscroll_y_);
+ }
+
+ // Reschedule timer.
+ ScheduleTimer(kAutoScrollId, kAutoScrollTimeoutMs);
+ }
+ } else if (control_id == kPageIndicatorId) {
+ page_indicator_.OnTimerFired(timer_id);
+ }
+#ifdef ENABLE_THUMBNAILS
+ else if (control_id == thumbnails_.id()) {
+ thumbnails_.OnTimerFired(timer_id);
+ }
+#endif
+}
+
+void Instance::CalculateBackgroundParts() {
+ background_parts_.clear();
+ int v_scrollbar_thickness =
+ GetScaled(v_scrollbar_.get() ? GetScrollbarReservedThickness() : 0);
+ int h_scrollbar_thickness =
+ GetScaled(h_scrollbar_.get() ? GetScrollbarReservedThickness() : 0);
+ int width_without_scrollbar = std::max(
+ plugin_size_.width() - v_scrollbar_thickness, 0);
+ int height_without_scrollbar = std::max(
+ plugin_size_.height() - h_scrollbar_thickness, 0);
+ int left_width = available_area_.x();
+ int right_start = available_area_.right();
+ int right_width = abs(width_without_scrollbar - available_area_.right());
+ int bottom = std::min(available_area_.bottom(), height_without_scrollbar);
+
+ // Add the left, right, and bottom rectangles. Note: we assume only
+ // horizontal centering.
+ BackgroundPart part = {
+ pp::Rect(0, 0, left_width, bottom),
+ kBackgroundColor
+ };
+ if (!part.location.IsEmpty())
+ background_parts_.push_back(part);
+ part.location = pp::Rect(right_start, 0, right_width, bottom);
+ if (!part.location.IsEmpty())
+ background_parts_.push_back(part);
+ part.location = pp::Rect(
+ 0, bottom, width_without_scrollbar, height_without_scrollbar - bottom);
+ if (!part.location.IsEmpty())
+ background_parts_.push_back(part);
+
+ if (h_scrollbar_thickness
+#if defined(OS_MACOSX)
+ ||
+#else
+ &&
+#endif
+ v_scrollbar_thickness) {
+ part.color = 0xFFFFFFFF;
+ part.location = pp::Rect(plugin_size_.width() - v_scrollbar_thickness,
+ plugin_size_.height() - h_scrollbar_thickness,
+ h_scrollbar_thickness,
+ v_scrollbar_thickness);
+ background_parts_.push_back(part);
+ }
+}
+
+int Instance::GetDocumentPixelWidth() const {
+ return static_cast<int>(ceil(document_size_.width() * zoom_ * device_scale_));
+}
+
+int Instance::GetDocumentPixelHeight() const {
+ return static_cast<int>(ceil(document_size_.height() *
+ zoom_ *
+ device_scale_));
+}
+
+void Instance::FillRect(const pp::Rect& rect, uint32 color) {
+ DCHECK(!image_data_.is_null() || rect.IsEmpty());
+ uint32* buffer_start = static_cast<uint32*>(image_data_.data());
+ int stride = image_data_.stride();
+ uint32* ptr = buffer_start + rect.y() * stride / 4 + rect.x();
+ int height = rect.height();
+ int width = rect.width();
+ for (int y = 0; y < height; ++y) {
+ for (int x = 0; x < width; ++x)
+ *(ptr + x) = color;
+ ptr += stride / 4;
+ }
+}
+
+void Instance::DocumentSizeUpdated(const pp::Size& size) {
+ document_size_ = size;
+
+ OnGeometryChanged(zoom_, device_scale_);
+}
+
+void Instance::Invalidate(const pp::Rect& rect) {
+ pp::Rect offset_rect(rect);
+ offset_rect.Offset(available_area_.point());
+ paint_manager_.InvalidateRect(offset_rect);
+}
+
+void Instance::Scroll(const pp::Point& point) {
+ pp::Rect scroll_area = available_area_;
+ if (IsOverlayScrollbar()) {
+ pp::Rect rc;
+ if (h_scrollbar_.get()) {
+ h_scrollbar_->GetLocation(&rc);
+ ScaleRect(device_scale_, &rc);
+ if (scroll_area.bottom() > rc.y()) {
+ scroll_area.set_height(rc.y() - scroll_area.y());
+ paint_manager_.InvalidateRect(rc);
+ }
+ }
+ if (v_scrollbar_.get()) {
+ v_scrollbar_->GetLocation(&rc);
+ ScaleRect(device_scale_, &rc);
+ if (scroll_area.right() > rc.x()) {
+ scroll_area.set_width(rc.x() - scroll_area.x());
+ paint_manager_.InvalidateRect(rc);
+ }
+ }
+ }
+ paint_manager_.ScrollRect(scroll_area, point);
+
+ if (toolbar_->current_transparency() != kTransparentAlpha)
+ paint_manager_.InvalidateRect(toolbar_->GetControlsRect());
+
+ if (progress_bar_.visible())
+ paint_manager_.InvalidateRect(progress_bar_.rect());
+
+ if (is_autoscroll_)
+ paint_manager_.InvalidateRect(autoscroll_rect_);
+
+ if (show_page_indicator_) {
+ page_indicator_.set_current_page(GetPageNumberToDisplay());
+ page_indicator_.Splash();
+ }
+
+ if (page_indicator_.visible())
+ paint_manager_.InvalidateRect(page_indicator_.rect());
+
+ // Run the scroll callback asynchronously. This function can be invoked by a
+ // layout change which should not re-enter into JS synchronously.
+ pp::CompletionCallback callback =
+ callback_factory_.NewCallback(&Instance::RunCallback,
+ on_scroll_callback_);
+ pp::Module::Get()->core()->CallOnMainThread(0, callback);
+}
+
+void Instance::ScrollToX(int position) {
+ if (!h_scrollbar_.get()) {
+ NOTREACHED();
+ return;
+ }
+ int position_dip = static_cast<int>(position / device_scale_);
+ h_scrollbar_->SetValue(position_dip);
+}
+
+void Instance::ScrollToY(int position) {
+ if (!v_scrollbar_.get()) {
+ NOTREACHED();
+ return;
+ }
+ int position_dip = static_cast<int>(position / device_scale_);
+ v_scrollbar_->SetValue(ClipToRange(position_dip, 0, valid_v_range_));
+}
+
+void Instance::ScrollToPage(int page) {
+ if (!v_scrollbar_.get())
+ return;
+
+ if (engine_->GetNumberOfPages() == 0)
+ return;
+
+ int index = ClipToRange(page, 0, engine_->GetNumberOfPages() - 1);
+ pp::Rect rect = engine_->GetPageRect(index);
+ // If we are trying to scroll pass the last page,
+ // scroll to the end of the last page.
+ int position = index < page ? rect.bottom() : rect.y();
+ ScrollToY(position * zoom_ * device_scale_);
+}
+
+void Instance::NavigateTo(const std::string& url, bool open_in_new_tab) {
+ std::string url_copy(url);
+
+ // Empty |url_copy| is ok, and will effectively be a reload.
+ // Skip the code below so an empty URL does not turn into "http://", which
+ // will cause GURL to fail a DCHECK.
+ if (!url_copy.empty()) {
+ // If |url_copy| starts with '#', then it's for the same URL with a
+ // different URL fragment.
+ if (url_copy[0] == '#') {
+ url_copy = url_ + url_copy;
+ // Changing the href does not actually do anything when navigating in the
+ // same tab, so do the actual page scroll here. Then fall through so the
+ // href gets updated.
+ if (!open_in_new_tab) {
+ int page_number = GetInitialPage(url_copy);
+ if (page_number >= 0)
+ ScrollToPage(page_number);
+ }
+ }
+ // If there's no scheme, add http.
+ if (url_copy.find("://") == std::string::npos &&
+ url_copy.find("mailto:") == std::string::npos) {
+ url_copy = "http://" + url_copy;
+ }
+ // Make sure |url_copy| starts with a valid scheme.
+ if (url_copy.find("http://") != 0 &&
+ url_copy.find("https://") != 0 &&
+ url_copy.find("ftp://") != 0 &&
+ url_copy.find("file://") != 0 &&
+ url_copy.find("mailto:") != 0) {
+ return;
+ }
+ // Make sure |url_copy| is not only a scheme.
+ if (url_copy == "http://" ||
+ url_copy == "https://" ||
+ url_copy == "ftp://" ||
+ url_copy == "file://" ||
+ url_copy == "mailto:") {
+ return;
+ }
+ }
+ if (open_in_new_tab) {
+ GetWindowObject().Call("open", url_copy);
+ } else {
+ GetWindowObject().GetProperty("top").GetProperty("location").
+ SetProperty("href", url_copy);
+ }
+}
+
+void Instance::UpdateCursor(PP_CursorType_Dev cursor) {
+ if (cursor == cursor_)
+ return;
+ cursor_ = cursor;
+
+ const PPB_CursorControl_Dev* cursor_interface =
+ reinterpret_cast<const PPB_CursorControl_Dev*>(
+ pp::Module::Get()->GetBrowserInterface(PPB_CURSOR_CONTROL_DEV_INTERFACE));
+ if (!cursor_interface) {
+ NOTREACHED();
+ return;
+ }
+
+ cursor_interface->SetCursor(
+ pp_instance(), cursor_, pp::ImageData().pp_resource(), NULL);
+}
+
+void Instance::UpdateTickMarks(const std::vector<pp::Rect>& tickmarks) {
+ if (!v_scrollbar_.get())
+ return;
+
+ float inverse_scale = 1.0f / device_scale_;
+ std::vector<pp::Rect> scaled_tickmarks = tickmarks;
+ for (size_t i = 0; i < scaled_tickmarks.size(); i++) {
+ ScaleRect(inverse_scale, &scaled_tickmarks[i]);
+ }
+
+ v_scrollbar_->SetTickMarks(
+ scaled_tickmarks.empty() ? NULL : &scaled_tickmarks[0], tickmarks.size());
+}
+
+void Instance::NotifyNumberOfFindResultsChanged(int total, bool final_result) {
+ NumberOfFindResultsChanged(total, final_result);
+}
+
+void Instance::NotifySelectedFindResultChanged(int current_find_index) {
+ SelectedFindResultChanged(current_find_index);
+}
+
+void Instance::OnEvent(uint32 control_id, uint32 event_id, void* data) {
+ if (event_id == Button::EVENT_ID_BUTTON_CLICKED ||
+ event_id == Button::EVENT_ID_BUTTON_STATE_CHANGED) {
+ switch (control_id) {
+ case kFitToPageButtonId:
+ UserMetricsRecordAction("PDF.FitToPageButton");
+ SetZoom(ZOOM_FIT_TO_PAGE, 0);
+ ZoomChanged(zoom_);
+ break;
+ case kFitToWidthButtonId:
+ UserMetricsRecordAction("PDF.FitToWidthButton");
+ SetZoom(ZOOM_FIT_TO_WIDTH, 0);
+ ZoomChanged(zoom_);
+ break;
+ case kZoomOutButtonId:
+ case kZoomInButtonId:
+ UserMetricsRecordAction(control_id == kZoomOutButtonId ?
+ "PDF.ZoomOutButton" : "PDF.ZoomInButton");
+ SetZoom(ZOOM_SCALE, CalculateZoom(control_id));
+ ZoomChanged(zoom_);
+ break;
+ case kSaveButtonId:
+ UserMetricsRecordAction("PDF.SaveButton");
+ SaveAs();
+ break;
+ case kPrintButtonId:
+ UserMetricsRecordAction("PDF.PrintButton");
+ Print();
+ break;
+ }
+ }
+ if (control_id == kThumbnailsId &&
+ event_id == ThumbnailControl::EVENT_ID_THUMBNAIL_SELECTED) {
+ int page = *static_cast<int*>(data);
+ pp::Rect page_rc(engine_->GetPageRect(page));
+ ScrollToY(static_cast<int>(page_rc.y() * zoom_ * device_scale_));
+ }
+}
+
+void Instance::Invalidate(uint32 control_id, const pp::Rect& rc) {
+ paint_manager_.InvalidateRect(rc);
+}
+
+uint32 Instance::ScheduleTimer(uint32 control_id, uint32 timeout_ms) {
+ current_timer_id_++;
+ pp::CompletionCallback callback =
+ timer_factory_.NewCallback(&Instance::OnControlTimerFired,
+ control_id,
+ current_timer_id_);
+ pp::Module::Get()->core()->CallOnMainThread(timeout_ms, callback);
+ return current_timer_id_;
+}
+
+void Instance::SetEventCapture(uint32 control_id, bool set_capture) {
+ // TODO(gene): set event capture here.
+}
+
+void Instance::SetCursor(uint32 control_id, PP_CursorType_Dev cursor_type) {
+ UpdateCursor(cursor_type);
+}
+
+pp::Instance* Instance::GetInstance() {
+ return this;
+}
+
+void Instance::GetDocumentPassword(
+ pp::CompletionCallbackWithOutput<pp::Var> callback) {
+ std::string message(GetLocalizedString(PP_RESOURCESTRING_PDFGETPASSWORD));
+ pp::Var result = pp::PDF::ModalPromptForPassword(this, message);
+ *callback.output() = result.pp_var();
+ callback.Run(PP_OK);
+}
+
+void Instance::Alert(const std::string& message) {
+ GetWindowObject().Call("alert", message);
+}
+
+bool Instance::Confirm(const std::string& message) {
+ pp::Var result = GetWindowObject().Call("confirm", message);
+ return result.is_bool() ? result.AsBool() : false;
+}
+
+std::string Instance::Prompt(const std::string& question,
+ const std::string& default_answer) {
+ pp::Var result = GetWindowObject().Call("prompt", question, default_answer);
+ return result.is_string() ? result.AsString() : std::string();
+}
+
+std::string Instance::GetURL() {
+ return url_;
+}
+
+void Instance::Email(const std::string& to,
+ const std::string& cc,
+ const std::string& bcc,
+ const std::string& subject,
+ const std::string& body) {
+ std::string javascript =
+ "var href = 'mailto:" + net::EscapeUrlEncodedData(to, false) +
+ "?cc=" + net::EscapeUrlEncodedData(cc, false) +
+ "&bcc=" + net::EscapeUrlEncodedData(bcc, false) +
+ "&subject=" + net::EscapeUrlEncodedData(subject, false) +
+ "&body=" + net::EscapeUrlEncodedData(body, false) +
+ "';var temp = window.open(href, '_blank', " +
+ "'width=1,height=1');if(temp) temp.close();";
+ ExecuteScript(javascript);
+}
+
+void Instance::Print() {
+ if (!printing_enabled_ ||
+ (!engine_->HasPermission(PDFEngine::PERMISSION_PRINT_LOW_QUALITY) &&
+ !engine_->HasPermission(PDFEngine::PERMISSION_PRINT_HIGH_QUALITY))) {
+ return;
+ }
+
+ pp::CompletionCallback callback =
+ callback_factory_.NewCallback(&Instance::OnPrint);
+ pp::Module::Get()->core()->CallOnMainThread(0, callback);
+}
+
+void Instance::OnPrint(int32_t) {
+ pp::PDF::Print(this);
+}
+
+void Instance::SaveAs() {
+ pp::PDF::SaveAs(this);
+}
+
+void Instance::SubmitForm(const std::string& url,
+ const void* data,
+ int length) {
+ pp::URLRequestInfo request(this);
+ request.SetURL(url);
+ request.SetMethod("POST");
+ request.AppendDataToBody(reinterpret_cast<const char*>(data), length);
+
+ pp::CompletionCallback callback =
+ form_factory_.NewCallback(&Instance::FormDidOpen);
+ form_loader_ = CreateURLLoaderInternal();
+ int rv = form_loader_.Open(request, callback);
+ if (rv != PP_OK_COMPLETIONPENDING)
+ callback.Run(rv);
+}
+
+void Instance::FormDidOpen(int32_t result) {
+ // TODO: inform the user of success/failure.
+ if (result != PP_OK) {
+ NOTREACHED();
+ }
+}
+
+std::string Instance::ShowFileSelectionDialog() {
+ // Seems like very low priority to implement, since the pdf has no way to get
+ // the file data anyways. Javascript doesn't let you do this synchronously.
+ NOTREACHED();
+ return std::string();
+}
+
+pp::URLLoader Instance::CreateURLLoader() {
+ if (full_) {
+ if (!did_call_start_loading_) {
+ did_call_start_loading_ = true;
+ pp::PDF::DidStartLoading(this);
+ }
+
+ // Disable save and print until the document is fully loaded, since they
+ // would generate an incomplete document. Need to do this each time we
+ // call DidStartLoading since that resets the content restrictions.
+ pp::PDF::SetContentRestriction(this, CONTENT_RESTRICTION_SAVE |
+ CONTENT_RESTRICTION_PRINT);
+ }
+
+ return CreateURLLoaderInternal();
+}
+
+void Instance::ScheduleCallback(int id, int delay_in_ms) {
+ pp::CompletionCallback callback =
+ timer_factory_.NewCallback(&Instance::OnClientTimerFired);
+ pp::Module::Get()->core()->CallOnMainThread(delay_in_ms, callback, id);
+}
+
+void Instance::SearchString(const base::char16* string,
+ const base::char16* term,
+ bool case_sensitive,
+ std::vector<SearchStringResult>* results) {
+ if (!pp::PDF::IsAvailable()) {
+ NOTREACHED();
+ return;
+ }
+
+ PP_PrivateFindResult* pp_results;
+ int count = 0;
+ pp::PDF::SearchString(
+ this,
+ reinterpret_cast<const unsigned short*>(string),
+ reinterpret_cast<const unsigned short*>(term),
+ case_sensitive,
+ &pp_results,
+ &count);
+
+ results->resize(count);
+ for (int i = 0; i < count; ++i) {
+ (*results)[i].start_index = pp_results[i].start_index;
+ (*results)[i].length = pp_results[i].length;
+ }
+
+ pp::Memory_Dev memory;
+ memory.MemFree(pp_results);
+}
+
+void Instance::DocumentPaintOccurred() {
+ if (painted_first_page_)
+ return;
+
+ painted_first_page_ = true;
+ UpdateToolbarPosition(false);
+ toolbar_->Splash(kToolbarSplashTimeoutMs);
+
+ if (engine_->GetNumberOfPages() > 1)
+ show_page_indicator_ = true;
+ else
+ show_page_indicator_ = false;
+
+ if (v_scrollbar_.get() && show_page_indicator_) {
+ page_indicator_.set_current_page(GetPageNumberToDisplay());
+ page_indicator_.Splash(kToolbarSplashTimeoutMs,
+ kPageIndicatorInitialFadeTimeoutMs);
+ }
+}
+
+void Instance::DocumentLoadComplete(int page_count) {
+ // Clear focus state for OSK.
+ FormTextFieldFocusChange(false);
+
+ // Update progress control.
+ if (progress_bar_.visible())
+ progress_bar_.Fade(false, kProgressFadeTimeoutMs);
+
+ DCHECK(document_load_state_ == LOAD_STATE_LOADING);
+ document_load_state_ = LOAD_STATE_COMPLETE;
+ UserMetricsRecordAction("PDF.LoadSuccess");
+
+ if (did_call_start_loading_) {
+ pp::PDF::DidStopLoading(this);
+ did_call_start_loading_ = false;
+ }
+
+ if (on_load_callback_.is_string())
+ ExecuteScript(on_load_callback_);
+ // Note: If we are in print preview mode on_load_callback_ might call
+ // ScrollTo{X|Y}() and we don't want to scroll again and override it.
+ // #page=N is not supported in Print Preview.
+ if (!IsPrintPreview()) {
+ int initial_page = GetInitialPage(url_);
+ if (initial_page >= 0)
+ ScrollToPage(initial_page);
+ }
+
+ if (!full_)
+ return;
+ if (!pp::PDF::IsAvailable())
+ return;
+
+ int content_restrictions =
+ CONTENT_RESTRICTION_CUT | CONTENT_RESTRICTION_PASTE;
+ if (!engine_->HasPermission(PDFEngine::PERMISSION_COPY))
+ content_restrictions |= CONTENT_RESTRICTION_COPY;
+
+ if (!engine_->HasPermission(PDFEngine::PERMISSION_PRINT_LOW_QUALITY) &&
+ !engine_->HasPermission(PDFEngine::PERMISSION_PRINT_HIGH_QUALITY)) {
+ printing_enabled_ = false;
+ if (current_tb_info_ == kPDFToolbarButtons) {
+ // Remove Print button.
+ CreateToolbar(kPDFNoPrintToolbarButtons,
+ arraysize(kPDFNoPrintToolbarButtons));
+ UpdateToolbarPosition(false);
+ Invalidate(pp::Rect(plugin_size_));
+ }
+ }
+
+ pp::PDF::SetContentRestriction(this, content_restrictions);
+
+ pp::PDF::HistogramPDFPageCount(this, page_count);
+}
+
+void Instance::RotateClockwise() {
+ engine_->RotateClockwise();
+}
+
+void Instance::RotateCounterclockwise() {
+ engine_->RotateCounterclockwise();
+}
+
+void Instance::PreviewDocumentLoadComplete() {
+ if (preview_document_load_state_ != LOAD_STATE_LOADING ||
+ preview_pages_info_.empty()) {
+ return;
+ }
+
+ preview_document_load_state_ = LOAD_STATE_COMPLETE;
+
+ int dest_page_index = preview_pages_info_.front().second;
+ int src_page_index =
+ ExtractPrintPreviewPageIndex(preview_pages_info_.front().first);
+ if (src_page_index > 0 && dest_page_index > -1 && preview_engine_.get())
+ engine_->AppendPage(preview_engine_.get(), dest_page_index);
+
+ preview_pages_info_.pop();
+ // |print_preview_page_count_| is not updated yet. Do not load any
+ // other preview pages till we get this information.
+ if (print_preview_page_count_ == 0)
+ return;
+
+ if (preview_pages_info_.size())
+ LoadAvailablePreviewPage();
+}
+
+void Instance::DocumentLoadFailed() {
+ DCHECK(document_load_state_ == LOAD_STATE_LOADING);
+ UserMetricsRecordAction("PDF.LoadFailure");
+
+ // Hide progress control.
+ progress_bar_.Fade(false, kProgressFadeTimeoutMs);
+
+ if (did_call_start_loading_) {
+ pp::PDF::DidStopLoading(this);
+ did_call_start_loading_ = false;
+ }
+
+ document_load_state_ = LOAD_STATE_FAILED;
+ paint_manager_.InvalidateRect(pp::Rect(pp::Point(), plugin_size_));
+}
+
+void Instance::PreviewDocumentLoadFailed() {
+ UserMetricsRecordAction("PDF.PreviewDocumentLoadFailure");
+ if (preview_document_load_state_ != LOAD_STATE_LOADING ||
+ preview_pages_info_.empty()) {
+ return;
+ }
+
+ preview_document_load_state_ = LOAD_STATE_FAILED;
+ preview_pages_info_.pop();
+
+ if (preview_pages_info_.size())
+ LoadAvailablePreviewPage();
+}
+
+pp::Instance* Instance::GetPluginInstance() {
+ return GetInstance();
+}
+
+void Instance::DocumentHasUnsupportedFeature(const std::string& feature) {
+ std::string metric("PDF_Unsupported_");
+ metric += feature;
+ if (!unsupported_features_reported_.count(metric)) {
+ unsupported_features_reported_.insert(metric);
+ UserMetricsRecordAction(metric);
+ }
+
+ // Since we use an info bar, only do this for full frame plugins..
+ if (!full_)
+ return;
+
+ if (told_browser_about_unsupported_feature_)
+ return;
+ told_browser_about_unsupported_feature_ = true;
+
+ pp::PDF::HasUnsupportedFeature(this);
+}
+
+void Instance::DocumentLoadProgress(uint32 available, uint32 doc_size) {
+ double progress = 0.0;
+ if (doc_size == 0) {
+ // Document size is unknown. Use heuristics.
+ // We'll make progress logarithmic from 0 to 100M.
+ static const double kFactor = log(100000000.0) / 100.0;
+ if (available > 0) {
+ progress = log(static_cast<double>(available)) / kFactor;
+ if (progress > 100.0)
+ progress = 100.0;
+ }
+ } else {
+ progress = 100.0 * static_cast<double>(available) / doc_size;
+ }
+ progress_bar_.SetProgress(progress);
+}
+
+void Instance::FormTextFieldFocusChange(bool in_focus) {
+ if (!text_input_.get())
+ return;
+ if (in_focus)
+ text_input_->SetTextInputType(PP_TEXTINPUT_TYPE_DEV_TEXT);
+ else
+ text_input_->SetTextInputType(PP_TEXTINPUT_TYPE_DEV_NONE);
+}
+
+// Called by PDFScriptableObject.
+bool Instance::HasScriptableMethod(const pp::Var& method, pp::Var* exception) {
+ std::string method_str = method.AsString();
+ return (method_str == kJSAccessibility ||
+ method_str == kJSDocumentLoadComplete ||
+ method_str == kJSGetHeight ||
+ method_str == kJSGetHorizontalScrollbarThickness ||
+ method_str == kJSGetPageLocationNormalized ||
+ method_str == kJSGetSelectedText ||
+ method_str == kJSGetVerticalScrollbarThickness ||
+ method_str == kJSGetWidth ||
+ method_str == kJSGetZoomLevel ||
+ method_str == kJSGoToPage ||
+ method_str == kJSGrayscale ||
+ method_str == kJSLoadPreviewPage ||
+ method_str == kJSOnLoad ||
+ method_str == kJSOnPluginSizeChanged ||
+ method_str == kJSOnScroll ||
+ method_str == kJSPageXOffset ||
+ method_str == kJSPageYOffset ||
+ method_str == kJSPrintPreviewPageCount ||
+ method_str == kJSReload ||
+ method_str == kJSRemovePrintButton ||
+ method_str == kJSResetPrintPreviewUrl ||
+ method_str == kJSSendKeyEvent ||
+ method_str == kJSSetPageNumbers ||
+ method_str == kJSSetPageXOffset ||
+ method_str == kJSSetPageYOffset ||
+ method_str == kJSSetZoomLevel ||
+ method_str == kJSZoomFitToHeight ||
+ method_str == kJSZoomFitToWidth ||
+ method_str == kJSZoomIn ||
+ method_str == kJSZoomOut);
+}
+
+pp::Var Instance::CallScriptableMethod(const pp::Var& method,
+ const std::vector<pp::Var>& args,
+ pp::Var* exception) {
+ std::string method_str = method.AsString();
+ if (method_str == kJSGrayscale) {
+ if (args.size() == 1 && args[0].is_bool()) {
+ engine_->SetGrayscale(args[0].AsBool());
+ // Redraw
+ paint_manager_.InvalidateRect(pp::Rect(pp::Point(), plugin_size_));
+#ifdef ENABLE_THUMBNAILS
+ if (thumbnails_.visible())
+ thumbnails_.Show(true, true);
+#endif
+ return pp::Var(true);
+ }
+ return pp::Var(false);
+ }
+ if (method_str == kJSOnLoad) {
+ if (args.size() == 1 && args[0].is_string()) {
+ on_load_callback_ = args[0];
+ return pp::Var(true);
+ }
+ return pp::Var(false);
+ }
+ if (method_str == kJSOnScroll) {
+ if (args.size() == 1 && args[0].is_string()) {
+ on_scroll_callback_ = args[0];
+ return pp::Var(true);
+ }
+ return pp::Var(false);
+ }
+ if (method_str == kJSOnPluginSizeChanged) {
+ if (args.size() == 1 && args[0].is_string()) {
+ on_plugin_size_changed_callback_ = args[0];
+ return pp::Var(true);
+ }
+ return pp::Var(false);
+ }
+ if (method_str == kJSReload) {
+ document_load_state_ = LOAD_STATE_LOADING;
+ if (!full_)
+ LoadUrl(url_);
+ preview_engine_.reset();
+ print_preview_page_count_ = 0;
+ engine_.reset(PDFEngine::Create(this));
+ engine_->New(url_.c_str());
+#ifdef ENABLE_THUMBNAILS
+ thumbnails_.ResetEngine(engine_.get());
+#endif
+ return pp::Var();
+ }
+ if (method_str == kJSResetPrintPreviewUrl) {
+ if (args.size() == 1 && args[0].is_string()) {
+ url_ = args[0].AsString();
+ preview_pages_info_ = std::queue<PreviewPageInfo>();
+ preview_document_load_state_ = LOAD_STATE_COMPLETE;
+ }
+ return pp::Var();
+ }
+ if (method_str == kJSZoomFitToHeight) {
+ SetZoom(ZOOM_FIT_TO_PAGE, 0);
+ return pp::Var();
+ }
+ if (method_str == kJSZoomFitToWidth) {
+ SetZoom(ZOOM_FIT_TO_WIDTH, 0);
+ return pp::Var();
+ }
+ if (method_str == kJSZoomIn) {
+ SetZoom(ZOOM_SCALE, CalculateZoom(kZoomInButtonId));
+ return pp::Var();
+ }
+ if (method_str == kJSZoomOut) {
+ SetZoom(ZOOM_SCALE, CalculateZoom(kZoomOutButtonId));
+ return pp::Var();
+ }
+ if (method_str == kJSSetZoomLevel) {
+ if (args.size() == 1 && args[0].is_number())
+ SetZoom(ZOOM_SCALE, args[0].AsDouble());
+ return pp::Var();
+ }
+ if (method_str == kJSGetZoomLevel) {
+ return pp::Var(zoom_);
+ }
+ if (method_str == kJSGetHeight) {
+ return pp::Var(plugin_size_.height());
+ }
+ if (method_str == kJSGetWidth) {
+ return pp::Var(plugin_size_.width());
+ }
+ if (method_str == kJSGetHorizontalScrollbarThickness) {
+ return pp::Var(
+ h_scrollbar_.get() ? GetScrollbarReservedThickness() : 0);
+ }
+ if (method_str == kJSGetVerticalScrollbarThickness) {
+ return pp::Var(
+ v_scrollbar_.get() ? GetScrollbarReservedThickness() : 0);
+ }
+ if (method_str == kJSGetSelectedText) {
+ return GetSelectedText(false);
+ }
+ if (method_str == kJSDocumentLoadComplete) {
+ return pp::Var((document_load_state_ != LOAD_STATE_LOADING));
+ }
+ if (method_str == kJSPageYOffset) {
+ return pp::Var(static_cast<int32_t>(
+ v_scrollbar_.get() ? v_scrollbar_->GetValue() : 0));
+ }
+ if (method_str == kJSSetPageYOffset) {
+ if (args.size() == 1 && args[0].is_number() && v_scrollbar_.get())
+ ScrollToY(GetScaled(args[0].AsInt()));
+ return pp::Var();
+ }
+ if (method_str == kJSPageXOffset) {
+ return pp::Var(static_cast<int32_t>(
+ h_scrollbar_.get() ? h_scrollbar_->GetValue() : 0));
+ }
+ if (method_str == kJSSetPageXOffset) {
+ if (args.size() == 1 && args[0].is_number() && h_scrollbar_.get())
+ ScrollToX(GetScaled(args[0].AsInt()));
+ return pp::Var();
+ }
+ if (method_str == kJSRemovePrintButton) {
+ CreateToolbar(kPrintPreviewToolbarButtons,
+ arraysize(kPrintPreviewToolbarButtons));
+ UpdateToolbarPosition(false);
+ Invalidate(pp::Rect(plugin_size_));
+ return pp::Var();
+ }
+ if (method_str == kJSGoToPage) {
+ if (args.size() == 1 && args[0].is_string()) {
+ ScrollToPage(atoi(args[0].AsString().c_str()));
+ }
+ return pp::Var();
+ }
+ if (method_str == kJSAccessibility) {
+ if (args.size() == 0) {
+ base::DictionaryValue node;
+ node.SetInteger(kAccessibleNumberOfPages, engine_->GetNumberOfPages());
+ node.SetBoolean(kAccessibleLoaded,
+ document_load_state_ != LOAD_STATE_LOADING);
+ bool has_permissions =
+ engine_->HasPermission(PDFEngine::PERMISSION_COPY) ||
+ engine_->HasPermission(PDFEngine::PERMISSION_COPY_ACCESSIBLE);
+ node.SetBoolean(kAccessibleCopyable, has_permissions);
+ std::string json;
+ base::JSONWriter::Write(&node, &json);
+ return pp::Var(json);
+ } else if (args[0].is_number()) {
+ return pp::Var(engine_->GetPageAsJSON(args[0].AsInt()));
+ }
+ }
+ if (method_str == kJSPrintPreviewPageCount) {
+ if (args.size() == 1 && args[0].is_number())
+ SetPrintPreviewMode(args[0].AsInt());
+ return pp::Var();
+ }
+ if (method_str == kJSLoadPreviewPage) {
+ if (args.size() == 2 && args[0].is_string() && args[1].is_number())
+ ProcessPreviewPageInfo(args[0].AsString(), args[1].AsInt());
+ return pp::Var();
+ }
+ if (method_str == kJSGetPageLocationNormalized) {
+ const size_t kMaxLength = 30;
+ char location_info[kMaxLength];
+ int page_idx = engine_->GetMostVisiblePage();
+ if (page_idx < 0)
+ return pp::Var(std::string());
+ pp::Rect rect = engine_->GetPageContentsRect(page_idx);
+ int v_scrollbar_reserved_thickness =
+ v_scrollbar_.get() ? GetScaled(GetScrollbarReservedThickness()) : 0;
+
+ rect.set_x(rect.x() + ((plugin_size_.width() -
+ v_scrollbar_reserved_thickness - available_area_.width()) / 2));
+ base::snprintf(location_info,
+ kMaxLength,
+ "%0.4f;%0.4f;%0.4f;%0.4f;",
+ rect.x() / static_cast<float>(plugin_size_.width()),
+ rect.y() / static_cast<float>(plugin_size_.height()),
+ rect.width() / static_cast<float>(plugin_size_.width()),
+ rect.height()/ static_cast<float>(plugin_size_.height()));
+ return pp::Var(std::string(location_info));
+ }
+ if (method_str == kJSSetPageNumbers) {
+ if (args.size() != 1 || !args[0].is_string())
+ return pp::Var();
+ const int num_pages_signed = engine_->GetNumberOfPages();
+ if (num_pages_signed <= 0)
+ return pp::Var();
+ scoped_ptr<base::ListValue> page_ranges(static_cast<base::ListValue*>(
+ base::JSONReader::Read(args[0].AsString(), false)));
+ const size_t num_pages = static_cast<size_t>(num_pages_signed);
+ if (!page_ranges.get() || page_ranges->GetSize() != num_pages)
+ return pp::Var();
+
+ std::vector<int> print_preview_page_numbers;
+ for (size_t index = 0; index < num_pages; ++index) {
+ int page_number = 0; // |page_number| is 1-based.
+ if (!page_ranges->GetInteger(index, &page_number) || page_number < 1)
+ return pp::Var();
+ print_preview_page_numbers.push_back(page_number);
+ }
+ print_preview_page_numbers_ = print_preview_page_numbers;
+ page_indicator_.set_current_page(GetPageNumberToDisplay());
+ return pp::Var();
+ }
+ // This is here to work around https://bugs.webkit.org/show_bug.cgi?id=16735.
+ // In JS, creating a synthetic keyboard event and dispatching it always
+ // result in a keycode of 0.
+ if (method_str == kJSSendKeyEvent) {
+ if (args.size() == 1 && args[0].is_number()) {
+ pp::KeyboardInputEvent event(
+ this, // instance
+ PP_INPUTEVENT_TYPE_KEYDOWN, // HandleInputEvent only care about this.
+ 0, // timestamp, not used for kbd events.
+ 0, // no modifiers.
+ args[0].AsInt(), // keycode.
+ pp::Var()); // no char text needed.
+ HandleInputEvent(event);
+ }
+ }
+ return pp::Var();
+}
+
+void Instance::OnGeometryChanged(double old_zoom, float old_device_scale) {
+ bool force_no_horizontal_scrollbar = false;
+ int scrollbar_thickness = GetScrollbarThickness();
+
+ if (old_device_scale != device_scale_) {
+ // Change in device scale forces us to recreate resources
+ ConfigureNumberImageGenerator();
+
+ CreateToolbar(current_tb_info_, current_tb_info_size_);
+ // Load autoscroll anchor image.
+ autoscroll_anchor_ =
+ CreateResourceImage(PP_RESOURCEIMAGE_PDF_PAN_SCROLL_ICON);
+
+ ConfigurePageIndicator();
+ ConfigureProgressBar();
+
+ pp::Point scroll_position = engine_->GetScrollPosition();
+ ScalePoint(device_scale_ / old_device_scale, &scroll_position);
+ engine_->SetScrollPosition(scroll_position);
+ }
+
+ UpdateZoomScale();
+ if (zoom_ != old_zoom || device_scale_ != old_device_scale)
+ engine_->ZoomUpdated(zoom_ * device_scale_);
+ if (zoom_ != old_zoom)
+ ZoomChanged(zoom_);
+
+ available_area_ = pp::Rect(plugin_size_);
+ if (GetDocumentPixelHeight() > plugin_size_.height()) {
+ CreateVerticalScrollbar();
+ } else {
+ DestroyVerticalScrollbar();
+ }
+
+ int v_scrollbar_reserved_thickness =
+ v_scrollbar_.get() ? GetScaled(GetScrollbarReservedThickness()) : 0;
+
+ if (!force_no_horizontal_scrollbar &&
+ GetDocumentPixelWidth() >
+ (plugin_size_.width() - v_scrollbar_reserved_thickness)) {
+ CreateHorizontalScrollbar();
+
+ // Adding the horizontal scrollbar now might cause us to need vertical
+ // scrollbars.
+ if (GetDocumentPixelHeight() >
+ plugin_size_.height() - GetScaled(GetScrollbarReservedThickness())) {
+ CreateVerticalScrollbar();
+ }
+
+ } else {
+ DestroyHorizontalScrollbar();
+ }
+
+#ifdef ENABLE_THUMBNAILS
+ int thumbnails_pos = 0, thumbnails_total = 0;
+#endif
+ if (v_scrollbar_.get()) {
+ v_scrollbar_->SetScale(device_scale_);
+ available_area_.set_width(
+ std::max(0, plugin_size_.width() - v_scrollbar_reserved_thickness));
+
+#ifdef ENABLE_THUMBNAILS
+ int height = plugin_size_.height();
+#endif
+ int height_dip = plugin_dip_size_.height();
+
+#if defined(OS_MACOSX)
+ // Before Lion, Mac always had the resize at the bottom. After that, it
+ // never did.
+ if ((base::mac::IsOSSnowLeopard() && full_) ||
+ (base::mac::IsOSLionOrLater() && h_scrollbar_.get())) {
+#else
+ if (h_scrollbar_.get()) {
+#endif // defined(OS_MACOSX)
+#ifdef ENABLE_THUMBNAILS
+ height -= GetScaled(GetScrollbarThickness());
+#endif
+ height_dip -= GetScrollbarThickness();
+ }
+#ifdef ENABLE_THUMBNAILS
+ int32 doc_height = GetDocumentPixelHeight();
+#endif
+ int32 doc_height_dip =
+ static_cast<int32>(GetDocumentPixelHeight() / device_scale_);
+#if defined(OS_MACOSX)
+ // On the Mac we always allow room for the resize button (whose width is
+ // the same as that of the scrollbar) in full mode. However, if there is no
+ // no horizontal scrollbar, the end of the scrollbar will scroll past the
+ // end of the document. This is because the scrollbar assumes that its own
+ // height (in the case of a vscroll bar) is the same as the height of the
+ // viewport. Since the viewport is actually larger, we compensate by
+ // adjusting the document height. Similar logic applies below for the
+ // horizontal scrollbar.
+ // For example, if the document size is 1000, and the viewport size is 200,
+ // then the scrollbar position at the end will be 800. In this case the
+ // viewport is actally 215 (assuming 15 as the scrollbar width) but the
+ // scrollbar thinks it is 200. We want the scrollbar position at the end to
+ // be 785. Making the document size 985 achieves this.
+ if (full_ && !h_scrollbar_.get()) {
+#ifdef ENABLE_THUMBNAILS
+ doc_height -= GetScaled(GetScrollbarThickness());
+#endif
+ doc_height_dip -= GetScrollbarThickness();
+ }
+#endif // defined(OS_MACOSX)
+
+ int32 position;
+ position = v_scrollbar_->GetValue();
+ position = static_cast<int>(position * zoom_ / old_zoom);
+ valid_v_range_ = doc_height_dip - height_dip;
+ if (position > valid_v_range_)
+ position = valid_v_range_;
+
+ v_scrollbar_->SetValue(position);
+
+ PP_Rect loc;
+ loc.point.x = static_cast<int>(available_area_.right() / device_scale_);
+ if (IsOverlayScrollbar())
+ loc.point.x -= scrollbar_thickness;
+ loc.point.y = 0;
+ loc.size.width = scrollbar_thickness;
+ loc.size.height = height_dip;
+ v_scrollbar_->SetLocation(loc);
+ v_scrollbar_->SetDocumentSize(doc_height_dip);
+
+#ifdef ENABLE_THUMBNAILS
+ thumbnails_pos = position;
+ thumbnails_total = doc_height - height;
+#endif
+ }
+
+ if (h_scrollbar_.get()) {
+ h_scrollbar_->SetScale(device_scale_);
+ available_area_.set_height(
+ std::max(0, plugin_size_.height() -
+ GetScaled(GetScrollbarReservedThickness())));
+
+ int width_dip = plugin_dip_size_.width();
+
+ // See note above.
+#if defined(OS_MACOSX)
+ if ((base::mac::IsOSSnowLeopard() && full_) ||
+ (base::mac::IsOSLionOrLater() && v_scrollbar_.get())) {
+#else
+ if (v_scrollbar_.get()) {
+#endif
+ width_dip -= GetScrollbarThickness();
+ }
+ int32 doc_width_dip =
+ static_cast<int32>(GetDocumentPixelWidth() / device_scale_);
+#if defined(OS_MACOSX)
+ // See comment in the above if (v_scrollbar_.get()) block.
+ if (full_ && !v_scrollbar_.get())
+ doc_width_dip -= GetScrollbarThickness();
+#endif // defined(OS_MACOSX)
+
+ int32 position;
+ position = h_scrollbar_->GetValue();
+ position = static_cast<int>(position * zoom_ / old_zoom);
+ position = std::min(position, doc_width_dip - width_dip);
+
+ h_scrollbar_->SetValue(position);
+
+ PP_Rect loc;
+ loc.point.x = 0;
+ loc.point.y = static_cast<int>(available_area_.bottom() / device_scale_);
+ if (IsOverlayScrollbar())
+ loc.point.y -= scrollbar_thickness;
+ loc.size.width = width_dip;
+ loc.size.height = scrollbar_thickness;
+ h_scrollbar_->SetLocation(loc);
+ h_scrollbar_->SetDocumentSize(doc_width_dip);
+ }
+
+ int doc_width = GetDocumentPixelWidth();
+ if (doc_width < available_area_.width()) {
+ available_area_.Offset((available_area_.width() - doc_width) / 2, 0);
+ available_area_.set_width(doc_width);
+ }
+ int doc_height = GetDocumentPixelHeight();
+ if (doc_height < available_area_.height()) {
+ available_area_.set_height(doc_height);
+ }
+
+ // We'll invalidate the entire plugin anyways.
+ UpdateToolbarPosition(false);
+ UpdateProgressBarPosition(false);
+ UpdatePageIndicatorPosition(false);
+
+#ifdef ENABLE_THUMBNAILS
+ // Update thumbnail control position.
+ thumbnails_.SetPosition(thumbnails_pos, thumbnails_total, false);
+ pp::Rect thumbnails_rc(plugin_size_.width() - GetScaled(kThumbnailsWidth), 0,
+ GetScaled(kThumbnailsWidth), plugin_size_.height());
+ if (v_scrollbar_.get())
+ thumbnails_rc.Offset(-v_scrollbar_reserved_thickness, 0);
+ if (h_scrollbar_.get())
+ thumbnails_rc.Inset(0, 0, 0, v_scrollbar_reserved_thickness);
+ thumbnails_.SetRect(thumbnails_rc, false);
+#endif
+
+ CalculateBackgroundParts();
+ engine_->PageOffsetUpdated(available_area_.point());
+ engine_->PluginSizeUpdated(available_area_.size());
+
+ if (!document_size_.GetArea())
+ return;
+ paint_manager_.InvalidateRect(pp::Rect(pp::Point(), plugin_size_));
+
+ // Run the plugin size change callback asynchronously. This function can be
+ // invoked by a layout change which should not re-enter into JS synchronously.
+ pp::CompletionCallback callback =
+ callback_factory_.NewCallback(&Instance::RunCallback,
+ on_plugin_size_changed_callback_);
+ pp::Module::Get()->core()->CallOnMainThread(0, callback);
+}
+
+void Instance::RunCallback(int32_t, pp::Var callback) {
+ if (callback.is_string())
+ ExecuteScript(callback);
+}
+
+void Instance::CreateHorizontalScrollbar() {
+ if (h_scrollbar_.get())
+ return;
+
+ h_scrollbar_.reset(new pp::Scrollbar_Dev(this, false));
+}
+
+void Instance::CreateVerticalScrollbar() {
+ if (v_scrollbar_.get())
+ return;
+
+ v_scrollbar_.reset(new pp::Scrollbar_Dev(this, true));
+}
+
+void Instance::DestroyHorizontalScrollbar() {
+ if (!h_scrollbar_.get())
+ return;
+ if (h_scrollbar_->GetValue())
+ engine_->ScrolledToXPosition(0);
+ h_scrollbar_.reset();
+}
+
+void Instance::DestroyVerticalScrollbar() {
+ if (!v_scrollbar_.get())
+ return;
+ if (v_scrollbar_->GetValue())
+ engine_->ScrolledToYPosition(0);
+ v_scrollbar_.reset();
+ page_indicator_.Show(false, true);
+}
+
+int Instance::GetScrollbarThickness() {
+ if (scrollbar_thickness_ == -1) {
+ pp::Scrollbar_Dev temp_scrollbar(this, false);
+ scrollbar_thickness_ = temp_scrollbar.GetThickness();
+ scrollbar_reserved_thickness_ =
+ temp_scrollbar.IsOverlay() ? 0 : scrollbar_thickness_;
+ }
+
+ return scrollbar_thickness_;
+}
+
+int Instance::GetScrollbarReservedThickness() {
+ GetScrollbarThickness();
+ return scrollbar_reserved_thickness_;
+}
+
+bool Instance::IsOverlayScrollbar() {
+ return GetScrollbarReservedThickness() == 0;
+}
+
+void Instance::CreateToolbar(const ToolbarButtonInfo* tb_info, size_t size) {
+ toolbar_.reset(new FadingControls());
+
+ DCHECK(tb_info);
+ DCHECK(size >= 0);
+
+ // Remember the current toolbar information in case we need to recreate the
+ // images later.
+ current_tb_info_ = tb_info;
+ current_tb_info_size_ = size;
+
+ int max_height = 0;
+ pp::Point origin(kToolbarFadingOffsetLeft, kToolbarFadingOffsetTop);
+ ScalePoint(device_scale_, &origin);
+
+ std::list<Button*> buttons;
+ for (size_t i = 0; i < size; i++) {
+ Button* btn = new Button;
+ pp::ImageData normal_face =
+ CreateResourceImage(tb_info[i].normal);
+ btn->CreateButton(tb_info[i].id,
+ origin,
+ true,
+ toolbar_.get(),
+ tb_info[i].style,
+ normal_face,
+ CreateResourceImage(tb_info[i].highlighted),
+ CreateResourceImage(tb_info[i].pressed));
+ buttons.push_back(btn);
+
+ origin += pp::Point(normal_face.size().width(), 0);
+ max_height = std::max(max_height, normal_face.size().height());
+ }
+
+ pp::Rect rc_toolbar(0, 0,
+ origin.x() + GetToolbarRightOffset(),
+ origin.y() + max_height + GetToolbarBottomOffset());
+ toolbar_->CreateFadingControls(
+ kToolbarId, rc_toolbar, false, this, kTransparentAlpha);
+
+ std::list<Button*>::iterator iter;
+ for (iter = buttons.begin(); iter != buttons.end(); ++iter) {
+ toolbar_->AddControl(*iter);
+ }
+}
+
+int Instance::GetToolbarRightOffset() {
+ int scrollbar_thickness = GetScrollbarThickness();
+ return GetScaled(kToolbarFadingOffsetRight) + 2 * scrollbar_thickness;
+}
+
+int Instance::GetToolbarBottomOffset() {
+ int scrollbar_thickness = GetScrollbarThickness();
+ return GetScaled(kToolbarFadingOffsetBottom) + scrollbar_thickness;
+}
+
+std::vector<pp::ImageData> Instance::GetThumbnailResources() {
+ std::vector<pp::ImageData> num_images(10);
+ num_images[0] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_0);
+ num_images[1] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_1);
+ num_images[2] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_2);
+ num_images[3] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_3);
+ num_images[4] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_4);
+ num_images[5] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_5);
+ num_images[6] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_6);
+ num_images[7] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_7);
+ num_images[8] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_8);
+ num_images[9] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_9);
+ return num_images;
+}
+
+std::vector<pp::ImageData> Instance::GetProgressBarResources(
+ pp::ImageData* background) {
+ std::vector<pp::ImageData> result(9);
+ result[0] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_0);
+ result[1] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_1);
+ result[2] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_2);
+ result[3] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_3);
+ result[4] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_4);
+ result[5] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_5);
+ result[6] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_6);
+ result[7] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_7);
+ result[8] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_8);
+ *background = CreateResourceImage(
+ PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_BACKGROUND);
+ return result;
+}
+
+void Instance::CreatePageIndicator(bool always_visible) {
+ page_indicator_.CreatePageIndicator(kPageIndicatorId, false, this,
+ number_image_generator(), always_visible);
+ ConfigurePageIndicator();
+}
+
+void Instance::ConfigurePageIndicator() {
+ pp::ImageData background =
+ CreateResourceImage(PP_RESOURCEIMAGE_PDF_PAGE_INDICATOR_BACKGROUND);
+ page_indicator_.Configure(pp::Point(), background);
+}
+
+void Instance::CreateProgressBar() {
+ pp::ImageData background;
+ std::vector<pp::ImageData> images = GetProgressBarResources(&background);
+ std::string text = GetLocalizedString(PP_RESOURCESTRING_PDFPROGRESSLOADING);
+ progress_bar_.CreateProgressControl(kProgressBarId, false, this, 0.0,
+ device_scale_, images, background, text);
+}
+
+void Instance::ConfigureProgressBar() {
+ pp::ImageData background;
+ std::vector<pp::ImageData> images = GetProgressBarResources(&background);
+ progress_bar_.Reconfigure(background, images, device_scale_);
+}
+
+void Instance::CreateThumbnails() {
+ thumbnails_.CreateThumbnailControl(
+ kThumbnailsId, pp::Rect(), false, this, engine_.get(),
+ number_image_generator());
+}
+
+void Instance::LoadUrl(const std::string& url) {
+ LoadUrlInternal(url, &embed_loader_, &Instance::DidOpen);
+}
+
+void Instance::LoadPreviewUrl(const std::string& url) {
+ LoadUrlInternal(url, &embed_preview_loader_, &Instance::DidOpenPreview);
+}
+
+void Instance::LoadUrlInternal(const std::string& url, pp::URLLoader* loader,
+ void (Instance::* method)(int32_t)) {
+ pp::URLRequestInfo request(this);
+ request.SetURL(url);
+ request.SetMethod("GET");
+
+ *loader = CreateURLLoaderInternal();
+ pp::CompletionCallback callback = loader_factory_.NewCallback(method);
+ int rv = loader->Open(request, callback);
+ if (rv != PP_OK_COMPLETIONPENDING)
+ callback.Run(rv);
+}
+
+pp::URLLoader Instance::CreateURLLoaderInternal() {
+ pp::URLLoader loader(this);
+
+ const PPB_URLLoaderTrusted* trusted_interface =
+ reinterpret_cast<const PPB_URLLoaderTrusted*>(
+ pp::Module::Get()->GetBrowserInterface(
+ PPB_URLLOADERTRUSTED_INTERFACE));
+ if (trusted_interface)
+ trusted_interface->GrantUniversalAccess(loader.pp_resource());
+ return loader;
+}
+
+int Instance::GetInitialPage(const std::string& url) {
+ size_t found_idx = url.find('#');
+ if (found_idx == std::string::npos)
+ return -1;
+
+ const std::string& ref = url.substr(found_idx + 1);
+ std::vector<std::string> fragments;
+ Tokenize(ref, kDelimiters, &fragments);
+
+ // Page number to return, zero-based.
+ int page = -1;
+
+ // Handle the case of http://foo.com/bar#NAMEDDEST. This is not explicitly
+ // mentioned except by example in the Adobe "PDF Open Parameters" document.
+ if ((fragments.size() == 1) && (fragments[0].find('=') == std::string::npos))
+ return engine_->GetNamedDestinationPage(fragments[0]);
+
+ for (size_t i = 0; i < fragments.size(); ++i) {
+ std::vector<std::string> key_value;
+ base::SplitString(fragments[i], '=', &key_value);
+ if (key_value.size() != 2)
+ continue;
+ const std::string& key = key_value[0];
+ const std::string& value = key_value[1];
+
+ if (base::strcasecmp(kPage, key.c_str()) == 0) {
+ // |page_value| is 1-based.
+ int page_value = -1;
+ if (base::StringToInt(value, &page_value) && page_value > 0)
+ page = page_value - 1;
+ continue;
+ }
+ if (base::strcasecmp(kNamedDest, key.c_str()) == 0) {
+ // |page_value| is 0-based.
+ int page_value = engine_->GetNamedDestinationPage(value);
+ if (page_value >= 0)
+ page = page_value;
+ continue;
+ }
+ }
+ return page;
+}
+
+void Instance::UpdateToolbarPosition(bool invalidate) {
+ pp::Rect ctrl_rc = toolbar_->GetControlsRect();
+ int min_toolbar_width = ctrl_rc.width() + GetToolbarRightOffset() +
+ GetScaled(kToolbarFadingOffsetLeft);
+ int min_toolbar_height = ctrl_rc.width() + GetToolbarBottomOffset() +
+ GetScaled(kToolbarFadingOffsetBottom);
+
+ // Update toolbar position
+ if (plugin_size_.width() < min_toolbar_width ||
+ plugin_size_.height() < min_toolbar_height) {
+ // Disable toolbar if it does not fit on the screen.
+ toolbar_->Show(false, invalidate);
+ } else {
+ pp::Point offset(
+ plugin_size_.width() - GetToolbarRightOffset() - ctrl_rc.right(),
+ plugin_size_.height() - GetToolbarBottomOffset() - ctrl_rc.bottom());
+ toolbar_->MoveBy(offset, invalidate);
+
+ int toolbar_width = std::max(plugin_size_.width() / 2, min_toolbar_width);
+ toolbar_->ExpandLeft(toolbar_width - toolbar_->rect().width());
+ toolbar_->Show(painted_first_page_, invalidate);
+ }
+}
+
+void Instance::UpdateProgressBarPosition(bool invalidate) {
+ // TODO(gene): verify we don't overlap with toolbar.
+ int scrollbar_thickness = GetScrollbarThickness();
+ pp::Point progress_origin(
+ scrollbar_thickness + GetScaled(kProgressOffsetLeft),
+ plugin_size_.height() - progress_bar_.rect().height() -
+ scrollbar_thickness - GetScaled(kProgressOffsetBottom));
+ progress_bar_.MoveTo(progress_origin, invalidate);
+}
+
+void Instance::UpdatePageIndicatorPosition(bool invalidate) {
+ int32 doc_height = static_cast<int>(document_size_.height() * zoom_);
+ pp::Point origin(
+ plugin_size_.width() - page_indicator_.rect().width() -
+ GetScaled(GetScrollbarReservedThickness()),
+ page_indicator_.GetYPosition(engine_->GetVerticalScrollbarYPosition(),
+ doc_height, plugin_size_.height()));
+ page_indicator_.MoveTo(origin, invalidate);
+}
+
+void Instance::SetZoom(ZoomMode zoom_mode, double scale) {
+ double old_zoom = zoom_;
+
+ zoom_mode_ = zoom_mode;
+ if (zoom_mode_ == ZOOM_SCALE)
+ zoom_ = scale;
+ UpdateZoomScale();
+
+ engine_->ZoomUpdated(zoom_ * device_scale_);
+ OnGeometryChanged(old_zoom, device_scale_);
+
+ // If fit-to-height, snap to the beginning of the most visible page.
+ if (zoom_mode_ == ZOOM_FIT_TO_PAGE) {
+ ScrollToPage(engine_->GetMostVisiblePage());
+ }
+
+ // Update sticky buttons to the current zoom style.
+ Button* ftp_btn = static_cast<Button*>(
+ toolbar_->GetControl(kFitToPageButtonId));
+ Button* ftw_btn = static_cast<Button*>(
+ toolbar_->GetControl(kFitToWidthButtonId));
+ switch (zoom_mode_) {
+ case ZOOM_FIT_TO_PAGE:
+ ftp_btn->SetPressedState(true);
+ ftw_btn->SetPressedState(false);
+ break;
+ case ZOOM_FIT_TO_WIDTH:
+ ftw_btn->SetPressedState(true);
+ ftp_btn->SetPressedState(false);
+ break;
+ default:
+ ftw_btn->SetPressedState(false);
+ ftp_btn->SetPressedState(false);
+ }
+}
+
+void Instance::UpdateZoomScale() {
+ switch (zoom_mode_) {
+ case ZOOM_SCALE:
+ break; // Keep current scale.
+ case ZOOM_FIT_TO_PAGE: {
+ int page_num = engine_->GetFirstVisiblePage();
+ if (page_num == -1)
+ break;
+ pp::Rect rc = engine_->GetPageRect(page_num);
+ if (!rc.height())
+ break;
+ // Calculate fit to width zoom level.
+ double ftw_zoom = static_cast<double>(plugin_dip_size_.width() -
+ GetScrollbarReservedThickness()) / document_size_.width();
+ // Calculate fit to height zoom level. If document will not fit
+ // horizontally, adjust zoom level to allow space for horizontal
+ // scrollbar.
+ double fth_zoom =
+ static_cast<double>(plugin_dip_size_.height()) / rc.height();
+ if (fth_zoom * document_size_.width() >
+ plugin_dip_size_.width() - GetScrollbarReservedThickness())
+ fth_zoom = static_cast<double>(plugin_dip_size_.height()
+ - GetScrollbarReservedThickness()) / rc.height();
+ zoom_ = std::min(ftw_zoom, fth_zoom);
+ } break;
+ case ZOOM_FIT_TO_WIDTH:
+ case ZOOM_AUTO:
+ if (!document_size_.width())
+ break;
+ zoom_ = static_cast<double>(plugin_dip_size_.width() -
+ GetScrollbarReservedThickness()) / document_size_.width();
+ if (zoom_mode_ == ZOOM_AUTO && zoom_ > 1.0)
+ zoom_ = 1.0;
+ break;
+ }
+ zoom_ = ClipToRange(zoom_, kMinZoom, kMaxZoom);
+}
+
+double Instance::CalculateZoom(uint32 control_id) const {
+ if (control_id == kZoomInButtonId) {
+ for (size_t i = 0; i < chrome_page_zoom::kPresetZoomFactorsSize; ++i) {
+ double current_zoom = chrome_page_zoom::kPresetZoomFactors[i];
+ if (current_zoom - content::kEpsilon > zoom_)
+ return current_zoom;
+ }
+ } else {
+ for (size_t i = chrome_page_zoom::kPresetZoomFactorsSize; i > 0; --i) {
+ double current_zoom = chrome_page_zoom::kPresetZoomFactors[i - 1];
+ if (current_zoom + content::kEpsilon < zoom_)
+ return current_zoom;
+ }
+ }
+ return zoom_;
+}
+
+pp::ImageData Instance::CreateResourceImage(PP_ResourceImage image_id) {
+ pp::ImageData resource_data;
+ if (hidpi_enabled_) {
+ resource_data =
+ pp::PDF::GetResourceImageForScale(this, image_id, device_scale_);
+ }
+
+ return resource_data.data() ? resource_data
+ : pp::PDF::GetResourceImage(this, image_id);
+}
+
+std::string Instance::GetLocalizedString(PP_ResourceString id) {
+ pp::Var rv(pp::PDF::GetLocalizedString(this, id));
+ if (!rv.is_string())
+ return std::string();
+
+ return rv.AsString();
+}
+
+void Instance::DrawText(const pp::Point& top_center, PP_ResourceString id) {
+ std::string str(GetLocalizedString(id));
+
+ pp::FontDescription_Dev description;
+ description.set_family(PP_FONTFAMILY_SANSSERIF);
+ description.set_size(kMessageTextSize * device_scale_);
+ pp::Font_Dev font(this, description);
+ int length = font.MeasureSimpleText(str);
+ pp::Point point(top_center);
+ point.set_x(point.x() - length / 2);
+ DCHECK(!image_data_.is_null());
+ font.DrawSimpleText(&image_data_, str, point, kMessageTextColor);
+}
+
+void Instance::SetPrintPreviewMode(int page_count) {
+ if (!IsPrintPreview() || page_count <= 0) {
+ print_preview_page_count_ = 0;
+ return;
+ }
+
+ print_preview_page_count_ = page_count;
+ ScrollToPage(0);
+ engine_->AppendBlankPages(print_preview_page_count_);
+ if (preview_pages_info_.size() > 0)
+ LoadAvailablePreviewPage();
+}
+
+bool Instance::IsPrintPreview() {
+ return IsPrintPreviewUrl(url_);
+}
+
+int Instance::GetPageNumberToDisplay() {
+ int page = engine_->GetMostVisiblePage();
+ if (IsPrintPreview() && !print_preview_page_numbers_.empty()) {
+ page = ClipToRange<int>(page, 0, print_preview_page_numbers_.size() - 1);
+ return print_preview_page_numbers_[page];
+ }
+ return page + 1;
+}
+
+void Instance::ProcessPreviewPageInfo(const std::string& url,
+ int dst_page_index) {
+ if (!IsPrintPreview() || print_preview_page_count_ < 0)
+ return;
+
+ int src_page_index = ExtractPrintPreviewPageIndex(url);
+ if (src_page_index < 1)
+ return;
+
+ preview_pages_info_.push(std::make_pair(url, dst_page_index));
+ LoadAvailablePreviewPage();
+}
+
+void Instance::LoadAvailablePreviewPage() {
+ if (preview_pages_info_.size() <= 0)
+ return;
+
+ std::string url = preview_pages_info_.front().first;
+ int dst_page_index = preview_pages_info_.front().second;
+ int src_page_index = ExtractPrintPreviewPageIndex(url);
+ if (src_page_index < 1 ||
+ dst_page_index >= print_preview_page_count_ ||
+ preview_document_load_state_ == LOAD_STATE_LOADING) {
+ return;
+ }
+
+ preview_document_load_state_ = LOAD_STATE_LOADING;
+ LoadPreviewUrl(url);
+}
+
+void Instance::EnableAutoscroll(const pp::Point& origin) {
+ if (is_autoscroll_)
+ return;
+
+ pp::Size client_size = plugin_size_;
+ if (v_scrollbar_.get())
+ client_size.Enlarge(-GetScrollbarThickness(), 0);
+ if (h_scrollbar_.get())
+ client_size.Enlarge(0, -GetScrollbarThickness());
+
+ // Do not allow autoscroll if client area is too small.
+ if (autoscroll_anchor_.size().width() > client_size.width() ||
+ autoscroll_anchor_.size().height() > client_size.height())
+ return;
+
+ autoscroll_rect_ = pp::Rect(
+ pp::Point(origin.x() - autoscroll_anchor_.size().width() / 2,
+ origin.y() - autoscroll_anchor_.size().height() / 2),
+ autoscroll_anchor_.size());
+
+ // Make sure autoscroll anchor is in the client area.
+ if (autoscroll_rect_.right() > client_size.width()) {
+ autoscroll_rect_.set_x(
+ client_size.width() - autoscroll_anchor_.size().width());
+ }
+ if (autoscroll_rect_.bottom() > client_size.height()) {
+ autoscroll_rect_.set_y(
+ client_size.height() - autoscroll_anchor_.size().height());
+ }
+
+ if (autoscroll_rect_.x() < 0)
+ autoscroll_rect_.set_x(0);
+ if (autoscroll_rect_.y() < 0)
+ autoscroll_rect_.set_y(0);
+
+ is_autoscroll_ = true;
+ Invalidate(kAutoScrollId, autoscroll_rect_);
+
+ ScheduleTimer(kAutoScrollId, kAutoScrollTimeoutMs);
+}
+
+void Instance::DisableAutoscroll() {
+ if (is_autoscroll_) {
+ is_autoscroll_ = false;
+ Invalidate(kAutoScrollId, autoscroll_rect_);
+ }
+}
+
+PP_CursorType_Dev Instance::CalculateAutoscroll(const pp::Point& mouse_pos) {
+ // Scroll only if mouse pointer is outside of the anchor area.
+ if (autoscroll_rect_.Contains(mouse_pos)) {
+ autoscroll_x_ = 0;
+ autoscroll_y_ = 0;
+ return PP_CURSORTYPE_MIDDLEPANNING;
+ }
+
+ // Relative position to the center of anchor area.
+ pp::Point rel_pos = mouse_pos - autoscroll_rect_.CenterPoint();
+
+ // Calculate angle from the X axis. Angle is in range from -pi to pi.
+ double angle = atan2(static_cast<double>(rel_pos.y()),
+ static_cast<double>(rel_pos.x()));
+
+ autoscroll_x_ = rel_pos.x() * kAutoScrollFactor;
+ autoscroll_y_ = rel_pos.y() * kAutoScrollFactor;
+
+ // Angle is from -pi to pi. Screen Y is increasing toward bottom,
+ // so negative angle represent north direction.
+ if (angle < - (M_PI * 7.0 / 8.0)) {
+ // going west
+ return PP_CURSORTYPE_WESTPANNING;
+ } else if (angle < - (M_PI * 5.0 / 8.0)) {
+ // going north-west
+ return PP_CURSORTYPE_NORTHWESTPANNING;
+ } else if (angle < - (M_PI * 3.0 / 8.0)) {
+ // going north.
+ return PP_CURSORTYPE_NORTHPANNING;
+ } else if (angle < - (M_PI * 1.0 / 8.0)) {
+ // going north-east
+ return PP_CURSORTYPE_NORTHEASTPANNING;
+ } else if (angle < M_PI * 1.0 / 8.0) {
+ // going east.
+ return PP_CURSORTYPE_EASTPANNING;
+ } else if (angle < M_PI * 3.0 / 8.0) {
+ // going south-east
+ return PP_CURSORTYPE_SOUTHEASTPANNING;
+ } else if (angle < M_PI * 5.0 / 8.0) {
+ // going south.
+ return PP_CURSORTYPE_SOUTHPANNING;
+ } else if (angle < M_PI * 7.0 / 8.0) {
+ // going south-west
+ return PP_CURSORTYPE_SOUTHWESTPANNING;
+ }
+
+ // went around the circle, going west again
+ return PP_CURSORTYPE_WESTPANNING;
+}
+
+void Instance::ConfigureNumberImageGenerator() {
+ std::vector<pp::ImageData> num_images = GetThumbnailResources();
+ pp::ImageData number_background = CreateResourceImage(
+ PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_NUM_BACKGROUND);
+ number_image_generator_->Configure(number_background,
+ num_images,
+ device_scale_);
+}
+
+NumberImageGenerator* Instance::number_image_generator() {
+ if (!number_image_generator_.get()) {
+ number_image_generator_.reset(new NumberImageGenerator(this));
+ ConfigureNumberImageGenerator();
+ }
+ return number_image_generator_.get();
+}
+
+int Instance::GetScaled(int x) const {
+ return static_cast<int>(x * device_scale_);
+}
+
+void Instance::UserMetricsRecordAction(const std::string& action) {
+ pp::PDF::UserMetricsRecordAction(this, pp::Var(action));
+}
+
+PDFScriptableObject::PDFScriptableObject(Instance* instance)
+ : instance_(instance) {
+}
+
+PDFScriptableObject::~PDFScriptableObject() {
+}
+
+bool PDFScriptableObject::HasMethod(const pp::Var& name, pp::Var* exception) {
+ return instance_->HasScriptableMethod(name, exception);
+}
+
+pp::Var PDFScriptableObject::Call(const pp::Var& method,
+ const std::vector<pp::Var>& args,
+ pp::Var* exception) {
+ return instance_->CallScriptableMethod(method, args, exception);
+}
+
+} // namespace chrome_pdf
diff --git a/xfa_test/pdf/instance.h b/xfa_test/pdf/instance.h
new file mode 100644
index 0000000000..d39ba407c9
--- /dev/null
+++ b/xfa_test/pdf/instance.h
@@ -0,0 +1,531 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PDF_INSTANCE_H_
+#define PDF_INSTANCE_H_
+
+#include <queue>
+#include <set>
+#include <string>
+#include <utility>
+#include <vector>
+
+#include "base/memory/scoped_ptr.h"
+#include "pdf/button.h"
+#include "pdf/fading_controls.h"
+#include "pdf/page_indicator.h"
+#include "pdf/paint_manager.h"
+#include "pdf/pdf_engine.h"
+#include "pdf/preview_mode_client.h"
+#include "pdf/progress_control.h"
+#include "pdf/thumbnail_control.h"
+
+#include "ppapi/c/private/ppb_pdf.h"
+#include "ppapi/cpp/dev/printing_dev.h"
+#include "ppapi/cpp/dev/scriptable_object_deprecated.h"
+#include "ppapi/cpp/dev/scrollbar_dev.h"
+#include "ppapi/cpp/dev/selection_dev.h"
+#include "ppapi/cpp/dev/widget_client_dev.h"
+#include "ppapi/cpp/dev/zoom_dev.h"
+#include "ppapi/cpp/graphics_2d.h"
+#include "ppapi/cpp/image_data.h"
+#include "ppapi/cpp/input_event.h"
+#include "ppapi/cpp/private/find_private.h"
+#include "ppapi/cpp/private/instance_private.h"
+#include "ppapi/cpp/private/var_private.h"
+#include "ppapi/cpp/url_loader.h"
+#include "ppapi/utility/completion_callback_factory.h"
+
+namespace pp {
+class TextInput_Dev;
+}
+
+namespace chrome_pdf {
+
+struct ToolbarButtonInfo;
+
+class Instance : public pp::InstancePrivate,
+ public pp::Find_Private,
+ public pp::Printing_Dev,
+ public pp::Selection_Dev,
+ public pp::WidgetClient_Dev,
+ public pp::Zoom_Dev,
+ public PaintManager::Client,
+ public PDFEngine::Client,
+ public PreviewModeClient::Client,
+ public ControlOwner {
+ public:
+ explicit Instance(PP_Instance instance);
+ virtual ~Instance();
+
+ // pp::Instance implementation.
+ virtual bool Init(uint32_t argc,
+ const char* argn[],
+ const char* argv[]) override;
+ virtual bool HandleDocumentLoad(const pp::URLLoader& loader) override;
+ virtual bool HandleInputEvent(const pp::InputEvent& event) override;
+ virtual void DidChangeView(const pp::View& view) override;
+ virtual pp::Var GetInstanceObject() override;
+
+ // pp::Find_Private implementation.
+ virtual bool StartFind(const std::string& text, bool case_sensitive) override;
+ virtual void SelectFindResult(bool forward) override;
+ virtual void StopFind() override;
+
+ // pp::PaintManager::Client implementation.
+ virtual void OnPaint(const std::vector<pp::Rect>& paint_rects,
+ std::vector<PaintManager::ReadyRect>* ready,
+ std::vector<pp::Rect>* pending) override;
+
+ // pp::Printing_Dev implementation.
+ virtual uint32_t QuerySupportedPrintOutputFormats() override;
+ virtual int32_t PrintBegin(
+ const PP_PrintSettings_Dev& print_settings) override;
+ virtual pp::Resource PrintPages(
+ const PP_PrintPageNumberRange_Dev* page_ranges,
+ uint32_t page_range_count) override;
+ virtual void PrintEnd() override;
+ virtual bool IsPrintScalingDisabled() override;
+
+ // pp::Private implementation.
+ virtual pp::Var GetLinkAtPosition(const pp::Point& point);
+
+ // PPP_Selection_Dev implementation.
+ virtual pp::Var GetSelectedText(bool html) override;
+
+ // WidgetClient_Dev implementation.
+ virtual void InvalidateWidget(pp::Widget_Dev widget,
+ const pp::Rect& dirty_rect) override;
+ virtual void ScrollbarValueChanged(pp::Scrollbar_Dev scrollbar,
+ uint32_t value) override;
+ virtual void ScrollbarOverlayChanged(pp::Scrollbar_Dev scrollbar,
+ bool overlay) override;
+
+ // pp::Zoom_Dev implementation.
+ virtual void Zoom(double scale, bool text_only) override;
+ void ZoomChanged(double factor); // Override.
+
+ void FlushCallback(int32_t result);
+ void DidOpen(int32_t result);
+ void DidOpenPreview(int32_t result);
+ // If the given widget intersects the rectangle, paints it and adds the
+ // rect to ready.
+ void PaintIfWidgetIntersects(pp::Widget_Dev* widget,
+ const pp::Rect& rect,
+ std::vector<PaintManager::ReadyRect>* ready,
+ std::vector<pp::Rect>* pending);
+
+ // Called when the timer is fired.
+ void OnTimerFired(int32_t);
+ void OnClientTimerFired(int32_t id);
+
+ // Called when the control timer is fired.
+ void OnControlTimerFired(int32_t,
+ const uint32& control_id,
+ const uint32& timer_id);
+
+ // Called to print without re-entrancy issues.
+ void OnPrint(int32_t);
+
+ // PDFEngine::Client implementation.
+ virtual void DocumentSizeUpdated(const pp::Size& size);
+ virtual void Invalidate(const pp::Rect& rect);
+ virtual void Scroll(const pp::Point& point);
+ virtual void ScrollToX(int position);
+ virtual void ScrollToY(int position);
+ virtual void ScrollToPage(int page);
+ virtual void NavigateTo(const std::string& url, bool open_in_new_tab);
+ virtual void UpdateCursor(PP_CursorType_Dev cursor);
+ virtual void UpdateTickMarks(const std::vector<pp::Rect>& tickmarks);
+ virtual void NotifyNumberOfFindResultsChanged(int total, bool final_result);
+ virtual void NotifySelectedFindResultChanged(int current_find_index);
+ virtual void GetDocumentPassword(
+ pp::CompletionCallbackWithOutput<pp::Var> callback);
+ virtual void Alert(const std::string& message);
+ virtual bool Confirm(const std::string& message);
+ virtual std::string Prompt(const std::string& question,
+ const std::string& default_answer);
+ virtual std::string GetURL();
+ virtual void Email(const std::string& to,
+ const std::string& cc,
+ const std::string& bcc,
+ const std::string& subject,
+ const std::string& body);
+ virtual void Print();
+ virtual void SubmitForm(const std::string& url,
+ const void* data,
+ int length);
+ virtual std::string ShowFileSelectionDialog();
+ virtual pp::URLLoader CreateURLLoader();
+ virtual void ScheduleCallback(int id, int delay_in_ms);
+ virtual void SearchString(const base::char16* string,
+ const base::char16* term,
+ bool case_sensitive,
+ std::vector<SearchStringResult>* results);
+ virtual void DocumentPaintOccurred();
+ virtual void DocumentLoadComplete(int page_count);
+ virtual void DocumentLoadFailed();
+ virtual pp::Instance* GetPluginInstance();
+ virtual void DocumentHasUnsupportedFeature(const std::string& feature);
+ virtual void DocumentLoadProgress(uint32 available, uint32 doc_size);
+ virtual void FormTextFieldFocusChange(bool in_focus);
+ virtual bool IsPrintPreview();
+
+ // ControlOwner implementation.
+ virtual void OnEvent(uint32 control_id, uint32 event_id, void* data);
+ virtual void Invalidate(uint32 control_id, const pp::Rect& rc);
+ virtual uint32 ScheduleTimer(uint32 control_id, uint32 timeout_ms);
+ virtual void SetEventCapture(uint32 control_id, bool set_capture);
+ virtual void SetCursor(uint32 control_id, PP_CursorType_Dev cursor_type);
+ virtual pp::Instance* GetInstance();
+
+ bool dont_paint() const { return dont_paint_; }
+ void set_dont_paint(bool dont_paint) { dont_paint_ = dont_paint; }
+
+ // Called by PDFScriptableObject.
+ bool HasScriptableMethod(const pp::Var& method, pp::Var* exception);
+ pp::Var CallScriptableMethod(const pp::Var& method,
+ const std::vector<pp::Var>& args,
+ pp::Var* exception);
+
+ // PreviewModeClient::Client implementation.
+ virtual void PreviewDocumentLoadComplete() override;
+ virtual void PreviewDocumentLoadFailed() override;
+
+ // Helper functions for implementing PPP_PDF.
+ void RotateClockwise();
+ void RotateCounterclockwise();
+
+ private:
+ // Called whenever the plugin geometry changes to update the location of the
+ // scrollbars, background parts, and notifies the pdf engine.
+ void OnGeometryChanged(double old_zoom, float old_device_scale);
+
+ // Runs the given JS callback given in |callback|.
+ void RunCallback(int32_t, pp::Var callback);
+
+ void CreateHorizontalScrollbar();
+ void CreateVerticalScrollbar();
+ void DestroyHorizontalScrollbar();
+ void DestroyVerticalScrollbar();
+
+ // Returns the thickness of a scrollbar. This returns the thickness when it's
+ // shown, so for overlay scrollbars it'll still be non-zero.
+ int GetScrollbarThickness();
+
+ // Returns the space we need to reserve for the scrollbar in the plugin area.
+ // If overlay scrollbars are used, this will be 0.
+ int GetScrollbarReservedThickness();
+
+ // Returns true if overlay scrollbars are in use.
+ bool IsOverlayScrollbar();
+
+ // Figures out the location of any background rectangles (i.e. those that
+ // aren't painted by the PDF engine).
+ void CalculateBackgroundParts();
+
+ // Computes document width/height in device pixels, based on current zoom and
+ // device scale
+ int GetDocumentPixelWidth() const;
+ int GetDocumentPixelHeight() const;
+
+ // Draws a rectangle with the specified dimensions and color in our buffer.
+ void FillRect(const pp::Rect& rect, uint32 color);
+
+ std::vector<pp::ImageData> GetThumbnailResources();
+ std::vector<pp::ImageData> GetProgressBarResources(pp::ImageData* background);
+
+ void CreateToolbar(const ToolbarButtonInfo* tb_info, size_t size);
+ int GetToolbarRightOffset();
+ int GetToolbarBottomOffset();
+ void CreateProgressBar();
+ void ConfigureProgressBar();
+ void CreateThumbnails();
+ void CreatePageIndicator(bool always_visible);
+ void ConfigurePageIndicator();
+
+ void PaintOverlayControl(Control* ctrl,
+ pp::ImageData* image_data,
+ std::vector<PaintManager::ReadyRect>* ready);
+
+ void LoadUrl(const std::string& url);
+ void LoadPreviewUrl(const std::string& url);
+ void LoadUrlInternal(const std::string& url, pp::URLLoader* loader,
+ void (Instance::* method)(int32_t));
+
+ // Creates a URL loader and allows it to access all urls, i.e. not just the
+ // frame's origin.
+ pp::URLLoader CreateURLLoaderInternal();
+
+ // Figure out the initial page to display based on #page=N and #nameddest=foo
+ // in the |url_|.
+ // Returns -1 if there is no valid fragment. The returned value is 0-based,
+ // whereas page=N is 1-based.
+ int GetInitialPage(const std::string& url);
+
+ void UpdateToolbarPosition(bool invalidate);
+ void UpdateProgressBarPosition(bool invalidate);
+ void UpdatePageIndicatorPosition(bool invalidate);
+
+ void FormDidOpen(int32_t result);
+
+ std::string GetLocalizedString(PP_ResourceString id);
+
+ void UserMetricsRecordAction(const std::string& action);
+
+ void SaveAs();
+
+ enum ZoomMode {
+ ZOOM_SCALE, // Standard zooming mode, resize will not affect it.
+ ZOOM_FIT_TO_WIDTH, // Maintain fit to width on resize.
+ ZOOM_FIT_TO_PAGE, // Maintain fit to page on resize.
+ ZOOM_AUTO // Maintain the default auto fitting mode on resize.
+ };
+
+ enum DocumentLoadState {
+ LOAD_STATE_LOADING,
+ LOAD_STATE_COMPLETE,
+ LOAD_STATE_FAILED,
+ };
+
+ // Set new zoom mode and scale. Scale will be ignored if mode != ZOOM_SCALE.
+ void SetZoom(ZoomMode zoom_mode, double scale);
+
+ // Updates internal zoom scale based on the plugin/document geometry and
+ // current mode.
+ void UpdateZoomScale();
+
+ // Simulates how Chrome "snaps" zooming up/down to the next nearest zoom level
+ // when the previous zoom level wasn't an integer. We do this so that
+ // pressing the zoom buttons has the same effect as the menu buttons, even if
+ // we start from a non-standard zoom level because of fit-width or fit-height.
+ double CalculateZoom(uint32 control_id) const;
+
+ pp::ImageData CreateResourceImage(PP_ResourceImage image_id);
+
+ void DrawText(const pp::Point& top_center, PP_ResourceString id);
+
+ // Set print preview mode, where the current PDF document is reduced to
+ // only one page, and then extended to |page_count| pages with
+ // |page_count| - 1 blank pages.
+ void SetPrintPreviewMode(int page_count);
+
+ // Returns the page number to be displayed in the page indicator. If the
+ // plugin is running within print preview, the displayed number might be
+ // different from the index of the displayed page.
+ int GetPageNumberToDisplay();
+
+ // Process the preview page data information. |src_url| specifies the preview
+ // page data location. The |src_url| is in the format:
+ // chrome://print/id/page_number/print.pdf
+ // |dst_page_index| specifies the blank page index that needs to be replaced
+ // with the new page data.
+ void ProcessPreviewPageInfo(const std::string& src_url, int dst_page_index);
+ // Load the next available preview page into the blank page.
+ void LoadAvailablePreviewPage();
+
+ // Enables autoscroll using origin as a neutral (center) point.
+ void EnableAutoscroll(const pp::Point& origin);
+ // Disables autoscroll and returns to normal functionality.
+ void DisableAutoscroll();
+ // Calculate autoscroll info and return proper mouse pointer and scroll
+ // andjustments.
+ PP_CursorType_Dev CalculateAutoscroll(const pp::Point& mouse_pos);
+
+ void ConfigureNumberImageGenerator();
+
+ NumberImageGenerator* number_image_generator();
+
+ int GetScaled(int x) const;
+
+ pp::ImageData image_data_;
+ // Used when the plugin is embedded in a page and we have to create the loader
+ // ourself.
+ pp::CompletionCallbackFactory<Instance> loader_factory_;
+ pp::URLLoader embed_loader_;
+ pp::URLLoader embed_preview_loader_;
+
+ scoped_ptr<pp::Scrollbar_Dev> h_scrollbar_;
+ scoped_ptr<pp::Scrollbar_Dev> v_scrollbar_;
+ int32 valid_v_range_;
+
+ PP_CursorType_Dev cursor_; // The current cursor.
+
+ // Used when selecting and dragging beyond the visible portion, in which case
+ // we want to scroll the document.
+ bool timer_pending_;
+ pp::MouseInputEvent last_mouse_event_;
+ pp::CompletionCallbackFactory<Instance> timer_factory_;
+ uint32 current_timer_id_;
+
+ // Size, in pixels, of plugin rectangle.
+ pp::Size plugin_size_;
+ // Size, in DIPs, of plugin rectangle.
+ pp::Size plugin_dip_size_;
+ // Remaining area, in pixels, to render the pdf in after accounting for
+ // scrollbars/toolbars and horizontal centering.
+ pp::Rect available_area_;
+ // Size of entire document in pixels (i.e. if each page is 800 pixels high and
+ // there are 10 pages, the height will be 8000).
+ pp::Size document_size_;
+
+ double zoom_; // Current zoom factor.
+
+ float device_scale_; // Current device scale factor.
+ bool printing_enabled_;
+ bool hidpi_enabled_;
+ // True if the plugin is full-page.
+ bool full_;
+ // Zooming mode (none, fit to width, fit to height)
+ ZoomMode zoom_mode_;
+
+ // If true, this means we told the RenderView that we're starting a network
+ // request so that it can start the throbber. We will tell it again once the
+ // document finishes loading.
+ bool did_call_start_loading_;
+
+ // Hold off on painting invalidated requests while this flag is true.
+ bool dont_paint_;
+
+ // Indicates if plugin is in autoscroll mode.
+ bool is_autoscroll_;
+ // Rect for autoscroll anchor.
+ pp::Rect autoscroll_rect_;
+ // Image of the autoscroll anchor and its background.
+ pp::ImageData autoscroll_anchor_;
+ // Autoscrolling deltas in pixels.
+ int autoscroll_x_;
+ int autoscroll_y_;
+
+ // Thickness of a scrollbar.
+ int scrollbar_thickness_;
+
+ // Reserved thickness of a scrollbar. This is how much space the scrollbar
+ // takes from the available area. 0 for overlay.
+ int scrollbar_reserved_thickness_;
+
+ // Used to remember which toolbar is in use
+ const ToolbarButtonInfo* current_tb_info_;
+ size_t current_tb_info_size_;
+
+ PaintManager paint_manager_;
+
+ struct BackgroundPart {
+ pp::Rect location;
+ uint32 color;
+ };
+ std::vector<BackgroundPart> background_parts_;
+
+ struct PrintSettings {
+ PrintSettings() {
+ Clear();
+ }
+ void Clear() {
+ is_printing = false;
+ print_pages_called_ = false;
+ memset(&pepper_print_settings, 0, sizeof(pepper_print_settings));
+ }
+ // This is set to true when PrintBegin is called and false when PrintEnd is
+ // called.
+ bool is_printing;
+ // To know whether this was an actual print operation, so we don't double
+ // count UMA logging.
+ bool print_pages_called_;
+ PP_PrintSettings_Dev pepper_print_settings;
+ };
+
+ PrintSettings print_settings_;
+
+ scoped_ptr<PDFEngine> engine_;
+
+ // This engine is used to render the individual preview page data. This is
+ // used only in print preview mode. This will use |PreviewModeClient|
+ // interface which has very limited access to the pp::Instance.
+ scoped_ptr<PDFEngine> preview_engine_;
+
+ std::string url_;
+
+ scoped_ptr<FadingControls> toolbar_;
+ ThumbnailControl thumbnails_;
+ ProgressControl progress_bar_;
+ uint32 delayed_progress_timer_id_;
+ PageIndicator page_indicator_;
+
+ // Used for creating images from numbers.
+ scoped_ptr<NumberImageGenerator> number_image_generator_;
+
+ // Used for submitting forms.
+ pp::CompletionCallbackFactory<Instance> form_factory_;
+ pp::URLLoader form_loader_;
+
+ // Used for generating callbacks.
+ // TODO(raymes): We don't really need other callback factories we can just
+ // fold them into this one.
+ pp::CompletionCallbackFactory<Instance> callback_factory_;
+
+ // True if we haven't painted the plugin viewport yet.
+ bool first_paint_;
+
+ // True when we've painted at least one page from the document.
+ bool painted_first_page_;
+
+ // True if we should display page indicator, false otherwise
+ bool show_page_indicator_;
+
+ // Callback when the document load completes.
+ pp::Var on_load_callback_;
+ pp::Var on_scroll_callback_;
+ pp::Var on_plugin_size_changed_callback_;
+
+ DocumentLoadState document_load_state_;
+ DocumentLoadState preview_document_load_state_;
+
+ // JavaScript interface to control this instance.
+ // This wraps a PDFScriptableObject in a pp::Var.
+ pp::VarPrivate instance_object_;
+
+ // Used so that we only tell the browser once about an unsupported feature, to
+ // avoid the infobar going up more than once.
+ bool told_browser_about_unsupported_feature_;
+
+ // Keeps track of which unsupported features we reported, so we avoid spamming
+ // the stats if a feature shows up many times per document.
+ std::set<std::string> unsupported_features_reported_;
+
+ // Number of pages in print preview mode, 0 if not in print preview mode.
+ int print_preview_page_count_;
+ std::vector<int> print_preview_page_numbers_;
+
+ // Used to manage loaded print preview page information. A |PreviewPageInfo|
+ // consists of data source url string and the page index in the destination
+ // document.
+ typedef std::pair<std::string, int> PreviewPageInfo;
+ std::queue<PreviewPageInfo> preview_pages_info_;
+
+ // Used to signal the browser about focus changes to trigger the OSK.
+ // TODO(abodenha@chromium.org) Implement full IME support in the plugin.
+ // http://crbug.com/132565
+ scoped_ptr<pp::TextInput_Dev> text_input_;
+};
+
+// This implements the JavaScript class entrypoint for the plugin instance.
+// This class is just a thin wrapper. It delegates relevant methods to Instance.
+class PDFScriptableObject : public pp::deprecated::ScriptableObject {
+ public:
+ explicit PDFScriptableObject(Instance* instance);
+ virtual ~PDFScriptableObject();
+
+ // pp::deprecated::ScriptableObject implementation.
+ virtual bool HasMethod(const pp::Var& method, pp::Var* exception);
+ virtual pp::Var Call(const pp::Var& method,
+ const std::vector<pp::Var>& args,
+ pp::Var* exception);
+
+ private:
+ Instance* instance_;
+};
+
+} // namespace chrome_pdf
+
+#endif // PDF_INSTANCE_H_
diff --git a/xfa_test/pdf/number_image_generator.cc b/xfa_test/pdf/number_image_generator.cc
new file mode 100644
index 0000000000..289691513c
--- /dev/null
+++ b/xfa_test/pdf/number_image_generator.cc
@@ -0,0 +1,81 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "pdf/number_image_generator.h"
+
+#include "base/logging.h"
+#include "base/strings/string_util.h"
+#include "pdf/draw_utils.h"
+#include "pdf/instance.h"
+
+namespace chrome_pdf {
+
+const int kPageNumberSeparator = 0;
+const int kPageNumberOriginX = 8;
+const int kPageNumberOriginY = 4;
+
+NumberImageGenerator::NumberImageGenerator(Instance* instance)
+ : instance_(instance),
+ device_scale_(1.0f) {
+}
+
+NumberImageGenerator::~NumberImageGenerator() {
+}
+
+void NumberImageGenerator::Configure(const pp::ImageData& number_background,
+ const std::vector<pp::ImageData>& number_images, float device_scale) {
+ number_background_ = number_background;
+ number_images_ = number_images;
+ device_scale_ = device_scale;
+}
+
+void NumberImageGenerator::GenerateImage(
+ int page_number, pp::ImageData* image) {
+ char buffer[12];
+ base::snprintf(buffer, sizeof(buffer), "%u", page_number);
+ int extra_width = 0;
+ DCHECK(number_images_.size() >= 10);
+ DCHECK(!number_background_.is_null());
+ for (size_t i = 1; i < strlen(buffer); ++i) {
+ int index = buffer[i] - '0';
+ extra_width += number_images_[index].size().width();
+ extra_width += static_cast<int>(kPageNumberSeparator * device_scale_);
+ }
+
+ *image = pp::ImageData(
+ instance_,
+ PP_IMAGEDATAFORMAT_BGRA_PREMUL,
+ pp::Size(number_background_.size().width() + extra_width,
+ number_background_.size().height()),
+ false);
+
+ int stretch_point = number_background_.size().width() / 2;
+
+ pp::Rect src_rc(0, 0, stretch_point, number_background_.size().height());
+ pp::Rect dest_rc(src_rc);
+ CopyImage(number_background_, src_rc, image, dest_rc, false);
+ src_rc.Offset(number_background_.size().width() - stretch_point, 0);
+ dest_rc.Offset(image->size().width() - stretch_point, 0);
+ CopyImage(number_background_, src_rc, image, dest_rc, false);
+ src_rc = pp::Rect(stretch_point, 0, 1, number_background_.size().height());
+ dest_rc = src_rc;
+ dest_rc.set_width(extra_width + 1);
+ CopyImage(number_background_, src_rc, image, dest_rc, true);
+
+ pp::Point origin(static_cast<int>(kPageNumberOriginX * device_scale_),
+ static_cast<int>(kPageNumberOriginY * device_scale_));
+ for (size_t i = 0; i < strlen(buffer); ++i) {
+ int index = buffer[i] - '0';
+ CopyImage(
+ number_images_[index],
+ pp::Rect(pp::Point(), number_images_[index].size()),
+ image, pp::Rect(origin, number_images_[index].size()), false);
+ origin += pp::Point(
+ number_images_[index].size().width() +
+ static_cast<int>(kPageNumberSeparator * device_scale_), 0);
+ }
+}
+
+} // namespace chrome_pdf
+
diff --git a/xfa_test/pdf/number_image_generator.h b/xfa_test/pdf/number_image_generator.h
new file mode 100644
index 0000000000..51ffd3ec3d
--- /dev/null
+++ b/xfa_test/pdf/number_image_generator.h
@@ -0,0 +1,37 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PDF_NUMBER_IMAGE_GENERATOR_H
+#define PDF_NUMBER_IMAGE_GENERATOR_H
+
+#include <vector>
+
+#include "ppapi/cpp/image_data.h"
+
+namespace chrome_pdf {
+
+class Instance;
+
+class NumberImageGenerator {
+ public:
+ explicit NumberImageGenerator(Instance* instance);
+ virtual ~NumberImageGenerator();
+
+ void Configure(const pp::ImageData& number_background,
+ const std::vector<pp::ImageData>& number_images,
+ float device_scale);
+
+ void GenerateImage(int page_number, pp::ImageData* image);
+
+ private:
+ Instance* instance_;
+ pp::ImageData number_background_;
+ std::vector<pp::ImageData> number_images_;
+ float device_scale_;
+};
+
+} // namespace chrome_pdf
+
+#endif // PDF_NUMBER_IMAGE_GENERATOR_H
+
diff --git a/xfa_test/pdf/out_of_process_instance.cc b/xfa_test/pdf/out_of_process_instance.cc
new file mode 100644
index 0000000000..d627dc2d79
--- /dev/null
+++ b/xfa_test/pdf/out_of_process_instance.cc
@@ -0,0 +1,1369 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "pdf/out_of_process_instance.h"
+
+#include <algorithm> // for min/max()
+#define _USE_MATH_DEFINES // for M_PI
+#include <cmath> // for log() and pow()
+#include <math.h>
+#include <list>
+
+#include "base/json/json_reader.h"
+#include "base/json/json_writer.h"
+#include "base/logging.h"
+#include "base/strings/string_number_conversions.h"
+#include "base/strings/string_split.h"
+#include "base/strings/string_util.h"
+#include "base/values.h"
+#include "chrome/common/content_restriction.h"
+#include "net/base/escape.h"
+#include "pdf/pdf.h"
+#include "ppapi/c/dev/ppb_cursor_control_dev.h"
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/c/pp_rect.h"
+#include "ppapi/c/private/ppb_instance_private.h"
+#include "ppapi/c/private/ppp_pdf.h"
+#include "ppapi/c/trusted/ppb_url_loader_trusted.h"
+#include "ppapi/cpp/core.h"
+#include "ppapi/cpp/dev/memory_dev.h"
+#include "ppapi/cpp/dev/text_input_dev.h"
+#include "ppapi/cpp/dev/url_util_dev.h"
+#include "ppapi/cpp/module.h"
+#include "ppapi/cpp/point.h"
+#include "ppapi/cpp/private/pdf.h"
+#include "ppapi/cpp/private/var_private.h"
+#include "ppapi/cpp/rect.h"
+#include "ppapi/cpp/resource.h"
+#include "ppapi/cpp/url_request_info.h"
+#include "ppapi/cpp/var_array.h"
+#include "ppapi/cpp/var_dictionary.h"
+#include "ui/events/keycodes/keyboard_codes.h"
+
+#if defined(OS_MACOSX)
+#include "base/mac/mac_util.h"
+#endif
+
+namespace chrome_pdf {
+
+const char kChromePrint[] = "chrome://print/";
+const char kChromeExtension[] =
+ "chrome-extension://mhjfbmdgcfjbbpaeojofohoefgiehjai";
+
+// Dictionary Value key names for the document accessibility info
+const char kAccessibleNumberOfPages[] = "numberOfPages";
+const char kAccessibleLoaded[] = "loaded";
+const char kAccessibleCopyable[] = "copyable";
+
+// Constants used in handling postMessage() messages.
+const char kType[] = "type";
+// Viewport message arguments. (Page -> Plugin).
+const char kJSViewportType[] = "viewport";
+const char kJSXOffset[] = "xOffset";
+const char kJSYOffset[] = "yOffset";
+const char kJSZoom[] = "zoom";
+// Stop scrolling message (Page -> Plugin)
+const char kJSStopScrollingType[] = "stopScrolling";
+// Document dimension arguments (Plugin -> Page).
+const char kJSDocumentDimensionsType[] = "documentDimensions";
+const char kJSDocumentWidth[] = "width";
+const char kJSDocumentHeight[] = "height";
+const char kJSPageDimensions[] = "pageDimensions";
+const char kJSPageX[] = "x";
+const char kJSPageY[] = "y";
+const char kJSPageWidth[] = "width";
+const char kJSPageHeight[] = "height";
+// Document load progress arguments (Plugin -> Page)
+const char kJSLoadProgressType[] = "loadProgress";
+const char kJSProgressPercentage[] = "progress";
+// Get password arguments (Plugin -> Page)
+const char kJSGetPasswordType[] = "getPassword";
+// Get password complete arguments (Page -> Plugin)
+const char kJSGetPasswordCompleteType[] = "getPasswordComplete";
+const char kJSPassword[] = "password";
+// Print (Page -> Plugin)
+const char kJSPrintType[] = "print";
+// Go to page (Plugin -> Page)
+const char kJSGoToPageType[] = "goToPage";
+const char kJSPageNumber[] = "page";
+// Reset print preview mode (Page -> Plugin)
+const char kJSResetPrintPreviewModeType[] = "resetPrintPreviewMode";
+const char kJSPrintPreviewUrl[] = "url";
+const char kJSPrintPreviewGrayscale[] = "grayscale";
+const char kJSPrintPreviewPageCount[] = "pageCount";
+// Load preview page (Page -> Plugin)
+const char kJSLoadPreviewPageType[] = "loadPreviewPage";
+const char kJSPreviewPageUrl[] = "url";
+const char kJSPreviewPageIndex[] = "index";
+// Set scroll position (Plugin -> Page)
+const char kJSSetScrollPositionType[] = "setScrollPosition";
+const char kJSPositionX[] = "x";
+const char kJSPositionY[] = "y";
+// Set translated strings (Plugin -> Page)
+const char kJSSetTranslatedStringsType[] = "setTranslatedStrings";
+const char kJSGetPasswordString[] = "getPasswordString";
+const char kJSLoadingString[] = "loadingString";
+const char kJSLoadFailedString[] = "loadFailedString";
+// Request accessibility JSON data (Page -> Plugin)
+const char kJSGetAccessibilityJSONType[] = "getAccessibilityJSON";
+const char kJSAccessibilityPageNumber[] = "page";
+// Reply with accessibility JSON data (Plugin -> Page)
+const char kJSGetAccessibilityJSONReplyType[] = "getAccessibilityJSONReply";
+const char kJSAccessibilityJSON[] = "json";
+// Cancel the stream URL request (Plugin -> Page)
+const char kJSCancelStreamUrlType[] = "cancelStreamUrl";
+// Navigate to the given URL (Plugin -> Page)
+const char kJSNavigateType[] = "navigate";
+const char kJSNavigateUrl[] = "url";
+const char kJSNavigateNewTab[] = "newTab";
+// Open the email editor with the given parameters (Plugin -> Page)
+const char kJSEmailType[] = "email";
+const char kJSEmailTo[] = "to";
+const char kJSEmailCc[] = "cc";
+const char kJSEmailBcc[] = "bcc";
+const char kJSEmailSubject[] = "subject";
+const char kJSEmailBody[] = "body";
+// Rotation (Page -> Plugin)
+const char kJSRotateClockwiseType[] = "rotateClockwise";
+const char kJSRotateCounterclockwiseType[] = "rotateCounterclockwise";
+// Select all text in the document (Page -> Plugin)
+const char kJSSelectAllType[] = "selectAll";
+
+const int kFindResultCooldownMs = 100;
+
+const double kMinZoom = 0.01;
+
+namespace {
+
+static const char kPPPPdfInterface[] = PPP_PDF_INTERFACE_1;
+
+PP_Var GetLinkAtPosition(PP_Instance instance, PP_Point point) {
+ pp::Var var;
+ void* object = pp::Instance::GetPerInstanceObject(instance, kPPPPdfInterface);
+ if (object) {
+ var = static_cast<OutOfProcessInstance*>(object)->GetLinkAtPosition(
+ pp::Point(point));
+ }
+ return var.Detach();
+}
+
+void Transform(PP_Instance instance, PP_PrivatePageTransformType type) {
+ void* object =
+ pp::Instance::GetPerInstanceObject(instance, kPPPPdfInterface);
+ if (object) {
+ OutOfProcessInstance* obj_instance =
+ static_cast<OutOfProcessInstance*>(object);
+ switch (type) {
+ case PP_PRIVATEPAGETRANSFORMTYPE_ROTATE_90_CW:
+ obj_instance->RotateClockwise();
+ break;
+ case PP_PRIVATEPAGETRANSFORMTYPE_ROTATE_90_CCW:
+ obj_instance->RotateCounterclockwise();
+ break;
+ }
+ }
+}
+
+const PPP_Pdf ppp_private = {
+ &GetLinkAtPosition,
+ &Transform
+};
+
+int ExtractPrintPreviewPageIndex(const std::string& src_url) {
+ // Sample |src_url| format: chrome://print/id/page_index/print.pdf
+ std::vector<std::string> url_substr;
+ base::SplitString(src_url.substr(strlen(kChromePrint)), '/', &url_substr);
+ if (url_substr.size() != 3)
+ return -1;
+
+ if (url_substr[2] != "print.pdf")
+ return -1;
+
+ int page_index = 0;
+ if (!base::StringToInt(url_substr[1], &page_index))
+ return -1;
+ return page_index;
+}
+
+bool IsPrintPreviewUrl(const std::string& url) {
+ return url.substr(0, strlen(kChromePrint)) == kChromePrint;
+}
+
+void ScalePoint(float scale, pp::Point* point) {
+ point->set_x(static_cast<int>(point->x() * scale));
+ point->set_y(static_cast<int>(point->y() * scale));
+}
+
+void ScaleRect(float scale, pp::Rect* rect) {
+ int left = static_cast<int>(floorf(rect->x() * scale));
+ int top = static_cast<int>(floorf(rect->y() * scale));
+ int right = static_cast<int>(ceilf((rect->x() + rect->width()) * scale));
+ int bottom = static_cast<int>(ceilf((rect->y() + rect->height()) * scale));
+ rect->SetRect(left, top, right - left, bottom - top);
+}
+
+// TODO(raymes): Remove this dependency on VarPrivate/InstancePrivate. It's
+// needed right now to do a synchronous call to JavaScript, but we could easily
+// replace this with a custom PPB_PDF function.
+pp::Var ModalDialog(const pp::Instance* instance,
+ const std::string& type,
+ const std::string& message,
+ const std::string& default_answer) {
+ const PPB_Instance_Private* interface =
+ reinterpret_cast<const PPB_Instance_Private*>(
+ pp::Module::Get()->GetBrowserInterface(
+ PPB_INSTANCE_PRIVATE_INTERFACE));
+ pp::VarPrivate window(pp::PASS_REF,
+ interface->GetWindowObject(instance->pp_instance()));
+ if (default_answer.empty())
+ return window.Call(type, message);
+ else
+ return window.Call(type, message, default_answer);
+}
+
+} // namespace
+
+OutOfProcessInstance::OutOfProcessInstance(PP_Instance instance)
+ : pp::Instance(instance),
+ pp::Find_Private(this),
+ pp::Printing_Dev(this),
+ pp::Selection_Dev(this),
+ cursor_(PP_CURSORTYPE_POINTER),
+ zoom_(1.0),
+ device_scale_(1.0),
+ printing_enabled_(true),
+ full_(false),
+ paint_manager_(this, this, true),
+ first_paint_(true),
+ document_load_state_(LOAD_STATE_LOADING),
+ preview_document_load_state_(LOAD_STATE_COMPLETE),
+ uma_(this),
+ told_browser_about_unsupported_feature_(false),
+ print_preview_page_count_(0),
+ last_progress_sent_(0),
+ recently_sent_find_update_(false),
+ received_viewport_message_(false),
+ did_call_start_loading_(false),
+ stop_scrolling_(false) {
+ loader_factory_.Initialize(this);
+ timer_factory_.Initialize(this);
+ form_factory_.Initialize(this);
+ print_callback_factory_.Initialize(this);
+ engine_.reset(PDFEngine::Create(this));
+ pp::Module::Get()->AddPluginInterface(kPPPPdfInterface, &ppp_private);
+ AddPerInstanceObject(kPPPPdfInterface, this);
+
+ RequestFilteringInputEvents(PP_INPUTEVENT_CLASS_MOUSE);
+ RequestFilteringInputEvents(PP_INPUTEVENT_CLASS_KEYBOARD);
+ RequestFilteringInputEvents(PP_INPUTEVENT_CLASS_TOUCH);
+}
+
+OutOfProcessInstance::~OutOfProcessInstance() {
+ RemovePerInstanceObject(kPPPPdfInterface, this);
+}
+
+bool OutOfProcessInstance::Init(uint32_t argc,
+ const char* argn[],
+ const char* argv[]) {
+ // Check if the PDF is being loaded in the PDF chrome extension. We only allow
+ // the plugin to be put into "full frame" mode when it is being loaded in the
+ // extension because this enables some features that we don't want pages
+ // abusing outside of the extension.
+ pp::Var document_url_var = pp::URLUtil_Dev::Get()->GetDocumentURL(this);
+ std::string document_url = document_url_var.is_string() ?
+ document_url_var.AsString() : std::string();
+ std::string extension_url = std::string(kChromeExtension);
+ bool in_extension =
+ !document_url.compare(0, extension_url.size(), extension_url);
+
+ if (in_extension) {
+ // Check if the plugin is full frame. This is passed in from JS.
+ for (uint32_t i = 0; i < argc; ++i) {
+ if (strcmp(argn[i], "full-frame") == 0) {
+ full_ = true;
+ break;
+ }
+ }
+ }
+
+ // Only allow the plugin to handle find requests if it is full frame.
+ if (full_)
+ SetPluginToHandleFindRequests();
+
+ // Send translated strings to the extension where they will be displayed.
+ // TODO(raymes): It would be better to get these in the extension directly
+ // through an API but no such API currently exists.
+ pp::VarDictionary translated_strings;
+ translated_strings.Set(kType, kJSSetTranslatedStringsType);
+ translated_strings.Set(kJSGetPasswordString,
+ GetLocalizedString(PP_RESOURCESTRING_PDFGETPASSWORD));
+ translated_strings.Set(kJSLoadingString,
+ GetLocalizedString(PP_RESOURCESTRING_PDFLOADING));
+ translated_strings.Set(kJSLoadFailedString,
+ GetLocalizedString(PP_RESOURCESTRING_PDFLOAD_FAILED));
+ PostMessage(translated_strings);
+
+ text_input_.reset(new pp::TextInput_Dev(this));
+
+ const char* stream_url = NULL;
+ const char* original_url = NULL;
+ const char* headers = NULL;
+ for (uint32_t i = 0; i < argc; ++i) {
+ if (strcmp(argn[i], "src") == 0)
+ original_url = argv[i];
+ else if (strcmp(argn[i], "stream-url") == 0)
+ stream_url = argv[i];
+ else if (strcmp(argn[i], "headers") == 0)
+ headers = argv[i];
+ }
+
+ // TODO(raymes): This is a hack to ensure that if no headers are passed in
+ // then we get the right MIME type. When the in process plugin is removed we
+ // can fix the document loader properly and remove this hack.
+ if (!headers || strcmp(headers, "") == 0)
+ headers = "content-type: application/pdf";
+
+ if (!original_url)
+ return false;
+
+ if (!stream_url)
+ stream_url = original_url;
+
+ // If we're in print preview mode we don't need to load the document yet.
+ // A |kJSResetPrintPreviewModeType| message will be sent to the plugin letting
+ // it know the url to load. By not loading here we avoid loading the same
+ // document twice.
+ if (IsPrintPreviewUrl(original_url))
+ return true;
+
+ LoadUrl(stream_url);
+ url_ = original_url;
+ return engine_->New(original_url, headers);
+}
+
+void OutOfProcessInstance::HandleMessage(const pp::Var& message) {
+ pp::VarDictionary dict(message);
+ if (!dict.Get(kType).is_string()) {
+ NOTREACHED();
+ return;
+ }
+
+ std::string type = dict.Get(kType).AsString();
+
+ if (type == kJSViewportType &&
+ dict.Get(pp::Var(kJSXOffset)).is_int() &&
+ dict.Get(pp::Var(kJSYOffset)).is_int() &&
+ dict.Get(pp::Var(kJSZoom)).is_number()) {
+ received_viewport_message_ = true;
+ stop_scrolling_ = false;
+ double zoom = dict.Get(pp::Var(kJSZoom)).AsDouble();
+ pp::Point scroll_offset(dict.Get(pp::Var(kJSXOffset)).AsInt(),
+ dict.Get(pp::Var(kJSYOffset)).AsInt());
+
+ // Bound the input parameters.
+ zoom = std::max(kMinZoom, zoom);
+ SetZoom(zoom);
+ scroll_offset = BoundScrollOffsetToDocument(scroll_offset);
+ engine_->ScrolledToXPosition(scroll_offset.x() * device_scale_);
+ engine_->ScrolledToYPosition(scroll_offset.y() * device_scale_);
+ } else if (type == kJSGetPasswordCompleteType &&
+ dict.Get(pp::Var(kJSPassword)).is_string()) {
+ if (password_callback_) {
+ pp::CompletionCallbackWithOutput<pp::Var> callback = *password_callback_;
+ password_callback_.reset();
+ *callback.output() = dict.Get(pp::Var(kJSPassword)).pp_var();
+ callback.Run(PP_OK);
+ } else {
+ NOTREACHED();
+ }
+ } else if (type == kJSPrintType) {
+ Print();
+ } else if (type == kJSRotateClockwiseType) {
+ RotateClockwise();
+ } else if (type == kJSRotateCounterclockwiseType) {
+ RotateCounterclockwise();
+ } else if (type == kJSSelectAllType) {
+ engine_->SelectAll();
+ } else if (type == kJSResetPrintPreviewModeType &&
+ dict.Get(pp::Var(kJSPrintPreviewUrl)).is_string() &&
+ dict.Get(pp::Var(kJSPrintPreviewGrayscale)).is_bool() &&
+ dict.Get(pp::Var(kJSPrintPreviewPageCount)).is_int()) {
+ url_ = dict.Get(pp::Var(kJSPrintPreviewUrl)).AsString();
+ preview_pages_info_ = std::queue<PreviewPageInfo>();
+ preview_document_load_state_ = LOAD_STATE_COMPLETE;
+ document_load_state_ = LOAD_STATE_LOADING;
+ LoadUrl(url_);
+ preview_engine_.reset();
+ engine_.reset(PDFEngine::Create(this));
+ engine_->SetGrayscale(dict.Get(pp::Var(kJSPrintPreviewGrayscale)).AsBool());
+ engine_->New(url_.c_str());
+
+ print_preview_page_count_ =
+ std::max(dict.Get(pp::Var(kJSPrintPreviewPageCount)).AsInt(), 0);
+
+ paint_manager_.InvalidateRect(pp::Rect(pp::Point(), plugin_size_));
+ } else if (type == kJSLoadPreviewPageType &&
+ dict.Get(pp::Var(kJSPreviewPageUrl)).is_string() &&
+ dict.Get(pp::Var(kJSPreviewPageIndex)).is_int()) {
+ ProcessPreviewPageInfo(dict.Get(pp::Var(kJSPreviewPageUrl)).AsString(),
+ dict.Get(pp::Var(kJSPreviewPageIndex)).AsInt());
+ } else if (type == kJSGetAccessibilityJSONType) {
+ pp::VarDictionary reply;
+ reply.Set(pp::Var(kType), pp::Var(kJSGetAccessibilityJSONReplyType));
+ if (dict.Get(pp::Var(kJSAccessibilityPageNumber)).is_int()) {
+ int page = dict.Get(pp::Var(kJSAccessibilityPageNumber)).AsInt();
+ reply.Set(pp::Var(kJSAccessibilityJSON),
+ pp::Var(engine_->GetPageAsJSON(page)));
+ } else {
+ base::DictionaryValue node;
+ node.SetInteger(kAccessibleNumberOfPages, engine_->GetNumberOfPages());
+ node.SetBoolean(kAccessibleLoaded,
+ document_load_state_ != LOAD_STATE_LOADING);
+ bool has_permissions =
+ engine_->HasPermission(PDFEngine::PERMISSION_COPY) ||
+ engine_->HasPermission(PDFEngine::PERMISSION_COPY_ACCESSIBLE);
+ node.SetBoolean(kAccessibleCopyable, has_permissions);
+ std::string json;
+ base::JSONWriter::Write(&node, &json);
+ reply.Set(pp::Var(kJSAccessibilityJSON), pp::Var(json));
+ }
+ PostMessage(reply);
+ } else if (type == kJSStopScrollingType) {
+ stop_scrolling_ = true;
+ } else {
+ NOTREACHED();
+ }
+}
+
+bool OutOfProcessInstance::HandleInputEvent(
+ const pp::InputEvent& event) {
+ // To simplify things, convert the event into device coordinates if it is
+ // a mouse event.
+ pp::InputEvent event_device_res(event);
+ {
+ pp::MouseInputEvent mouse_event(event);
+ if (!mouse_event.is_null()) {
+ pp::Point point = mouse_event.GetPosition();
+ pp::Point movement = mouse_event.GetMovement();
+ ScalePoint(device_scale_, &point);
+ ScalePoint(device_scale_, &movement);
+ mouse_event = pp::MouseInputEvent(
+ this,
+ event.GetType(),
+ event.GetTimeStamp(),
+ event.GetModifiers(),
+ mouse_event.GetButton(),
+ point,
+ mouse_event.GetClickCount(),
+ movement);
+ event_device_res = mouse_event;
+ }
+ }
+
+ pp::InputEvent offset_event(event_device_res);
+ switch (offset_event.GetType()) {
+ case PP_INPUTEVENT_TYPE_MOUSEDOWN:
+ case PP_INPUTEVENT_TYPE_MOUSEUP:
+ case PP_INPUTEVENT_TYPE_MOUSEMOVE:
+ case PP_INPUTEVENT_TYPE_MOUSEENTER:
+ case PP_INPUTEVENT_TYPE_MOUSELEAVE: {
+ pp::MouseInputEvent mouse_event(event_device_res);
+ pp::MouseInputEvent mouse_event_dip(event);
+ pp::Point point = mouse_event.GetPosition();
+ point.set_x(point.x() - available_area_.x());
+ offset_event = pp::MouseInputEvent(
+ this,
+ event.GetType(),
+ event.GetTimeStamp(),
+ event.GetModifiers(),
+ mouse_event.GetButton(),
+ point,
+ mouse_event.GetClickCount(),
+ mouse_event.GetMovement());
+ break;
+ }
+ default:
+ break;
+ }
+ if (engine_->HandleEvent(offset_event))
+ return true;
+
+ // TODO(raymes): Implement this scroll behavior in JS:
+ // When click+dragging, scroll the document correctly.
+
+ // Return true for unhandled clicks so the plugin takes focus.
+ return (event.GetType() == PP_INPUTEVENT_TYPE_MOUSEDOWN);
+}
+
+void OutOfProcessInstance::DidChangeView(const pp::View& view) {
+ pp::Rect view_rect(view.GetRect());
+ float old_device_scale = device_scale_;
+ float device_scale = view.GetDeviceScale();
+ pp::Size view_device_size(view_rect.width() * device_scale,
+ view_rect.height() * device_scale);
+
+ if (view_device_size != plugin_size_ || device_scale != device_scale_) {
+ device_scale_ = device_scale;
+ plugin_dip_size_ = view_rect.size();
+ plugin_size_ = view_device_size;
+
+ paint_manager_.SetSize(view_device_size, device_scale_);
+
+ pp::Size new_image_data_size = PaintManager::GetNewContextSize(
+ image_data_.size(),
+ plugin_size_);
+ if (new_image_data_size != image_data_.size()) {
+ image_data_ = pp::ImageData(this,
+ PP_IMAGEDATAFORMAT_BGRA_PREMUL,
+ new_image_data_size,
+ false);
+ first_paint_ = true;
+ }
+
+ if (image_data_.is_null()) {
+ DCHECK(plugin_size_.IsEmpty());
+ return;
+ }
+
+ OnGeometryChanged(zoom_, old_device_scale);
+ }
+
+ if (!stop_scrolling_) {
+ pp::Point scroll_offset(
+ BoundScrollOffsetToDocument(view.GetScrollOffset()));
+ engine_->ScrolledToXPosition(scroll_offset.x() * device_scale_);
+ engine_->ScrolledToYPosition(scroll_offset.y() * device_scale_);
+ }
+}
+
+pp::Var OutOfProcessInstance::GetLinkAtPosition(
+ const pp::Point& point) {
+ pp::Point offset_point(point);
+ ScalePoint(device_scale_, &offset_point);
+ offset_point.set_x(offset_point.x() - available_area_.x());
+ return engine_->GetLinkAtPosition(offset_point);
+}
+
+pp::Var OutOfProcessInstance::GetSelectedText(bool html) {
+ if (html || !engine_->HasPermission(PDFEngine::PERMISSION_COPY))
+ return pp::Var();
+ return engine_->GetSelectedText();
+}
+
+uint32_t OutOfProcessInstance::QuerySupportedPrintOutputFormats() {
+ return engine_->QuerySupportedPrintOutputFormats();
+}
+
+int32_t OutOfProcessInstance::PrintBegin(
+ const PP_PrintSettings_Dev& print_settings) {
+ // For us num_pages is always equal to the number of pages in the PDF
+ // document irrespective of the printable area.
+ int32_t ret = engine_->GetNumberOfPages();
+ if (!ret)
+ return 0;
+
+ uint32_t supported_formats = engine_->QuerySupportedPrintOutputFormats();
+ if ((print_settings.format & supported_formats) == 0)
+ return 0;
+
+ print_settings_.is_printing = true;
+ print_settings_.pepper_print_settings = print_settings;
+ engine_->PrintBegin();
+ return ret;
+}
+
+pp::Resource OutOfProcessInstance::PrintPages(
+ const PP_PrintPageNumberRange_Dev* page_ranges,
+ uint32_t page_range_count) {
+ if (!print_settings_.is_printing)
+ return pp::Resource();
+
+ print_settings_.print_pages_called_ = true;
+ return engine_->PrintPages(page_ranges, page_range_count,
+ print_settings_.pepper_print_settings);
+}
+
+void OutOfProcessInstance::PrintEnd() {
+ if (print_settings_.print_pages_called_)
+ UserMetricsRecordAction("PDF.PrintPage");
+ print_settings_.Clear();
+ engine_->PrintEnd();
+}
+
+bool OutOfProcessInstance::IsPrintScalingDisabled() {
+ return !engine_->GetPrintScaling();
+}
+
+bool OutOfProcessInstance::StartFind(const std::string& text,
+ bool case_sensitive) {
+ engine_->StartFind(text.c_str(), case_sensitive);
+ return true;
+}
+
+void OutOfProcessInstance::SelectFindResult(bool forward) {
+ engine_->SelectFindResult(forward);
+}
+
+void OutOfProcessInstance::StopFind() {
+ engine_->StopFind();
+ tickmarks_.clear();
+ SetTickmarks(tickmarks_);
+}
+
+void OutOfProcessInstance::OnPaint(
+ const std::vector<pp::Rect>& paint_rects,
+ std::vector<PaintManager::ReadyRect>* ready,
+ std::vector<pp::Rect>* pending) {
+ if (image_data_.is_null()) {
+ DCHECK(plugin_size_.IsEmpty());
+ return;
+ }
+ if (first_paint_) {
+ first_paint_ = false;
+ pp::Rect rect = pp::Rect(pp::Point(), image_data_.size());
+ FillRect(rect, kBackgroundColor);
+ ready->push_back(PaintManager::ReadyRect(rect, image_data_, true));
+ }
+
+ if (!received_viewport_message_)
+ return;
+
+ engine_->PrePaint();
+
+ for (size_t i = 0; i < paint_rects.size(); i++) {
+ // Intersect with plugin area since there could be pending invalidates from
+ // when the plugin area was larger.
+ pp::Rect rect =
+ paint_rects[i].Intersect(pp::Rect(pp::Point(), plugin_size_));
+ if (rect.IsEmpty())
+ continue;
+
+ pp::Rect pdf_rect = available_area_.Intersect(rect);
+ if (!pdf_rect.IsEmpty()) {
+ pdf_rect.Offset(available_area_.x() * -1, 0);
+
+ std::vector<pp::Rect> pdf_ready;
+ std::vector<pp::Rect> pdf_pending;
+ engine_->Paint(pdf_rect, &image_data_, &pdf_ready, &pdf_pending);
+ for (size_t j = 0; j < pdf_ready.size(); ++j) {
+ pdf_ready[j].Offset(available_area_.point());
+ ready->push_back(
+ PaintManager::ReadyRect(pdf_ready[j], image_data_, false));
+ }
+ for (size_t j = 0; j < pdf_pending.size(); ++j) {
+ pdf_pending[j].Offset(available_area_.point());
+ pending->push_back(pdf_pending[j]);
+ }
+ }
+
+ for (size_t j = 0; j < background_parts_.size(); ++j) {
+ pp::Rect intersection = background_parts_[j].location.Intersect(rect);
+ if (!intersection.IsEmpty()) {
+ FillRect(intersection, background_parts_[j].color);
+ ready->push_back(
+ PaintManager::ReadyRect(intersection, image_data_, false));
+ }
+ }
+ }
+
+ engine_->PostPaint();
+}
+
+void OutOfProcessInstance::DidOpen(int32_t result) {
+ if (result == PP_OK) {
+ if (!engine_->HandleDocumentLoad(embed_loader_)) {
+ document_load_state_ = LOAD_STATE_LOADING;
+ DocumentLoadFailed();
+ }
+ } else if (result != PP_ERROR_ABORTED) { // Can happen in tests.
+ NOTREACHED();
+ DocumentLoadFailed();
+ }
+
+ // If it's a progressive load, cancel the stream URL request so that requests
+ // can be made on the original URL.
+ // TODO(raymes): Make this clearer once the in-process plugin is deleted.
+ if (engine_->IsProgressiveLoad()) {
+ pp::VarDictionary message;
+ message.Set(kType, kJSCancelStreamUrlType);
+ PostMessage(message);
+ }
+}
+
+void OutOfProcessInstance::DidOpenPreview(int32_t result) {
+ if (result == PP_OK) {
+ preview_engine_.reset(PDFEngine::Create(new PreviewModeClient(this)));
+ preview_engine_->HandleDocumentLoad(embed_preview_loader_);
+ } else {
+ NOTREACHED();
+ }
+}
+
+void OutOfProcessInstance::OnClientTimerFired(int32_t id) {
+ engine_->OnCallback(id);
+}
+
+void OutOfProcessInstance::CalculateBackgroundParts() {
+ background_parts_.clear();
+ int left_width = available_area_.x();
+ int right_start = available_area_.right();
+ int right_width = abs(plugin_size_.width() - available_area_.right());
+ int bottom = std::min(available_area_.bottom(), plugin_size_.height());
+
+ // Add the left, right, and bottom rectangles. Note: we assume only
+ // horizontal centering.
+ BackgroundPart part = {
+ pp::Rect(0, 0, left_width, bottom),
+ kBackgroundColor
+ };
+ if (!part.location.IsEmpty())
+ background_parts_.push_back(part);
+ part.location = pp::Rect(right_start, 0, right_width, bottom);
+ if (!part.location.IsEmpty())
+ background_parts_.push_back(part);
+ part.location = pp::Rect(
+ 0, bottom, plugin_size_.width(), plugin_size_.height() - bottom);
+ if (!part.location.IsEmpty())
+ background_parts_.push_back(part);
+}
+
+int OutOfProcessInstance::GetDocumentPixelWidth() const {
+ return static_cast<int>(ceil(document_size_.width() * zoom_ * device_scale_));
+}
+
+int OutOfProcessInstance::GetDocumentPixelHeight() const {
+ return static_cast<int>(
+ ceil(document_size_.height() * zoom_ * device_scale_));
+}
+
+void OutOfProcessInstance::FillRect(const pp::Rect& rect, uint32 color) {
+ DCHECK(!image_data_.is_null() || rect.IsEmpty());
+ uint32* buffer_start = static_cast<uint32*>(image_data_.data());
+ int stride = image_data_.stride();
+ uint32* ptr = buffer_start + rect.y() * stride / 4 + rect.x();
+ int height = rect.height();
+ int width = rect.width();
+ for (int y = 0; y < height; ++y) {
+ for (int x = 0; x < width; ++x)
+ *(ptr + x) = color;
+ ptr += stride /4;
+ }
+}
+
+void OutOfProcessInstance::DocumentSizeUpdated(const pp::Size& size) {
+ document_size_ = size;
+
+ pp::VarDictionary dimensions;
+ dimensions.Set(kType, kJSDocumentDimensionsType);
+ dimensions.Set(kJSDocumentWidth, pp::Var(document_size_.width()));
+ dimensions.Set(kJSDocumentHeight, pp::Var(document_size_.height()));
+ pp::VarArray page_dimensions_array;
+ int num_pages = engine_->GetNumberOfPages();
+ for (int i = 0; i < num_pages; ++i) {
+ pp::Rect page_rect = engine_->GetPageRect(i);
+ pp::VarDictionary page_dimensions;
+ page_dimensions.Set(kJSPageX, pp::Var(page_rect.x()));
+ page_dimensions.Set(kJSPageY, pp::Var(page_rect.y()));
+ page_dimensions.Set(kJSPageWidth, pp::Var(page_rect.width()));
+ page_dimensions.Set(kJSPageHeight, pp::Var(page_rect.height()));
+ page_dimensions_array.Set(i, page_dimensions);
+ }
+ dimensions.Set(kJSPageDimensions, page_dimensions_array);
+ PostMessage(dimensions);
+
+ OnGeometryChanged(zoom_, device_scale_);
+}
+
+void OutOfProcessInstance::Invalidate(const pp::Rect& rect) {
+ pp::Rect offset_rect(rect);
+ offset_rect.Offset(available_area_.point());
+ paint_manager_.InvalidateRect(offset_rect);
+}
+
+void OutOfProcessInstance::Scroll(const pp::Point& point) {
+ if (!image_data_.is_null())
+ paint_manager_.ScrollRect(available_area_, point);
+}
+
+void OutOfProcessInstance::ScrollToX(int x) {
+ pp::VarDictionary position;
+ position.Set(kType, kJSSetScrollPositionType);
+ position.Set(kJSPositionX, pp::Var(x / device_scale_));
+ PostMessage(position);
+}
+
+void OutOfProcessInstance::ScrollToY(int y) {
+ pp::VarDictionary position;
+ position.Set(kType, kJSSetScrollPositionType);
+ position.Set(kJSPositionY, pp::Var(y / device_scale_));
+ PostMessage(position);
+}
+
+void OutOfProcessInstance::ScrollToPage(int page) {
+ if (engine_->GetNumberOfPages() == 0)
+ return;
+
+ pp::VarDictionary message;
+ message.Set(kType, kJSGoToPageType);
+ message.Set(kJSPageNumber, pp::Var(page));
+ PostMessage(message);
+}
+
+void OutOfProcessInstance::NavigateTo(const std::string& url,
+ bool open_in_new_tab) {
+ std::string url_copy(url);
+
+ // Empty |url_copy| is ok, and will effectively be a reload.
+ // Skip the code below so an empty URL does not turn into "http://", which
+ // will cause GURL to fail a DCHECK.
+ if (!url_copy.empty()) {
+ // If |url_copy| starts with '#', then it's for the same URL with a
+ // different URL fragment.
+ if (url_copy[0] == '#') {
+ url_copy = url_ + url_copy;
+ }
+ // If there's no scheme, add http.
+ if (url_copy.find("://") == std::string::npos &&
+ url_copy.find("mailto:") == std::string::npos) {
+ url_copy = std::string("http://") + url_copy;
+ }
+ // Make sure |url_copy| starts with a valid scheme.
+ if (url_copy.find("http://") != 0 &&
+ url_copy.find("https://") != 0 &&
+ url_copy.find("ftp://") != 0 &&
+ url_copy.find("file://") != 0 &&
+ url_copy.find("mailto:") != 0) {
+ return;
+ }
+ // Make sure |url_copy| is not only a scheme.
+ if (url_copy == "http://" ||
+ url_copy == "https://" ||
+ url_copy == "ftp://" ||
+ url_copy == "file://" ||
+ url_copy == "mailto:") {
+ return;
+ }
+ }
+ pp::VarDictionary message;
+ message.Set(kType, kJSNavigateType);
+ message.Set(kJSNavigateUrl, url_copy);
+ message.Set(kJSNavigateNewTab, open_in_new_tab);
+ PostMessage(message);
+}
+
+void OutOfProcessInstance::UpdateCursor(PP_CursorType_Dev cursor) {
+ if (cursor == cursor_)
+ return;
+ cursor_ = cursor;
+
+ const PPB_CursorControl_Dev* cursor_interface =
+ reinterpret_cast<const PPB_CursorControl_Dev*>(
+ pp::Module::Get()->GetBrowserInterface(PPB_CURSOR_CONTROL_DEV_INTERFACE));
+ if (!cursor_interface) {
+ NOTREACHED();
+ return;
+ }
+
+ cursor_interface->SetCursor(
+ pp_instance(), cursor_, pp::ImageData().pp_resource(), NULL);
+}
+
+void OutOfProcessInstance::UpdateTickMarks(
+ const std::vector<pp::Rect>& tickmarks) {
+ float inverse_scale = 1.0f / device_scale_;
+ std::vector<pp::Rect> scaled_tickmarks = tickmarks;
+ for (size_t i = 0; i < scaled_tickmarks.size(); i++)
+ ScaleRect(inverse_scale, &scaled_tickmarks[i]);
+ tickmarks_ = scaled_tickmarks;
+}
+
+void OutOfProcessInstance::NotifyNumberOfFindResultsChanged(int total,
+ bool final_result) {
+ // We don't want to spam the renderer with too many updates to the number of
+ // find results. Don't send an update if we sent one too recently. If it's the
+ // final update, we always send it though.
+ if (final_result) {
+ NumberOfFindResultsChanged(total, final_result);
+ SetTickmarks(tickmarks_);
+ return;
+ }
+
+ if (recently_sent_find_update_)
+ return;
+
+ NumberOfFindResultsChanged(total, final_result);
+ SetTickmarks(tickmarks_);
+ recently_sent_find_update_ = true;
+ pp::CompletionCallback callback =
+ timer_factory_.NewCallback(
+ &OutOfProcessInstance::ResetRecentlySentFindUpdate);
+ pp::Module::Get()->core()->CallOnMainThread(kFindResultCooldownMs,
+ callback, 0);
+}
+
+void OutOfProcessInstance::NotifySelectedFindResultChanged(
+ int current_find_index) {
+ SelectedFindResultChanged(current_find_index);
+}
+
+void OutOfProcessInstance::GetDocumentPassword(
+ pp::CompletionCallbackWithOutput<pp::Var> callback) {
+ if (password_callback_) {
+ NOTREACHED();
+ return;
+ }
+
+ password_callback_.reset(
+ new pp::CompletionCallbackWithOutput<pp::Var>(callback));
+ pp::VarDictionary message;
+ message.Set(pp::Var(kType), pp::Var(kJSGetPasswordType));
+ PostMessage(message);
+}
+
+void OutOfProcessInstance::Alert(const std::string& message) {
+ ModalDialog(this, "alert", message, std::string());
+}
+
+bool OutOfProcessInstance::Confirm(const std::string& message) {
+ pp::Var result = ModalDialog(this, "confirm", message, std::string());
+ return result.is_bool() ? result.AsBool() : false;
+}
+
+std::string OutOfProcessInstance::Prompt(const std::string& question,
+ const std::string& default_answer) {
+ pp::Var result = ModalDialog(this, "prompt", question, default_answer);
+ return result.is_string() ? result.AsString() : std::string();
+}
+
+std::string OutOfProcessInstance::GetURL() {
+ return url_;
+}
+
+void OutOfProcessInstance::Email(const std::string& to,
+ const std::string& cc,
+ const std::string& bcc,
+ const std::string& subject,
+ const std::string& body) {
+ pp::VarDictionary message;
+ message.Set(pp::Var(kType), pp::Var(kJSEmailType));
+ message.Set(pp::Var(kJSEmailTo),
+ pp::Var(net::EscapeUrlEncodedData(to, false)));
+ message.Set(pp::Var(kJSEmailCc),
+ pp::Var(net::EscapeUrlEncodedData(cc, false)));
+ message.Set(pp::Var(kJSEmailBcc),
+ pp::Var(net::EscapeUrlEncodedData(bcc, false)));
+ message.Set(pp::Var(kJSEmailSubject),
+ pp::Var(net::EscapeUrlEncodedData(subject, false)));
+ message.Set(pp::Var(kJSEmailBody),
+ pp::Var(net::EscapeUrlEncodedData(body, false)));
+ PostMessage(message);
+}
+
+void OutOfProcessInstance::Print() {
+ if (!printing_enabled_ ||
+ (!engine_->HasPermission(PDFEngine::PERMISSION_PRINT_LOW_QUALITY) &&
+ !engine_->HasPermission(PDFEngine::PERMISSION_PRINT_HIGH_QUALITY))) {
+ return;
+ }
+
+ pp::CompletionCallback callback =
+ print_callback_factory_.NewCallback(&OutOfProcessInstance::OnPrint);
+ pp::Module::Get()->core()->CallOnMainThread(0, callback);
+}
+
+void OutOfProcessInstance::OnPrint(int32_t) {
+ pp::PDF::Print(this);
+}
+
+void OutOfProcessInstance::SubmitForm(const std::string& url,
+ const void* data,
+ int length) {
+ pp::URLRequestInfo request(this);
+ request.SetURL(url);
+ request.SetMethod("POST");
+ request.AppendDataToBody(reinterpret_cast<const char*>(data), length);
+
+ pp::CompletionCallback callback =
+ form_factory_.NewCallback(&OutOfProcessInstance::FormDidOpen);
+ form_loader_ = CreateURLLoaderInternal();
+ int rv = form_loader_.Open(request, callback);
+ if (rv != PP_OK_COMPLETIONPENDING)
+ callback.Run(rv);
+}
+
+void OutOfProcessInstance::FormDidOpen(int32_t result) {
+ // TODO: inform the user of success/failure.
+ if (result != PP_OK) {
+ NOTREACHED();
+ }
+}
+
+std::string OutOfProcessInstance::ShowFileSelectionDialog() {
+ // Seems like very low priority to implement, since the pdf has no way to get
+ // the file data anyways. Javascript doesn't let you do this synchronously.
+ NOTREACHED();
+ return std::string();
+}
+
+pp::URLLoader OutOfProcessInstance::CreateURLLoader() {
+ if (full_) {
+ if (!did_call_start_loading_) {
+ did_call_start_loading_ = true;
+ pp::PDF::DidStartLoading(this);
+ }
+
+ // Disable save and print until the document is fully loaded, since they
+ // would generate an incomplete document. Need to do this each time we
+ // call DidStartLoading since that resets the content restrictions.
+ pp::PDF::SetContentRestriction(this, CONTENT_RESTRICTION_SAVE |
+ CONTENT_RESTRICTION_PRINT);
+ }
+
+ return CreateURLLoaderInternal();
+}
+
+void OutOfProcessInstance::ScheduleCallback(int id, int delay_in_ms) {
+ pp::CompletionCallback callback =
+ timer_factory_.NewCallback(&OutOfProcessInstance::OnClientTimerFired);
+ pp::Module::Get()->core()->CallOnMainThread(delay_in_ms, callback, id);
+}
+
+void OutOfProcessInstance::SearchString(const base::char16* string,
+ const base::char16* term,
+ bool case_sensitive,
+ std::vector<SearchStringResult>* results) {
+ PP_PrivateFindResult* pp_results;
+ int count = 0;
+ pp::PDF::SearchString(
+ this,
+ reinterpret_cast<const unsigned short*>(string),
+ reinterpret_cast<const unsigned short*>(term),
+ case_sensitive,
+ &pp_results,
+ &count);
+
+ results->resize(count);
+ for (int i = 0; i < count; ++i) {
+ (*results)[i].start_index = pp_results[i].start_index;
+ (*results)[i].length = pp_results[i].length;
+ }
+
+ pp::Memory_Dev memory;
+ memory.MemFree(pp_results);
+}
+
+void OutOfProcessInstance::DocumentPaintOccurred() {
+}
+
+void OutOfProcessInstance::DocumentLoadComplete(int page_count) {
+ // Clear focus state for OSK.
+ FormTextFieldFocusChange(false);
+
+ DCHECK(document_load_state_ == LOAD_STATE_LOADING);
+ document_load_state_ = LOAD_STATE_COMPLETE;
+ UserMetricsRecordAction("PDF.LoadSuccess");
+
+ // Note: If we are in print preview mode the scroll location is retained
+ // across document loads so we don't want to scroll again and override it.
+ if (IsPrintPreview()) {
+ AppendBlankPrintPreviewPages();
+ OnGeometryChanged(0, 0);
+ }
+
+ pp::VarDictionary message;
+ message.Set(pp::Var(kType), pp::Var(kJSLoadProgressType));
+ message.Set(pp::Var(kJSProgressPercentage), pp::Var(100)) ;
+ PostMessage(message);
+
+ if (!full_)
+ return;
+
+ if (did_call_start_loading_) {
+ pp::PDF::DidStopLoading(this);
+ did_call_start_loading_ = false;
+ }
+
+ int content_restrictions =
+ CONTENT_RESTRICTION_CUT | CONTENT_RESTRICTION_PASTE;
+ if (!engine_->HasPermission(PDFEngine::PERMISSION_COPY))
+ content_restrictions |= CONTENT_RESTRICTION_COPY;
+
+ if (!engine_->HasPermission(PDFEngine::PERMISSION_PRINT_LOW_QUALITY) &&
+ !engine_->HasPermission(PDFEngine::PERMISSION_PRINT_HIGH_QUALITY)) {
+ printing_enabled_ = false;
+ }
+
+ pp::PDF::SetContentRestriction(this, content_restrictions);
+
+ uma_.HistogramCustomCounts("PDF.PageCount", page_count,
+ 1, 1000000, 50);
+}
+
+void OutOfProcessInstance::RotateClockwise() {
+ engine_->RotateClockwise();
+}
+
+void OutOfProcessInstance::RotateCounterclockwise() {
+ engine_->RotateCounterclockwise();
+}
+
+void OutOfProcessInstance::PreviewDocumentLoadComplete() {
+ if (preview_document_load_state_ != LOAD_STATE_LOADING ||
+ preview_pages_info_.empty()) {
+ return;
+ }
+
+ preview_document_load_state_ = LOAD_STATE_COMPLETE;
+
+ int dest_page_index = preview_pages_info_.front().second;
+ int src_page_index =
+ ExtractPrintPreviewPageIndex(preview_pages_info_.front().first);
+ if (src_page_index > 0 && dest_page_index > -1 && preview_engine_.get())
+ engine_->AppendPage(preview_engine_.get(), dest_page_index);
+
+ preview_pages_info_.pop();
+ // |print_preview_page_count_| is not updated yet. Do not load any
+ // other preview pages till we get this information.
+ if (print_preview_page_count_ == 0)
+ return;
+
+ if (preview_pages_info_.size())
+ LoadAvailablePreviewPage();
+}
+
+void OutOfProcessInstance::DocumentLoadFailed() {
+ DCHECK(document_load_state_ == LOAD_STATE_LOADING);
+ UserMetricsRecordAction("PDF.LoadFailure");
+
+ if (did_call_start_loading_) {
+ pp::PDF::DidStopLoading(this);
+ did_call_start_loading_ = false;
+ }
+
+ document_load_state_ = LOAD_STATE_FAILED;
+ paint_manager_.InvalidateRect(pp::Rect(pp::Point(), plugin_size_));
+
+ // Send a progress value of -1 to indicate a failure.
+ pp::VarDictionary message;
+ message.Set(pp::Var(kType), pp::Var(kJSLoadProgressType));
+ message.Set(pp::Var(kJSProgressPercentage), pp::Var(-1)) ;
+ PostMessage(message);
+}
+
+void OutOfProcessInstance::PreviewDocumentLoadFailed() {
+ UserMetricsRecordAction("PDF.PreviewDocumentLoadFailure");
+ if (preview_document_load_state_ != LOAD_STATE_LOADING ||
+ preview_pages_info_.empty()) {
+ return;
+ }
+
+ preview_document_load_state_ = LOAD_STATE_FAILED;
+ preview_pages_info_.pop();
+
+ if (preview_pages_info_.size())
+ LoadAvailablePreviewPage();
+}
+
+pp::Instance* OutOfProcessInstance::GetPluginInstance() {
+ return this;
+}
+
+void OutOfProcessInstance::DocumentHasUnsupportedFeature(
+ const std::string& feature) {
+ std::string metric("PDF_Unsupported_");
+ metric += feature;
+ if (!unsupported_features_reported_.count(metric)) {
+ unsupported_features_reported_.insert(metric);
+ UserMetricsRecordAction(metric);
+ }
+
+ // Since we use an info bar, only do this for full frame plugins..
+ if (!full_)
+ return;
+
+ if (told_browser_about_unsupported_feature_)
+ return;
+ told_browser_about_unsupported_feature_ = true;
+
+ pp::PDF::HasUnsupportedFeature(this);
+}
+
+void OutOfProcessInstance::DocumentLoadProgress(uint32 available,
+ uint32 doc_size) {
+ double progress = 0.0;
+ if (doc_size == 0) {
+ // Document size is unknown. Use heuristics.
+ // We'll make progress logarithmic from 0 to 100M.
+ static const double kFactor = log(100000000.0) / 100.0;
+ if (available > 0) {
+ progress = log(static_cast<double>(available)) / kFactor;
+ if (progress > 100.0)
+ progress = 100.0;
+ }
+ } else {
+ progress = 100.0 * static_cast<double>(available) / doc_size;
+ }
+
+ // We send 100% load progress in DocumentLoadComplete.
+ if (progress >= 100)
+ return;
+
+ // Avoid sending too many progress messages over PostMessage.
+ if (progress > last_progress_sent_ + 1) {
+ last_progress_sent_ = progress;
+ pp::VarDictionary message;
+ message.Set(pp::Var(kType), pp::Var(kJSLoadProgressType));
+ message.Set(pp::Var(kJSProgressPercentage), pp::Var(progress)) ;
+ PostMessage(message);
+ }
+}
+
+void OutOfProcessInstance::FormTextFieldFocusChange(bool in_focus) {
+ if (!text_input_.get())
+ return;
+ if (in_focus)
+ text_input_->SetTextInputType(PP_TEXTINPUT_TYPE_DEV_TEXT);
+ else
+ text_input_->SetTextInputType(PP_TEXTINPUT_TYPE_DEV_NONE);
+}
+
+void OutOfProcessInstance::ResetRecentlySentFindUpdate(int32_t /* unused */) {
+ recently_sent_find_update_ = false;
+}
+
+void OutOfProcessInstance::OnGeometryChanged(double old_zoom,
+ float old_device_scale) {
+ if (zoom_ != old_zoom || device_scale_ != old_device_scale)
+ engine_->ZoomUpdated(zoom_ * device_scale_);
+
+ available_area_ = pp::Rect(plugin_size_);
+ int doc_width = GetDocumentPixelWidth();
+ if (doc_width < available_area_.width()) {
+ available_area_.Offset((available_area_.width() - doc_width) / 2, 0);
+ available_area_.set_width(doc_width);
+ }
+ int doc_height = GetDocumentPixelHeight();
+ if (doc_height < available_area_.height()) {
+ available_area_.set_height(doc_height);
+ }
+
+ CalculateBackgroundParts();
+ engine_->PageOffsetUpdated(available_area_.point());
+ engine_->PluginSizeUpdated(available_area_.size());
+
+ if (!document_size_.GetArea())
+ return;
+ paint_manager_.InvalidateRect(pp::Rect(pp::Point(), plugin_size_));
+}
+
+void OutOfProcessInstance::LoadUrl(const std::string& url) {
+ LoadUrlInternal(url, &embed_loader_, &OutOfProcessInstance::DidOpen);
+}
+
+void OutOfProcessInstance::LoadPreviewUrl(const std::string& url) {
+ LoadUrlInternal(url, &embed_preview_loader_,
+ &OutOfProcessInstance::DidOpenPreview);
+}
+
+void OutOfProcessInstance::LoadUrlInternal(
+ const std::string& url,
+ pp::URLLoader* loader,
+ void (OutOfProcessInstance::* method)(int32_t)) {
+ pp::URLRequestInfo request(this);
+ request.SetURL(url);
+ request.SetMethod("GET");
+
+ *loader = CreateURLLoaderInternal();
+ pp::CompletionCallback callback = loader_factory_.NewCallback(method);
+ int rv = loader->Open(request, callback);
+ if (rv != PP_OK_COMPLETIONPENDING)
+ callback.Run(rv);
+}
+
+pp::URLLoader OutOfProcessInstance::CreateURLLoaderInternal() {
+ pp::URLLoader loader(this);
+
+ const PPB_URLLoaderTrusted* trusted_interface =
+ reinterpret_cast<const PPB_URLLoaderTrusted*>(
+ pp::Module::Get()->GetBrowserInterface(
+ PPB_URLLOADERTRUSTED_INTERFACE));
+ if (trusted_interface)
+ trusted_interface->GrantUniversalAccess(loader.pp_resource());
+ return loader;
+}
+
+void OutOfProcessInstance::SetZoom(double scale) {
+ double old_zoom = zoom_;
+ zoom_ = scale;
+ OnGeometryChanged(old_zoom, device_scale_);
+}
+
+std::string OutOfProcessInstance::GetLocalizedString(PP_ResourceString id) {
+ pp::Var rv(pp::PDF::GetLocalizedString(this, id));
+ if (!rv.is_string())
+ return std::string();
+
+ return rv.AsString();
+}
+
+void OutOfProcessInstance::AppendBlankPrintPreviewPages() {
+ if (print_preview_page_count_ == 0)
+ return;
+ engine_->AppendBlankPages(print_preview_page_count_);
+ if (preview_pages_info_.size() > 0)
+ LoadAvailablePreviewPage();
+}
+
+bool OutOfProcessInstance::IsPrintPreview() {
+ return IsPrintPreviewUrl(url_);
+}
+
+void OutOfProcessInstance::ProcessPreviewPageInfo(const std::string& url,
+ int dst_page_index) {
+ if (!IsPrintPreview())
+ return;
+
+ int src_page_index = ExtractPrintPreviewPageIndex(url);
+ if (src_page_index < 1)
+ return;
+
+ preview_pages_info_.push(std::make_pair(url, dst_page_index));
+ LoadAvailablePreviewPage();
+}
+
+void OutOfProcessInstance::LoadAvailablePreviewPage() {
+ if (preview_pages_info_.size() <= 0 ||
+ document_load_state_ != LOAD_STATE_COMPLETE) {
+ return;
+ }
+
+ std::string url = preview_pages_info_.front().first;
+ int dst_page_index = preview_pages_info_.front().second;
+ int src_page_index = ExtractPrintPreviewPageIndex(url);
+ if (src_page_index < 1 ||
+ dst_page_index >= print_preview_page_count_ ||
+ preview_document_load_state_ == LOAD_STATE_LOADING) {
+ return;
+ }
+
+ preview_document_load_state_ = LOAD_STATE_LOADING;
+ LoadPreviewUrl(url);
+}
+
+void OutOfProcessInstance::UserMetricsRecordAction(
+ const std::string& action) {
+ // TODO(raymes): Move this function to PPB_UMA_Private.
+ pp::PDF::UserMetricsRecordAction(this, pp::Var(action));
+}
+
+pp::Point OutOfProcessInstance::BoundScrollOffsetToDocument(
+ const pp::Point& scroll_offset) {
+ int max_x = document_size_.width() * zoom_ - plugin_dip_size_.width();
+ int x = std::max(std::min(scroll_offset.x(), max_x), 0);
+ int max_y = document_size_.height() * zoom_ - plugin_dip_size_.height();
+ int y = std::max(std::min(scroll_offset.y(), max_y), 0);
+ return pp::Point(x, y);
+}
+
+} // namespace chrome_pdf
diff --git a/xfa_test/pdf/out_of_process_instance.h b/xfa_test/pdf/out_of_process_instance.h
new file mode 100644
index 0000000000..355f050dc3
--- /dev/null
+++ b/xfa_test/pdf/out_of_process_instance.h
@@ -0,0 +1,345 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PDF_OUT_OF_PROCESS_INSTANCE_H_
+#define PDF_OUT_OF_PROCESS_INSTANCE_H_
+
+#include <queue>
+#include <set>
+#include <string>
+#include <utility>
+#include <vector>
+
+#include "base/memory/scoped_ptr.h"
+#include "pdf/paint_manager.h"
+#include "pdf/pdf_engine.h"
+#include "pdf/preview_mode_client.h"
+
+#include "ppapi/c/private/ppb_pdf.h"
+#include "ppapi/cpp/dev/printing_dev.h"
+#include "ppapi/cpp/dev/scriptable_object_deprecated.h"
+#include "ppapi/cpp/dev/selection_dev.h"
+#include "ppapi/cpp/graphics_2d.h"
+#include "ppapi/cpp/image_data.h"
+#include "ppapi/cpp/input_event.h"
+#include "ppapi/cpp/instance.h"
+#include "ppapi/cpp/private/find_private.h"
+#include "ppapi/cpp/private/uma_private.h"
+#include "ppapi/cpp/url_loader.h"
+#include "ppapi/utility/completion_callback_factory.h"
+
+namespace pp {
+class TextInput_Dev;
+}
+
+namespace chrome_pdf {
+
+class OutOfProcessInstance : public pp::Instance,
+ public pp::Find_Private,
+ public pp::Printing_Dev,
+ public pp::Selection_Dev,
+ public PaintManager::Client,
+ public PDFEngine::Client,
+ public PreviewModeClient::Client {
+ public:
+ explicit OutOfProcessInstance(PP_Instance instance);
+ virtual ~OutOfProcessInstance();
+
+ // pp::Instance implementation.
+ virtual bool Init(uint32_t argc,
+ const char* argn[],
+ const char* argv[]) override;
+ virtual void HandleMessage(const pp::Var& message) override;
+ virtual bool HandleInputEvent(const pp::InputEvent& event) override;
+ virtual void DidChangeView(const pp::View& view) override;
+
+ // pp::Find_Private implementation.
+ virtual bool StartFind(const std::string& text, bool case_sensitive) override;
+ virtual void SelectFindResult(bool forward) override;
+ virtual void StopFind() override;
+
+ // pp::PaintManager::Client implementation.
+ virtual void OnPaint(const std::vector<pp::Rect>& paint_rects,
+ std::vector<PaintManager::ReadyRect>* ready,
+ std::vector<pp::Rect>* pending) override;
+
+ // pp::Printing_Dev implementation.
+ virtual uint32_t QuerySupportedPrintOutputFormats() override;
+ virtual int32_t PrintBegin(
+ const PP_PrintSettings_Dev& print_settings) override;
+ virtual pp::Resource PrintPages(
+ const PP_PrintPageNumberRange_Dev* page_ranges,
+ uint32_t page_range_count) override;
+ virtual void PrintEnd() override;
+ virtual bool IsPrintScalingDisabled() override;
+
+ // pp::Private implementation.
+ virtual pp::Var GetLinkAtPosition(const pp::Point& point);
+
+ // PPP_Selection_Dev implementation.
+ virtual pp::Var GetSelectedText(bool html) override;
+
+ void FlushCallback(int32_t result);
+ void DidOpen(int32_t result);
+ void DidOpenPreview(int32_t result);
+
+ // Called when the timer is fired.
+ void OnClientTimerFired(int32_t id);
+
+ // Called to print without re-entrancy issues.
+ void OnPrint(int32_t);
+
+ // PDFEngine::Client implementation.
+ virtual void DocumentSizeUpdated(const pp::Size& size);
+ virtual void Invalidate(const pp::Rect& rect);
+ virtual void Scroll(const pp::Point& point);
+ virtual void ScrollToX(int position);
+ virtual void ScrollToY(int position);
+ virtual void ScrollToPage(int page);
+ virtual void NavigateTo(const std::string& url, bool open_in_new_tab);
+ virtual void UpdateCursor(PP_CursorType_Dev cursor);
+ virtual void UpdateTickMarks(const std::vector<pp::Rect>& tickmarks);
+ virtual void NotifyNumberOfFindResultsChanged(int total, bool final_result);
+ virtual void NotifySelectedFindResultChanged(int current_find_index);
+ virtual void GetDocumentPassword(
+ pp::CompletionCallbackWithOutput<pp::Var> callback);
+ virtual void Alert(const std::string& message);
+ virtual bool Confirm(const std::string& message);
+ virtual std::string Prompt(const std::string& question,
+ const std::string& default_answer);
+ virtual std::string GetURL();
+ virtual void Email(const std::string& to,
+ const std::string& cc,
+ const std::string& bcc,
+ const std::string& subject,
+ const std::string& body);
+ virtual void Print();
+ virtual void SubmitForm(const std::string& url,
+ const void* data,
+ int length);
+ virtual std::string ShowFileSelectionDialog();
+ virtual pp::URLLoader CreateURLLoader();
+ virtual void ScheduleCallback(int id, int delay_in_ms);
+ virtual void SearchString(const base::char16* string,
+ const base::char16* term,
+ bool case_sensitive,
+ std::vector<SearchStringResult>* results);
+ virtual void DocumentPaintOccurred();
+ virtual void DocumentLoadComplete(int page_count);
+ virtual void DocumentLoadFailed();
+ virtual pp::Instance* GetPluginInstance();
+ virtual void DocumentHasUnsupportedFeature(const std::string& feature);
+ virtual void DocumentLoadProgress(uint32 available, uint32 doc_size);
+ virtual void FormTextFieldFocusChange(bool in_focus);
+ virtual bool IsPrintPreview();
+
+ // PreviewModeClient::Client implementation.
+ virtual void PreviewDocumentLoadComplete() override;
+ virtual void PreviewDocumentLoadFailed() override;
+
+ // Helper functions for implementing PPP_PDF.
+ void RotateClockwise();
+ void RotateCounterclockwise();
+
+ private:
+ void ResetRecentlySentFindUpdate(int32_t);
+
+ // Called whenever the plugin geometry changes to update the location of the
+ // background parts, and notifies the pdf engine.
+ void OnGeometryChanged(double old_zoom, float old_device_scale);
+
+ // Figures out the location of any background rectangles (i.e. those that
+ // aren't painted by the PDF engine).
+ void CalculateBackgroundParts();
+
+ // Computes document width/height in device pixels, based on current zoom and
+ // device scale
+ int GetDocumentPixelWidth() const;
+ int GetDocumentPixelHeight() const;
+
+ // Draws a rectangle with the specified dimensions and color in our buffer.
+ void FillRect(const pp::Rect& rect, uint32 color);
+
+ void LoadUrl(const std::string& url);
+ void LoadPreviewUrl(const std::string& url);
+ void LoadUrlInternal(const std::string& url, pp::URLLoader* loader,
+ void (OutOfProcessInstance::* method)(int32_t));
+
+ // Creates a URL loader and allows it to access all urls, i.e. not just the
+ // frame's origin.
+ pp::URLLoader CreateURLLoaderInternal();
+
+ // Figure out the initial page to display based on #page=N and #nameddest=foo
+ // in the |url_|.
+ // Returns -1 if there is no valid fragment. The returned value is 0-based,
+ // whereas page=N is 1-based.
+ int GetInitialPage(const std::string& url);
+
+ void FormDidOpen(int32_t result);
+
+ std::string GetLocalizedString(PP_ResourceString id);
+
+ void UserMetricsRecordAction(const std::string& action);
+
+ enum DocumentLoadState {
+ LOAD_STATE_LOADING,
+ LOAD_STATE_COMPLETE,
+ LOAD_STATE_FAILED,
+ };
+
+ // Set new zoom scale.
+ void SetZoom(double scale);
+
+ // Reduces the document to 1 page and appends |print_preview_page_count_|
+ // blank pages to the document for print preview.
+ void AppendBlankPrintPreviewPages();
+
+ // Process the preview page data information. |src_url| specifies the preview
+ // page data location. The |src_url| is in the format:
+ // chrome://print/id/page_number/print.pdf
+ // |dst_page_index| specifies the blank page index that needs to be replaced
+ // with the new page data.
+ void ProcessPreviewPageInfo(const std::string& src_url, int dst_page_index);
+ // Load the next available preview page into the blank page.
+ void LoadAvailablePreviewPage();
+
+ // Bound the given scroll offset to the document.
+ pp::Point BoundScrollOffsetToDocument(const pp::Point& scroll_offset);
+
+ pp::ImageData image_data_;
+ // Used when the plugin is embedded in a page and we have to create the loader
+ // ourself.
+ pp::CompletionCallbackFactory<OutOfProcessInstance> loader_factory_;
+ pp::URLLoader embed_loader_;
+ pp::URLLoader embed_preview_loader_;
+
+ PP_CursorType_Dev cursor_; // The current cursor.
+
+ pp::CompletionCallbackFactory<OutOfProcessInstance> timer_factory_;
+
+ // Size, in pixels, of plugin rectangle.
+ pp::Size plugin_size_;
+ // Size, in DIPs, of plugin rectangle.
+ pp::Size plugin_dip_size_;
+ // Remaining area, in pixels, to render the pdf in after accounting for
+ // horizontal centering.
+ pp::Rect available_area_;
+ // Size of entire document in pixels (i.e. if each page is 800 pixels high and
+ // there are 10 pages, the height will be 8000).
+ pp::Size document_size_;
+
+ double zoom_; // Current zoom factor.
+
+ float device_scale_; // Current device scale factor.
+ bool printing_enabled_;
+ // True if the plugin is full-page.
+ bool full_;
+
+ PaintManager paint_manager_;
+
+ struct BackgroundPart {
+ pp::Rect location;
+ uint32 color;
+ };
+ std::vector<BackgroundPart> background_parts_;
+
+ struct PrintSettings {
+ PrintSettings() {
+ Clear();
+ }
+ void Clear() {
+ is_printing = false;
+ print_pages_called_ = false;
+ memset(&pepper_print_settings, 0, sizeof(pepper_print_settings));
+ }
+ // This is set to true when PrintBegin is called and false when PrintEnd is
+ // called.
+ bool is_printing;
+ // To know whether this was an actual print operation, so we don't double
+ // count UMA logging.
+ bool print_pages_called_;
+ PP_PrintSettings_Dev pepper_print_settings;
+ };
+
+ PrintSettings print_settings_;
+
+ scoped_ptr<PDFEngine> engine_;
+
+ // This engine is used to render the individual preview page data. This is
+ // used only in print preview mode. This will use |PreviewModeClient|
+ // interface which has very limited access to the pp::Instance.
+ scoped_ptr<PDFEngine> preview_engine_;
+
+ std::string url_;
+
+ // Used for submitting forms.
+ pp::CompletionCallbackFactory<OutOfProcessInstance> form_factory_;
+ pp::URLLoader form_loader_;
+
+ // Used for printing without re-entrancy issues.
+ pp::CompletionCallbackFactory<OutOfProcessInstance> print_callback_factory_;
+
+ // True if we haven't painted the plugin viewport yet.
+ bool first_paint_;
+
+ DocumentLoadState document_load_state_;
+ DocumentLoadState preview_document_load_state_;
+
+ // A UMA resource for histogram reporting.
+ pp::UMAPrivate uma_;
+
+ // Used so that we only tell the browser once about an unsupported feature, to
+ // avoid the infobar going up more than once.
+ bool told_browser_about_unsupported_feature_;
+
+ // Keeps track of which unsupported features we reported, so we avoid spamming
+ // the stats if a feature shows up many times per document.
+ std::set<std::string> unsupported_features_reported_;
+
+ // Number of pages in print preview mode, 0 if not in print preview mode.
+ int print_preview_page_count_;
+ std::vector<int> print_preview_page_numbers_;
+
+ // Used to manage loaded print preview page information. A |PreviewPageInfo|
+ // consists of data source url string and the page index in the destination
+ // document.
+ typedef std::pair<std::string, int> PreviewPageInfo;
+ std::queue<PreviewPageInfo> preview_pages_info_;
+
+ // Used to signal the browser about focus changes to trigger the OSK.
+ // TODO(abodenha@chromium.org) Implement full IME support in the plugin.
+ // http://crbug.com/132565
+ scoped_ptr<pp::TextInput_Dev> text_input_;
+
+ // The last document load progress value sent to the web page.
+ double last_progress_sent_;
+
+ // Whether an update to the number of find results found was sent less than
+ // |kFindResultCooldownMs| milliseconds ago.
+ bool recently_sent_find_update_;
+
+ // The tickmarks.
+ std::vector<pp::Rect> tickmarks_;
+
+ // Whether the plugin has received a viewport changed message. Nothing should
+ // be painted until this is received.
+ bool received_viewport_message_;
+
+ // If true, this means we told the RenderView that we're starting a network
+ // request so that it can start the throbber. We will tell it again once the
+ // document finishes loading.
+ bool did_call_start_loading_;
+
+ // If this is true, then don't scroll the plugin in response to DidChangeView
+ // messages. This will be true when the extension page is in the process of
+ // zooming the plugin so that flickering doesn't occur while zooming.
+ bool stop_scrolling_;
+
+ // The callback for receiving the password from the page.
+ scoped_ptr<pp::CompletionCallbackWithOutput<pp::Var> > password_callback_;
+};
+
+} // namespace chrome_pdf
+
+#endif // PDF_OUT_OF_PROCESS_INSTANCE_H_
diff --git a/xfa_test/pdf/page_indicator.cc b/xfa_test/pdf/page_indicator.cc
new file mode 100644
index 0000000000..c4af1e07b7
--- /dev/null
+++ b/xfa_test/pdf/page_indicator.cc
@@ -0,0 +1,127 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "pdf/page_indicator.h"
+
+#include "base/logging.h"
+#include "base/strings/string_util.h"
+#include "pdf/draw_utils.h"
+#include "pdf/number_image_generator.h"
+#include "pdf/resource_consts.h"
+
+namespace chrome_pdf {
+
+
+PageIndicator::PageIndicator()
+ : current_page_(0),
+ fade_out_timer_id_(0),
+ splash_timeout_(kPageIndicatorSplashTimeoutMs),
+ fade_timeout_(kPageIndicatorScrollFadeTimeoutMs),
+ always_visible_(false) {
+}
+
+PageIndicator::~PageIndicator() {
+}
+
+bool PageIndicator::CreatePageIndicator(
+ uint32 id,
+ bool visible,
+ Control::Owner* delegate,
+ NumberImageGenerator* number_image_generator,
+ bool always_visible) {
+ number_image_generator_ = number_image_generator;
+ always_visible_ = always_visible;
+
+ pp::Rect rc;
+ bool res = Control::Create(id, rc, visible, delegate);
+ return res;
+}
+
+void PageIndicator::Configure(const pp::Point& origin,
+ const pp::ImageData& background) {
+ background_ = background;
+ pp::Rect rc(origin, background_.size());
+ Control::SetRect(rc, false);
+}
+
+void PageIndicator::set_current_page(int current_page) {
+ if (current_page_ < 0)
+ return;
+
+ current_page_ = current_page;
+}
+
+void PageIndicator::Paint(pp::ImageData* image_data, const pp::Rect& rc) {
+ if (!visible())
+ return;
+
+ pp::Rect draw_rc = rc.Intersect(rect());
+ if (draw_rc.IsEmpty())
+ return;
+
+ // Copying the background image to a temporary buffer.
+ pp::ImageData buffer(owner()->GetInstance(), background_.format(),
+ background_.size(), false);
+ CopyImage(background_, pp::Rect(background_.size()),
+ &buffer, pp::Rect(background_.size()), false);
+
+ // Creating the page number image.
+ pp::ImageData page_number_image;
+ number_image_generator_->GenerateImage(current_page_, &page_number_image);
+
+ pp::Point origin2(
+ (buffer.size().width() - page_number_image.size().width()) / 2.5,
+ (buffer.size().height() - page_number_image.size().height()) / 2);
+
+ // Drawing page number image on the buffer.
+ if (origin2.x() > 0 && origin2.y() > 0) {
+ CopyImage(page_number_image,
+ pp::Rect(pp::Point(), page_number_image.size()),
+ &buffer,
+ pp::Rect(origin2, page_number_image.size()),
+ false);
+ }
+
+ // Drawing the buffer.
+ pp::Point origin = draw_rc.point();
+ draw_rc.Offset(-rect().x(), -rect().y());
+ AlphaBlend(buffer, draw_rc, image_data, origin, transparency());
+}
+
+void PageIndicator::OnTimerFired(uint32 timer_id) {
+ FadingControl::OnTimerFired(timer_id);
+ if (timer_id == fade_out_timer_id_) {
+ Fade(false, fade_timeout_);
+ }
+}
+
+void PageIndicator::ResetFadeOutTimer() {
+ fade_out_timer_id_ =
+ owner()->ScheduleTimer(id(), splash_timeout_);
+}
+
+void PageIndicator::OnFadeInComplete() {
+ if (!always_visible_)
+ ResetFadeOutTimer();
+}
+
+void PageIndicator::Splash() {
+ Splash(kPageIndicatorSplashTimeoutMs, kPageIndicatorScrollFadeTimeoutMs);
+}
+
+void PageIndicator::Splash(uint32 splash_timeout, uint32 fade_timeout) {
+ splash_timeout_ = splash_timeout;
+ fade_timeout_ = fade_timeout;
+ if (!always_visible_)
+ fade_out_timer_id_ = 0;
+ Fade(true, fade_timeout_);
+}
+
+int PageIndicator::GetYPosition(
+ int vertical_scrollbar_y, int document_height, int plugin_height) {
+ double percent = static_cast<double>(vertical_scrollbar_y) / document_height;
+ return (plugin_height - rect().height()) * percent;
+}
+
+} // namespace chrome_pdf
diff --git a/xfa_test/pdf/page_indicator.h b/xfa_test/pdf/page_indicator.h
new file mode 100644
index 0000000000..0d06ee1a0b
--- /dev/null
+++ b/xfa_test/pdf/page_indicator.h
@@ -0,0 +1,72 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PDF_PAGE_INDICATOR_H_
+#define PDF_PAGE_INDICATOR_H_
+
+#include <string>
+#include <vector>
+
+#include "pdf/control.h"
+#include "pdf/fading_control.h"
+#include "ppapi/cpp/image_data.h"
+#include "ppapi/cpp/point.h"
+#include "ppapi/cpp/rect.h"
+
+namespace chrome_pdf {
+
+class NumberImageGenerator;
+
+const uint32 kPageIndicatorScrollFadeTimeoutMs = 240;
+const uint32 kPageIndicatorInitialFadeTimeoutMs = 960;
+const uint32 kPageIndicatorSplashTimeoutMs = 2000;
+
+class PageIndicator : public FadingControl {
+ public:
+ PageIndicator();
+ virtual ~PageIndicator();
+ virtual bool CreatePageIndicator(
+ uint32 id,
+ bool visible,
+ Control::Owner* delegate,
+ NumberImageGenerator* number_image_generator,
+ bool always_visible);
+
+ void Configure(const pp::Point& origin, const pp::ImageData& background);
+
+ int current_page() const { return current_page_; }
+ void set_current_page(int current_page);
+
+ virtual void Splash();
+ void Splash(uint32 splash_timeout, uint32 page_timeout);
+
+ // Returns the y position where the page indicator should be drawn given the
+ // position of the scrollbar and the total document height and the plugin
+ // height.
+ int GetYPosition(
+ int vertical_scrollbar_y, int document_height, int plugin_height);
+
+ // Control interface.
+ virtual void Paint(pp::ImageData* image_data, const pp::Rect& rc);
+ virtual void OnTimerFired(uint32 timer_id);
+
+ // FadingControl interface.
+ virtual void OnFadeInComplete();
+
+ private:
+ void ResetFadeOutTimer();
+
+ int current_page_;
+ pp::ImageData background_;
+ NumberImageGenerator* number_image_generator_;
+ uint32 fade_out_timer_id_;
+ uint32 splash_timeout_;
+ uint32 fade_timeout_;
+
+ bool always_visible_;
+};
+
+} // namespace chrome_pdf
+
+#endif // PDF_PAGE_INDICATOR_H_
diff --git a/xfa_test/pdf/paint_aggregator.cc b/xfa_test/pdf/paint_aggregator.cc
new file mode 100644
index 0000000000..549cab6d09
--- /dev/null
+++ b/xfa_test/pdf/paint_aggregator.cc
@@ -0,0 +1,263 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "pdf/paint_aggregator.h"
+
+#include <algorithm>
+
+#include "base/logging.h"
+
+// ----------------------------------------------------------------------------
+// ALGORITHM NOTES
+//
+// We attempt to maintain a scroll rect in the presence of invalidations that
+// are contained within the scroll rect. If an invalidation crosses a scroll
+// rect, then we just treat the scroll rect as an invalidation rect.
+//
+// For invalidations performed prior to scrolling and contained within the
+// scroll rect, we offset the invalidation rects to account for the fact that
+// the consumer will perform scrolling before painting.
+//
+// We only support scrolling along one axis at a time. A diagonal scroll will
+// therefore be treated as an invalidation.
+// ----------------------------------------------------------------------------
+
+PaintAggregator::PaintUpdate::PaintUpdate() {
+}
+
+PaintAggregator::PaintUpdate::~PaintUpdate() {
+}
+
+PaintAggregator::InternalPaintUpdate::InternalPaintUpdate() :
+ synthesized_scroll_damage_rect_(false) {
+}
+
+PaintAggregator::InternalPaintUpdate::~InternalPaintUpdate() {
+}
+
+pp::Rect PaintAggregator::InternalPaintUpdate::GetScrollDamage() const {
+ // Should only be scrolling in one direction at a time.
+ DCHECK(!(scroll_delta.x() && scroll_delta.y()));
+
+ pp::Rect damaged_rect;
+
+ // Compute the region we will expose by scrolling, and paint that into a
+ // shared memory section.
+ if (scroll_delta.x()) {
+ int32_t dx = scroll_delta.x();
+ damaged_rect.set_y(scroll_rect.y());
+ damaged_rect.set_height(scroll_rect.height());
+ if (dx > 0) {
+ damaged_rect.set_x(scroll_rect.x());
+ damaged_rect.set_width(dx);
+ } else {
+ damaged_rect.set_x(scroll_rect.right() + dx);
+ damaged_rect.set_width(-dx);
+ }
+ } else {
+ int32_t dy = scroll_delta.y();
+ damaged_rect.set_x(scroll_rect.x());
+ damaged_rect.set_width(scroll_rect.width());
+ if (dy > 0) {
+ damaged_rect.set_y(scroll_rect.y());
+ damaged_rect.set_height(dy);
+ } else {
+ damaged_rect.set_y(scroll_rect.bottom() + dy);
+ damaged_rect.set_height(-dy);
+ }
+ }
+
+ // In case the scroll offset exceeds the width/height of the scroll rect
+ return scroll_rect.Intersect(damaged_rect);
+}
+
+PaintAggregator::PaintAggregator() {
+}
+
+bool PaintAggregator::HasPendingUpdate() const {
+ return !update_.scroll_rect.IsEmpty() || !update_.paint_rects.empty();
+}
+
+void PaintAggregator::ClearPendingUpdate() {
+ update_ = InternalPaintUpdate();
+}
+
+PaintAggregator::PaintUpdate PaintAggregator::GetPendingUpdate() {
+ // Convert the internal paint update to the external one, which includes a
+ // bit more precomputed info for the caller.
+ PaintUpdate ret;
+ ret.scroll_delta = update_.scroll_delta;
+ ret.scroll_rect = update_.scroll_rect;
+ ret.has_scroll = ret.scroll_delta.x() != 0 || ret.scroll_delta.y() != 0;
+
+ // Include the scroll damage (if any) in the paint rects.
+ // Code invalidates damaged rect here, it pick it up from the list of paint
+ // rects in the next block.
+ if (ret.has_scroll && !update_.synthesized_scroll_damage_rect_) {
+ update_.synthesized_scroll_damage_rect_ = true;
+ pp::Rect scroll_damage = update_.GetScrollDamage();
+ InvalidateRectInternal(scroll_damage, false);
+ }
+
+ ret.paint_rects.reserve(update_.paint_rects.size() + 1);
+ for (size_t i = 0; i < update_.paint_rects.size(); i++)
+ ret.paint_rects.push_back(update_.paint_rects[i]);
+
+ return ret;
+}
+
+void PaintAggregator::SetIntermediateResults(
+ const std::vector<ReadyRect>& ready,
+ const std::vector<pp::Rect>& pending) {
+ update_.ready_rects.insert(
+ update_.ready_rects.end(), ready.begin(), ready.end());
+ update_.paint_rects = pending;
+}
+
+std::vector<PaintAggregator::ReadyRect> PaintAggregator::GetReadyRects() const {
+ return update_.ready_rects;
+}
+
+void PaintAggregator::InvalidateRect(const pp::Rect& rect) {
+ InvalidateRectInternal(rect, true);
+}
+
+void PaintAggregator::ScrollRect(const pp::Rect& clip_rect,
+ const pp::Point& amount) {
+ // We only support scrolling along one axis at a time.
+ if (amount.x() != 0 && amount.y() != 0) {
+ InvalidateRect(clip_rect);
+ return;
+ }
+
+ // We can only scroll one rect at a time.
+ if (!update_.scroll_rect.IsEmpty() && update_.scroll_rect != clip_rect) {
+ InvalidateRect(clip_rect);
+ return;
+ }
+
+ // Again, we only support scrolling along one axis at a time. Make sure this
+ // update doesn't scroll on a different axis than any existing one.
+ if ((amount.x() && update_.scroll_delta.y()) ||
+ (amount.y() && update_.scroll_delta.x())) {
+ InvalidateRect(clip_rect);
+ return;
+ }
+
+ // The scroll rect is new or isn't changing (though the scroll amount may
+ // be changing).
+ update_.scroll_rect = clip_rect;
+ update_.scroll_delta += amount;
+
+ // We might have just wiped out a pre-existing scroll.
+ if (update_.scroll_delta == pp::Point()) {
+ update_.scroll_rect = pp::Rect();
+ return;
+ }
+
+ // Adjust any paint rects that intersect the scroll. For the portion of the
+ // paint that is inside the scroll area, move it by the scroll amount and
+ // replace the existing paint with it. For the portion (if any) that is
+ // outside the scroll, just invalidate it.
+ std::vector<pp::Rect> leftover_rects;
+ for (size_t i = 0; i < update_.paint_rects.size(); ++i) {
+ if (!update_.scroll_rect.Intersects(update_.paint_rects[i]))
+ continue;
+
+ pp::Rect intersection =
+ update_.paint_rects[i].Intersect(update_.scroll_rect);
+ pp::Rect rect = update_.paint_rects[i];
+ while (!rect.IsEmpty()) {
+ pp::Rect leftover = rect.Subtract(intersection);
+ if (leftover.IsEmpty())
+ break;
+ // Don't want to call InvalidateRectInternal now since it'll modify
+ // update_.paint_rects, so keep track of this and do it below.
+ leftover_rects.push_back(leftover);
+ rect = rect.Subtract(leftover);
+ }
+
+ update_.paint_rects[i] = ScrollPaintRect(intersection, amount);
+
+ // The rect may have been scrolled out of view.
+ if (update_.paint_rects[i].IsEmpty()) {
+ update_.paint_rects.erase(update_.paint_rects.begin() + i);
+ i--;
+ }
+ }
+
+ for (size_t i = 0; i < leftover_rects.size(); ++i)
+ InvalidateRectInternal(leftover_rects[i], false);
+
+ for (size_t i = 0; i < update_.ready_rects.size(); ++i) {
+ if (update_.scroll_rect.Contains(update_.ready_rects[i].rect)) {
+ update_.ready_rects[i].rect =
+ ScrollPaintRect(update_.ready_rects[i].rect, amount);
+ }
+ }
+
+ if (update_.synthesized_scroll_damage_rect_) {
+ pp::Rect damage = update_.GetScrollDamage();
+ InvalidateRect(damage);
+ }
+}
+
+pp::Rect PaintAggregator::ScrollPaintRect(const pp::Rect& paint_rect,
+ const pp::Point& amount) const {
+ pp::Rect result = paint_rect;
+ result.Offset(amount);
+ result = update_.scroll_rect.Intersect(result);
+ return result;
+}
+
+void PaintAggregator::InvalidateScrollRect() {
+ pp::Rect scroll_rect = update_.scroll_rect;
+ update_.scroll_rect = pp::Rect();
+ update_.scroll_delta = pp::Point();
+ InvalidateRect(scroll_rect);
+}
+
+void PaintAggregator::InvalidateRectInternal(const pp::Rect& rect_old,
+ bool check_scroll) {
+ pp::Rect rect = rect_old;
+ // Check if any rects that are ready to be painted overlap.
+ for (size_t i = 0; i < update_.ready_rects.size(); ++i) {
+ const pp::Rect& existing_rect = update_.ready_rects[i].rect;
+ if (rect.Intersects(existing_rect)) {
+ // Re-invalidate in case the union intersects other paint rects.
+ rect = existing_rect.Union(rect);
+ update_.ready_rects.erase(update_.ready_rects.begin() + i);
+ break;
+ }
+ }
+
+ bool add_paint = true;
+
+ // Combine overlapping paints using smallest bounding box.
+ for (size_t i = 0; i < update_.paint_rects.size(); ++i) {
+ const pp::Rect& existing_rect = update_.paint_rects[i];
+ if (existing_rect.Contains(rect)) // Optimize out redundancy.
+ add_paint = false;
+ if (rect.Intersects(existing_rect) || rect.SharesEdgeWith(existing_rect)) {
+ // Re-invalidate in case the union intersects other paint rects.
+ pp::Rect combined_rect = existing_rect.Union(rect);
+ update_.paint_rects.erase(update_.paint_rects.begin() + i);
+ InvalidateRectInternal(combined_rect, check_scroll);
+ add_paint = false;
+ }
+ }
+
+ if (add_paint) {
+ // Add a non-overlapping paint.
+ update_.paint_rects.push_back(rect);
+ }
+
+ // If the new paint overlaps with a scroll, then also invalidate the rect in
+ // its new position.
+ if (check_scroll &&
+ !update_.scroll_rect.IsEmpty() &&
+ update_.scroll_rect.Intersects(rect)) {
+ InvalidateRectInternal(ScrollPaintRect(rect, update_.scroll_delta), false);
+ }
+}
diff --git a/xfa_test/pdf/paint_aggregator.h b/xfa_test/pdf/paint_aggregator.h
new file mode 100644
index 0000000000..96f61e0878
--- /dev/null
+++ b/xfa_test/pdf/paint_aggregator.h
@@ -0,0 +1,130 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PDF_PAINT_AGGREGATOR_H_
+#define PDF_PAINT_AGGREGATOR_H_
+
+#include <vector>
+
+#include "ppapi/cpp/image_data.h"
+#include "ppapi/cpp/rect.h"
+#include "ppapi/cpp/rect.h"
+
+// This class is responsible for aggregating multiple invalidation and scroll
+// commands to produce a scroll and repaint sequence. You can use this manually
+// to track your updates, but most applications will use the PaintManager to
+// additionally handle the necessary callbacks on top of the PaintAggregator
+// functionality.
+//
+// See http://code.google.com/p/ppapi/wiki/2DPaintingModel
+class PaintAggregator {
+ public:
+ // Stores information about a rectangle that has finished painting. The
+ // PaintManager will paint it only when everything else on the screen is also
+ // ready.
+ struct ReadyRect {
+ pp::Point offset;
+ pp::Rect rect;
+ pp::ImageData image_data;
+ };
+
+ struct PaintUpdate {
+ PaintUpdate();
+ ~PaintUpdate();
+
+ // True if there is a scroll applied. This indicates that the scroll delta
+ // and scroll_rect are nonzero (just as a convenience).
+ bool has_scroll;
+
+ // The amount to scroll by. Either the X or Y may be nonzero to indicate a
+ // scroll in that direction, but there will never be a scroll in both
+ // directions at the same time (this will be converted to a paint of the
+ // region instead).
+ //
+ // If there is no scroll, this will be (0, 0).
+ pp::Point scroll_delta;
+
+ // The rectangle that should be scrolled by the scroll_delta. If there is no
+ // scroll, this will be (0, 0, 0, 0). We only track one scroll command at
+ // once. If there are multiple ones, they will be converted to invalidates.
+ pp::Rect scroll_rect;
+
+ // A list of all the individual dirty rectangles. This is an aggregated list
+ // of all invalidate calls. Different rectangles may be unified to produce a
+ // minimal list with no overlap that is more efficient to paint. This list
+ // also contains the region exposed by any scroll command.
+ std::vector<pp::Rect> paint_rects;
+ };
+
+ PaintAggregator();
+
+ // There is a PendingUpdate if InvalidateRect or ScrollRect were called and
+ // ClearPendingUpdate was not called.
+ bool HasPendingUpdate() const;
+ void ClearPendingUpdate();
+
+ PaintUpdate GetPendingUpdate();
+
+ // Sets the result of a call to the plugin to paint. This includes rects that
+ // are finished painting (ready), and ones that are still in-progress
+ // (pending).
+ void SetIntermediateResults(const std::vector<ReadyRect>& ready,
+ const std::vector<pp::Rect>& pending);
+
+ // Returns the rectangles that are ready to be painted.
+ std::vector<ReadyRect> GetReadyRects() const;
+
+ // The given rect should be repainted.
+ void InvalidateRect(const pp::Rect& rect);
+
+ // The given rect should be scrolled by the given amounts.
+ void ScrollRect(const pp::Rect& clip_rect, const pp::Point& amount);
+
+ private:
+ // This structure is an internal version of PaintUpdate. It's different in
+ // two respects:
+ //
+ // - The scroll damange (area exposed by the scroll operation, if any) is
+ // maintained separately from the dirty rects generated by calling
+ // InvalidateRect. We need to know this distinction for some operations.
+ //
+ // - The paint bounds union is computed on the fly so we don't have to keep
+ // a rectangle up-to-date as we do different operations.
+ class InternalPaintUpdate {
+ public:
+ InternalPaintUpdate();
+ ~InternalPaintUpdate();
+
+ // Computes the rect damaged by scrolling within |scroll_rect| by
+ // |scroll_delta|. This rect must be repainted. It is not included in
+ // paint_rects.
+ pp::Rect GetScrollDamage() const;
+
+ pp::Point scroll_delta;
+ pp::Rect scroll_rect;
+
+ // Does not include the scroll damage rect unless
+ // synthesized_scroll_damage_rect_ is set.
+ std::vector<pp::Rect> paint_rects;
+
+ // Rectangles that are finished painting.
+ std::vector<ReadyRect> ready_rects;
+
+ // Whether we have added the scroll damage rect to paint_rects yet or not.
+ bool synthesized_scroll_damage_rect_;
+ };
+
+ pp::Rect ScrollPaintRect(const pp::Rect& paint_rect,
+ const pp::Point& amount) const;
+ void InvalidateScrollRect();
+
+ // Internal method used by InvalidateRect. If |check_scroll| is true, then the
+ // method checks if there's a pending scroll and if so also invalidates |rect|
+ // in the new scroll position.
+ void InvalidateRectInternal(const pp::Rect& rect, bool check_scroll);
+
+ InternalPaintUpdate update_;
+};
+
+#endif // PDF_PAINT_AGGREGATOR_H_
diff --git a/xfa_test/pdf/paint_manager.cc b/xfa_test/pdf/paint_manager.cc
new file mode 100644
index 0000000000..f452b37186
--- /dev/null
+++ b/xfa_test/pdf/paint_manager.cc
@@ -0,0 +1,302 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "pdf/paint_manager.h"
+
+#include <algorithm>
+
+#include "base/logging.h"
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/cpp/instance.h"
+#include "ppapi/cpp/module.h"
+
+PaintManager::PaintManager(pp::Instance* instance,
+ Client* client,
+ bool is_always_opaque)
+ : instance_(instance),
+ client_(client),
+ is_always_opaque_(is_always_opaque),
+ callback_factory_(NULL),
+ manual_callback_pending_(false),
+ flush_pending_(false),
+ has_pending_resize_(false),
+ graphics_need_to_be_bound_(false),
+ pending_device_scale_(1.0),
+ device_scale_(1.0),
+ in_paint_(false),
+ first_paint_(true),
+ view_size_changed_waiting_for_paint_(false) {
+ // Set the callback object outside of the initializer list to avoid a
+ // compiler warning about using "this" in an initializer list.
+ callback_factory_.Initialize(this);
+
+ // You can not use a NULL client pointer.
+ DCHECK(client);
+}
+
+PaintManager::~PaintManager() {
+}
+
+// static
+pp::Size PaintManager::GetNewContextSize(const pp::Size& current_context_size,
+ const pp::Size& plugin_size) {
+ // The amount of additional space in pixels to allocate to the right/bottom of
+ // the context.
+ const int kBufferSize = 50;
+
+ // Default to returning the same size.
+ pp::Size result = current_context_size;
+
+ // The minimum size of the plugin before resizing the context to ensure we
+ // aren't wasting too much memory. We deduct twice the kBufferSize from the
+ // current context size which gives a threshhold that is kBufferSize below
+ // the plugin size when the context size was last computed.
+ pp::Size min_size(
+ std::max(current_context_size.width() - 2 * kBufferSize, 0),
+ std::max(current_context_size.height() - 2 * kBufferSize, 0));
+
+ // If the plugin size is bigger than the current context size, we need to
+ // resize the context. If the plugin size is smaller than the current
+ // context size by a given threshhold then resize the context so that we
+ // aren't wasting too much memory.
+ if (plugin_size.width() > current_context_size.width() ||
+ plugin_size.height() > current_context_size.height() ||
+ plugin_size.width() < min_size.width() ||
+ plugin_size.height() < min_size.height()) {
+ // Create a larger context than needed so that if we only resize by a
+ // small margin, we don't need a new context.
+ result = pp::Size(plugin_size.width() + kBufferSize,
+ plugin_size.height() + kBufferSize);
+ }
+
+ return result;
+}
+
+void PaintManager::Initialize(pp::Instance* instance,
+ Client* client,
+ bool is_always_opaque) {
+ DCHECK(!instance_ && !client_); // Can't initialize twice.
+ instance_ = instance;
+ client_ = client;
+ is_always_opaque_ = is_always_opaque;
+}
+
+void PaintManager::SetSize(const pp::Size& new_size, float device_scale) {
+ if (GetEffectiveSize() == new_size &&
+ GetEffectiveDeviceScale() == device_scale)
+ return;
+
+ has_pending_resize_ = true;
+ pending_size_ = new_size;
+ pending_device_scale_ = device_scale;
+
+ view_size_changed_waiting_for_paint_ = true;
+
+ Invalidate();
+}
+
+void PaintManager::Invalidate() {
+ // You must call SetSize before using.
+ DCHECK(!graphics_.is_null() || has_pending_resize_);
+
+ EnsureCallbackPending();
+ aggregator_.InvalidateRect(pp::Rect(GetEffectiveSize()));
+}
+
+void PaintManager::InvalidateRect(const pp::Rect& rect) {
+ DCHECK(!in_paint_);
+
+ // You must call SetSize before using.
+ DCHECK(!graphics_.is_null() || has_pending_resize_);
+
+ // Clip the rect to the device area.
+ pp::Rect clipped_rect = rect.Intersect(pp::Rect(GetEffectiveSize()));
+ if (clipped_rect.IsEmpty())
+ return; // Nothing to do.
+
+ EnsureCallbackPending();
+ aggregator_.InvalidateRect(clipped_rect);
+}
+
+void PaintManager::ScrollRect(const pp::Rect& clip_rect,
+ const pp::Point& amount) {
+ DCHECK(!in_paint_);
+
+ // You must call SetSize before using.
+ DCHECK(!graphics_.is_null() || has_pending_resize_);
+
+ EnsureCallbackPending();
+
+ aggregator_.ScrollRect(clip_rect, amount);
+}
+
+pp::Size PaintManager::GetEffectiveSize() const {
+ return has_pending_resize_ ? pending_size_ : plugin_size_;
+}
+
+float PaintManager::GetEffectiveDeviceScale() const {
+ return has_pending_resize_ ? pending_device_scale_ : device_scale_;
+}
+
+void PaintManager::EnsureCallbackPending() {
+ // The best way for us to do the next update is to get a notification that
+ // a previous one has completed. So if we're already waiting for one, we
+ // don't have to do anything differently now.
+ if (flush_pending_)
+ return;
+
+ // If no flush is pending, we need to do a manual call to get back to the
+ // main thread. We may have one already pending, or we may need to schedule.
+ if (manual_callback_pending_)
+ return;
+
+ pp::Module::Get()->core()->CallOnMainThread(
+ 0,
+ callback_factory_.NewCallback(&PaintManager::OnManualCallbackComplete),
+ 0);
+ manual_callback_pending_ = true;
+}
+
+void PaintManager::DoPaint() {
+ in_paint_ = true;
+
+ std::vector<ReadyRect> ready;
+ std::vector<pp::Rect> pending;
+
+ DCHECK(aggregator_.HasPendingUpdate());
+
+ // Apply any pending resize. Setting the graphics to this class must happen
+ // before asking the plugin to paint in case it requests invalides or resizes.
+ // However, the bind must not happen until afterward since we don't want to
+ // have an unpainted device bound. The needs_binding flag tells us whether to
+ // do this later.
+ if (has_pending_resize_) {
+ plugin_size_ = pending_size_;
+ // Only create a new graphics context if the current context isn't big
+ // enough or if it is far too big. This avoids creating a new context if
+ // we only resize by a small amount.
+ pp::Size new_size = GetNewContextSize(graphics_.size(), pending_size_);
+ if (graphics_.size() != new_size) {
+ graphics_ = pp::Graphics2D(instance_, new_size, is_always_opaque_);
+ graphics_need_to_be_bound_ = true;
+
+ // Since we're binding a new one, all of the callbacks have been canceled.
+ manual_callback_pending_ = false;
+ flush_pending_ = false;
+ callback_factory_.CancelAll();
+ }
+
+ if (pending_device_scale_ != 1.0)
+ graphics_.SetScale(1.0 / pending_device_scale_);
+ device_scale_ = pending_device_scale_;
+
+ // This must be cleared before calling into the plugin since it may do
+ // additional invalidation or sizing operations.
+ has_pending_resize_ = false;
+ pending_size_ = pp::Size();
+ }
+
+ PaintAggregator::PaintUpdate update = aggregator_.GetPendingUpdate();
+ client_->OnPaint(update.paint_rects, &ready, &pending);
+
+ if (ready.empty() && pending.empty()) {
+ in_paint_ = false;
+ return; // Nothing was painted, don't schedule a flush.
+ }
+
+ std::vector<PaintAggregator::ReadyRect> ready_now;
+ if (pending.empty()) {
+ std::vector<PaintAggregator::ReadyRect> temp_ready;
+ for (size_t i = 0; i < ready.size(); ++i)
+ temp_ready.push_back(ready[i]);
+ aggregator_.SetIntermediateResults(temp_ready, pending);
+ ready_now = aggregator_.GetReadyRects();
+ aggregator_.ClearPendingUpdate();
+
+ // Apply any scroll first.
+ if (update.has_scroll)
+ graphics_.Scroll(update.scroll_rect, update.scroll_delta);
+
+ view_size_changed_waiting_for_paint_ = false;
+ } else {
+ std::vector<PaintAggregator::ReadyRect> ready_later;
+ for (size_t i = 0; i < ready.size(); ++i) {
+ // Don't flush any part (i.e. scrollbars) if we're resizing the browser,
+ // as that'll lead to flashes. Until we flush, the browser will use the
+ // previous image, but if we flush, it'll revert to using the blank image.
+ // We make an exception for the first paint since we want to show the
+ // default background color instead of the pepper default of black.
+ if (ready[i].flush_now &&
+ (!view_size_changed_waiting_for_paint_ || first_paint_)) {
+ ready_now.push_back(ready[i]);
+ } else {
+ ready_later.push_back(ready[i]);
+ }
+ }
+ // Take the rectangles, except the ones that need to be flushed right away,
+ // and save them so that everything is flushed at once.
+ aggregator_.SetIntermediateResults(ready_later, pending);
+
+ if (ready_now.empty()) {
+ in_paint_ = false;
+ EnsureCallbackPending();
+ return;
+ }
+ }
+
+ for (size_t i = 0; i < ready_now.size(); ++i) {
+ graphics_.PaintImageData(
+ ready_now[i].image_data, ready_now[i].offset, ready_now[i].rect);
+ }
+
+ int32_t result = graphics_.Flush(
+ callback_factory_.NewCallback(&PaintManager::OnFlushComplete));
+
+ // If you trigger this assertion, then your plugin has called Flush()
+ // manually. When using the PaintManager, you should not call Flush, it will
+ // handle that for you because it needs to know when it can do the next paint
+ // by implementing the flush callback.
+ //
+ // Another possible cause of this assertion is re-using devices. If you
+ // use one device, swap it with another, then swap it back, we won't know
+ // that we've already scheduled a Flush on the first device. It's best to not
+ // re-use devices in this way.
+ DCHECK(result != PP_ERROR_INPROGRESS);
+
+ if (result == PP_OK_COMPLETIONPENDING) {
+ flush_pending_ = true;
+ } else {
+ DCHECK(result == PP_OK); // Catch all other errors in debug mode.
+ }
+
+ in_paint_ = false;
+ first_paint_ = false;
+
+ if (graphics_need_to_be_bound_) {
+ instance_->BindGraphics(graphics_);
+ graphics_need_to_be_bound_ = false;
+ }
+}
+
+void PaintManager::OnFlushComplete(int32_t) {
+ DCHECK(flush_pending_);
+ flush_pending_ = false;
+
+ // If more paints were enqueued while we were waiting for the flush to
+ // complete, execute them now.
+ if (aggregator_.HasPendingUpdate())
+ DoPaint();
+}
+
+void PaintManager::OnManualCallbackComplete(int32_t) {
+ DCHECK(manual_callback_pending_);
+ manual_callback_pending_ = false;
+
+ // Just because we have a manual callback doesn't mean there are actually any
+ // invalid regions. Even though we only schedule this callback when something
+ // is pending, a Flush callback could have come in before this callback was
+ // executed and that could have cleared the queue.
+ if (aggregator_.HasPendingUpdate())
+ DoPaint();
+}
diff --git a/xfa_test/pdf/paint_manager.h b/xfa_test/pdf/paint_manager.h
new file mode 100644
index 0000000000..7755eb6829
--- /dev/null
+++ b/xfa_test/pdf/paint_manager.h
@@ -0,0 +1,205 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PDF_PAINT_MANAGER_H_
+#define PDF_PAINT_MANAGER_H_
+
+#include <vector>
+
+#include "pdf/paint_aggregator.h"
+#include "ppapi/cpp/graphics_2d.h"
+#include "ppapi/utility/completion_callback_factory.h"
+
+namespace pp {
+class Graphics2D;
+class Instance;
+class Point;
+class Rect;
+};
+
+// Custom PaintManager for the PDF plugin. This is branched from the Pepper
+// version. The difference is that this supports progressive rendering of dirty
+// rects, where multiple calls to the rendering engine are needed. It also
+// supports having higher-priority rects flushing right away, i.e. the
+// scrollbars.
+//
+// The client's OnPaint
+class PaintManager {
+ public:
+ // Like PaintAggregator's version, but allows the plugin to tell us whether
+ // it should be flushed to the screen immediately or when the rest of the
+ // plugin viewport is ready.
+ struct ReadyRect {
+ pp::Point offset;
+ pp::Rect rect;
+ pp::ImageData image_data;
+ bool flush_now;
+
+ ReadyRect(const pp::Rect& r, const pp::ImageData& i, bool f)
+ : rect(r), image_data(i), flush_now(f) {}
+
+ operator PaintAggregator::ReadyRect() const {
+ PaintAggregator::ReadyRect rv;
+ rv.offset = offset;
+ rv.rect = rect;
+ rv.image_data = image_data;
+ return rv;
+ }
+ };
+ class Client {
+ public:
+ // Paints the given invalid area of the plugin to the given graphics
+ // device. Returns true if anything was painted.
+ //
+ // You are given the list of rects to paint in |paint_rects|. You can
+ // combine painting into less rectangles if it's more efficient. When a
+ // rect is painted, information about that paint should be inserted into
+ // |ready|. Otherwise if a paint needs more work, add the rect to
+ // |pending|. If |pending| is not empty, your OnPaint function will get
+ // called again. Once OnPaint is called and it returns no pending rects,
+ // all the previously ready rects will be flushed on screen. The exception
+ // is for ready rects that have |flush_now| set to true. These will be
+ // flushed right away.
+ //
+ // Do not call Flush() on the graphics device, this will be done
+ // automatically if you return true from this function since the
+ // PaintManager needs to handle the callback.
+ //
+ // Calling Invalidate/Scroll is not allowed while inside an OnPaint
+ virtual void OnPaint(const std::vector<pp::Rect>& paint_rects,
+ std::vector<ReadyRect>* ready,
+ std::vector<pp::Rect>* pending) = 0;
+ protected:
+ // You shouldn't be doing deleting through this interface.
+ virtual ~Client() {}
+ };
+
+ // The instance is the plugin instance using this paint manager to do its
+ // painting. Painting will automatically go to this instance and you don't
+ // have to manually bind any device context (this is all handled by the
+ // paint manager).
+ //
+ // The Client is a non-owning pointer and must remain valid (normally the
+ // object implementing the Client interface will own the paint manager).
+ //
+ // The is_always_opaque flag will be passed to the device contexts that this
+ // class creates. Set this to true if your plugin always draws an opaque
+ // image to the device. This is used as a hint to the browser that it does
+ // not need to do alpha blending, which speeds up painting. If you generate
+ // non-opqaue pixels or aren't sure, set this to false for more general
+ // blending.
+ //
+ // If you set is_always_opaque, your alpha channel should always be set to
+ // 0xFF or there may be painting artifacts. Being opaque will allow the
+ // browser to do a memcpy rather than a blend to paint the plugin, and this
+ // means your alpha values will get set on the page backing store. If these
+ // values are incorrect, it could mess up future blending. If you aren't
+ // sure, it is always correct to specify that it it not opaque.
+ //
+ // You will need to call SetSize before this class will do anything. Normally
+ // you do this from the ViewChanged method of your plugin instance.
+ PaintManager(pp::Instance* instance, Client* client, bool is_always_opaque);
+
+ ~PaintManager();
+
+ // Returns the size of the graphics context to allocate for a given plugin
+ // size. We may allocated a slightly larger buffer than required so that we
+ // don't have to resize the context when scrollbars appear/dissapear due to
+ // zooming (which can result in flickering).
+ static pp::Size GetNewContextSize(const pp::Size& current_context_size,
+ const pp::Size& plugin_size);
+
+ // You must call this function before using if you use the 0-arg constructor.
+ // See the constructor for what these arguments mean.
+ void Initialize(pp::Instance* instance, Client* client,
+ bool is_always_opaque);
+
+ // Sets the size of the plugin. If the size is the same as the previous call,
+ // this will be a NOP. If the size has changed, a new device will be
+ // allocated to the given size and a paint to that device will be scheduled.
+ //
+ // This is intended to be called from ViewChanged with the size of the
+ // plugin. Since it tracks the old size and only allocates when the size
+ // changes, you can always call this function without worrying about whether
+ // the size changed or ViewChanged is called for another reason (like the
+ // position changed).
+ void SetSize(const pp::Size& new_size, float new_device_scale);
+
+ // Invalidate the entire plugin.
+ void Invalidate();
+
+ // Invalidate the given rect.
+ void InvalidateRect(const pp::Rect& rect);
+
+ // The given rect should be scrolled by the given amounts.
+ void ScrollRect(const pp::Rect& clip_rect, const pp::Point& amount);
+
+ // Returns the size of the graphics context for the next paint operation.
+ // This is the pending size if a resize is pending (the plugin has called
+ // SetSize but we haven't actually painted it yet), or the current size of
+ // no resize is pending.
+ pp::Size GetEffectiveSize() const;
+ float GetEffectiveDeviceScale() const;
+
+ private:
+ // Disallow copy and assign (these are unimplemented).
+ PaintManager(const PaintManager&);
+ PaintManager& operator=(const PaintManager&);
+
+ // Makes sure there is a callback that will trigger a paint at a later time.
+ // This will be either a Flush callback telling us we're allowed to generate
+ // more data, or, if there's no flush callback pending, a manual call back
+ // to the message loop via ExecuteOnMainThread.
+ void EnsureCallbackPending();
+
+ // Does the client paint and executes a Flush if necessary.
+ void DoPaint();
+
+ // Callback for asynchronous completion of Flush.
+ void OnFlushComplete(int32_t);
+
+ // Callback for manual scheduling of paints when there is no flush callback
+ // pending.
+ void OnManualCallbackComplete(int32_t);
+
+ pp::Instance* instance_;
+
+ // Non-owning pointer. See the constructor.
+ Client* client_;
+
+ bool is_always_opaque_;
+
+ pp::CompletionCallbackFactory<PaintManager> callback_factory_;
+
+ // This graphics device will be is_null() if no graphics has been manually
+ // set yet.
+ pp::Graphics2D graphics_;
+
+ PaintAggregator aggregator_;
+
+ // See comment for EnsureCallbackPending for more on how these work.
+ bool manual_callback_pending_;
+ bool flush_pending_;
+
+ // When we get a resize, we don't bind right away (see SetSize). The
+ // has_pending_resize_ tells us that we need to do a resize for the next
+ // paint operation. When true, the new size is in pending_size_.
+ bool has_pending_resize_;
+ bool graphics_need_to_be_bound_;
+ pp::Size pending_size_;
+ pp::Size plugin_size_;
+ float pending_device_scale_;
+ float device_scale_;
+
+ // True iff we're in the middle of a paint.
+ bool in_paint_;
+
+ // True if we haven't painted the plugin viewport yet.
+ bool first_paint_;
+
+ // True when the view size just changed and we're waiting for a paint.
+ bool view_size_changed_waiting_for_paint_;
+};
+
+#endif // PDF_PAINT_MANAGER_H_
diff --git a/xfa_test/pdf/pdf.cc b/xfa_test/pdf/pdf.cc
new file mode 100644
index 0000000000..6a4507f4fc
--- /dev/null
+++ b/xfa_test/pdf/pdf.cc
@@ -0,0 +1,275 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "pdf/pdf.h"
+
+#if defined(OS_WIN)
+#include <windows.h>
+#endif
+
+#include "base/command_line.h"
+#include "base/logging.h"
+#include "pdf/instance.h"
+#include "pdf/out_of_process_instance.h"
+#include "ppapi/c/ppp.h"
+#include "ppapi/cpp/private/pdf.h"
+
+bool g_sdk_initialized_via_pepper = false;
+
+// The Mac release builds discard CreateModule and the entire PDFModule
+// definition because they are not referenced here. This causes the Pepper
+// exports (PPP_GetInterface etc) to not be exported. So we force the linker
+// to include this code by using __attribute__((used)).
+#if __GNUC__ >= 4
+#define PDF_USED __attribute__((used))
+#else
+#define PDF_USED
+#endif
+
+#if defined(OS_WIN)
+HMODULE g_hmodule;
+
+void HandleInvalidParameter(const wchar_t* expression,
+ const wchar_t* function,
+ const wchar_t* file,
+ unsigned int line,
+ uintptr_t reserved) {
+ // Do the same as Chrome's CHECK(false) which is undefined.
+ ::base::debug::BreakDebugger();
+ return;
+}
+
+void HandlePureVirtualCall() {
+ // Do the same as Chrome's CHECK(false) which is undefined.
+ ::base::debug::BreakDebugger();
+ return;
+}
+
+
+BOOL APIENTRY DllMain(HMODULE module, DWORD reason_for_call, LPVOID reserved) {
+ g_hmodule = module;
+ if (reason_for_call == DLL_PROCESS_ATTACH) {
+ // On windows following handlers work only inside module. So breakpad in
+ // chrome.dll does not catch that. To avoid linking related code or
+ // duplication breakpad_win.cc::InitCrashReporter() just catch errors here
+ // and crash in a way interceptable by breakpad of parent module.
+ _set_invalid_parameter_handler(HandleInvalidParameter);
+ _set_purecall_handler(HandlePureVirtualCall);
+ }
+ return TRUE;
+}
+
+#endif
+
+namespace pp {
+
+PDF_USED Module* CreateModule() {
+ return new chrome_pdf::PDFModule();
+}
+
+} // namespace pp
+
+namespace chrome_pdf {
+
+PDFModule::PDFModule() {
+}
+
+PDFModule::~PDFModule() {
+ if (g_sdk_initialized_via_pepper) {
+ chrome_pdf::ShutdownSDK();
+ g_sdk_initialized_via_pepper = false;
+ }
+}
+
+bool PDFModule::Init() {
+ return true;
+}
+
+pp::Instance* PDFModule::CreateInstance(PP_Instance instance) {
+ if (!g_sdk_initialized_via_pepper) {
+ void* data = NULL;
+#if defined(OS_WIN)
+ data = g_hmodule;
+#endif
+ if (!chrome_pdf::InitializeSDK(data))
+ return NULL;
+ g_sdk_initialized_via_pepper = true;
+ }
+
+ if (pp::PDF::IsOutOfProcess(pp::InstanceHandle(instance)))
+ return new OutOfProcessInstance(instance);
+ return new Instance(instance);
+}
+
+} // namespace chrome_pdf
+
+extern "C" {
+
+// TODO(sanjeevr): It might make sense to provide more stateful wrappers over
+// the internal PDF SDK (such as LoadDocument, LoadPage etc). Determine if we
+// need to provide this.
+// Wrapper exports over the PDF engine that can be used by an external module
+// such as Chrome (since Chrome cannot directly pull in PDFium sources).
+#if defined(OS_WIN)
+// |pdf_buffer| is the buffer that contains the entire PDF document to be
+// rendered.
+// |buffer_size| is the size of |pdf_buffer| in bytes.
+// |page_number| is the 0-based index of the page to be rendered.
+// |dc| is the device context to render into.
+// |dpi_x| and |dpi_y| are the x and y resolutions respectively. If either
+// value is -1, the dpi from the DC will be used.
+// |bounds_origin_x|, |bounds_origin_y|, |bounds_width| and |bounds_height|
+// specify a bounds rectangle within the DC in which to render the PDF
+// page.
+// |fit_to_bounds| specifies whether the output should be shrunk to fit the
+// supplied bounds if the page size is larger than the bounds in any
+// dimension. If this is false, parts of the PDF page that lie outside
+// the bounds will be clipped.
+// |stretch_to_bounds| specifies whether the output should be stretched to fit
+// the supplied bounds if the page size is smaller than the bounds in any
+// dimension.
+// If both |fit_to_bounds| and |stretch_to_bounds| are true, then
+// |fit_to_bounds| is honored first.
+// |keep_aspect_ratio| If any scaling is to be done is true, this flag
+// specifies whether the original aspect ratio of the page should be
+// preserved while scaling.
+// |center_in_bounds| specifies whether the final image (after any scaling is
+// done) should be centered within the given bounds.
+// |autorotate| specifies whether the final image should be rotated to match
+// the output bound.
+// Returns false if the document or the page number are not valid.
+PP_EXPORT bool RenderPDFPageToDC(const void* pdf_buffer,
+ int buffer_size,
+ int page_number,
+ HDC dc,
+ int dpi_x,
+ int dpi_y,
+ int bounds_origin_x,
+ int bounds_origin_y,
+ int bounds_width,
+ int bounds_height,
+ bool fit_to_bounds,
+ bool stretch_to_bounds,
+ bool keep_aspect_ratio,
+ bool center_in_bounds,
+ bool autorotate) {
+ if (!g_sdk_initialized_via_pepper) {
+ if (!chrome_pdf::InitializeSDK(g_hmodule)) {
+ return false;
+ }
+ }
+ scoped_ptr<chrome_pdf::PDFEngineExports> engine_exports(
+ chrome_pdf::PDFEngineExports::Create());
+ chrome_pdf::PDFEngineExports::RenderingSettings settings(
+ dpi_x, dpi_y, pp::Rect(bounds_origin_x, bounds_origin_y, bounds_width,
+ bounds_height),
+ fit_to_bounds, stretch_to_bounds, keep_aspect_ratio, center_in_bounds,
+ autorotate);
+ bool ret = engine_exports->RenderPDFPageToDC(pdf_buffer, buffer_size,
+ page_number, settings, dc);
+ if (!g_sdk_initialized_via_pepper) {
+ chrome_pdf::ShutdownSDK();
+ }
+ return ret;
+}
+
+#endif // OS_WIN
+
+// |page_count| and |max_page_width| are optional and can be NULL.
+// Returns false if the document is not valid.
+PDF_USED PP_EXPORT
+bool GetPDFDocInfo(const void* pdf_buffer,
+ int buffer_size, int* page_count,
+ double* max_page_width) {
+ if (!g_sdk_initialized_via_pepper) {
+ void* data = NULL;
+#if defined(OS_WIN)
+ data = g_hmodule;
+#endif
+ if (!chrome_pdf::InitializeSDK(data))
+ return false;
+ }
+ scoped_ptr<chrome_pdf::PDFEngineExports> engine_exports(
+ chrome_pdf::PDFEngineExports::Create());
+ bool ret = engine_exports->GetPDFDocInfo(
+ pdf_buffer, buffer_size, page_count, max_page_width);
+ if (!g_sdk_initialized_via_pepper) {
+ chrome_pdf::ShutdownSDK();
+ }
+ return ret;
+}
+
+// Gets the dimensions of a specific page in a document.
+// |pdf_buffer| is the buffer that contains the entire PDF document to be
+// rendered.
+// |pdf_buffer_size| is the size of |pdf_buffer| in bytes.
+// |page_number| is the page number that the function will get the dimensions
+// of.
+// |width| is the output for the width of the page in points.
+// |height| is the output for the height of the page in points.
+// Returns false if the document or the page number are not valid.
+PDF_USED PP_EXPORT
+bool GetPDFPageSizeByIndex(const void* pdf_buffer,
+ int pdf_buffer_size, int page_number,
+ double* width, double* height) {
+ if (!g_sdk_initialized_via_pepper) {
+ void* data = NULL;
+#if defined(OS_WIN)
+ data = g_hmodule;
+#endif
+ if (!chrome_pdf::InitializeSDK(data))
+ return false;
+ }
+ scoped_ptr<chrome_pdf::PDFEngineExports> engine_exports(
+ chrome_pdf::PDFEngineExports::Create());
+ bool ret = engine_exports->GetPDFPageSizeByIndex(
+ pdf_buffer, pdf_buffer_size, page_number, width, height);
+ if (!g_sdk_initialized_via_pepper)
+ chrome_pdf::ShutdownSDK();
+ return ret;
+}
+
+// Renders PDF page into 4-byte per pixel BGRA color bitmap.
+// |pdf_buffer| is the buffer that contains the entire PDF document to be
+// rendered.
+// |pdf_buffer_size| is the size of |pdf_buffer| in bytes.
+// |page_number| is the 0-based index of the page to be rendered.
+// |bitmap_buffer| is the output buffer for bitmap.
+// |bitmap_width| is the width of the output bitmap.
+// |bitmap_height| is the height of the output bitmap.
+// |dpi| is the resolutions.
+// |autorotate| specifies whether the final image should be rotated to match
+// the output bound.
+// Returns false if the document or the page number are not valid.
+PDF_USED PP_EXPORT
+bool RenderPDFPageToBitmap(const void* pdf_buffer,
+ int pdf_buffer_size,
+ int page_number,
+ void* bitmap_buffer,
+ int bitmap_width,
+ int bitmap_height,
+ int dpi,
+ bool autorotate) {
+ if (!g_sdk_initialized_via_pepper) {
+ void* data = NULL;
+#if defined(OS_WIN)
+ data = g_hmodule;
+#endif
+ if (!chrome_pdf::InitializeSDK(data))
+ return false;
+ }
+ scoped_ptr<chrome_pdf::PDFEngineExports> engine_exports(
+ chrome_pdf::PDFEngineExports::Create());
+ chrome_pdf::PDFEngineExports::RenderingSettings settings(
+ dpi, dpi, pp::Rect(bitmap_width, bitmap_height), true, false, true, true,
+ autorotate);
+ bool ret = engine_exports->RenderPDFPageToBitmap(
+ pdf_buffer, pdf_buffer_size, page_number, settings, bitmap_buffer);
+ if (!g_sdk_initialized_via_pepper) {
+ chrome_pdf::ShutdownSDK();
+ }
+ return ret;
+}
+
+} // extern "C"
diff --git a/xfa_test/pdf/pdf.def b/xfa_test/pdf/pdf.def
new file mode 100644
index 0000000000..b36918bb27
--- /dev/null
+++ b/xfa_test/pdf/pdf.def
@@ -0,0 +1,7 @@
+LIBRARY pdf
+
+EXPORTS
+ NP_GetEntryPoints @1
+ NP_Initialize @2
+ NP_Shutdown @3
+
diff --git a/xfa_test/pdf/pdf.gyp b/xfa_test/pdf/pdf.gyp
new file mode 100644
index 0000000000..f1e8e3e658
--- /dev/null
+++ b/xfa_test/pdf/pdf.gyp
@@ -0,0 +1,200 @@
+{
+ 'variables': {
+ 'chromium_code': 1,
+ 'pdf_engine%': 0, # 0 PDFium
+ },
+ 'target_defaults': {
+ 'cflags': [
+ '-fPIC',
+ ],
+ },
+ 'targets': [
+ {
+ 'target_name': 'pdf',
+ 'type': 'loadable_module',
+ 'msvs_guid': '647863C0-C7A3-469A-B1ED-AD7283C34BED',
+ 'dependencies': [
+ '../base/base.gyp:base',
+ '../net/net.gyp:net',
+ '../ppapi/ppapi.gyp:ppapi_cpp',
+ '../third_party/pdfium/pdfium.gyp:pdfium',
+ ],
+ 'xcode_settings': {
+ 'INFOPLIST_FILE': 'Info.plist',
+ },
+ 'mac_framework_dirs': [
+ '$(SDKROOT)/System/Library/Frameworks/ApplicationServices.framework/Frameworks',
+ ],
+ 'ldflags': [ '-L<(PRODUCT_DIR)',],
+ 'sources': [
+ 'button.h',
+ 'button.cc',
+ 'chunk_stream.h',
+ 'chunk_stream.cc',
+ 'control.h',
+ 'control.cc',
+ 'document_loader.h',
+ 'document_loader.cc',
+ 'draw_utils.cc',
+ 'draw_utils.h',
+ 'fading_control.cc',
+ 'fading_control.h',
+ 'fading_controls.cc',
+ 'fading_controls.h',
+ 'instance.cc',
+ 'instance.h',
+ 'number_image_generator.cc',
+ 'number_image_generator.h',
+ 'out_of_process_instance.cc',
+ 'out_of_process_instance.h',
+ 'page_indicator.cc',
+ 'page_indicator.h',
+ 'paint_aggregator.cc',
+ 'paint_aggregator.h',
+ 'paint_manager.cc',
+ 'paint_manager.h',
+ 'pdf.cc',
+ 'pdf.h',
+ 'pdf.rc',
+ 'progress_control.cc',
+ 'progress_control.h',
+ 'pdf_engine.h',
+ 'preview_mode_client.cc',
+ 'preview_mode_client.h',
+ 'resource.h',
+ 'resource_consts.h',
+ 'thumbnail_control.cc',
+ 'thumbnail_control.h',
+ '../chrome/browser/chrome_page_zoom_constants.cc',
+ '../content/common/page_zoom.cc',
+ ],
+ 'conditions': [
+ ['pdf_engine==0', {
+ 'sources': [
+ 'pdfium/pdfium_assert_matching_enums.cc',
+ 'pdfium/pdfium_engine.cc',
+ 'pdfium/pdfium_engine.h',
+ 'pdfium/pdfium_mem_buffer_file_read.cc',
+ 'pdfium/pdfium_mem_buffer_file_read.h',
+ 'pdfium/pdfium_mem_buffer_file_write.cc',
+ 'pdfium/pdfium_mem_buffer_file_write.h',
+ 'pdfium/pdfium_page.cc',
+ 'pdfium/pdfium_page.h',
+ 'pdfium/pdfium_range.cc',
+ 'pdfium/pdfium_range.h',
+ ],
+ }],
+ ['OS!="win"', {
+ 'sources!': [
+ 'pdf.rc',
+ ],
+ }],
+ ['OS=="mac"', {
+ 'mac_bundle': 1,
+ 'product_name': 'PDF',
+ 'product_extension': 'plugin',
+ # Strip the shipping binary of symbols so "Foxit" doesn't appear in
+ # the binary. Symbols are stored in a separate .dSYM.
+ 'variables': {
+ 'mac_real_dsym': 1,
+ },
+ 'sources+': [
+ 'Info.plist'
+ ],
+ }],
+ ['OS=="win"', {
+ 'defines': [
+ 'COMPILE_CONTENT_STATICALLY',
+ ],
+ # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
+ 'msvs_disabled_warnings': [ 4267, ],
+ }],
+ ['OS=="linux"', {
+ 'configurations': {
+ 'Release_Base': {
+ #'cflags': [ '-fno-weak',], # get rid of symbols that strip doesn't remove.
+ # Don't do this for now since official builder will take care of it. That
+ # way symbols can still be uploaded to the crash server.
+ #'ldflags': [ '-s',], # strip local symbols from binary.
+ },
+ },
+ }],
+ ],
+ },
+ ],
+ 'conditions': [
+ # CrOS has a separate step to do this.
+ ['OS=="linux" and chromeos==0',
+ { 'targets': [
+ {
+ 'target_name': 'pdf_linux_symbols',
+ 'type': 'none',
+ 'conditions': [
+ ['linux_dump_symbols==1', {
+ 'actions': [
+ {
+ 'action_name': 'dump_symbols',
+ 'inputs': [
+ '<(DEPTH)/build/linux/dump_app_syms',
+ '<(PRODUCT_DIR)/dump_syms',
+ '<(PRODUCT_DIR)/libpdf.so',
+ ],
+ 'outputs': [
+ '<(PRODUCT_DIR)/libpdf.so.breakpad.<(target_arch)',
+ ],
+ 'action': ['<(DEPTH)/build/linux/dump_app_syms',
+ '<(PRODUCT_DIR)/dump_syms',
+ '<(linux_strip_binary)',
+ '<(PRODUCT_DIR)/libpdf.so',
+ '<@(_outputs)'],
+ 'message': 'Dumping breakpad symbols to <(_outputs)',
+ 'process_outputs_as_sources': 1,
+ },
+ ],
+ 'dependencies': [
+ 'pdf',
+ '../breakpad/breakpad.gyp:dump_syms',
+ ],
+ }],
+ ],
+ },
+ ],
+ },], # OS=="linux" and chromeos==0
+ ['OS=="win" and fastbuild==0 and target_arch=="ia32" and syzyasan==1', {
+ 'variables': {
+ 'dest_dir': '<(PRODUCT_DIR)/syzygy',
+ },
+ 'targets': [
+ {
+ 'target_name': 'pdf_syzyasan',
+ 'type': 'none',
+ 'sources' : [],
+ 'dependencies': [
+ 'pdf',
+ ],
+ # Instrument PDFium with SyzyAsan.
+ 'actions': [
+ {
+ 'action_name': 'Instrument PDFium with SyzyAsan',
+ 'inputs': [
+ '<(PRODUCT_DIR)/pdf.dll',
+ ],
+ 'outputs': [
+ '<(dest_dir)/pdf.dll',
+ '<(dest_dir)/pdf.dll.pdb',
+ ],
+ 'action': [
+ 'python',
+ '<(DEPTH)/chrome/tools/build/win/syzygy_instrument.py',
+ '--mode', 'asan',
+ '--input_executable', '<(PRODUCT_DIR)/pdf.dll',
+ '--input_symbol', '<(PRODUCT_DIR)/pdf.dll.pdb',
+ '--destination_dir', '<(dest_dir)',
+ ],
+ },
+ ],
+ },
+ ],
+ }], # OS=="win" and fastbuild==0 and target_arch=="ia32" and syzyasan==1
+ ],
+}
diff --git a/xfa_test/pdf/pdf.h b/xfa_test/pdf/pdf.h
new file mode 100644
index 0000000000..d797bbbaf5
--- /dev/null
+++ b/xfa_test/pdf/pdf.h
@@ -0,0 +1,24 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PDF_PDF_H_
+#define PDF_PDF_H_
+
+#include "ppapi/cpp/module.h"
+
+namespace chrome_pdf {
+
+class PDFModule : public pp::Module {
+ public:
+ PDFModule();
+ virtual ~PDFModule();
+
+ // pp::Module implementation.
+ virtual bool Init();
+ virtual pp::Instance* CreateInstance(PP_Instance instance);
+};
+
+} // namespace chrome_pdf
+
+#endif // PDF_PDF_H_
diff --git a/xfa_test/pdf/pdf.rc b/xfa_test/pdf/pdf.rc
new file mode 100644
index 0000000000..cbc98e1e4b
--- /dev/null
+++ b/xfa_test/pdf/pdf.rc
@@ -0,0 +1,104 @@
+// Microsoft Visual C++ generated resource script.
+//
+#include "resource.h"
+
+#define APSTUDIO_READONLY_SYMBOLS
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 2 resource.
+//
+#include "afxres.h"
+
+/////////////////////////////////////////////////////////////////////////////
+#undef APSTUDIO_READONLY_SYMBOLS
+
+/////////////////////////////////////////////////////////////////////////////
+// English (U.S.) resources
+
+#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)
+#ifdef _WIN32
+LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
+#pragma code_page(1252)
+#endif //_WIN32
+
+#ifdef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// TEXTINCLUDE
+//
+
+1 TEXTINCLUDE
+BEGIN
+ "resource.h\0"
+END
+
+2 TEXTINCLUDE
+BEGIN
+ "#include ""afxres.h""\r\n"
+ "\0"
+END
+
+3 TEXTINCLUDE
+BEGIN
+ "\r\n"
+ "\0"
+END
+
+#endif // APSTUDIO_INVOKED
+
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Version
+//
+
+VS_VERSION_INFO VERSIONINFO
+ FILEVERSION 1,0,0,1
+ PRODUCTVERSION 1,0,0,1
+ FILEFLAGSMASK 0x17L
+#ifdef _DEBUG
+ FILEFLAGS 0x1L
+#else
+ FILEFLAGS 0x0L
+#endif
+ FILEOS 0x4L
+ FILETYPE 0x2L
+ FILESUBTYPE 0x0L
+BEGIN
+ BLOCK "StringFileInfo"
+ BEGIN
+ BLOCK "040904e4"
+ BEGIN
+ VALUE "FileDescription", "Chrome PDF Viewer"
+ VALUE "FileVersion", "1, 0, 0, 1"
+ VALUE "InternalName", "pdf"
+ VALUE "LegalCopyright", "Copyright (C) 2010"
+ VALUE "MIMEType", "application/pdf"
+ VALUE "FileExtents", "pdf"
+ VALUE "FileOpenName", "Acrobat Portable Document Format"
+ VALUE "OriginalFilename", "pdf.dll"
+ VALUE "ProductName", "Chrome PDF Viewer"
+ VALUE "ProductVersion", "1, 0, 0, 1"
+ END
+ END
+ BLOCK "VarFileInfo"
+ BEGIN
+ VALUE "Translation", 0x409, 1252
+ END
+END
+
+#endif // English (U.S.) resources
+/////////////////////////////////////////////////////////////////////////////
+
+
+
+#ifndef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 3 resource.
+//
+
+
+/////////////////////////////////////////////////////////////////////////////
+#endif // not APSTUDIO_INVOKED
+
diff --git a/xfa_test/pdf/pdf_engine.h b/xfa_test/pdf/pdf_engine.h
new file mode 100644
index 0000000000..cc25a299d8
--- /dev/null
+++ b/xfa_test/pdf/pdf_engine.h
@@ -0,0 +1,321 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PDF_PDF_ENGINE_H_
+#define PDF_PDF_ENGINE_H_
+
+#include "build/build_config.h"
+
+#if defined(OS_WIN)
+#include <windows.h>
+#endif
+
+#include <string>
+#include <vector>
+
+#include "base/strings/string16.h"
+
+#include "ppapi/c/dev/pp_cursor_type_dev.h"
+#include "ppapi/c/dev/ppp_printing_dev.h"
+#include "ppapi/c/ppb_input_event.h"
+#include "ppapi/cpp/completion_callback.h"
+#include "ppapi/cpp/image_data.h"
+#include "ppapi/cpp/rect.h"
+#include "ppapi/cpp/size.h"
+#include "ppapi/cpp/url_loader.h"
+
+namespace pp {
+class InputEvent;
+}
+
+const uint32 kBackgroundColor = 0xFFCCCCCC;
+
+namespace chrome_pdf {
+
+class Stream;
+
+#if defined(OS_MACOSX)
+const uint32 kDefaultKeyModifier = PP_INPUTEVENT_MODIFIER_METAKEY;
+#else // !OS_MACOSX
+const uint32 kDefaultKeyModifier = PP_INPUTEVENT_MODIFIER_CONTROLKEY;
+#endif // OS_MACOSX
+
+// Do one time initialization of the SDK. data is platform specific, on Windows
+// it's the instance of the DLL and it's unused on other platforms.
+bool InitializeSDK(void* data);
+// Tells the SDK that we're shutting down.
+void ShutdownSDK();
+
+// This class encapsulates a PDF rendering engine.
+class PDFEngine {
+ public:
+
+ enum DocumentPermission {
+ PERMISSION_COPY,
+ PERMISSION_COPY_ACCESSIBLE,
+ PERMISSION_PRINT_LOW_QUALITY,
+ PERMISSION_PRINT_HIGH_QUALITY,
+ };
+
+ // The interface that's provided to the rendering engine.
+ class Client {
+ public:
+ // Informs the client about the document's size in pixels.
+ virtual void DocumentSizeUpdated(const pp::Size& size) = 0;
+
+ // Informs the client that the given rect needs to be repainted.
+ virtual void Invalidate(const pp::Rect& rect) = 0;
+
+ // Informs the client to scroll the plugin area by the given offset.
+ virtual void Scroll(const pp::Point& point) = 0;
+
+ // Scroll the horizontal/vertical scrollbars to a given position.
+ virtual void ScrollToX(int position) = 0;
+ virtual void ScrollToY(int position) = 0;
+
+ // Scroll to the specified page.
+ virtual void ScrollToPage(int page) = 0;
+
+ // Navigate to the given url.
+ virtual void NavigateTo(const std::string& url, bool open_in_new_tab) = 0;
+
+ // Updates the cursor.
+ virtual void UpdateCursor(PP_CursorType_Dev cursor) = 0;
+
+ // Updates the tick marks in the vertical scrollbar.
+ virtual void UpdateTickMarks(const std::vector<pp::Rect>& tickmarks) = 0;
+
+ // Updates the number of find results for the current search term. If
+ // there are no matches 0 should be passed in. Only when the plugin has
+ // finished searching should it pass in the final count with final_result
+ // set to true.
+ virtual void NotifyNumberOfFindResultsChanged(int total,
+ bool final_result) = 0;
+
+ // Updates the index of the currently selected search item.
+ virtual void NotifySelectedFindResultChanged(int current_find_index) = 0;
+
+ // Prompts the user for a password to open this document. The callback is
+ // called when the password is retrieved.
+ virtual void GetDocumentPassword(
+ pp::CompletionCallbackWithOutput<pp::Var> callback) = 0;
+
+ // Puts up an alert with the given message.
+ virtual void Alert(const std::string& message) = 0;
+
+ // Puts up a confirm with the given message, and returns true if the user
+ // presses OK, or false if they press cancel.
+ virtual bool Confirm(const std::string& message) = 0;
+
+ // Puts up a prompt with the given message and default answer and returns
+ // the answer.
+ virtual std::string Prompt(const std::string& question,
+ const std::string& default_answer) = 0;
+
+ // Returns the url of the pdf.
+ virtual std::string GetURL() = 0;
+
+ // Send an email.
+ virtual void Email(const std::string& to,
+ const std::string& cc,
+ const std::string& bcc,
+ const std::string& subject,
+ const std::string& body) = 0;
+ // Put up the print dialog.
+ virtual void Print() = 0;
+
+ // Submit the data using HTTP POST.
+ virtual void SubmitForm(const std::string& url,
+ const void* data,
+ int length) = 0;
+
+ // Pops up a file selection dialog and returns the result.
+ virtual std::string ShowFileSelectionDialog() = 0;
+
+ // Creates and returns new URL loader for partial document requests.
+ virtual pp::URLLoader CreateURLLoader() = 0;
+
+ // Calls the client's OnCallback() function in delay_in_ms with the given
+ // id.
+ virtual void ScheduleCallback(int id, int delay_in_ms) = 0;
+
+ // Searches the given string for "term" and returns the results. Unicode-
+ // aware.
+ struct SearchStringResult {
+ int start_index;
+ int length;
+ };
+ virtual void SearchString(const base::char16* string,
+ const base::char16* term,
+ bool case_sensitive,
+ std::vector<SearchStringResult>* results) = 0;
+
+ // Notifies the client that the engine has painted a page from the document.
+ virtual void DocumentPaintOccurred() = 0;
+
+ // Notifies the client that the document has finished loading.
+ virtual void DocumentLoadComplete(int page_count) = 0;
+
+ // Notifies the client that the document has failed to load.
+ virtual void DocumentLoadFailed() = 0;
+
+ virtual pp::Instance* GetPluginInstance() = 0;
+
+ // Notifies that an unsupported feature in the PDF was encountered.
+ virtual void DocumentHasUnsupportedFeature(const std::string& feature) = 0;
+
+ // Notifies the client about document load progress.
+ virtual void DocumentLoadProgress(uint32 available, uint32 doc_size) = 0;
+
+ // Notifies the client about focus changes for form text fields.
+ virtual void FormTextFieldFocusChange(bool in_focus) = 0;
+
+ // Returns true if the plugin has been opened within print preview.
+ virtual bool IsPrintPreview() = 0;
+ };
+
+ // Factory method to create an instance of the PDF Engine.
+ static PDFEngine* Create(Client* client);
+
+ virtual ~PDFEngine() {}
+ // Most of these functions are similar to the Pepper functions of the same
+ // name, so not repeating the description here unless it's different.
+ virtual bool New(const char* url) = 0;
+ virtual bool New(const char* url,
+ const char* headers) = 0;
+ virtual void PageOffsetUpdated(const pp::Point& page_offset) = 0;
+ virtual void PluginSizeUpdated(const pp::Size& size) = 0;
+ virtual void ScrolledToXPosition(int position) = 0;
+ virtual void ScrolledToYPosition(int position) = 0;
+ // Paint is called a series of times. Before these n calls are made, PrePaint
+ // is called once. After Paint is called n times, PostPaint is called once.
+ virtual void PrePaint() = 0;
+ virtual void Paint(const pp::Rect& rect,
+ pp::ImageData* image_data,
+ std::vector<pp::Rect>* ready,
+ std::vector<pp::Rect>* pending) = 0;
+ virtual void PostPaint() = 0;
+ virtual bool HandleDocumentLoad(const pp::URLLoader& loader) = 0;
+ virtual bool HandleEvent(const pp::InputEvent& event) = 0;
+ virtual uint32_t QuerySupportedPrintOutputFormats() = 0;
+ virtual void PrintBegin() = 0;
+ virtual pp::Resource PrintPages(
+ const PP_PrintPageNumberRange_Dev* page_ranges,
+ uint32_t page_range_count,
+ const PP_PrintSettings_Dev& print_settings) = 0;
+ virtual void PrintEnd() = 0;
+ virtual void StartFind(const char* text, bool case_sensitive) = 0;
+ virtual bool SelectFindResult(bool forward) = 0;
+ virtual void StopFind() = 0;
+ virtual void ZoomUpdated(double new_zoom_level) = 0;
+ virtual void RotateClockwise() = 0;
+ virtual void RotateCounterclockwise() = 0;
+ virtual std::string GetSelectedText() = 0;
+ virtual std::string GetLinkAtPosition(const pp::Point& point) = 0;
+ virtual bool IsSelecting() = 0;
+ // Checks the permissions associated with this document.
+ virtual bool HasPermission(DocumentPermission permission) const = 0;
+ virtual void SelectAll() = 0;
+ // Gets the number of pages in the document.
+ virtual int GetNumberOfPages() = 0;
+ // Gets the 0-based page number of |destination|, or -1 if it does not exist.
+ virtual int GetNamedDestinationPage(const std::string& destination) = 0;
+ // Gets the index of the first visible page, or -1 if none are visible.
+ virtual int GetFirstVisiblePage() = 0;
+ // Gets the index of the most visible page, or -1 if none are visible.
+ virtual int GetMostVisiblePage() = 0;
+ // Gets the rectangle of the page including shadow.
+ virtual pp::Rect GetPageRect(int index) = 0;
+ // Gets the rectangle of the page excluding any additional areas.
+ virtual pp::Rect GetPageContentsRect(int index) = 0;
+ // Gets the offset of the vertical scrollbar from the top in document
+ // coordinates.
+ virtual int GetVerticalScrollbarYPosition() = 0;
+ // Paints page thumbnail to the ImageData.
+ virtual void PaintThumbnail(pp::ImageData* image_data, int index) = 0;
+ // Set color / grayscale rendering modes.
+ virtual void SetGrayscale(bool grayscale) = 0;
+ // Callback for timer that's set with ScheduleCallback().
+ virtual void OnCallback(int id) = 0;
+ // Gets the JSON representation of the PDF file
+ virtual std::string GetPageAsJSON(int index) = 0;
+ // Gets the PDF document's print scaling preference. True if the document can
+ // be scaled to fit.
+ virtual bool GetPrintScaling() = 0;
+
+ // Append blank pages to make a 1-page document to a |num_pages| document.
+ // Always retain the first page data.
+ virtual void AppendBlankPages(int num_pages) = 0;
+ // Append the first page of the document loaded with the |engine| to this
+ // document at page |index|.
+ virtual void AppendPage(PDFEngine* engine, int index) = 0;
+
+ // Allow client to query and reset scroll positions in document coordinates.
+ // Note that this is meant for cases where the device scale factor changes,
+ // and not for general scrolling - the engine will not repaint due to this.
+ virtual pp::Point GetScrollPosition() = 0;
+ virtual void SetScrollPosition(const pp::Point& position) = 0;
+
+ virtual bool IsProgressiveLoad() = 0;
+};
+
+// Interface for exports that wrap the PDF engine.
+class PDFEngineExports {
+ public:
+ struct RenderingSettings {
+ RenderingSettings(int dpi_x,
+ int dpi_y,
+ const pp::Rect& bounds,
+ bool fit_to_bounds,
+ bool stretch_to_bounds,
+ bool keep_aspect_ratio,
+ bool center_in_bounds,
+ bool autorotate)
+ : dpi_x(dpi_x), dpi_y(dpi_y), bounds(bounds),
+ fit_to_bounds(fit_to_bounds), stretch_to_bounds(stretch_to_bounds),
+ keep_aspect_ratio(keep_aspect_ratio),
+ center_in_bounds(center_in_bounds), autorotate(autorotate) {
+ }
+ int dpi_x;
+ int dpi_y;
+ pp::Rect bounds;
+ bool fit_to_bounds;
+ bool stretch_to_bounds;
+ bool keep_aspect_ratio;
+ bool center_in_bounds;
+ bool autorotate;
+ };
+
+ PDFEngineExports() {}
+ virtual ~PDFEngineExports() {}
+ static PDFEngineExports* Create();
+#if defined(OS_WIN)
+ // See the definition of RenderPDFPageToDC in pdf.cc for details.
+ virtual bool RenderPDFPageToDC(const void* pdf_buffer,
+ int buffer_size,
+ int page_number,
+ const RenderingSettings& settings,
+ HDC dc) = 0;
+#endif // OS_WIN
+ // See the definition of RenderPDFPageToBitmap in pdf.cc for details.
+ virtual bool RenderPDFPageToBitmap(const void* pdf_buffer,
+ int pdf_buffer_size,
+ int page_number,
+ const RenderingSettings& settings,
+ void* bitmap_buffer) = 0;
+
+ virtual bool GetPDFDocInfo(const void* pdf_buffer,
+ int buffer_size,
+ int* page_count,
+ double* max_page_width) = 0;
+
+ // See the definition of GetPDFPageSizeByIndex in pdf.cc for details.
+ virtual bool GetPDFPageSizeByIndex(const void* pdf_buffer,
+ int pdf_buffer_size, int page_number,
+ double* width, double* height) = 0;
+};
+
+} // namespace chrome_pdf
+
+#endif // PDF_PDF_ENGINE_H_
diff --git a/xfa_test/pdf/pdfium/pdfium_assert_matching_enums.cc b/xfa_test/pdf/pdfium/pdfium_assert_matching_enums.cc
new file mode 100644
index 0000000000..ef140cf7c9
--- /dev/null
+++ b/xfa_test/pdf/pdfium/pdfium_assert_matching_enums.cc
@@ -0,0 +1,207 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/basictypes.h"
+#include "ppapi/c/pp_input_event.h"
+#include "ppapi/c/private/ppb_pdf.h"
+#include "third_party/pdfium/fpdfsdk/include/fpdf_fwlevent.h"
+#include "third_party/pdfium/fpdfsdk/include/fpdf_sysfontinfo.h"
+#include "ui/events/keycodes/keyboard_codes.h"
+
+#define COMPILE_ASSERT_MATCH(np_name, pdfium_name) \
+ COMPILE_ASSERT(int(np_name) == int(pdfium_name), mismatching_enums)
+
+COMPILE_ASSERT_MATCH(PP_INPUTEVENT_MODIFIER_SHIFTKEY, FWL_EVENTFLAG_ShiftKey);
+COMPILE_ASSERT_MATCH(PP_INPUTEVENT_MODIFIER_CONTROLKEY,
+ FWL_EVENTFLAG_ControlKey);
+COMPILE_ASSERT_MATCH(PP_INPUTEVENT_MODIFIER_ALTKEY, FWL_EVENTFLAG_AltKey);
+COMPILE_ASSERT_MATCH(PP_INPUTEVENT_MODIFIER_METAKEY, FWL_EVENTFLAG_MetaKey);
+COMPILE_ASSERT_MATCH(PP_INPUTEVENT_MODIFIER_ISKEYPAD, FWL_EVENTFLAG_KeyPad);
+COMPILE_ASSERT_MATCH(PP_INPUTEVENT_MODIFIER_ISAUTOREPEAT,
+ FWL_EVENTFLAG_AutoRepeat);
+COMPILE_ASSERT_MATCH(PP_INPUTEVENT_MODIFIER_LEFTBUTTONDOWN,
+ FWL_EVENTFLAG_LeftButtonDown);
+COMPILE_ASSERT_MATCH(PP_INPUTEVENT_MODIFIER_MIDDLEBUTTONDOWN,
+ FWL_EVENTFLAG_MiddleButtonDown);
+COMPILE_ASSERT_MATCH(PP_INPUTEVENT_MODIFIER_RIGHTBUTTONDOWN,
+ FWL_EVENTFLAG_RightButtonDown);
+
+COMPILE_ASSERT_MATCH(ui::VKEY_BACK, FWL_VKEY_Back);
+COMPILE_ASSERT_MATCH(ui::VKEY_TAB, FWL_VKEY_Tab);
+COMPILE_ASSERT_MATCH(ui::VKEY_CLEAR, FWL_VKEY_Clear);
+COMPILE_ASSERT_MATCH(ui::VKEY_RETURN, FWL_VKEY_Return);
+COMPILE_ASSERT_MATCH(ui::VKEY_SHIFT, FWL_VKEY_Shift);
+COMPILE_ASSERT_MATCH(ui::VKEY_CONTROL, FWL_VKEY_Control);
+COMPILE_ASSERT_MATCH(ui::VKEY_MENU, FWL_VKEY_Menu);
+COMPILE_ASSERT_MATCH(ui::VKEY_PAUSE, FWL_VKEY_Pause);
+COMPILE_ASSERT_MATCH(ui::VKEY_CAPITAL, FWL_VKEY_Capital);
+COMPILE_ASSERT_MATCH(ui::VKEY_KANA, FWL_VKEY_Kana);
+COMPILE_ASSERT_MATCH(ui::VKEY_HANGUL, FWL_VKEY_Hangul);
+COMPILE_ASSERT_MATCH(ui::VKEY_JUNJA, FWL_VKEY_Junja);
+COMPILE_ASSERT_MATCH(ui::VKEY_FINAL, FWL_VKEY_Final);
+COMPILE_ASSERT_MATCH(ui::VKEY_HANJA, FWL_VKEY_Hanja);
+COMPILE_ASSERT_MATCH(ui::VKEY_KANJI, FWL_VKEY_Kanji);
+COMPILE_ASSERT_MATCH(ui::VKEY_ESCAPE, FWL_VKEY_Escape);
+COMPILE_ASSERT_MATCH(ui::VKEY_CONVERT, FWL_VKEY_Convert);
+COMPILE_ASSERT_MATCH(ui::VKEY_NONCONVERT, FWL_VKEY_NonConvert);
+COMPILE_ASSERT_MATCH(ui::VKEY_ACCEPT, FWL_VKEY_Accept);
+COMPILE_ASSERT_MATCH(ui::VKEY_MODECHANGE, FWL_VKEY_ModeChange);
+COMPILE_ASSERT_MATCH(ui::VKEY_SPACE, FWL_VKEY_Space);
+COMPILE_ASSERT_MATCH(ui::VKEY_PRIOR, FWL_VKEY_Prior);
+COMPILE_ASSERT_MATCH(ui::VKEY_NEXT, FWL_VKEY_Next);
+COMPILE_ASSERT_MATCH(ui::VKEY_END, FWL_VKEY_End);
+COMPILE_ASSERT_MATCH(ui::VKEY_HOME, FWL_VKEY_Home);
+COMPILE_ASSERT_MATCH(ui::VKEY_LEFT, FWL_VKEY_Left);
+COMPILE_ASSERT_MATCH(ui::VKEY_UP, FWL_VKEY_Up);
+COMPILE_ASSERT_MATCH(ui::VKEY_RIGHT, FWL_VKEY_Right);
+COMPILE_ASSERT_MATCH(ui::VKEY_DOWN, FWL_VKEY_Down);
+COMPILE_ASSERT_MATCH(ui::VKEY_SELECT, FWL_VKEY_Select);
+COMPILE_ASSERT_MATCH(ui::VKEY_PRINT, FWL_VKEY_Print);
+COMPILE_ASSERT_MATCH(ui::VKEY_EXECUTE, FWL_VKEY_Execute);
+COMPILE_ASSERT_MATCH(ui::VKEY_SNAPSHOT, FWL_VKEY_Snapshot);
+COMPILE_ASSERT_MATCH(ui::VKEY_INSERT, FWL_VKEY_Insert);
+COMPILE_ASSERT_MATCH(ui::VKEY_DELETE, FWL_VKEY_Delete);
+COMPILE_ASSERT_MATCH(ui::VKEY_HELP, FWL_VKEY_Help);
+COMPILE_ASSERT_MATCH(ui::VKEY_0, FWL_VKEY_0);
+COMPILE_ASSERT_MATCH(ui::VKEY_1, FWL_VKEY_1);
+COMPILE_ASSERT_MATCH(ui::VKEY_2, FWL_VKEY_2);
+COMPILE_ASSERT_MATCH(ui::VKEY_3, FWL_VKEY_3);
+COMPILE_ASSERT_MATCH(ui::VKEY_4, FWL_VKEY_4);
+COMPILE_ASSERT_MATCH(ui::VKEY_5, FWL_VKEY_5);
+COMPILE_ASSERT_MATCH(ui::VKEY_6, FWL_VKEY_6);
+COMPILE_ASSERT_MATCH(ui::VKEY_7, FWL_VKEY_7);
+COMPILE_ASSERT_MATCH(ui::VKEY_8, FWL_VKEY_8);
+COMPILE_ASSERT_MATCH(ui::VKEY_9, FWL_VKEY_9);
+COMPILE_ASSERT_MATCH(ui::VKEY_A, FWL_VKEY_A);
+COMPILE_ASSERT_MATCH(ui::VKEY_B, FWL_VKEY_B);
+COMPILE_ASSERT_MATCH(ui::VKEY_C, FWL_VKEY_C);
+COMPILE_ASSERT_MATCH(ui::VKEY_D, FWL_VKEY_D);
+COMPILE_ASSERT_MATCH(ui::VKEY_E, FWL_VKEY_E);
+COMPILE_ASSERT_MATCH(ui::VKEY_F, FWL_VKEY_F);
+COMPILE_ASSERT_MATCH(ui::VKEY_G, FWL_VKEY_G);
+COMPILE_ASSERT_MATCH(ui::VKEY_H, FWL_VKEY_H);
+COMPILE_ASSERT_MATCH(ui::VKEY_I, FWL_VKEY_I);
+COMPILE_ASSERT_MATCH(ui::VKEY_J, FWL_VKEY_J);
+COMPILE_ASSERT_MATCH(ui::VKEY_K, FWL_VKEY_K);
+COMPILE_ASSERT_MATCH(ui::VKEY_L, FWL_VKEY_L);
+COMPILE_ASSERT_MATCH(ui::VKEY_M, FWL_VKEY_M);
+COMPILE_ASSERT_MATCH(ui::VKEY_N, FWL_VKEY_N);
+COMPILE_ASSERT_MATCH(ui::VKEY_O, FWL_VKEY_O);
+COMPILE_ASSERT_MATCH(ui::VKEY_P, FWL_VKEY_P);
+COMPILE_ASSERT_MATCH(ui::VKEY_Q, FWL_VKEY_Q);
+COMPILE_ASSERT_MATCH(ui::VKEY_R, FWL_VKEY_R);
+COMPILE_ASSERT_MATCH(ui::VKEY_S, FWL_VKEY_S);
+COMPILE_ASSERT_MATCH(ui::VKEY_T, FWL_VKEY_T);
+COMPILE_ASSERT_MATCH(ui::VKEY_U, FWL_VKEY_U);
+COMPILE_ASSERT_MATCH(ui::VKEY_V, FWL_VKEY_V);
+COMPILE_ASSERT_MATCH(ui::VKEY_W, FWL_VKEY_W);
+COMPILE_ASSERT_MATCH(ui::VKEY_X, FWL_VKEY_X);
+COMPILE_ASSERT_MATCH(ui::VKEY_Y, FWL_VKEY_Y);
+COMPILE_ASSERT_MATCH(ui::VKEY_Z, FWL_VKEY_Z);
+COMPILE_ASSERT_MATCH(ui::VKEY_LWIN, FWL_VKEY_LWin);
+COMPILE_ASSERT_MATCH(ui::VKEY_COMMAND, FWL_VKEY_Command);
+COMPILE_ASSERT_MATCH(ui::VKEY_RWIN, FWL_VKEY_RWin);
+COMPILE_ASSERT_MATCH(ui::VKEY_APPS, FWL_VKEY_Apps);
+COMPILE_ASSERT_MATCH(ui::VKEY_SLEEP, FWL_VKEY_Sleep);
+COMPILE_ASSERT_MATCH(ui::VKEY_NUMPAD0, FWL_VKEY_NumPad0);
+COMPILE_ASSERT_MATCH(ui::VKEY_NUMPAD1, FWL_VKEY_NumPad1);
+COMPILE_ASSERT_MATCH(ui::VKEY_NUMPAD2, FWL_VKEY_NumPad2);
+COMPILE_ASSERT_MATCH(ui::VKEY_NUMPAD3, FWL_VKEY_NumPad3);
+COMPILE_ASSERT_MATCH(ui::VKEY_NUMPAD4, FWL_VKEY_NumPad4);
+COMPILE_ASSERT_MATCH(ui::VKEY_NUMPAD5, FWL_VKEY_NumPad5);
+COMPILE_ASSERT_MATCH(ui::VKEY_NUMPAD6, FWL_VKEY_NumPad6);
+COMPILE_ASSERT_MATCH(ui::VKEY_NUMPAD7, FWL_VKEY_NumPad7);
+COMPILE_ASSERT_MATCH(ui::VKEY_NUMPAD8, FWL_VKEY_NumPad8);
+COMPILE_ASSERT_MATCH(ui::VKEY_NUMPAD9, FWL_VKEY_NumPad9);
+COMPILE_ASSERT_MATCH(ui::VKEY_MULTIPLY, FWL_VKEY_Multiply);
+COMPILE_ASSERT_MATCH(ui::VKEY_ADD, FWL_VKEY_Add);
+COMPILE_ASSERT_MATCH(ui::VKEY_SEPARATOR, FWL_VKEY_Separator);
+COMPILE_ASSERT_MATCH(ui::VKEY_SUBTRACT, FWL_VKEY_Subtract);
+COMPILE_ASSERT_MATCH(ui::VKEY_DECIMAL, FWL_VKEY_Decimal);
+COMPILE_ASSERT_MATCH(ui::VKEY_DIVIDE, FWL_VKEY_Divide);
+COMPILE_ASSERT_MATCH(ui::VKEY_F1, FWL_VKEY_F1);
+COMPILE_ASSERT_MATCH(ui::VKEY_F2, FWL_VKEY_F2);
+COMPILE_ASSERT_MATCH(ui::VKEY_F3, FWL_VKEY_F3);
+COMPILE_ASSERT_MATCH(ui::VKEY_F4, FWL_VKEY_F4);
+COMPILE_ASSERT_MATCH(ui::VKEY_F5, FWL_VKEY_F5);
+COMPILE_ASSERT_MATCH(ui::VKEY_F6, FWL_VKEY_F6);
+COMPILE_ASSERT_MATCH(ui::VKEY_F7, FWL_VKEY_F7);
+COMPILE_ASSERT_MATCH(ui::VKEY_F8, FWL_VKEY_F8);
+COMPILE_ASSERT_MATCH(ui::VKEY_F9, FWL_VKEY_F9);
+COMPILE_ASSERT_MATCH(ui::VKEY_F10, FWL_VKEY_F10);
+COMPILE_ASSERT_MATCH(ui::VKEY_F11, FWL_VKEY_F11);
+COMPILE_ASSERT_MATCH(ui::VKEY_F12, FWL_VKEY_F12);
+COMPILE_ASSERT_MATCH(ui::VKEY_F13, FWL_VKEY_F13);
+COMPILE_ASSERT_MATCH(ui::VKEY_F14, FWL_VKEY_F14);
+COMPILE_ASSERT_MATCH(ui::VKEY_F15, FWL_VKEY_F15);
+COMPILE_ASSERT_MATCH(ui::VKEY_F16, FWL_VKEY_F16);
+COMPILE_ASSERT_MATCH(ui::VKEY_F17, FWL_VKEY_F17);
+COMPILE_ASSERT_MATCH(ui::VKEY_F18, FWL_VKEY_F18);
+COMPILE_ASSERT_MATCH(ui::VKEY_F19, FWL_VKEY_F19);
+COMPILE_ASSERT_MATCH(ui::VKEY_F20, FWL_VKEY_F20);
+COMPILE_ASSERT_MATCH(ui::VKEY_F21, FWL_VKEY_F21);
+COMPILE_ASSERT_MATCH(ui::VKEY_F22, FWL_VKEY_F22);
+COMPILE_ASSERT_MATCH(ui::VKEY_F23, FWL_VKEY_F23);
+COMPILE_ASSERT_MATCH(ui::VKEY_F24, FWL_VKEY_F24);
+COMPILE_ASSERT_MATCH(ui::VKEY_NUMLOCK, FWL_VKEY_NunLock);
+COMPILE_ASSERT_MATCH(ui::VKEY_SCROLL, FWL_VKEY_Scroll);
+COMPILE_ASSERT_MATCH(ui::VKEY_LSHIFT, FWL_VKEY_LShift);
+COMPILE_ASSERT_MATCH(ui::VKEY_RSHIFT, FWL_VKEY_RShift);
+COMPILE_ASSERT_MATCH(ui::VKEY_LCONTROL, FWL_VKEY_LControl);
+COMPILE_ASSERT_MATCH(ui::VKEY_RCONTROL, FWL_VKEY_RControl);
+COMPILE_ASSERT_MATCH(ui::VKEY_LMENU, FWL_VKEY_LMenu);
+COMPILE_ASSERT_MATCH(ui::VKEY_RMENU, FWL_VKEY_RMenu);
+COMPILE_ASSERT_MATCH(ui::VKEY_BROWSER_BACK, FWL_VKEY_BROWSER_Back);
+COMPILE_ASSERT_MATCH(ui::VKEY_BROWSER_FORWARD, FWL_VKEY_BROWSER_Forward);
+COMPILE_ASSERT_MATCH(ui::VKEY_BROWSER_REFRESH, FWL_VKEY_BROWSER_Refresh);
+COMPILE_ASSERT_MATCH(ui::VKEY_BROWSER_STOP, FWL_VKEY_BROWSER_Stop);
+COMPILE_ASSERT_MATCH(ui::VKEY_BROWSER_SEARCH, FWL_VKEY_BROWSER_Search);
+COMPILE_ASSERT_MATCH(ui::VKEY_BROWSER_FAVORITES, FWL_VKEY_BROWSER_Favorites);
+COMPILE_ASSERT_MATCH(ui::VKEY_BROWSER_HOME, FWL_VKEY_BROWSER_Home);
+COMPILE_ASSERT_MATCH(ui::VKEY_VOLUME_MUTE, FWL_VKEY_VOLUME_Mute);
+COMPILE_ASSERT_MATCH(ui::VKEY_VOLUME_DOWN, FWL_VKEY_VOLUME_Down);
+COMPILE_ASSERT_MATCH(ui::VKEY_VOLUME_UP, FWL_VKEY_VOLUME_Up);
+COMPILE_ASSERT_MATCH(ui::VKEY_MEDIA_NEXT_TRACK, FWL_VKEY_MEDIA_NEXT_Track);
+COMPILE_ASSERT_MATCH(ui::VKEY_MEDIA_PREV_TRACK, FWL_VKEY_MEDIA_PREV_Track);
+COMPILE_ASSERT_MATCH(ui::VKEY_MEDIA_STOP, FWL_VKEY_MEDIA_Stop);
+COMPILE_ASSERT_MATCH(ui::VKEY_MEDIA_PLAY_PAUSE, FWL_VKEY_MEDIA_PLAY_Pause);
+COMPILE_ASSERT_MATCH(ui::VKEY_MEDIA_LAUNCH_MAIL, FWL_VKEY_MEDIA_LAUNCH_Mail);
+COMPILE_ASSERT_MATCH(ui::VKEY_MEDIA_LAUNCH_MEDIA_SELECT,
+ FWL_VKEY_MEDIA_LAUNCH_MEDIA_Select);
+COMPILE_ASSERT_MATCH(ui::VKEY_MEDIA_LAUNCH_APP1, FWL_VKEY_MEDIA_LAUNCH_APP1);
+COMPILE_ASSERT_MATCH(ui::VKEY_MEDIA_LAUNCH_APP2, FWL_VKEY_MEDIA_LAUNCH_APP2);
+COMPILE_ASSERT_MATCH(ui::VKEY_OEM_1, FWL_VKEY_OEM_1);
+COMPILE_ASSERT_MATCH(ui::VKEY_OEM_PLUS, FWL_VKEY_OEM_Plus);
+COMPILE_ASSERT_MATCH(ui::VKEY_OEM_COMMA, FWL_VKEY_OEM_Comma);
+COMPILE_ASSERT_MATCH(ui::VKEY_OEM_MINUS, FWL_VKEY_OEM_Minus);
+COMPILE_ASSERT_MATCH(ui::VKEY_OEM_PERIOD, FWL_VKEY_OEM_Period);
+COMPILE_ASSERT_MATCH(ui::VKEY_OEM_2, FWL_VKEY_OEM_2);
+COMPILE_ASSERT_MATCH(ui::VKEY_OEM_3, FWL_VKEY_OEM_3);
+COMPILE_ASSERT_MATCH(ui::VKEY_OEM_4, FWL_VKEY_OEM_4);
+COMPILE_ASSERT_MATCH(ui::VKEY_OEM_5, FWL_VKEY_OEM_5);
+COMPILE_ASSERT_MATCH(ui::VKEY_OEM_6, FWL_VKEY_OEM_6);
+COMPILE_ASSERT_MATCH(ui::VKEY_OEM_7, FWL_VKEY_OEM_7);
+COMPILE_ASSERT_MATCH(ui::VKEY_OEM_8, FWL_VKEY_OEM_8);
+COMPILE_ASSERT_MATCH(ui::VKEY_OEM_102, FWL_VKEY_OEM_102);
+COMPILE_ASSERT_MATCH(ui::VKEY_PROCESSKEY, FWL_VKEY_ProcessKey);
+COMPILE_ASSERT_MATCH(ui::VKEY_PACKET, FWL_VKEY_Packet);
+COMPILE_ASSERT_MATCH(ui::VKEY_ATTN, FWL_VKEY_Attn);
+COMPILE_ASSERT_MATCH(ui::VKEY_CRSEL, FWL_VKEY_Crsel);
+COMPILE_ASSERT_MATCH(ui::VKEY_EXSEL, FWL_VKEY_Exsel);
+COMPILE_ASSERT_MATCH(ui::VKEY_EREOF, FWL_VKEY_Ereof);
+COMPILE_ASSERT_MATCH(ui::VKEY_PLAY, FWL_VKEY_Play);
+COMPILE_ASSERT_MATCH(ui::VKEY_ZOOM, FWL_VKEY_Zoom);
+COMPILE_ASSERT_MATCH(ui::VKEY_NONAME, FWL_VKEY_NoName);
+COMPILE_ASSERT_MATCH(ui::VKEY_PA1, FWL_VKEY_PA1);
+COMPILE_ASSERT_MATCH(ui::VKEY_OEM_CLEAR, FWL_VKEY_OEM_Clear);
+COMPILE_ASSERT_MATCH(ui::VKEY_UNKNOWN, FWL_VKEY_Unknown);
+
+COMPILE_ASSERT_MATCH(PP_PRIVATEFONTCHARSET_ANSI, FXFONT_ANSI_CHARSET);
+COMPILE_ASSERT_MATCH(PP_PRIVATEFONTCHARSET_DEFAULT, FXFONT_DEFAULT_CHARSET);
+COMPILE_ASSERT_MATCH(PP_PRIVATEFONTCHARSET_SYMBOL, FXFONT_SYMBOL_CHARSET);
+COMPILE_ASSERT_MATCH(PP_PRIVATEFONTCHARSET_SHIFTJIS, FXFONT_SHIFTJIS_CHARSET);
+COMPILE_ASSERT_MATCH(PP_PRIVATEFONTCHARSET_HANGUL, FXFONT_HANGEUL_CHARSET);
+COMPILE_ASSERT_MATCH(PP_PRIVATEFONTCHARSET_GB2312, FXFONT_GB2312_CHARSET);
+COMPILE_ASSERT_MATCH(PP_PRIVATEFONTCHARSET_CHINESEBIG5,
+ FXFONT_CHINESEBIG5_CHARSET);
diff --git a/xfa_test/pdf/pdfium/pdfium_engine.cc b/xfa_test/pdf/pdfium/pdfium_engine.cc
new file mode 100644
index 0000000000..44e7052bf3
--- /dev/null
+++ b/xfa_test/pdf/pdfium/pdfium_engine.cc
@@ -0,0 +1,3884 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "pdf/pdfium/pdfium_engine.h"
+
+#include <math.h>
+
+#include "base/json/json_writer.h"
+#include "base/logging.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/stl_util.h"
+#include "base/strings/string_number_conversions.h"
+#include "base/strings/string_piece.h"
+#include "base/strings/string_util.h"
+#include "base/strings/utf_string_conversions.h"
+#include "base/values.h"
+#include "pdf/draw_utils.h"
+#include "pdf/pdfium/pdfium_mem_buffer_file_read.h"
+#include "pdf/pdfium/pdfium_mem_buffer_file_write.h"
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/c/pp_input_event.h"
+#include "ppapi/c/ppb_core.h"
+#include "ppapi/c/private/ppb_pdf.h"
+#include "ppapi/cpp/dev/memory_dev.h"
+#include "ppapi/cpp/input_event.h"
+#include "ppapi/cpp/instance.h"
+#include "ppapi/cpp/module.h"
+#include "ppapi/cpp/private/pdf.h"
+#include "ppapi/cpp/trusted/browser_font_trusted.h"
+#include "ppapi/cpp/url_response_info.h"
+#include "ppapi/cpp/var.h"
+#include "third_party/pdfium/fpdfsdk/include/fpdf_ext.h"
+#include "third_party/pdfium/fpdfsdk/include/fpdf_flatten.h"
+#include "third_party/pdfium/fpdfsdk/include/fpdf_searchex.h"
+#include "third_party/pdfium/fpdfsdk/include/fpdf_sysfontinfo.h"
+#include "third_party/pdfium/fpdfsdk/include/fpdf_transformpage.h"
+#include "third_party/pdfium/fpdfsdk/include/fpdfedit.h"
+#include "third_party/pdfium/fpdfsdk/include/fpdfoom.h"
+#include "third_party/pdfium/fpdfsdk/include/fpdfppo.h"
+#include "third_party/pdfium/fpdfsdk/include/fpdfsave.h"
+#include "third_party/pdfium/fpdfsdk/include/pdfwindow/PDFWindow.h"
+#include "third_party/pdfium/fpdfsdk/include/pdfwindow/PWL_FontMap.h"
+#include "ui/events/keycodes/keyboard_codes.h"
+
+namespace chrome_pdf {
+
+namespace {
+
+#define kPageShadowTop 3
+#define kPageShadowBottom 7
+#define kPageShadowLeft 5
+#define kPageShadowRight 5
+
+#define kPageSeparatorThickness 4
+#define kHighlightColorR 153
+#define kHighlightColorG 193
+#define kHighlightColorB 218
+
+const uint32 kPendingPageColor = 0xFFEEEEEE;
+
+#define kFormHighlightColor 0xFFE4DD
+#define kFormHighlightAlpha 100
+
+#define kMaxPasswordTries 3
+
+// See Table 3.20 in
+// http://www.adobe.com/devnet/acrobat/pdfs/pdf_reference_1-7.pdf
+#define kPDFPermissionPrintLowQualityMask 1 << 2
+#define kPDFPermissionPrintHighQualityMask 1 << 11
+#define kPDFPermissionCopyMask 1 << 4
+#define kPDFPermissionCopyAccessibleMask 1 << 9
+
+#define kLoadingTextVerticalOffset 50
+
+// The maximum amount of time we'll spend doing a paint before we give back
+// control of the thread.
+#define kMaxProgressivePaintTimeMs 50
+
+// The maximum amount of time we'll spend doing the first paint. This is less
+// than the above to keep things smooth if the user is scrolling quickly. We
+// try painting a little because with accelerated compositing, we get flushes
+// only every 16 ms. If we were to wait until the next flush to paint the rest
+// of the pdf, we would never get to draw the pdf and would only draw the
+// scrollbars. This value is picked to give enough time for gpu related code to
+// do its thing and still fit within the timelimit for 60Hz. For the
+// non-composited case, this doesn't make things worse since we're still
+// painting the scrollbars > 60 Hz.
+#define kMaxInitialProgressivePaintTimeMs 10
+
+// Copied from printing/units.cc because we don't want to depend on printing
+// since it brings in libpng which causes duplicate symbols with PDFium.
+const int kPointsPerInch = 72;
+const int kPixelsPerInch = 96;
+
+struct ClipBox {
+ float left;
+ float right;
+ float top;
+ float bottom;
+};
+
+int ConvertUnit(int value, int old_unit, int new_unit) {
+ // With integer arithmetic, to divide a value with correct rounding, you need
+ // to add half of the divisor value to the dividend value. You need to do the
+ // reverse with negative number.
+ if (value >= 0) {
+ return ((value * new_unit) + (old_unit / 2)) / old_unit;
+ } else {
+ return ((value * new_unit) - (old_unit / 2)) / old_unit;
+ }
+}
+
+std::vector<uint32_t> GetPageNumbersFromPrintPageNumberRange(
+ const PP_PrintPageNumberRange_Dev* page_ranges,
+ uint32_t page_range_count) {
+ std::vector<uint32_t> page_numbers;
+ for (uint32_t index = 0; index < page_range_count; ++index) {
+ for (uint32_t page_number = page_ranges[index].first_page_number;
+ page_number <= page_ranges[index].last_page_number; ++page_number) {
+ page_numbers.push_back(page_number);
+ }
+ }
+ return page_numbers;
+}
+
+#if defined(OS_LINUX)
+
+PP_Instance g_last_instance_id;
+
+struct PDFFontSubstitution {
+ const char* pdf_name;
+ const char* face;
+ bool bold;
+ bool italic;
+};
+
+PP_BrowserFont_Trusted_Weight WeightToBrowserFontTrustedWeight(int weight) {
+ COMPILE_ASSERT(PP_BROWSERFONT_TRUSTED_WEIGHT_100 == 0,
+ PP_BrowserFont_Trusted_Weight_Min);
+ COMPILE_ASSERT(PP_BROWSERFONT_TRUSTED_WEIGHT_900 == 8,
+ PP_BrowserFont_Trusted_Weight_Max);
+ const int kMinimumWeight = 100;
+ const int kMaximumWeight = 900;
+ int normalized_weight =
+ std::min(std::max(weight, kMinimumWeight), kMaximumWeight);
+ normalized_weight = (normalized_weight / 100) - 1;
+ return static_cast<PP_BrowserFont_Trusted_Weight>(normalized_weight);
+}
+
+// This list is for CPWL_FontMap::GetDefaultFontByCharset().
+// We pretend to have these font natively and let the browser (or underlying
+// fontconfig) to pick the proper font on the system.
+void EnumFonts(struct _FPDF_SYSFONTINFO* sysfontinfo, void* mapper) {
+ FPDF_AddInstalledFont(mapper, "Arial", FXFONT_DEFAULT_CHARSET);
+
+ int i = 0;
+ while (CPWL_FontMap::defaultTTFMap[i].charset != -1) {
+ FPDF_AddInstalledFont(mapper,
+ CPWL_FontMap::defaultTTFMap[i].fontname,
+ CPWL_FontMap::defaultTTFMap[i].charset);
+ ++i;
+ }
+}
+
+const PDFFontSubstitution PDFFontSubstitutions[] = {
+ {"Courier", "Courier New", false, false},
+ {"Courier-Bold", "Courier New", true, false},
+ {"Courier-BoldOblique", "Courier New", true, true},
+ {"Courier-Oblique", "Courier New", false, true},
+ {"Helvetica", "Arial", false, false},
+ {"Helvetica-Bold", "Arial", true, false},
+ {"Helvetica-BoldOblique", "Arial", true, true},
+ {"Helvetica-Oblique", "Arial", false, true},
+ {"Times-Roman", "Times New Roman", false, false},
+ {"Times-Bold", "Times New Roman", true, false},
+ {"Times-BoldItalic", "Times New Roman", true, true},
+ {"Times-Italic", "Times New Roman", false, true},
+
+ // MS P?(Mincho|Gothic) are the most notable fonts in Japanese PDF files
+ // without embedding the glyphs. Sometimes the font names are encoded
+ // in Japanese Windows's locale (CP932/Shift_JIS) without space.
+ // Most Linux systems don't have the exact font, but for outsourcing
+ // fontconfig to find substitutable font in the system, we pass ASCII
+ // font names to it.
+ {"MS-PGothic", "MS PGothic", false, false},
+ {"MS-Gothic", "MS Gothic", false, false},
+ {"MS-PMincho", "MS PMincho", false, false},
+ {"MS-Mincho", "MS Mincho", false, false},
+ // MS PGothic in Shift_JIS encoding.
+ {"\x82\x6C\x82\x72\x82\x6F\x83\x53\x83\x56\x83\x62\x83\x4E",
+ "MS PGothic", false, false},
+ // MS Gothic in Shift_JIS encoding.
+ {"\x82\x6C\x82\x72\x83\x53\x83\x56\x83\x62\x83\x4E",
+ "MS Gothic", false, false},
+ // MS PMincho in Shift_JIS encoding.
+ {"\x82\x6C\x82\x72\x82\x6F\x96\xBE\x92\xA9",
+ "MS PMincho", false, false},
+ // MS Mincho in Shift_JIS encoding.
+ {"\x82\x6C\x82\x72\x96\xBE\x92\xA9",
+ "MS Mincho", false, false},
+};
+
+void* MapFont(struct _FPDF_SYSFONTINFO*, int weight, int italic,
+ int charset, int pitch_family, const char* face, int* exact) {
+ // Do not attempt to map fonts if pepper is not initialized (for privet local
+ // printing).
+ // TODO(noamsml): Real font substitution (http://crbug.com/391978)
+ if (!pp::Module::Get())
+ return NULL;
+
+ pp::BrowserFontDescription description;
+
+ // Pretend the system does not have the Symbol font to force a fallback to
+ // the built in Symbol font in CFX_FontMapper::FindSubstFont().
+ if (strcmp(face, "Symbol") == 0)
+ return NULL;
+
+ if (pitch_family & FXFONT_FF_FIXEDPITCH) {
+ description.set_family(PP_BROWSERFONT_TRUSTED_FAMILY_MONOSPACE);
+ } else if (pitch_family & FXFONT_FF_ROMAN) {
+ description.set_family(PP_BROWSERFONT_TRUSTED_FAMILY_SERIF);
+ }
+
+ // Map from the standard PDF fonts to TrueType font names.
+ size_t i;
+ for (i = 0; i < arraysize(PDFFontSubstitutions); ++i) {
+ if (strcmp(face, PDFFontSubstitutions[i].pdf_name) == 0) {
+ description.set_face(PDFFontSubstitutions[i].face);
+ if (PDFFontSubstitutions[i].bold)
+ description.set_weight(PP_BROWSERFONT_TRUSTED_WEIGHT_BOLD);
+ if (PDFFontSubstitutions[i].italic)
+ description.set_italic(true);
+ break;
+ }
+ }
+
+ if (i == arraysize(PDFFontSubstitutions)) {
+ // TODO(kochi): Pass the face in UTF-8. If face is not encoded in UTF-8,
+ // convert to UTF-8 before passing.
+ description.set_face(face);
+
+ description.set_weight(WeightToBrowserFontTrustedWeight(weight));
+ description.set_italic(italic > 0);
+ }
+
+ if (!pp::PDF::IsAvailable()) {
+ NOTREACHED();
+ return NULL;
+ }
+
+ PP_Resource font_resource = pp::PDF::GetFontFileWithFallback(
+ pp::InstanceHandle(g_last_instance_id),
+ &description.pp_font_description(),
+ static_cast<PP_PrivateFontCharset>(charset));
+ long res_id = font_resource;
+ return reinterpret_cast<void*>(res_id);
+}
+
+unsigned long GetFontData(struct _FPDF_SYSFONTINFO*, void* font_id,
+ unsigned int table, unsigned char* buffer,
+ unsigned long buf_size) {
+ if (!pp::PDF::IsAvailable()) {
+ NOTREACHED();
+ return 0;
+ }
+
+ uint32_t size = buf_size;
+ long res_id = reinterpret_cast<long>(font_id);
+ if (!pp::PDF::GetFontTableForPrivateFontFile(res_id, table, buffer, &size))
+ return 0;
+ return size;
+}
+
+void DeleteFont(struct _FPDF_SYSFONTINFO*, void* font_id) {
+ long res_id = reinterpret_cast<long>(font_id);
+ pp::Module::Get()->core()->ReleaseResource(res_id);
+}
+
+FPDF_SYSFONTINFO g_font_info = {
+ 1,
+ 0,
+ EnumFonts,
+ MapFont,
+ 0,
+ GetFontData,
+ 0,
+ 0,
+ DeleteFont
+};
+#endif // defined(OS_LINUX)
+
+void OOM_Handler(_OOM_INFO*) {
+ // Kill the process. This is important for security, since the code doesn't
+ // NULL-check many memory allocations. If a malloc fails, returns NULL, and
+ // the buffer is then used, it provides a handy mapping of memory starting at
+ // address 0 for an attacker to utilize.
+ abort();
+}
+
+OOM_INFO g_oom_info = {
+ 1,
+ OOM_Handler
+};
+
+PDFiumEngine* g_engine_for_unsupported;
+
+void Unsupported_Handler(UNSUPPORT_INFO*, int type) {
+ if (!g_engine_for_unsupported) {
+ NOTREACHED();
+ return;
+ }
+
+ g_engine_for_unsupported->UnsupportedFeature(type);
+}
+
+UNSUPPORT_INFO g_unsuppored_info = {
+ 1,
+ Unsupported_Handler
+};
+
+// Set the destination page size and content area in points based on source
+// page rotation and orientation.
+//
+// |rotated| True if source page is rotated 90 degree or 270 degree.
+// |is_src_page_landscape| is true if the source page orientation is landscape.
+// |page_size| has the actual destination page size in points.
+// |content_rect| has the actual destination page printable area values in
+// points.
+void SetPageSizeAndContentRect(bool rotated,
+ bool is_src_page_landscape,
+ pp::Size* page_size,
+ pp::Rect* content_rect) {
+ bool is_dst_page_landscape = page_size->width() > page_size->height();
+ bool page_orientation_mismatched = is_src_page_landscape !=
+ is_dst_page_landscape;
+ bool rotate_dst_page = rotated ^ page_orientation_mismatched;
+ if (rotate_dst_page) {
+ page_size->SetSize(page_size->height(), page_size->width());
+ content_rect->SetRect(content_rect->y(), content_rect->x(),
+ content_rect->height(), content_rect->width());
+ }
+}
+
+// Calculate the scale factor between |content_rect| and a page of size
+// |src_width| x |src_height|.
+//
+// |scale_to_fit| is true, if we need to calculate the scale factor.
+// |content_rect| specifies the printable area of the destination page, with
+// origin at left-bottom. Values are in points.
+// |src_width| specifies the source page width in points.
+// |src_height| specifies the source page height in points.
+// |rotated| True if source page is rotated 90 degree or 270 degree.
+double CalculateScaleFactor(bool scale_to_fit,
+ const pp::Rect& content_rect,
+ double src_width, double src_height, bool rotated) {
+ if (!scale_to_fit || src_width == 0 || src_height == 0)
+ return 1.0;
+
+ double actual_source_page_width = rotated ? src_height : src_width;
+ double actual_source_page_height = rotated ? src_width : src_height;
+ double ratio_x = static_cast<double>(content_rect.width()) /
+ actual_source_page_width;
+ double ratio_y = static_cast<double>(content_rect.height()) /
+ actual_source_page_height;
+ return std::min(ratio_x, ratio_y);
+}
+
+// Compute source clip box boundaries based on the crop box / media box of
+// source page and scale factor.
+//
+// |page| Handle to the source page. Returned by FPDF_LoadPage function.
+// |scale_factor| specifies the scale factor that should be applied to source
+// clip box boundaries.
+// |rotated| True if source page is rotated 90 degree or 270 degree.
+// |clip_box| out param to hold the computed source clip box values.
+void CalculateClipBoxBoundary(FPDF_PAGE page, double scale_factor, bool rotated,
+ ClipBox* clip_box) {
+ if (!FPDFPage_GetCropBox(page, &clip_box->left, &clip_box->bottom,
+ &clip_box->right, &clip_box->top)) {
+ if (!FPDFPage_GetMediaBox(page, &clip_box->left, &clip_box->bottom,
+ &clip_box->right, &clip_box->top)) {
+ // Make the default size to be letter size (8.5" X 11"). We are just
+ // following the PDFium way of handling these corner cases. PDFium always
+ // consider US-Letter as the default page size.
+ float paper_width = 612;
+ float paper_height = 792;
+ clip_box->left = 0;
+ clip_box->bottom = 0;
+ clip_box->right = rotated ? paper_height : paper_width;
+ clip_box->top = rotated ? paper_width : paper_height;
+ }
+ }
+ clip_box->left *= scale_factor;
+ clip_box->right *= scale_factor;
+ clip_box->bottom *= scale_factor;
+ clip_box->top *= scale_factor;
+}
+
+// Calculate the clip box translation offset for a page that does need to be
+// scaled. All parameters are in points.
+//
+// |content_rect| specifies the printable area of the destination page, with
+// origin at left-bottom.
+// |source_clip_box| specifies the source clip box positions, relative to
+// origin at left-bottom.
+// |offset_x| and |offset_y| will contain the final translation offsets for the
+// source clip box, relative to origin at left-bottom.
+void CalculateScaledClipBoxOffset(const pp::Rect& content_rect,
+ const ClipBox& source_clip_box,
+ double* offset_x, double* offset_y) {
+ const float clip_box_width = source_clip_box.right - source_clip_box.left;
+ const float clip_box_height = source_clip_box.top - source_clip_box.bottom;
+
+ // Center the intended clip region to real clip region.
+ *offset_x = (content_rect.width() - clip_box_width) / 2 + content_rect.x() -
+ source_clip_box.left;
+ *offset_y = (content_rect.height() - clip_box_height) / 2 + content_rect.y() -
+ source_clip_box.bottom;
+}
+
+// Calculate the clip box offset for a page that does not need to be scaled.
+// All parameters are in points.
+//
+// |content_rect| specifies the printable area of the destination page, with
+// origin at left-bottom.
+// |rotation| specifies the source page rotation values which are N / 90
+// degrees.
+// |page_width| specifies the screen destination page width.
+// |page_height| specifies the screen destination page height.
+// |source_clip_box| specifies the source clip box positions, relative to origin
+// at left-bottom.
+// |offset_x| and |offset_y| will contain the final translation offsets for the
+// source clip box, relative to origin at left-bottom.
+void CalculateNonScaledClipBoxOffset(const pp::Rect& content_rect, int rotation,
+ int page_width, int page_height,
+ const ClipBox& source_clip_box,
+ double* offset_x, double* offset_y) {
+ // Align the intended clip region to left-top corner of real clip region.
+ switch (rotation) {
+ case 0:
+ *offset_x = -1 * source_clip_box.left;
+ *offset_y = page_height - source_clip_box.top;
+ break;
+ case 1:
+ *offset_x = 0;
+ *offset_y = -1 * source_clip_box.bottom;
+ break;
+ case 2:
+ *offset_x = page_width - source_clip_box.right;
+ *offset_y = 0;
+ break;
+ case 3:
+ *offset_x = page_height - source_clip_box.right;
+ *offset_y = page_width - source_clip_box.top;
+ break;
+ default:
+ NOTREACHED();
+ break;
+ }
+}
+
+// This formats a string with special 0xfffe end-of-line hyphens the same way
+// as Adobe Reader. When a hyphen is encountered, the next non-CR/LF whitespace
+// becomes CR+LF and the hyphen is erased. If there is no whitespace between
+// two hyphens, the latter hyphen is erased and ignored.
+void FormatStringWithHyphens(base::string16* text) {
+ // First pass marks all the hyphen positions.
+ struct HyphenPosition {
+ HyphenPosition() : position(0), next_whitespace_position(0) {}
+ size_t position;
+ size_t next_whitespace_position; // 0 for none
+ };
+ std::vector<HyphenPosition> hyphen_positions;
+ HyphenPosition current_hyphen_position;
+ bool current_hyphen_position_is_valid = false;
+ const base::char16 kPdfiumHyphenEOL = 0xfffe;
+
+ for (size_t i = 0; i < text->size(); ++i) {
+ const base::char16& current_char = (*text)[i];
+ if (current_char == kPdfiumHyphenEOL) {
+ if (current_hyphen_position_is_valid)
+ hyphen_positions.push_back(current_hyphen_position);
+ current_hyphen_position = HyphenPosition();
+ current_hyphen_position.position = i;
+ current_hyphen_position_is_valid = true;
+ } else if (IsWhitespace(current_char)) {
+ if (current_hyphen_position_is_valid) {
+ if (current_char != L'\r' && current_char != L'\n')
+ current_hyphen_position.next_whitespace_position = i;
+ hyphen_positions.push_back(current_hyphen_position);
+ current_hyphen_position_is_valid = false;
+ }
+ }
+ }
+ if (current_hyphen_position_is_valid)
+ hyphen_positions.push_back(current_hyphen_position);
+
+ // With all the hyphen positions, do the search and replace.
+ while (!hyphen_positions.empty()) {
+ static const base::char16 kCr[] = {L'\r', L'\0'};
+ const HyphenPosition& position = hyphen_positions.back();
+ if (position.next_whitespace_position != 0) {
+ (*text)[position.next_whitespace_position] = L'\n';
+ text->insert(position.next_whitespace_position, kCr);
+ }
+ text->erase(position.position, 1);
+ hyphen_positions.pop_back();
+ }
+
+ // Adobe Reader also get rid of trailing spaces right before a CRLF.
+ static const base::char16 kSpaceCrCn[] = {L' ', L'\r', L'\n', L'\0'};
+ static const base::char16 kCrCn[] = {L'\r', L'\n', L'\0'};
+ ReplaceSubstringsAfterOffset(text, 0, kSpaceCrCn, kCrCn);
+}
+
+// Replace CR/LF with just LF on POSIX.
+void FormatStringForOS(base::string16* text) {
+#if defined(OS_POSIX)
+ static const base::char16 kCr[] = {L'\r', L'\0'};
+ static const base::char16 kBlank[] = {L'\0'};
+ base::ReplaceChars(*text, kCr, kBlank, text);
+#elif defined(OS_WIN)
+ // Do nothing
+#else
+ NOTIMPLEMENTED();
+#endif
+}
+
+} // namespace
+
+bool InitializeSDK(void* data) {
+ FPDF_InitLibrary(data);
+
+#if defined(OS_LINUX)
+ // Font loading doesn't work in the renderer sandbox in Linux.
+ FPDF_SetSystemFontInfo(&g_font_info);
+#endif
+
+ FSDK_SetOOMHandler(&g_oom_info);
+ FSDK_SetUnSpObjProcessHandler(&g_unsuppored_info);
+
+ return true;
+}
+
+void ShutdownSDK() {
+ FPDF_DestroyLibrary();
+}
+
+PDFEngine* PDFEngine::Create(PDFEngine::Client* client) {
+ return new PDFiumEngine(client);
+}
+
+PDFiumEngine::PDFiumEngine(PDFEngine::Client* client)
+ : client_(client),
+ current_zoom_(1.0),
+ current_rotation_(0),
+ doc_loader_(this),
+ password_tries_remaining_(0),
+ doc_(NULL),
+ form_(NULL),
+ defer_page_unload_(false),
+ selecting_(false),
+ mouse_down_state_(PDFiumPage::NONSELECTABLE_AREA,
+ PDFiumPage::LinkTarget()),
+ next_page_to_search_(-1),
+ last_page_to_search_(-1),
+ last_character_index_to_search_(-1),
+ current_find_index_(-1),
+ resume_find_index_(-1),
+ permissions_(0),
+ fpdf_availability_(NULL),
+ next_timer_id_(0),
+ last_page_mouse_down_(-1),
+ first_visible_page_(-1),
+ most_visible_page_(-1),
+ called_do_document_action_(false),
+ render_grayscale_(false),
+ progressive_paint_timeout_(0),
+ getting_password_(false) {
+ find_factory_.Initialize(this);
+ password_factory_.Initialize(this);
+
+ file_access_.m_FileLen = 0;
+ file_access_.m_GetBlock = &GetBlock;
+ file_access_.m_Param = &doc_loader_;
+
+ file_availability_.version = 1;
+ file_availability_.IsDataAvail = &IsDataAvail;
+ file_availability_.loader = &doc_loader_;
+
+ download_hints_.version = 1;
+ download_hints_.AddSegment = &AddSegment;
+ download_hints_.loader = &doc_loader_;
+
+ // Initialize FPDF_FORMFILLINFO member variables. Deriving from this struct
+ // allows the static callbacks to be able to cast the FPDF_FORMFILLINFO in
+ // callbacks to ourself instead of maintaining a map of them to
+ // PDFiumEngine.
+ FPDF_FORMFILLINFO::version = 1;
+ FPDF_FORMFILLINFO::m_pJsPlatform = this;
+ FPDF_FORMFILLINFO::Release = NULL;
+ FPDF_FORMFILLINFO::FFI_Invalidate = Form_Invalidate;
+ FPDF_FORMFILLINFO::FFI_OutputSelectedRect = Form_OutputSelectedRect;
+ FPDF_FORMFILLINFO::FFI_SetCursor = Form_SetCursor;
+ FPDF_FORMFILLINFO::FFI_SetTimer = Form_SetTimer;
+ FPDF_FORMFILLINFO::FFI_KillTimer = Form_KillTimer;
+ FPDF_FORMFILLINFO::FFI_GetLocalTime = Form_GetLocalTime;
+ FPDF_FORMFILLINFO::FFI_OnChange = Form_OnChange;
+ FPDF_FORMFILLINFO::FFI_GetPage = Form_GetPage;
+ FPDF_FORMFILLINFO::FFI_GetCurrentPage = Form_GetCurrentPage;
+ FPDF_FORMFILLINFO::FFI_GetRotation = Form_GetRotation;
+ FPDF_FORMFILLINFO::FFI_ExecuteNamedAction = Form_ExecuteNamedAction;
+ FPDF_FORMFILLINFO::FFI_SetTextFieldFocus = Form_SetTextFieldFocus;
+ FPDF_FORMFILLINFO::FFI_DoURIAction = Form_DoURIAction;
+ FPDF_FORMFILLINFO::FFI_DoGoToAction = Form_DoGoToAction;
+#ifdef _TEST_XFA
+ FPDF_FORMFILLINFO::FFI_EmailTo = Form_EmailTo;
+ FPDF_FORMFILLINFO::FFI_DisplayCaret = Form_DisplayCaret;
+ //FPDF_FORMFILLINFO::FFI_GetCurDocumentIndex = Form_GetCurDocumentIndex;
+ //FPDF_FORMFILLINFO::FFI_GetDocumentCount = Form_GetDocumentCount;
+ FPDF_FORMFILLINFO::FFI_SetCurrentPage = Form_SetCurrentPage;
+ FPDF_FORMFILLINFO::FFI_GetCurrentPageIndex = Form_GetCurrentPageIndex;
+ FPDF_FORMFILLINFO::FFI_GetPageViewRect = Form_GetPageViewRect;
+ FPDF_FORMFILLINFO::FFI_GetPlatform = Form_GetPlatform;
+ FPDF_FORMFILLINFO::FFI_PopupMenu = Form_PopupMenu;
+ FPDF_FORMFILLINFO::FFI_PostRequestURL = Form_PostRequestURL;
+ FPDF_FORMFILLINFO::FFI_PutRequestURL = Form_PutRequestURL;
+// FPDF_FORMFILLINFO::FFI_ShowFileDialog = Form_ShowFileDialog;
+ FPDF_FORMFILLINFO::FFI_UploadTo = Form_UploadTo;
+ FPDF_FORMFILLINFO::FFI_DownloadFromURL = Form_DownloadFromURL;
+ // FPDF_FORMFILLINFO::FFI_GetFilePath = MyForm_GetFilePath;
+ FPDF_FORMFILLINFO::FFI_OpenFile = Form_OpenFile;
+ FPDF_FORMFILLINFO::FFI_GotoURL = Form_GotoURL;
+ FPDF_FORMFILLINFO::FFI_GetLanguage = Form_GetLanguage;
+#endif // _TEST_XFA
+ IPDF_JSPLATFORM::version = 1;
+ IPDF_JSPLATFORM::app_alert = Form_Alert;
+ IPDF_JSPLATFORM::app_beep = Form_Beep;
+ IPDF_JSPLATFORM::app_response = Form_Response;
+ IPDF_JSPLATFORM::Doc_getFilePath = Form_GetFilePath;
+ IPDF_JSPLATFORM::Doc_mail = Form_Mail;
+ IPDF_JSPLATFORM::Doc_print = Form_Print;
+ IPDF_JSPLATFORM::Doc_submitForm = Form_SubmitForm;
+ IPDF_JSPLATFORM::Doc_gotoPage = Form_GotoPage;
+ IPDF_JSPLATFORM::Field_browse = Form_Browse;
+
+ IFSDK_PAUSE::version = 1;
+ IFSDK_PAUSE::user = NULL;
+ IFSDK_PAUSE::NeedToPauseNow = Pause_NeedToPauseNow;
+}
+
+PDFiumEngine::~PDFiumEngine() {
+ for (size_t i = 0; i < pages_.size(); ++i)
+ pages_[i]->Unload();
+
+ if (doc_) {
+ if (form_) {
+ FORM_DoDocumentAAction(form_, FPDFDOC_AACTION_WC);
+ }
+ FPDF_CloseDocument(doc_);
+ if (form_) {
+ FPDFDOC_ExitFormFillEnviroument(form_);
+ }
+ }
+
+ if (fpdf_availability_)
+ FPDFAvail_Destroy(fpdf_availability_);
+
+ STLDeleteElements(&pages_);
+}
+
+#ifdef _TEST_XFA
+
+typedef struct _FPDF_FILE {
+ FPDF_FILEHANDLER fileHandler;
+ FILE* file;
+}FPDF_FILE;
+
+
+void Sample_Release(FPDF_LPVOID clientData) {
+ if (!clientData) return;
+
+ fclose(((FPDF_FILE*)clientData)->file);
+ delete ((FPDF_FILE*)clientData);
+}
+
+FPDF_DWORD Sample_GetSize(FPDF_LPVOID clientData) {
+ if (!clientData) return 0;
+
+ long curPos = ftell(((FPDF_FILE*)clientData)->file);
+ fseek(((FPDF_FILE*)clientData)->file, 0, SEEK_END);
+ long size = ftell(((FPDF_FILE*)clientData)->file);
+ fseek(((FPDF_FILE*)clientData)->file, curPos, SEEK_SET);
+
+ return (FPDF_DWORD)size;
+}
+
+FPDF_RESULT Sample_ReadBlock(FPDF_LPVOID clientData, FPDF_DWORD offset, FPDF_LPVOID buffer, FPDF_DWORD size) {
+ if (!clientData) return -1;
+
+ fseek(((FPDF_FILE*)clientData)->file, (long)offset, SEEK_SET);
+ size_t readSize = fread(buffer, 1, size, ((FPDF_FILE*)clientData)->file);
+ return readSize == size ? 0 : -1;
+}
+
+FPDF_RESULT Sample_WriteBlock(FPDF_LPVOID clientData, FPDF_DWORD offset, FPDF_LPCVOID buffer, FPDF_DWORD size) {
+ if (!clientData) return -1;
+
+ fseek(((FPDF_FILE*)clientData)->file, (long)offset, SEEK_SET);
+ //Write data
+ size_t writeSize = fwrite(buffer, 1, size, ((FPDF_FILE*)clientData)->file);
+ return writeSize == size ? 0 : -1;
+}
+
+FPDF_RESULT Sample_Flush(FPDF_LPVOID clientData) {
+ if (!clientData) return -1;
+
+ //Flush file
+ fflush(((FPDF_FILE*)clientData)->file);
+
+ return 0;
+}
+
+FPDF_RESULT Sample_Truncate(FPDF_LPVOID clientData, FPDF_DWORD size) {
+ return 0;
+}
+
+
+void PDFiumEngine::Form_EmailTo(FPDF_FORMFILLINFO* pThis,
+ FPDF_FILEHANDLER* fileHandler,
+ FPDF_WIDESTRING to,
+ FPDF_WIDESTRING subject,
+ FPDF_WIDESTRING cc,
+ FPDF_WIDESTRING bcc,
+ FPDF_WIDESTRING message) {
+ std::string to_str =
+ base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(to));
+ std::string subject_str =
+ base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(subject));
+ std::string cc_str =
+ base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(cc));
+ std::string bcc_str =
+ base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(bcc));
+ std::string message_str =
+ base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(message));
+
+ PDFiumEngine* engine = static_cast<PDFiumEngine*>(pThis);
+ engine->client_->Email(to_str, cc_str, bcc_str, subject_str, message_str);
+}
+
+void PDFiumEngine::Form_DisplayCaret(FPDF_FORMFILLINFO* pThis,
+ FPDF_PAGE page, FPDF_BOOL bVisible,
+ double left, double top, double right, double bottom) {
+ PDFiumEngine* engine = static_cast<PDFiumEngine*>(pThis);
+ engine->client_->UpdateCursor(PP_CURSORTYPE_IBEAM);
+ std::vector<pp::Rect> tickmarks;
+ pp::Rect rect(left, top, right, bottom);
+ tickmarks.push_back(rect);
+ engine->client_->UpdateTickMarks(tickmarks);
+}
+
+//int PDFiumEngine::Form_GetCurDocumentIndex(FPDF_FORMFILLINFO* pThis) {
+// PDFiumEngine* engine = static_cast<PDFiumEngine*>(pThis);
+// engine->client_->RunJSCmd("alert(\"GetCurDocumentIndex\")");
+// return 0;
+//}
+//
+//int PDFiumEngine::Form_GetDocumentCount(FPDF_FORMFILLINFO* pThis) {
+// PDFiumEngine* engine = static_cast<PDFiumEngine*>(pThis);
+// engine->client_->RunJSCmd("alert(\"GetCurDocumentCount\")");
+// return 0;
+//}
+
+void PDFiumEngine::Form_SetCurrentPage(FPDF_FORMFILLINFO* pThis, FPDF_DOCUMENT document, int iCurPage) {
+ PDFiumEngine* engine = static_cast<PDFiumEngine*>(pThis);
+ pp::Rect pageViewRect = engine->GetPageContentsRect(iCurPage);
+ engine->ScrolledToYPosition(pageViewRect.height());
+ pp::Point pos(1, pageViewRect.height());
+ engine->SetScrollPosition(pos);
+}
+
+int PDFiumEngine::Form_GetCurrentPageIndex(FPDF_FORMFILLINFO* pThis, FPDF_DOCUMENT document) {
+ //int pageCount = FPDF_GetPageCount(document);
+ int pageIndex = -1;
+ PDFiumEngine* engine = static_cast<PDFiumEngine*>(pThis);
+ pageIndex = engine->GetMostVisiblePage();
+ return pageIndex;
+}
+
+void PDFiumEngine::Form_GetPageViewRect(FPDF_FORMFILLINFO* pThis,
+ FPDF_PAGE page,
+ double* left, double* top, double* right, double* bottom) {
+ PDFiumEngine* engine = static_cast<PDFiumEngine*>(pThis);
+ int page_index = engine->GetMostVisiblePage();
+ pp::Rect pageViewRect = engine->GetPageContentsRect(page_index);
+
+ *left = pageViewRect.x();
+ *right = pageViewRect.width() + pageViewRect.x();
+ *top = pageViewRect.y();
+ *bottom = pageViewRect.height();
+
+ std::string javascript = "alert(\"PageViewRect:"
+ + base::DoubleToString(*left) + ","
+ + base::DoubleToString(*right) + ","
+ + base::DoubleToString(*top) + ","
+ + base::DoubleToString(*bottom) + ","
+ + "\")";
+
+}
+
+int PDFiumEngine::Form_GetPlatform(FPDF_FORMFILLINFO* pThis,
+ void* platform,
+ int length) {
+ int platform_flag = -1;
+#if defined(WIN32)
+ platform_flag = 0;
+#elif defined(__linux__)
+ platform_flag = 1;
+#else
+ platform_flag = 2;
+#endif
+ std::string javascript = "alert(\"Platform:"
+ + base::DoubleToString(platform_flag)
+ + "\")";
+ //platform = new char[3];
+ //char tem[10] = "WIN";
+ //strncpy((char*)platform, tem, 3);
+
+ return 3;
+}
+
+FPDF_BOOL PDFiumEngine::Form_PopupMenu(FPDF_FORMFILLINFO* pThis,
+ FPDF_PAGE page,
+ FPDF_WIDGET hWidget,
+ int menuFlag, float x, float y) {
+ return false;
+}
+
+FPDF_BOOL PDFiumEngine::Form_PostRequestURL(FPDF_FORMFILLINFO* pThis, FPDF_WIDESTRING wsURL,
+ FPDF_WIDESTRING wsData, FPDF_WIDESTRING wsContentType,
+ FPDF_WIDESTRING wsEncode, FPDF_WIDESTRING wsHeader, FPDF_BSTR* respone) {
+ std::string url_str =
+ base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(wsURL));
+ std::string data_str =
+ base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(wsData));
+ std::string content_type_str =
+ base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(wsContentType));
+ std::string encode_str =
+ base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(wsEncode));
+ std::string header_str =
+ base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(wsHeader));
+
+ std::string javascript = "alert(\"Post:"
+ + url_str + "," + data_str + "," + content_type_str + ","
+ + encode_str + "," + header_str
+ + "\")";
+ return true;
+}
+
+FPDF_BOOL PDFiumEngine::Form_PutRequestURL(FPDF_FORMFILLINFO* pThis,
+ FPDF_WIDESTRING wsURL, FPDF_WIDESTRING wsData, FPDF_WIDESTRING wsEncode) {
+ std::string url_str =
+ base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(wsURL));
+ std::string data_str =
+ base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(wsData));
+ std::string encode_str =
+ base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(wsEncode));
+
+ std::string javascript = "alert(\"Put:"
+ + url_str + "," + data_str + "," + encode_str
+ + "\")";
+
+ return true;
+}
+
+//FPDF_BOOL PDFiumEngine::Form_ShowFileDialog(FPDF_FORMFILLINFO* pThis, FPDF_WIDESTRING wsTitle, FPDF_WIDESTRING wsFilter, FPDF_BOOL isOpen, FPDF_STRINGHANDLE pathArr) {
+// int tem = 1;
+// tem++;
+// return false;
+//}
+
+void PDFiumEngine::Form_UploadTo(FPDF_FORMFILLINFO* pThis, FPDF_FILEHANDLER* fileHandler, int fileFlag, FPDF_WIDESTRING uploadTo) {
+ std::string to_str =
+ base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(uploadTo));
+
+}
+
+FPDF_LPFILEHANDLER PDFiumEngine::Form_DownloadFromURL(FPDF_FORMFILLINFO* pThis, FPDF_WIDESTRING URL) {
+ std::string url_str =
+ base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(URL));
+
+
+ // Get URL data...
+ FILE* file = fopen(FXQA_TESTFILE("downloadtest.tem"), "w");
+ FPDF_FILE* pFileHander = new FPDF_FILE;
+ pFileHander->file = file;
+ pFileHander->fileHandler.clientData = pFileHander;
+ pFileHander->fileHandler.Flush = Sample_Flush;
+ pFileHander->fileHandler.GetSize = Sample_GetSize;
+ pFileHander->fileHandler.ReadBlock = Sample_ReadBlock;
+ pFileHander->fileHandler.Release = Sample_Release;
+ pFileHander->fileHandler.Truncate = Sample_Truncate;
+ pFileHander->fileHandler.WriteBlock = Sample_WriteBlock;
+
+ return &pFileHander->fileHandler;
+}
+
+//FPDF_BOOL PDFiumEngine::MyForm_GetFilePath(FPDF_FORMFILLINFO* pThis, FPDF_FILEHANDLER* pFileHandler, void* filePath, int length) {
+// //std::string filePath = engine->client_->FileOpen(fileFlag);
+// if (filePath == NULL) {
+// std::string javascript = "alert(\"GetFilePath:NULL\")";
+// PDFiumEngine* engine = static_cast<PDFiumEngine*>(pThis);
+// engine->client_->RunJSCmd(javascript);
+// return false;
+// }
+// std::string filePath_str = (char*)filePath;
+//
+// std::string javascript = "alert(\"GetFilePath:" + filePath_str + "\")";
+// PDFiumEngine* engine = static_cast<PDFiumEngine*>(pThis);
+// engine->client_->RunJSCmd(javascript);
+//
+// FILE* file = fopen(FXQA_TESTFILE("tem.xdp"), "w");
+// FPDF_FILE* pFileHander = new FPDF_FILE;
+// pFileHander->file = file;
+// pFileHander->fileHandler.clientData = pFileHander;
+// pFileHander->fileHandler.Flush = Sample_Flush;
+// pFileHander->fileHandler.GetSize = Sample_GetSize;
+// pFileHander->fileHandler.ReadBlock = Sample_ReadBlock;
+// pFileHander->fileHandler.Release = Sample_Release;
+// pFileHander->fileHandler.Truncate = Sample_Truncate;
+// pFileHander->fileHandler.WriteBlock = Sample_WriteBlock;
+//
+// pFileHandler = &pFileHander->fileHandler;
+//
+// return true;
+//}
+
+FPDF_FILEHANDLER* PDFiumEngine::Form_OpenFile(FPDF_FORMFILLINFO* pThis, int fileFlag, FPDF_WIDESTRING wsURL, const char* mode) {
+ std::string url_str = "NULL";
+ if (wsURL == NULL) {
+ url_str = "NULL";
+ }
+ else {
+ url_str =
+ base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(wsURL));
+ }
+ if (strncmp(mode, "wb", 2) == 0) {
+
+ FILE* file = fopen(FXQA_TESTFILE("tem.txt"), mode);
+ FPDF_FILE* pFileHander = new FPDF_FILE;
+ pFileHander->file = file;
+ pFileHander->fileHandler.clientData = pFileHander;
+ pFileHander->fileHandler.Flush = Sample_Flush;
+ pFileHander->fileHandler.GetSize = Sample_GetSize;
+ pFileHander->fileHandler.ReadBlock = Sample_ReadBlock;
+ pFileHander->fileHandler.Release = Sample_Release;
+ pFileHander->fileHandler.Truncate = Sample_Truncate;
+ pFileHander->fileHandler.WriteBlock = Sample_WriteBlock;
+ return &pFileHander->fileHandler;
+ }
+ else {
+ url_str = base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(wsURL));
+ }
+ return NULL;
+}
+
+
+void PDFiumEngine::Form_GotoURL(FPDF_FORMFILLINFO* pThis, FPDF_DOCUMENT document, FPDF_WIDESTRING wsURL) {
+ std::string url_str =
+ base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(wsURL));
+ int pageCount = FPDF_GetPageCount(document);
+}
+
+int PDFiumEngine::Form_GetLanguage(FPDF_FORMFILLINFO* pThis, void* language, int length) {
+ return 0;
+}
+
+#endif // _TEST_XFA
+
+int PDFiumEngine::GetBlock(void* param, unsigned long position,
+ unsigned char* buffer, unsigned long size) {
+ DocumentLoader* loader = static_cast<DocumentLoader*>(param);
+ return loader->GetBlock(position, size, buffer);
+}
+
+bool PDFiumEngine::IsDataAvail(FX_FILEAVAIL* param,
+ size_t offset, size_t size) {
+ PDFiumEngine::FileAvail* file_avail =
+ static_cast<PDFiumEngine::FileAvail*>(param);
+ return file_avail->loader->IsDataAvailable(offset, size);
+}
+
+void PDFiumEngine::AddSegment(FX_DOWNLOADHINTS* param,
+ size_t offset, size_t size) {
+ PDFiumEngine::DownloadHints* download_hints =
+ static_cast<PDFiumEngine::DownloadHints*>(param);
+ return download_hints->loader->RequestData(offset, size);
+}
+
+bool PDFiumEngine::New(const char* url) {
+ url_ = url;
+ headers_ = std::string();
+ return true;
+}
+
+bool PDFiumEngine::New(const char* url,
+ const char* headers) {
+ url_ = url;
+ if (!headers)
+ headers_ = std::string();
+ else
+ headers_ = headers;
+ return true;
+}
+
+void PDFiumEngine::PageOffsetUpdated(const pp::Point& page_offset) {
+ page_offset_ = page_offset;
+}
+
+void PDFiumEngine::PluginSizeUpdated(const pp::Size& size) {
+ CancelPaints();
+
+ plugin_size_ = size;
+ CalculateVisiblePages();
+}
+
+void PDFiumEngine::ScrolledToXPosition(int position) {
+ CancelPaints();
+
+ int old_x = position_.x();
+ position_.set_x(position);
+ CalculateVisiblePages();
+ client_->Scroll(pp::Point(old_x - position, 0));
+}
+
+void PDFiumEngine::ScrolledToYPosition(int position) {
+ CancelPaints();
+
+ int old_y = position_.y();
+ position_.set_y(position);
+ CalculateVisiblePages();
+ client_->Scroll(pp::Point(0, old_y - position));
+}
+
+void PDFiumEngine::PrePaint() {
+ for (size_t i = 0; i < progressive_paints_.size(); ++i)
+ progressive_paints_[i].painted_ = false;
+}
+
+void PDFiumEngine::Paint(const pp::Rect& rect,
+ pp::ImageData* image_data,
+ std::vector<pp::Rect>* ready,
+ std::vector<pp::Rect>* pending) {
+ pp::Rect leftover = rect;
+ for (size_t i = 0; i < visible_pages_.size(); ++i) {
+ int index = visible_pages_[i];
+ pp::Rect page_rect = pages_[index]->rect();
+ // Convert the current page's rectangle to screen rectangle. We do this
+ // instead of the reverse (converting the dirty rectangle from screen to
+ // page coordinates) because then we'd have to convert back to screen
+ // coordinates, and the rounding errors sometime leave pixels dirty or even
+ // move the text up or down a pixel when zoomed.
+ pp::Rect page_rect_in_screen = GetPageScreenRect(index);
+ pp::Rect dirty_in_screen = page_rect_in_screen.Intersect(leftover);
+ if (dirty_in_screen.IsEmpty())
+ continue;
+
+ leftover = leftover.Subtract(dirty_in_screen);
+
+ if (pages_[index]->available()) {
+ int progressive = GetProgressiveIndex(index);
+ if (progressive != -1 &&
+ progressive_paints_[progressive].rect != dirty_in_screen) {
+ // The PDFium code can only handle one progressive paint at a time, so
+ // queue this up. Previously we used to merge the rects when this
+ // happened, but it made scrolling up on complex PDFs very slow since
+ // there would be a damaged rect at the top (from scroll) and at the
+ // bottom (from toolbar).
+ pending->push_back(dirty_in_screen);
+ continue;
+ }
+
+ if (progressive == -1) {
+ progressive = StartPaint(index, dirty_in_screen);
+ progressive_paint_timeout_ = kMaxInitialProgressivePaintTimeMs;
+ } else {
+ progressive_paint_timeout_ = kMaxProgressivePaintTimeMs;
+ }
+
+ progressive_paints_[progressive].painted_ = true;
+ if (ContinuePaint(progressive, image_data)) {
+ FinishPaint(progressive, image_data);
+ ready->push_back(dirty_in_screen);
+ } else {
+ pending->push_back(dirty_in_screen);
+ }
+ } else {
+ PaintUnavailablePage(index, dirty_in_screen, image_data);
+ ready->push_back(dirty_in_screen);
+ }
+ }
+}
+
+void PDFiumEngine::PostPaint() {
+ for (size_t i = 0; i < progressive_paints_.size(); ++i) {
+ if (progressive_paints_[i].painted_)
+ continue;
+
+ // This rectangle must have been merged with another one, that's why we
+ // weren't asked to paint it. Remove it or otherwise we'll never finish
+ // painting.
+ FPDF_RenderPage_Close(
+ pages_[progressive_paints_[i].page_index]->GetPage());
+ FPDFBitmap_Destroy(progressive_paints_[i].bitmap);
+ progressive_paints_.erase(progressive_paints_.begin() + i);
+ --i;
+ }
+}
+
+bool PDFiumEngine::HandleDocumentLoad(const pp::URLLoader& loader) {
+ password_tries_remaining_ = kMaxPasswordTries;
+ return doc_loader_.Init(loader, url_, headers_);
+}
+
+pp::Instance* PDFiumEngine::GetPluginInstance() {
+ return client_->GetPluginInstance();
+}
+
+pp::URLLoader PDFiumEngine::CreateURLLoader() {
+ return client_->CreateURLLoader();
+}
+
+void PDFiumEngine::AppendPage(PDFEngine* engine, int index) {
+ // Unload and delete the blank page before appending.
+ pages_[index]->Unload();
+ pages_[index]->set_calculated_links(false);
+ pp::Size curr_page_size = GetPageSize(index);
+ FPDFPage_Delete(doc_, index);
+ FPDF_ImportPages(doc_,
+ static_cast<PDFiumEngine*>(engine)->doc(),
+ "1",
+ index);
+ pp::Size new_page_size = GetPageSize(index);
+ if (curr_page_size != new_page_size)
+ LoadPageInfo(true);
+ client_->Invalidate(GetPageScreenRect(index));
+}
+
+pp::Point PDFiumEngine::GetScrollPosition() {
+ return position_;
+}
+
+void PDFiumEngine::SetScrollPosition(const pp::Point& position) {
+ position_ = position;
+}
+
+bool PDFiumEngine::IsProgressiveLoad() {
+ return doc_loader_.is_partial_document();
+}
+
+void PDFiumEngine::OnPartialDocumentLoaded() {
+ file_access_.m_FileLen = doc_loader_.document_size();
+ fpdf_availability_ = FPDFAvail_Create(&file_availability_, &file_access_);
+ DCHECK(fpdf_availability_);
+
+ // Currently engine does not deal efficiently with some non-linearized files.
+ // See http://code.google.com/p/chromium/issues/detail?id=59400
+ // To improve user experience we download entire file for non-linearized PDF.
+ if (!FPDFAvail_IsLinearized(fpdf_availability_)) {
+ doc_loader_.RequestData(0, doc_loader_.document_size());
+ return;
+ }
+
+ LoadDocument();
+}
+
+void PDFiumEngine::OnPendingRequestComplete() {
+ if (!doc_ || !form_) {
+ LoadDocument();
+ return;
+ }
+
+ // LoadDocument() will result in |pending_pages_| being reset so there's no
+ // need to run the code below in that case.
+ bool update_pages = false;
+ std::vector<int> still_pending;
+ for (size_t i = 0; i < pending_pages_.size(); ++i) {
+ if (CheckPageAvailable(pending_pages_[i], &still_pending)) {
+ update_pages = true;
+ if (IsPageVisible(pending_pages_[i]))
+ client_->Invalidate(GetPageScreenRect(pending_pages_[i]));
+ }
+ }
+ pending_pages_.swap(still_pending);
+ if (update_pages)
+ LoadPageInfo(true);
+}
+
+void PDFiumEngine::OnNewDataAvailable() {
+ client_->DocumentLoadProgress(doc_loader_.GetAvailableData(),
+ doc_loader_.document_size());
+}
+
+void PDFiumEngine::OnDocumentComplete() {
+ if (!doc_ || !form_) {
+ file_access_.m_FileLen = doc_loader_.document_size();
+ LoadDocument();
+ return;
+ }
+
+ bool need_update = false;
+ for (size_t i = 0; i < pages_.size(); ++i) {
+ if (pages_[i]->available())
+ continue;
+
+ pages_[i]->set_available(true);
+ // We still need to call IsPageAvail() even if the whole document is
+ // already downloaded.
+ FPDFAvail_IsPageAvail(fpdf_availability_, i, &download_hints_);
+ need_update = true;
+ if (IsPageVisible(i))
+ client_->Invalidate(GetPageScreenRect(i));
+ }
+ if (need_update)
+ LoadPageInfo(true);
+
+ FinishLoadingDocument();
+}
+
+void PDFiumEngine::FinishLoadingDocument() {
+ DCHECK(doc_loader_.IsDocumentComplete() && doc_);
+ if (called_do_document_action_)
+ return;
+ called_do_document_action_ = true;
+
+ // These can only be called now, as the JS might end up needing a page.
+ FORM_DoDocumentJSAction(form_);
+ FORM_DoDocumentOpenAction(form_);
+ if (most_visible_page_ != -1) {
+ FPDF_PAGE new_page = pages_[most_visible_page_]->GetPage();
+ FORM_DoPageAAction(new_page, form_, FPDFPAGE_AACTION_OPEN);
+ }
+
+ if (doc_) // This can only happen if loading |doc_| fails.
+ client_->DocumentLoadComplete(pages_.size());
+}
+
+void PDFiumEngine::UnsupportedFeature(int type) {
+ std::string feature;
+ switch (type) {
+ case FPDF_UNSP_DOC_XFAFORM:
+ //feature = "XFA";
+ break;
+ case FPDF_UNSP_DOC_PORTABLECOLLECTION:
+ feature = "Portfolios_Packages";
+ break;
+ case FPDF_UNSP_DOC_ATTACHMENT:
+ case FPDF_UNSP_ANNOT_ATTACHMENT:
+ feature = "Attachment";
+ break;
+ case FPDF_UNSP_DOC_SECURITY:
+ feature = "Rights_Management";
+ break;
+ case FPDF_UNSP_DOC_SHAREDREVIEW:
+ feature = "Shared_Review";
+ break;
+ case FPDF_UNSP_DOC_SHAREDFORM_ACROBAT:
+ case FPDF_UNSP_DOC_SHAREDFORM_FILESYSTEM:
+ case FPDF_UNSP_DOC_SHAREDFORM_EMAIL:
+ feature = "Shared_Form";
+ break;
+ case FPDF_UNSP_ANNOT_3DANNOT:
+ feature = "3D";
+ break;
+ case FPDF_UNSP_ANNOT_MOVIE:
+ feature = "Movie";
+ break;
+ case FPDF_UNSP_ANNOT_SOUND:
+ feature = "Sound";
+ break;
+ case FPDF_UNSP_ANNOT_SCREEN_MEDIA:
+ case FPDF_UNSP_ANNOT_SCREEN_RICHMEDIA:
+ feature = "Screen";
+ break;
+ case FPDF_UNSP_ANNOT_SIG:
+ feature = "Digital_Signature";
+ break;
+ }
+ client_->DocumentHasUnsupportedFeature(feature);
+}
+
+void PDFiumEngine::ContinueFind(int32_t result) {
+ StartFind(current_find_text_.c_str(), !!result);
+}
+
+bool PDFiumEngine::HandleEvent(const pp::InputEvent& event) {
+ DCHECK(!defer_page_unload_);
+ defer_page_unload_ = true;
+ bool rv = false;
+ switch (event.GetType()) {
+ case PP_INPUTEVENT_TYPE_MOUSEDOWN:
+ rv = OnMouseDown(pp::MouseInputEvent(event));
+ break;
+ case PP_INPUTEVENT_TYPE_MOUSEUP:
+ rv = OnMouseUp(pp::MouseInputEvent(event));
+ break;
+ case PP_INPUTEVENT_TYPE_MOUSEMOVE:
+ rv = OnMouseMove(pp::MouseInputEvent(event));
+ break;
+ case PP_INPUTEVENT_TYPE_KEYDOWN:
+ rv = OnKeyDown(pp::KeyboardInputEvent(event));
+ break;
+ case PP_INPUTEVENT_TYPE_KEYUP:
+ rv = OnKeyUp(pp::KeyboardInputEvent(event));
+ break;
+ case PP_INPUTEVENT_TYPE_CHAR:
+ rv = OnChar(pp::KeyboardInputEvent(event));
+ break;
+ default:
+ break;
+ }
+
+ DCHECK(defer_page_unload_);
+ defer_page_unload_ = false;
+ for (size_t i = 0; i < deferred_page_unloads_.size(); ++i)
+ pages_[deferred_page_unloads_[i]]->Unload();
+ deferred_page_unloads_.clear();
+ return rv;
+}
+
+uint32_t PDFiumEngine::QuerySupportedPrintOutputFormats() {
+ if (!HasPermission(PDFEngine::PERMISSION_PRINT_LOW_QUALITY))
+ return 0;
+ return PP_PRINTOUTPUTFORMAT_PDF;
+}
+
+void PDFiumEngine::PrintBegin() {
+ FORM_DoDocumentAAction(form_, FPDFDOC_AACTION_WP);
+}
+
+pp::Resource PDFiumEngine::PrintPages(
+ const PP_PrintPageNumberRange_Dev* page_ranges, uint32_t page_range_count,
+ const PP_PrintSettings_Dev& print_settings) {
+ if (HasPermission(PDFEngine::PERMISSION_PRINT_HIGH_QUALITY))
+ return PrintPagesAsPDF(page_ranges, page_range_count, print_settings);
+ else if (HasPermission(PDFEngine::PERMISSION_PRINT_LOW_QUALITY))
+ return PrintPagesAsRasterPDF(page_ranges, page_range_count, print_settings);
+ return pp::Resource();
+}
+
+FPDF_DOCUMENT PDFiumEngine::CreateSinglePageRasterPdf(
+ double source_page_width,
+ double source_page_height,
+ const PP_PrintSettings_Dev& print_settings,
+ PDFiumPage* page_to_print) {
+ FPDF_DOCUMENT temp_doc = FPDF_CreateNewDocument();
+ if (!temp_doc)
+ return temp_doc;
+
+ const pp::Size& bitmap_size(page_to_print->rect().size());
+
+ FPDF_PAGE temp_page =
+ FPDFPage_New(temp_doc, 0, source_page_width, source_page_height);
+
+ pp::ImageData image = pp::ImageData(client_->GetPluginInstance(),
+ PP_IMAGEDATAFORMAT_BGRA_PREMUL,
+ bitmap_size,
+ false);
+
+ FPDF_BITMAP bitmap = FPDFBitmap_CreateEx(bitmap_size.width(),
+ bitmap_size.height(),
+ FPDFBitmap_BGRx,
+ image.data(),
+ image.stride());
+
+ // Clear the bitmap
+ FPDFBitmap_FillRect(
+ bitmap, 0, 0, bitmap_size.width(), bitmap_size.height(), 0xFFFFFFFF);
+
+ pp::Rect page_rect = page_to_print->rect();
+ FPDF_RenderPageBitmap(bitmap,
+ page_to_print->GetPrintPage(),
+ page_rect.x(),
+ page_rect.y(),
+ page_rect.width(),
+ page_rect.height(),
+ print_settings.orientation,
+ FPDF_ANNOT | FPDF_PRINTING | FPDF_NO_CATCH);
+
+ double ratio_x = (static_cast<double>(bitmap_size.width()) * kPointsPerInch) /
+ print_settings.dpi;
+ double ratio_y =
+ (static_cast<double>(bitmap_size.height()) * kPointsPerInch) /
+ print_settings.dpi;
+
+ // Add the bitmap to an image object and add the image object to the output
+ // page.
+ FPDF_PAGEOBJECT temp_img = FPDFPageObj_NewImgeObj(temp_doc);
+ FPDFImageObj_SetBitmap(&temp_page, 1, temp_img, bitmap);
+ FPDFImageObj_SetMatrix(temp_img, ratio_x, 0, 0, ratio_y, 0, 0);
+ FPDFPage_InsertObject(temp_page, temp_img);
+ FPDFPage_GenerateContent(temp_page);
+ FPDF_ClosePage(temp_page);
+
+ page_to_print->ClosePrintPage();
+ FPDFBitmap_Destroy(bitmap);
+
+ return temp_doc;
+}
+
+pp::Buffer_Dev PDFiumEngine::PrintPagesAsRasterPDF(
+ const PP_PrintPageNumberRange_Dev* page_ranges, uint32_t page_range_count,
+ const PP_PrintSettings_Dev& print_settings) {
+ if (!page_range_count)
+ return pp::Buffer_Dev();
+
+ // If document is not downloaded yet, disable printing.
+ if (doc_ && !doc_loader_.IsDocumentComplete())
+ return pp::Buffer_Dev();
+
+ FPDF_DOCUMENT output_doc = FPDF_CreateNewDocument();
+ if (!output_doc)
+ return pp::Buffer_Dev();
+
+ SaveSelectedFormForPrint();
+
+ std::vector<PDFiumPage> pages_to_print;
+ // width and height of source PDF pages.
+ std::vector<std::pair<double, double> > source_page_sizes;
+ // Collect pages to print and sizes of source pages.
+ std::vector<uint32_t> page_numbers =
+ GetPageNumbersFromPrintPageNumberRange(page_ranges, page_range_count);
+ for (size_t i = 0; i < page_numbers.size(); ++i) {
+ uint32_t page_number = page_numbers[i];
+ FPDF_PAGE pdf_page = FPDF_LoadPage(doc_, page_number);
+ double source_page_width = FPDF_GetPageWidth(pdf_page);
+ double source_page_height = FPDF_GetPageHeight(pdf_page);
+ source_page_sizes.push_back(std::make_pair(source_page_width,
+ source_page_height));
+
+ int width_in_pixels = ConvertUnit(source_page_width,
+ static_cast<int>(kPointsPerInch),
+ print_settings.dpi);
+ int height_in_pixels = ConvertUnit(source_page_height,
+ static_cast<int>(kPointsPerInch),
+ print_settings.dpi);
+
+ pp::Rect rect(width_in_pixels, height_in_pixels);
+ pages_to_print.push_back(PDFiumPage(this, page_number, rect, true));
+ FPDF_ClosePage(pdf_page);
+ }
+
+#if defined(OS_LINUX)
+ g_last_instance_id = client_->GetPluginInstance()->pp_instance();
+#endif
+
+ size_t i = 0;
+ for (; i < pages_to_print.size(); ++i) {
+ double source_page_width = source_page_sizes[i].first;
+ double source_page_height = source_page_sizes[i].second;
+
+ // Use temp_doc to compress image by saving PDF to buffer.
+ FPDF_DOCUMENT temp_doc = CreateSinglePageRasterPdf(source_page_width,
+ source_page_height,
+ print_settings,
+ &pages_to_print[i]);
+
+ if (!temp_doc)
+ break;
+
+ pp::Buffer_Dev buffer = GetFlattenedPrintData(temp_doc);
+ FPDF_CloseDocument(temp_doc);
+
+ PDFiumMemBufferFileRead file_read(buffer.data(), buffer.size());
+ temp_doc = FPDF_LoadCustomDocument(&file_read, NULL);
+
+ FPDF_BOOL imported = FPDF_ImportPages(output_doc, temp_doc, "1", i);
+ FPDF_CloseDocument(temp_doc);
+ if (!imported)
+ break;
+ }
+
+ pp::Buffer_Dev buffer;
+ if (i == pages_to_print.size()) {
+ FPDF_CopyViewerPreferences(output_doc, doc_);
+ FitContentsToPrintableAreaIfRequired(output_doc, print_settings);
+ // Now flatten all the output pages.
+ buffer = GetFlattenedPrintData(output_doc);
+ }
+ FPDF_CloseDocument(output_doc);
+ return buffer;
+}
+
+pp::Buffer_Dev PDFiumEngine::GetFlattenedPrintData(const FPDF_DOCUMENT& doc) {
+ int page_count = FPDF_GetPageCount(doc);
+ bool flatten_succeeded = true;
+ for (int i = 0; i < page_count; ++i) {
+ FPDF_PAGE page = FPDF_LoadPage(doc, i);
+ DCHECK(page);
+ if (page) {
+ int flatten_ret = FPDFPage_Flatten(page, FLAT_PRINT);
+ FPDF_ClosePage(page);
+ if (flatten_ret == FLATTEN_FAIL) {
+ flatten_succeeded = false;
+ break;
+ }
+ } else {
+ flatten_succeeded = false;
+ break;
+ }
+ }
+ if (!flatten_succeeded) {
+ FPDF_CloseDocument(doc);
+ return pp::Buffer_Dev();
+ }
+
+ pp::Buffer_Dev buffer;
+ PDFiumMemBufferFileWrite output_file_write;
+ if (FPDF_SaveAsCopy(doc, &output_file_write, 0)) {
+ buffer = pp::Buffer_Dev(
+ client_->GetPluginInstance(), output_file_write.size());
+ if (!buffer.is_null()) {
+ memcpy(buffer.data(), output_file_write.buffer().c_str(),
+ output_file_write.size());
+ }
+ }
+ return buffer;
+}
+
+pp::Buffer_Dev PDFiumEngine::PrintPagesAsPDF(
+ const PP_PrintPageNumberRange_Dev* page_ranges, uint32_t page_range_count,
+ const PP_PrintSettings_Dev& print_settings) {
+ if (!page_range_count)
+ return pp::Buffer_Dev();
+
+ DCHECK(doc_);
+ FPDF_DOCUMENT output_doc = FPDF_CreateNewDocument();
+ if (!output_doc)
+ return pp::Buffer_Dev();
+
+ SaveSelectedFormForPrint();
+
+ std::string page_number_str;
+ for (uint32_t index = 0; index < page_range_count; ++index) {
+ if (!page_number_str.empty())
+ page_number_str.append(",");
+ page_number_str.append(
+ base::IntToString(page_ranges[index].first_page_number + 1));
+ if (page_ranges[index].first_page_number !=
+ page_ranges[index].last_page_number) {
+ page_number_str.append("-");
+ page_number_str.append(
+ base::IntToString(page_ranges[index].last_page_number + 1));
+ }
+ }
+
+ std::vector<uint32_t> page_numbers =
+ GetPageNumbersFromPrintPageNumberRange(page_ranges, page_range_count);
+ for (size_t i = 0; i < page_numbers.size(); ++i) {
+ uint32_t page_number = page_numbers[i];
+ pages_[page_number]->GetPage();
+ if (!IsPageVisible(page_numbers[i]))
+ pages_[page_number]->Unload();
+ }
+
+ FPDF_CopyViewerPreferences(output_doc, doc_);
+ if (!FPDF_ImportPages(output_doc, doc_, page_number_str.c_str(), 0)) {
+ FPDF_CloseDocument(output_doc);
+ return pp::Buffer_Dev();
+ }
+
+ FitContentsToPrintableAreaIfRequired(output_doc, print_settings);
+
+ // Now flatten all the output pages.
+ pp::Buffer_Dev buffer = GetFlattenedPrintData(output_doc);
+ FPDF_CloseDocument(output_doc);
+ return buffer;
+}
+
+void PDFiumEngine::FitContentsToPrintableAreaIfRequired(
+ const FPDF_DOCUMENT& doc, const PP_PrintSettings_Dev& print_settings) {
+ // Check to see if we need to fit pdf contents to printer paper size.
+ if (print_settings.print_scaling_option !=
+ PP_PRINTSCALINGOPTION_SOURCE_SIZE) {
+ int num_pages = FPDF_GetPageCount(doc);
+ // In-place transformation is more efficient than creating a new
+ // transformed document from the source document. Therefore, transform
+ // every page to fit the contents in the selected printer paper.
+ for (int i = 0; i < num_pages; ++i) {
+ FPDF_PAGE page = FPDF_LoadPage(doc, i);
+ TransformPDFPageForPrinting(page, print_settings);
+ FPDF_ClosePage(page);
+ }
+ }
+}
+
+void PDFiumEngine::SaveSelectedFormForPrint() {
+ FORM_ForceToKillFocus(form_);
+ client_->FormTextFieldFocusChange(false);
+}
+
+void PDFiumEngine::PrintEnd() {
+ FORM_DoDocumentAAction(form_, FPDFDOC_AACTION_DP);
+}
+
+PDFiumPage::Area PDFiumEngine::GetCharIndex(
+ const pp::MouseInputEvent& event, int* page_index,
+ int* char_index, PDFiumPage::LinkTarget* target) {
+ // First figure out which page this is in.
+ pp::Point mouse_point = event.GetPosition();
+ pp::Point point(
+ static_cast<int>((mouse_point.x() + position_.x()) / current_zoom_),
+ static_cast<int>((mouse_point.y() + position_.y()) / current_zoom_));
+ return GetCharIndex(point, page_index, char_index, target);
+}
+
+PDFiumPage::Area PDFiumEngine::GetCharIndex(
+ const pp::Point& point,
+ int* page_index,
+ int* char_index,
+ PDFiumPage::LinkTarget* target) {
+ int page = -1;
+ for (size_t i = 0; i < visible_pages_.size(); ++i) {
+ if (pages_[visible_pages_[i]]->rect().Contains(point)) {
+ page = visible_pages_[i];
+ break;
+ }
+ }
+ if (page == -1)
+ return PDFiumPage::NONSELECTABLE_AREA;
+
+ // If the page hasn't finished rendering, calling into the page sometimes
+ // leads to hangs.
+ for (size_t i = 0; i < progressive_paints_.size(); ++i) {
+ if (progressive_paints_[i].page_index == page)
+ return PDFiumPage::NONSELECTABLE_AREA;
+ }
+
+ *page_index = page;
+ return pages_[page]->GetCharIndex(point, current_rotation_, char_index,
+ target);
+}
+
+bool PDFiumEngine::OnMouseDown(const pp::MouseInputEvent& event) {
+ if (event.GetButton() != PP_INPUTEVENT_MOUSEBUTTON_LEFT)
+ return false;
+
+ SelectionChangeInvalidator selection_invalidator(this);
+ selection_.clear();
+
+ int page_index = -1;
+ int char_index = -1;
+ PDFiumPage::LinkTarget target;
+ PDFiumPage::Area area = GetCharIndex(event, &page_index,
+ &char_index, &target);
+ mouse_down_state_.Set(area, target);
+
+ // Decide whether to open link or not based on user action in mouse up and
+ // mouse move events.
+ if (area == PDFiumPage::WEBLINK_AREA)
+ return true;
+
+ if (area == PDFiumPage::DOCLINK_AREA) {
+ client_->ScrollToPage(target.page);
+ client_->FormTextFieldFocusChange(false);
+ return true;
+ }
+
+ if (page_index != -1) {
+ last_page_mouse_down_ = page_index;
+ double page_x, page_y;
+ pp::Point point = event.GetPosition();
+ DeviceToPage(page_index, point.x(), point.y(), &page_x, &page_y);
+
+ FORM_OnLButtonDown(form_, pages_[page_index]->GetPage(), 0, page_x, page_y);
+ int control = FPDPage_HasFormFieldAtPoint(
+ form_, pages_[page_index]->GetPage(), page_x, page_y);
+ if (control > FPDF_FORMFIELD_UNKNOWN) { // returns -1 sometimes...
+#ifdef _TEST_XFA
+ client_->FormTextFieldFocusChange(control == FPDF_FORMFIELD_TEXTFIELD ||
+ control == FPDF_FORMFIELD_COMBOBOX ||
+ control == FPDF_FORMFIELD_XFA);
+#else
+ client_->FormTextFieldFocusChange(control == FPDF_FORMFIELD_TEXTFIELD ||
+ control == FPDF_FORMFIELD_COMBOBOX);
+#endif
+ return true; // Return now before we get into the selection code.
+ }
+ }
+
+ client_->FormTextFieldFocusChange(false);
+
+ if (area != PDFiumPage::TEXT_AREA)
+ return true; // Return true so WebKit doesn't do its own highlighting.
+
+ if (event.GetClickCount() == 1) {
+ OnSingleClick(page_index, char_index);
+ } else if (event.GetClickCount() == 2 ||
+ event.GetClickCount() == 3) {
+ OnMultipleClick(event.GetClickCount(), page_index, char_index);
+ }
+
+ return true;
+}
+
+void PDFiumEngine::OnSingleClick(int page_index, int char_index) {
+ selecting_ = true;
+ selection_.push_back(PDFiumRange(pages_[page_index], char_index, 0));
+}
+
+void PDFiumEngine::OnMultipleClick(int click_count,
+ int page_index,
+ int char_index) {
+ // It would be more efficient if the SDK could support finding a space, but
+ // now it doesn't.
+ int start_index = char_index;
+ do {
+ base::char16 cur = pages_[page_index]->GetCharAtIndex(start_index);
+ // For double click, we want to select one word so we look for whitespace
+ // boundaries. For triple click, we want the whole line.
+ if (cur == '\n' || (click_count == 2 && (cur == ' ' || cur == '\t')))
+ break;
+ } while (--start_index >= 0);
+ if (start_index)
+ start_index++;
+
+ int end_index = char_index;
+ int total = pages_[page_index]->GetCharCount();
+ while (end_index++ <= total) {
+ base::char16 cur = pages_[page_index]->GetCharAtIndex(end_index);
+ if (cur == '\n' || (click_count == 2 && (cur == ' ' || cur == '\t')))
+ break;
+ }
+
+ selection_.push_back(PDFiumRange(
+ pages_[page_index], start_index, end_index - start_index));
+}
+
+bool PDFiumEngine::OnMouseUp(const pp::MouseInputEvent& event) {
+ if (event.GetButton() != PP_INPUTEVENT_MOUSEBUTTON_LEFT)
+ return false;
+
+ int page_index = -1;
+ int char_index = -1;
+ PDFiumPage::LinkTarget target;
+ PDFiumPage::Area area =
+ GetCharIndex(event, &page_index, &char_index, &target);
+
+ // Open link on mouse up for same link for which mouse down happened earlier.
+ if (mouse_down_state_.Matches(area, target)) {
+ if (area == PDFiumPage::WEBLINK_AREA) {
+ bool open_in_new_tab = !!(event.GetModifiers() & kDefaultKeyModifier);
+ client_->NavigateTo(target.url, open_in_new_tab);
+ client_->FormTextFieldFocusChange(false);
+ return true;
+ }
+ }
+
+ if (page_index != -1) {
+ double page_x, page_y;
+ pp::Point point = event.GetPosition();
+ DeviceToPage(page_index, point.x(), point.y(), &page_x, &page_y);
+ FORM_OnLButtonUp(
+ form_, pages_[page_index]->GetPage(), 0, page_x, page_y);
+ }
+
+ if (!selecting_)
+ return false;
+
+ selecting_ = false;
+ return true;
+}
+
+bool PDFiumEngine::OnMouseMove(const pp::MouseInputEvent& event) {
+ int page_index = -1;
+ int char_index = -1;
+ PDFiumPage::LinkTarget target;
+ PDFiumPage::Area area =
+ GetCharIndex(event, &page_index, &char_index, &target);
+
+ // Clear |mouse_down_state_| if mouse moves away from where the mouse down
+ // happened.
+ if (!mouse_down_state_.Matches(area, target))
+ mouse_down_state_.Reset();
+
+ if (!selecting_) {
+ PP_CursorType_Dev cursor;
+ switch (area) {
+ case PDFiumPage::TEXT_AREA:
+ cursor = PP_CURSORTYPE_IBEAM;
+ break;
+ case PDFiumPage::WEBLINK_AREA:
+ case PDFiumPage::DOCLINK_AREA:
+ cursor = PP_CURSORTYPE_HAND;
+ break;
+ case PDFiumPage::NONSELECTABLE_AREA:
+ default:
+ cursor = PP_CURSORTYPE_POINTER;
+ break;
+ }
+
+ if (page_index != -1) {
+ double page_x, page_y;
+ pp::Point point = event.GetPosition();
+ DeviceToPage(page_index, point.x(), point.y(), &page_x, &page_y);
+
+ FORM_OnMouseMove(form_, pages_[page_index]->GetPage(), 0, page_x, page_y);
+ int control = FPDPage_HasFormFieldAtPoint(
+ form_, pages_[page_index]->GetPage(), page_x, page_y);
+ switch (control) {
+ case FPDF_FORMFIELD_PUSHBUTTON:
+ case FPDF_FORMFIELD_CHECKBOX:
+ case FPDF_FORMFIELD_RADIOBUTTON:
+ case FPDF_FORMFIELD_COMBOBOX:
+ case FPDF_FORMFIELD_LISTBOX:
+ cursor = PP_CURSORTYPE_HAND;
+ break;
+ case FPDF_FORMFIELD_TEXTFIELD:
+ cursor = PP_CURSORTYPE_IBEAM;
+ break;
+ default:
+ break;
+ }
+ }
+
+ client_->UpdateCursor(cursor);
+ pp::Point point = event.GetPosition();
+ std::string url = GetLinkAtPosition(event.GetPosition());
+ if (url != link_under_cursor_) {
+ link_under_cursor_ = url;
+ pp::PDF::SetLinkUnderCursor(GetPluginInstance(), url.c_str());
+ }
+ // No need to swallow the event, since this might interfere with the
+ // scrollbars if the user is dragging them.
+ return false;
+ }
+
+ // We're selecting but right now we're not over text, so don't change the
+ // current selection.
+ if (area != PDFiumPage::TEXT_AREA && area != PDFiumPage::WEBLINK_AREA &&
+ area != PDFiumPage::DOCLINK_AREA) {
+ return false;
+ }
+
+ SelectionChangeInvalidator selection_invalidator(this);
+
+ // Check if the user has descreased their selection area and we need to remove
+ // pages from selection_.
+ for (size_t i = 0; i < selection_.size(); ++i) {
+ if (selection_[i].page_index() == page_index) {
+ // There should be no other pages after this.
+ selection_.erase(selection_.begin() + i + 1, selection_.end());
+ break;
+ }
+ }
+
+ if (selection_.size() == 0)
+ return false;
+
+ int last = selection_.size() - 1;
+ if (selection_[last].page_index() == page_index) {
+ // Selecting within a page.
+ int count;
+ if (char_index >= selection_[last].char_index()) {
+ // Selecting forward.
+ count = char_index - selection_[last].char_index() + 1;
+ } else {
+ count = char_index - selection_[last].char_index() - 1;
+ }
+ selection_[last].SetCharCount(count);
+ } else if (selection_[last].page_index() < page_index) {
+ // Selecting into the next page.
+
+ // First make sure that there are no gaps in selection, i.e. if mousedown on
+ // page one but we only get mousemove over page three, we want page two.
+ for (int i = selection_[last].page_index() + 1; i < page_index; ++i) {
+ selection_.push_back(PDFiumRange(pages_[i], 0,
+ pages_[i]->GetCharCount()));
+ }
+
+ int count = pages_[selection_[last].page_index()]->GetCharCount();
+ selection_[last].SetCharCount(count - selection_[last].char_index());
+ selection_.push_back(PDFiumRange(pages_[page_index], 0, char_index));
+ } else {
+ // Selecting into the previous page.
+ selection_[last].SetCharCount(-selection_[last].char_index());
+
+ // First make sure that there are no gaps in selection, i.e. if mousedown on
+ // page three but we only get mousemove over page one, we want page two.
+ for (int i = selection_[last].page_index() - 1; i > page_index; --i) {
+ selection_.push_back(PDFiumRange(pages_[i], 0,
+ pages_[i]->GetCharCount()));
+ }
+
+ int count = pages_[page_index]->GetCharCount();
+ selection_.push_back(
+ PDFiumRange(pages_[page_index], count, count - char_index));
+ }
+
+ return true;
+}
+
+bool PDFiumEngine::OnKeyDown(const pp::KeyboardInputEvent& event) {
+ if (last_page_mouse_down_ == -1)
+ return false;
+
+ bool rv = !!FORM_OnKeyDown(
+ form_, pages_[last_page_mouse_down_]->GetPage(),
+ event.GetKeyCode(), event.GetModifiers());
+
+ if (event.GetKeyCode() == ui::VKEY_BACK ||
+ event.GetKeyCode() == ui::VKEY_ESCAPE) {
+ // Chrome doesn't send char events for backspace or escape keys, see
+ // PlatformKeyboardEventBuilder::isCharacterKey() and
+ // http://chrome-corpsvn.mtv.corp.google.com/viewvc?view=rev&root=chrome&revision=31805
+ // for more information. So just fake one since PDFium uses it.
+ std::string str;
+ str.push_back(event.GetKeyCode());
+ pp::KeyboardInputEvent synthesized(pp::KeyboardInputEvent(
+ client_->GetPluginInstance(),
+ PP_INPUTEVENT_TYPE_CHAR,
+ event.GetTimeStamp(),
+ event.GetModifiers(),
+ event.GetKeyCode(),
+ str));
+ OnChar(synthesized);
+ }
+
+ return rv;
+}
+
+bool PDFiumEngine::OnKeyUp(const pp::KeyboardInputEvent& event) {
+ if (last_page_mouse_down_ == -1)
+ return false;
+
+ return !!FORM_OnKeyUp(
+ form_, pages_[last_page_mouse_down_]->GetPage(),
+ event.GetKeyCode(), event.GetModifiers());
+}
+
+bool PDFiumEngine::OnChar(const pp::KeyboardInputEvent& event) {
+ if (last_page_mouse_down_ == -1)
+ return false;
+
+ base::string16 str = base::UTF8ToUTF16(event.GetCharacterText().AsString());
+ return !!FORM_OnChar(
+ form_, pages_[last_page_mouse_down_]->GetPage(),
+ str[0],
+ event.GetModifiers());
+}
+
+void PDFiumEngine::StartFind(const char* text, bool case_sensitive) {
+ // We can get a call to StartFind before we have any page information (i.e.
+ // before the first call to LoadDocument has happened). Handle this case.
+ if (pages_.empty())
+ return;
+
+ bool first_search = false;
+ int character_to_start_searching_from = 0;
+ if (current_find_text_ != text) { // First time we search for this text.
+ first_search = true;
+ std::vector<PDFiumRange> old_selection = selection_;
+ StopFind();
+ current_find_text_ = text;
+
+ if (old_selection.empty()) {
+ // Start searching from the beginning of the document.
+ next_page_to_search_ = 0;
+ last_page_to_search_ = pages_.size() - 1;
+ last_character_index_to_search_ = -1;
+ } else {
+ // There's a current selection, so start from it.
+ next_page_to_search_ = old_selection[0].page_index();
+ last_character_index_to_search_ = old_selection[0].char_index();
+ character_to_start_searching_from = old_selection[0].char_index();
+ last_page_to_search_ = next_page_to_search_;
+ }
+ }
+
+ int current_page = next_page_to_search_;
+
+ if (pages_[current_page]->available()) {
+ base::string16 str = base::UTF8ToUTF16(text);
+ // Don't use PDFium to search for now, since it doesn't support unicode text.
+ // Leave the code for now to avoid bit-rot, in case it's fixed later.
+ if (0) {
+ SearchUsingPDFium(
+ str, case_sensitive, first_search, character_to_start_searching_from,
+ current_page);
+ } else {
+ SearchUsingICU(
+ str, case_sensitive, first_search, character_to_start_searching_from,
+ current_page);
+ }
+
+ if (!IsPageVisible(current_page))
+ pages_[current_page]->Unload();
+ }
+
+ if (next_page_to_search_ != last_page_to_search_ ||
+ (first_search && last_character_index_to_search_ != -1)) {
+ ++next_page_to_search_;
+ }
+
+ if (next_page_to_search_ == static_cast<int>(pages_.size()))
+ next_page_to_search_ = 0;
+ // If there's only one page in the document and we start searching midway,
+ // then we'll want to search the page one more time.
+ bool end_of_search =
+ next_page_to_search_ == last_page_to_search_ &&
+ // Only one page but didn't start midway.
+ ((pages_.size() == 1 && last_character_index_to_search_ == -1) ||
+ // Started midway, but only 1 page and we already looped around.
+ (pages_.size() == 1 && !first_search) ||
+ // Started midway, and we've just looped around.
+ (pages_.size() > 1 && current_page == next_page_to_search_));
+
+ if (end_of_search) {
+ // Send the final notification.
+ client_->NotifyNumberOfFindResultsChanged(find_results_.size(), true);
+
+ // When searching is complete, resume finding at a particular index.
+ if (resume_find_index_ != -1) {
+ current_find_index_ = resume_find_index_;
+ resume_find_index_ = -1;
+ }
+ } else {
+ pp::CompletionCallback callback =
+ find_factory_.NewCallback(&PDFiumEngine::ContinueFind);
+ pp::Module::Get()->core()->CallOnMainThread(
+ 0, callback, case_sensitive ? 1 : 0);
+ }
+}
+
+void PDFiumEngine::SearchUsingPDFium(const base::string16& term,
+ bool case_sensitive,
+ bool first_search,
+ int character_to_start_searching_from,
+ int current_page) {
+ // Find all the matches in the current page.
+ unsigned long flags = case_sensitive ? FPDF_MATCHCASE : 0;
+ FPDF_SCHHANDLE find = FPDFText_FindStart(
+ pages_[current_page]->GetTextPage(),
+ reinterpret_cast<const unsigned short*>(term.c_str()),
+ flags, character_to_start_searching_from);
+
+ // Note: since we search one page at a time, we don't find matches across
+ // page boundaries. We could do this manually ourself, but it seems low
+ // priority since Reader itself doesn't do it.
+ while (FPDFText_FindNext(find)) {
+ PDFiumRange result(pages_[current_page],
+ FPDFText_GetSchResultIndex(find),
+ FPDFText_GetSchCount(find));
+
+ if (!first_search &&
+ last_character_index_to_search_ != -1 &&
+ result.page_index() == last_page_to_search_ &&
+ result.char_index() >= last_character_index_to_search_) {
+ break;
+ }
+
+ AddFindResult(result);
+ }
+
+ FPDFText_FindClose(find);
+}
+
+void PDFiumEngine::SearchUsingICU(const base::string16& term,
+ bool case_sensitive,
+ bool first_search,
+ int character_to_start_searching_from,
+ int current_page) {
+ base::string16 page_text;
+ int text_length = pages_[current_page]->GetCharCount();
+ if (character_to_start_searching_from) {
+ text_length -= character_to_start_searching_from;
+ } else if (!first_search &&
+ last_character_index_to_search_ != -1 &&
+ current_page == last_page_to_search_) {
+ text_length = last_character_index_to_search_;
+ }
+ if (text_length <= 0)
+ return;
+ unsigned short* data =
+ reinterpret_cast<unsigned short*>(WriteInto(&page_text, text_length + 1));
+ FPDFText_GetText(pages_[current_page]->GetTextPage(),
+ character_to_start_searching_from,
+ text_length,
+ data);
+ std::vector<PDFEngine::Client::SearchStringResult> results;
+ client_->SearchString(
+ page_text.c_str(), term.c_str(), case_sensitive, &results);
+ for (size_t i = 0; i < results.size(); ++i) {
+ // Need to map the indexes from the page text, which may have generated
+ // characters like space etc, to character indices from the page.
+ int temp_start = results[i].start_index + character_to_start_searching_from;
+ int start = FPDFText_GetCharIndexFromTextIndex(
+ pages_[current_page]->GetTextPage(), temp_start);
+ int end = FPDFText_GetCharIndexFromTextIndex(
+ pages_[current_page]->GetTextPage(),
+ temp_start + results[i].length);
+ AddFindResult(PDFiumRange(pages_[current_page], start, end - start));
+ }
+}
+
+void PDFiumEngine::AddFindResult(const PDFiumRange& result) {
+ // Figure out where to insert the new location, since we could have
+ // started searching midway and now we wrapped.
+ size_t i;
+ int page_index = result.page_index();
+ int char_index = result.char_index();
+ for (i = 0; i < find_results_.size(); ++i) {
+ if (find_results_[i].page_index() > page_index ||
+ (find_results_[i].page_index() == page_index &&
+ find_results_[i].char_index() > char_index)) {
+ break;
+ }
+ }
+ find_results_.insert(find_results_.begin() + i, result);
+ UpdateTickMarks();
+
+ if (current_find_index_ == -1 && resume_find_index_ == -1) {
+ // Select the first match.
+ SelectFindResult(true);
+ } else if (static_cast<int>(i) <= current_find_index_) {
+ // Update the current match index
+ current_find_index_++;
+ client_->NotifySelectedFindResultChanged(current_find_index_);
+ }
+ client_->NotifyNumberOfFindResultsChanged(find_results_.size(), false);
+}
+
+bool PDFiumEngine::SelectFindResult(bool forward) {
+ if (find_results_.empty()) {
+ NOTREACHED();
+ return false;
+ }
+
+ SelectionChangeInvalidator selection_invalidator(this);
+
+ // Move back/forward through the search locations we previously found.
+ if (forward) {
+ if (++current_find_index_ == static_cast<int>(find_results_.size()))
+ current_find_index_ = 0;
+ } else {
+ if (--current_find_index_ < 0) {
+ current_find_index_ = find_results_.size() - 1;
+ }
+ }
+
+ // Update the selection before telling the client to scroll, since it could
+ // paint then.
+ selection_.clear();
+ selection_.push_back(find_results_[current_find_index_]);
+
+ // If the result is not in view, scroll to it.
+ size_t i;
+ pp::Rect bounding_rect;
+ pp::Rect visible_rect = GetVisibleRect();
+ // Use zoom of 1.0 since visible_rect is without zoom.
+ std::vector<pp::Rect> rects = find_results_[current_find_index_].
+ GetScreenRects(pp::Point(), 1.0, current_rotation_);
+ for (i = 0; i < rects.size(); ++i)
+ bounding_rect = bounding_rect.Union(rects[i]);
+ if (!visible_rect.Contains(bounding_rect)) {
+ pp::Point center = bounding_rect.CenterPoint();
+ // Make the page centered.
+ int new_y = static_cast<int>(center.y() * current_zoom_) -
+ static_cast<int>(visible_rect.height() * current_zoom_ / 2);
+ if (new_y < 0)
+ new_y = 0;
+ client_->ScrollToY(new_y);
+
+ // Only move horizontally if it's not visible.
+ if (center.x() < visible_rect.x() || center.x() > visible_rect.right()) {
+ int new_x = static_cast<int>(center.x() * current_zoom_) -
+ static_cast<int>(visible_rect.width() * current_zoom_ / 2);
+ if (new_x < 0)
+ new_x = 0;
+ client_->ScrollToX(new_x);
+ }
+ }
+
+ client_->NotifySelectedFindResultChanged(current_find_index_);
+
+ return true;
+}
+
+void PDFiumEngine::StopFind() {
+ SelectionChangeInvalidator selection_invalidator(this);
+
+ selection_.clear();
+ selecting_ = false;
+ find_results_.clear();
+ next_page_to_search_ = -1;
+ last_page_to_search_ = -1;
+ last_character_index_to_search_ = -1;
+ current_find_index_ = -1;
+ current_find_text_.clear();
+ UpdateTickMarks();
+ find_factory_.CancelAll();
+}
+
+void PDFiumEngine::UpdateTickMarks() {
+ std::vector<pp::Rect> tickmarks;
+ for (size_t i = 0; i < find_results_.size(); ++i) {
+ pp::Rect rect;
+ // Always use an origin of 0,0 since scroll positions don't affect tickmark.
+ std::vector<pp::Rect> rects = find_results_[i].GetScreenRects(
+ pp::Point(0, 0), current_zoom_, current_rotation_);
+ for (size_t j = 0; j < rects.size(); ++j)
+ rect = rect.Union(rects[j]);
+ tickmarks.push_back(rect);
+ }
+
+ client_->UpdateTickMarks(tickmarks);
+}
+
+void PDFiumEngine::ZoomUpdated(double new_zoom_level) {
+ CancelPaints();
+
+ current_zoom_ = new_zoom_level;
+
+ CalculateVisiblePages();
+ UpdateTickMarks();
+}
+
+void PDFiumEngine::RotateClockwise() {
+ current_rotation_ = (current_rotation_ + 1) % 4;
+
+ // Store the current find index so that we can resume finding at that
+ // particular index after we have recomputed the find results.
+ std::string current_find_text = current_find_text_;
+ resume_find_index_ = current_find_index_;
+
+ InvalidateAllPages();
+
+ if (!current_find_text.empty())
+ StartFind(current_find_text.c_str(), false);
+}
+
+void PDFiumEngine::RotateCounterclockwise() {
+ current_rotation_ = (current_rotation_ - 1) % 4;
+
+ // Store the current find index so that we can resume finding at that
+ // particular index after we have recomputed the find results.
+ std::string current_find_text = current_find_text_;
+ resume_find_index_ = current_find_index_;
+
+ InvalidateAllPages();
+
+ if (!current_find_text.empty())
+ StartFind(current_find_text.c_str(), false);
+}
+
+void PDFiumEngine::InvalidateAllPages() {
+ CancelPaints();
+ StopFind();
+ LoadPageInfo(true);
+ client_->Invalidate(pp::Rect(plugin_size_));
+}
+
+std::string PDFiumEngine::GetSelectedText() {
+ base::string16 result;
+ for (size_t i = 0; i < selection_.size(); ++i) {
+ if (i > 0 &&
+ selection_[i - 1].page_index() > selection_[i].page_index()) {
+ result = selection_[i].GetText() + result;
+ } else {
+ result.append(selection_[i].GetText());
+ }
+ }
+
+ FormatStringWithHyphens(&result);
+ FormatStringForOS(&result);
+ return base::UTF16ToUTF8(result);
+}
+
+std::string PDFiumEngine::GetLinkAtPosition(const pp::Point& point) {
+ int temp;
+ PDFiumPage::LinkTarget target;
+ pp::Point point_in_page(
+ static_cast<int>((point.x() + position_.x()) / current_zoom_),
+ static_cast<int>((point.y() + position_.y()) / current_zoom_));
+ PDFiumPage::Area area = GetCharIndex(point_in_page, &temp, &temp, &target);
+ if (area == PDFiumPage::WEBLINK_AREA)
+ return target.url;
+ return std::string();
+}
+
+bool PDFiumEngine::IsSelecting() {
+ return selecting_;
+}
+
+bool PDFiumEngine::HasPermission(DocumentPermission permission) const {
+ switch (permission) {
+ case PERMISSION_COPY:
+ return (permissions_ & kPDFPermissionCopyMask) != 0;
+ case PERMISSION_COPY_ACCESSIBLE:
+ return (permissions_ & kPDFPermissionCopyAccessibleMask) != 0;
+ case PERMISSION_PRINT_LOW_QUALITY:
+ return (permissions_ & kPDFPermissionPrintLowQualityMask) != 0;
+ case PERMISSION_PRINT_HIGH_QUALITY:
+ return (permissions_ & kPDFPermissionPrintLowQualityMask) != 0 &&
+ (permissions_ & kPDFPermissionPrintHighQualityMask) != 0;
+ default:
+ return true;
+ };
+}
+
+void PDFiumEngine::SelectAll() {
+ SelectionChangeInvalidator selection_invalidator(this);
+
+ selection_.clear();
+ for (size_t i = 0; i < pages_.size(); ++i)
+ if (pages_[i]->available()) {
+ selection_.push_back(PDFiumRange(pages_[i], 0,
+ pages_[i]->GetCharCount()));
+ }
+}
+
+int PDFiumEngine::GetNumberOfPages() {
+ return pages_.size();
+}
+
+int PDFiumEngine::GetNamedDestinationPage(const std::string& destination) {
+ // Look for the destination.
+ FPDF_DEST dest = FPDF_GetNamedDestByName(doc_, destination.c_str());
+ if (!dest) {
+ // Look for a bookmark with the same name.
+ base::string16 destination_wide = base::UTF8ToUTF16(destination);
+ FPDF_WIDESTRING destination_pdf_wide =
+ reinterpret_cast<FPDF_WIDESTRING>(destination_wide.c_str());
+ FPDF_BOOKMARK bookmark = FPDFBookmark_Find(doc_, destination_pdf_wide);
+ if (!bookmark)
+ return -1;
+ dest = FPDFBookmark_GetDest(doc_, bookmark);
+ }
+ return dest ? FPDFDest_GetPageIndex(doc_, dest) : -1;
+}
+
+int PDFiumEngine::GetFirstVisiblePage() {
+ CalculateVisiblePages();
+ return first_visible_page_;
+}
+
+int PDFiumEngine::GetMostVisiblePage() {
+ CalculateVisiblePages();
+ return most_visible_page_;
+}
+
+pp::Rect PDFiumEngine::GetPageRect(int index) {
+ pp::Rect rc(pages_[index]->rect());
+ rc.Inset(-kPageShadowLeft, -kPageShadowTop,
+ -kPageShadowRight, -kPageShadowBottom);
+ return rc;
+}
+
+pp::Rect PDFiumEngine::GetPageContentsRect(int index) {
+ return GetScreenRect(pages_[index]->rect());
+}
+
+void PDFiumEngine::PaintThumbnail(pp::ImageData* image_data, int index) {
+ FPDF_BITMAP bitmap = FPDFBitmap_CreateEx(
+ image_data->size().width(), image_data->size().height(),
+ FPDFBitmap_BGRx, image_data->data(), image_data->stride());
+
+ if (pages_[index]->available()) {
+ FPDFBitmap_FillRect(bitmap, 0, 0, image_data->size().width(),
+ image_data->size().height(), 0xFFFFFFFF);
+
+ FPDF_RenderPageBitmap(
+ bitmap, pages_[index]->GetPage(), 0, 0, image_data->size().width(),
+ image_data->size().height(), 0, GetRenderingFlags());
+ } else {
+ FPDFBitmap_FillRect(bitmap, 0, 0, image_data->size().width(),
+ image_data->size().height(), kPendingPageColor);
+ }
+
+ FPDFBitmap_Destroy(bitmap);
+}
+
+void PDFiumEngine::SetGrayscale(bool grayscale) {
+ render_grayscale_ = grayscale;
+}
+
+void PDFiumEngine::OnCallback(int id) {
+ if (!timers_.count(id))
+ return;
+
+ timers_[id].second(id);
+ if (timers_.count(id)) // The callback might delete the timer.
+ client_->ScheduleCallback(id, timers_[id].first);
+}
+
+std::string PDFiumEngine::GetPageAsJSON(int index) {
+ if (!(HasPermission(PERMISSION_COPY) ||
+ HasPermission(PERMISSION_COPY_ACCESSIBLE))) {
+ return "{}";
+ }
+
+ if (index < 0 || static_cast<size_t>(index) > pages_.size() - 1)
+ return "{}";
+
+ scoped_ptr<base::Value> node(
+ pages_[index]->GetAccessibleContentAsValue(current_rotation_));
+ std::string page_json;
+ base::JSONWriter::Write(node.get(), &page_json);
+ return page_json;
+}
+
+bool PDFiumEngine::GetPrintScaling() {
+ return !!FPDF_VIEWERREF_GetPrintScaling(doc_);
+}
+
+void PDFiumEngine::AppendBlankPages(int num_pages) {
+ DCHECK(num_pages != 0);
+
+ if (!doc_)
+ return;
+
+ selection_.clear();
+ pending_pages_.clear();
+
+ // Delete all pages except the first one.
+ while (pages_.size() > 1) {
+ delete pages_.back();
+ pages_.pop_back();
+ FPDFPage_Delete(doc_, pages_.size());
+ }
+
+ // Calculate document size and all page sizes.
+ std::vector<pp::Rect> page_rects;
+ pp::Size page_size = GetPageSize(0);
+ page_size.Enlarge(kPageShadowLeft + kPageShadowRight,
+ kPageShadowTop + kPageShadowBottom);
+ pp::Size old_document_size = document_size_;
+ document_size_ = pp::Size(page_size.width(), 0);
+ for (int i = 0; i < num_pages; ++i) {
+ if (i != 0) {
+ // Add space for horizontal separator.
+ document_size_.Enlarge(0, kPageSeparatorThickness);
+ }
+
+ pp::Rect rect(pp::Point(0, document_size_.height()), page_size);
+ page_rects.push_back(rect);
+
+ document_size_.Enlarge(0, page_size.height());
+ }
+
+ // Create blank pages.
+ for (int i = 1; i < num_pages; ++i) {
+ pp::Rect page_rect(page_rects[i]);
+ page_rect.Inset(kPageShadowLeft, kPageShadowTop,
+ kPageShadowRight, kPageShadowBottom);
+ double width_in_points =
+ page_rect.width() * kPointsPerInch / kPixelsPerInch;
+ double height_in_points =
+ page_rect.height() * kPointsPerInch / kPixelsPerInch;
+ FPDFPage_New(doc_, i, width_in_points, height_in_points);
+ pages_.push_back(new PDFiumPage(this, i, page_rect, true));
+ }
+
+ CalculateVisiblePages();
+ if (document_size_ != old_document_size)
+ client_->DocumentSizeUpdated(document_size_);
+}
+
+void PDFiumEngine::LoadDocument() {
+ // Check if the document is ready for loading. If it isn't just bail for now,
+ // we will call LoadDocument() again later.
+ if (!doc_ && !doc_loader_.IsDocumentComplete() &&
+ !FPDFAvail_IsDocAvail(fpdf_availability_, &download_hints_)) {
+ return;
+ }
+
+ // If we're in the middle of getting a password, just return. We will retry
+ // loading the document after we get the password anyway.
+ if (getting_password_)
+ return;
+
+ ScopedUnsupportedFeature scoped_unsupported_feature(this);
+ bool needs_password = false;
+ if (TryLoadingDoc(false, std::string(), &needs_password)) {
+ ContinueLoadingDocument(false, std::string());
+ return;
+ }
+ if (needs_password)
+ GetPasswordAndLoad();
+ else
+ client_->DocumentLoadFailed();
+}
+
+bool PDFiumEngine::TryLoadingDoc(bool with_password,
+ const std::string& password,
+ bool* needs_password) {
+ *needs_password = false;
+ if (doc_)
+ return true;
+
+ const char* password_cstr = NULL;
+ if (with_password) {
+ password_cstr = password.c_str();
+ password_tries_remaining_--;
+ }
+ if (doc_loader_.IsDocumentComplete())
+ doc_ = FPDF_LoadCustomDocument(&file_access_, password_cstr);
+ else
+ doc_ = FPDFAvail_GetDocument(fpdf_availability_, password_cstr);
+
+ if (!doc_ && FPDF_GetLastError() == FPDF_ERR_PASSWORD)
+ *needs_password = true;
+
+ return doc_ != NULL;
+}
+
+void PDFiumEngine::GetPasswordAndLoad() {
+ getting_password_ = true;
+ DCHECK(!doc_ && FPDF_GetLastError() == FPDF_ERR_PASSWORD);
+ client_->GetDocumentPassword(password_factory_.NewCallbackWithOutput(
+ &PDFiumEngine::OnGetPasswordComplete));
+}
+
+void PDFiumEngine::OnGetPasswordComplete(int32_t result,
+ const pp::Var& password) {
+ getting_password_ = false;
+
+ bool password_given = false;
+ std::string password_text;
+ if (result == PP_OK && password.is_string()) {
+ password_text = password.AsString();
+ if (!password_text.empty())
+ password_given = true;
+ }
+ ContinueLoadingDocument(password_given, password_text);
+}
+
+void PDFiumEngine::ContinueLoadingDocument(
+ bool has_password,
+ const std::string& password) {
+ ScopedUnsupportedFeature scoped_unsupported_feature(this);
+
+ bool needs_password = false;
+ bool loaded = TryLoadingDoc(has_password, password, &needs_password);
+ bool password_incorrect = !loaded && has_password && needs_password;
+ if (password_incorrect && password_tries_remaining_ > 0) {
+ GetPasswordAndLoad();
+ return;
+ }
+
+ if (!doc_) {
+ client_->DocumentLoadFailed();
+ return;
+ }
+
+ if (FPDFDoc_GetPageMode(doc_) == PAGEMODE_USEOUTLINES)
+ client_->DocumentHasUnsupportedFeature("Bookmarks");
+
+ permissions_ = FPDF_GetDocPermissions(doc_);
+
+ if (!form_) {
+ // Only returns 0 when data isn't available. If form data is downloaded, or
+ // if this isn't a form, returns positive values.
+ if (!doc_loader_.IsDocumentComplete() &&
+ !FPDFAvail_IsFormAvail(fpdf_availability_, &download_hints_)) {
+ return;
+ }
+
+ form_ = FPDFDOC_InitFormFillEnviroument(
+ doc_, static_cast<FPDF_FORMFILLINFO*>(this));
+#ifdef _TEST_XFA
+ FPDF_LoadXFA(doc_);
+#endif
+
+ FPDF_SetFormFieldHighlightColor(form_, 0, kFormHighlightColor);
+ FPDF_SetFormFieldHighlightAlpha(form_, kFormHighlightAlpha);
+ }
+
+ if (!doc_loader_.IsDocumentComplete()) {
+ // Check if the first page is available. In a linearized PDF, that is not
+ // always page 0. Doing this gives us the default page size, since when the
+ // document is available, the first page is available as well.
+ CheckPageAvailable(FPDFAvail_GetFirstPageNum(doc_), &pending_pages_);
+ }
+
+ LoadPageInfo(false);
+
+ if (doc_loader_.IsDocumentComplete())
+ FinishLoadingDocument();
+}
+
+void PDFiumEngine::LoadPageInfo(bool reload) {
+ pending_pages_.clear();
+ pp::Size old_document_size = document_size_;
+ document_size_ = pp::Size();
+ std::vector<pp::Rect> page_rects;
+ int page_count = FPDF_GetPageCount(doc_);
+ bool doc_complete = doc_loader_.IsDocumentComplete();
+ for (int i = 0; i < page_count; ++i) {
+ if (i != 0) {
+ // Add space for horizontal separator.
+ document_size_.Enlarge(0, kPageSeparatorThickness);
+ }
+
+ // Get page availability. If reload==false, and document is not loaded yet
+ // (we are using async loading) - mark all pages as unavailable.
+ // If reload==true (we have document constructed already), get page
+ // availability flag from already existing PDFiumPage class.
+ bool page_available = reload ? pages_[i]->available() : doc_complete;
+
+ pp::Size size = page_available ? GetPageSize(i) : default_page_size_;
+ size.Enlarge(kPageShadowLeft + kPageShadowRight,
+ kPageShadowTop + kPageShadowBottom);
+ pp::Rect rect(pp::Point(0, document_size_.height()), size);
+ page_rects.push_back(rect);
+
+ if (size.width() > document_size_.width())
+ document_size_.set_width(size.width());
+
+ document_size_.Enlarge(0, size.height());
+ }
+
+ for (int i = 0; i < page_count; ++i) {
+ // Center pages relative to the entire document.
+ page_rects[i].set_x((document_size_.width() - page_rects[i].width()) / 2);
+ pp::Rect page_rect(page_rects[i]);
+ page_rect.Inset(kPageShadowLeft, kPageShadowTop,
+ kPageShadowRight, kPageShadowBottom);
+ if (reload) {
+ pages_[i]->set_rect(page_rect);
+ } else {
+ pages_.push_back(new PDFiumPage(this, i, page_rect, doc_complete));
+ }
+ }
+
+ CalculateVisiblePages();
+ if (document_size_ != old_document_size)
+ client_->DocumentSizeUpdated(document_size_);
+}
+
+void PDFiumEngine::CalculateVisiblePages() {
+ // Clear pending requests queue, since it may contain requests to the pages
+ // that are already invisible (after scrolling for example).
+ pending_pages_.clear();
+ doc_loader_.ClearPendingRequests();
+
+ visible_pages_.clear();
+ pp::Rect visible_rect(plugin_size_);
+ for (size_t i = 0; i < pages_.size(); ++i) {
+ // Check an entire PageScreenRect, since we might need to repaint side
+ // borders and shadows even if the page itself is not visible.
+ // For example, when user use pdf with different page sizes and zoomed in
+ // outside page area.
+ if (visible_rect.Intersects(GetPageScreenRect(i))) {
+ visible_pages_.push_back(i);
+ CheckPageAvailable(i, &pending_pages_);
+ } else {
+ // Need to unload pages when we're not using them, since some PDFs use a
+ // lot of memory. See http://crbug.com/48791
+ if (defer_page_unload_) {
+ deferred_page_unloads_.push_back(i);
+ } else {
+ pages_[i]->Unload();
+ }
+
+ // If the last mouse down was on a page that's no longer visible, reset
+ // that variable so that we don't send keyboard events to it (the focus
+ // will be lost when the page is first closed anyways).
+ if (static_cast<int>(i) == last_page_mouse_down_)
+ last_page_mouse_down_ = -1;
+ }
+ }
+
+ // Any pending highlighting of form fields will be invalid since these are in
+ // screen coordinates.
+ form_highlights_.clear();
+
+ if (visible_pages_.size() == 0)
+ first_visible_page_ = -1;
+ else
+ first_visible_page_ = visible_pages_.front();
+
+ int most_visible_page = first_visible_page_;
+ // Check if the next page is more visible than the first one.
+ if (most_visible_page != -1 &&
+ pages_.size() > 0 &&
+ most_visible_page < static_cast<int>(pages_.size()) - 1) {
+ pp::Rect rc_first =
+ visible_rect.Intersect(GetPageScreenRect(most_visible_page));
+ pp::Rect rc_next =
+ visible_rect.Intersect(GetPageScreenRect(most_visible_page + 1));
+ if (rc_next.height() > rc_first.height())
+ most_visible_page++;
+ }
+
+ SetCurrentPage(most_visible_page);
+}
+
+bool PDFiumEngine::IsPageVisible(int index) const {
+ for (size_t i = 0; i < visible_pages_.size(); ++i) {
+ if (visible_pages_[i] == index)
+ return true;
+ }
+
+ return false;
+}
+
+bool PDFiumEngine::CheckPageAvailable(int index, std::vector<int>* pending) {
+ if (!doc_ || !form_)
+ return false;
+
+ if (static_cast<int>(pages_.size()) > index && pages_[index]->available())
+ return true;
+
+ if (!FPDFAvail_IsPageAvail(fpdf_availability_, index, &download_hints_)) {
+ size_t j;
+ for (j = 0; j < pending->size(); ++j) {
+ if ((*pending)[j] == index)
+ break;
+ }
+
+ if (j == pending->size())
+ pending->push_back(index);
+ return false;
+ }
+
+ if (static_cast<int>(pages_.size()) > index)
+ pages_[index]->set_available(true);
+ if (!default_page_size_.GetArea())
+ default_page_size_ = GetPageSize(index);
+ return true;
+}
+
+pp::Size PDFiumEngine::GetPageSize(int index) {
+ pp::Size size;
+ double width_in_points = 0;
+ double height_in_points = 0;
+ int rv = FPDF_GetPageSizeByIndex(
+ doc_, index, &width_in_points, &height_in_points);
+
+ if (rv) {
+ int width_in_pixels = static_cast<int>(
+ width_in_points * kPixelsPerInch / kPointsPerInch);
+ int height_in_pixels = static_cast<int>(
+ height_in_points * kPixelsPerInch / kPointsPerInch);
+ if (current_rotation_ % 2 == 1)
+ std::swap(width_in_pixels, height_in_pixels);
+ size = pp::Size(width_in_pixels, height_in_pixels);
+ }
+ return size;
+}
+
+int PDFiumEngine::StartPaint(int page_index, const pp::Rect& dirty) {
+ // For the first time we hit paint, do nothing and just record the paint for
+ // the next callback. This keeps the UI responsive in case the user is doing
+ // a lot of scrolling.
+ ProgressivePaint progressive;
+ progressive.rect = dirty;
+ progressive.page_index = page_index;
+ progressive.bitmap = NULL;
+ progressive.painted_ = false;
+ progressive_paints_.push_back(progressive);
+ return progressive_paints_.size() - 1;
+}
+
+bool PDFiumEngine::ContinuePaint(int progressive_index,
+ pp::ImageData* image_data) {
+#if defined(OS_LINUX)
+ g_last_instance_id = client_->GetPluginInstance()->pp_instance();
+#endif
+
+ int rv;
+ int page_index = progressive_paints_[progressive_index].page_index;
+ last_progressive_start_time_ = base::Time::Now();
+ if (progressive_paints_[progressive_index].bitmap) {
+ rv = FPDF_RenderPage_Continue(
+ pages_[page_index]->GetPage(), static_cast<IFSDK_PAUSE*>(this));
+ } else {
+ pp::Rect dirty = progressive_paints_[progressive_index].rect;
+ progressive_paints_[progressive_index].bitmap = CreateBitmap(dirty,
+ image_data);
+ int start_x, start_y, size_x, size_y;
+ GetPDFiumRect(
+ page_index, dirty, &start_x, &start_y, &size_x, &size_y);
+ FPDFBitmap_FillRect(progressive_paints_[progressive_index].bitmap, start_x,
+ start_y, size_x, size_y, 0xFFFFFFFF);
+ rv = FPDF_RenderPageBitmap_Start(
+ progressive_paints_[progressive_index].bitmap,
+ pages_[page_index]->GetPage(), start_x, start_y, size_x, size_y,
+ current_rotation_,
+ GetRenderingFlags(), static_cast<IFSDK_PAUSE*>(this));
+ }
+ return rv != FPDF_RENDER_TOBECOUNTINUED;
+}
+
+void PDFiumEngine::FinishPaint(int progressive_index,
+ pp::ImageData* image_data) {
+ int page_index = progressive_paints_[progressive_index].page_index;
+ pp::Rect dirty_in_screen = progressive_paints_[progressive_index].rect;
+ FPDF_BITMAP bitmap = progressive_paints_[progressive_index].bitmap;
+ int start_x, start_y, size_x, size_y;
+ GetPDFiumRect(
+ page_index, dirty_in_screen, &start_x, &start_y, &size_x, &size_y);
+
+ // Draw the forms.
+ FPDF_FFLDraw(
+ form_, bitmap, pages_[page_index]->GetPage(), start_x, start_y, size_x,
+ size_y, current_rotation_, GetRenderingFlags());
+
+ FillPageSides(progressive_index);
+
+ // Paint the page shadows.
+ PaintPageShadow(progressive_index, image_data);
+
+ DrawSelections(progressive_index, image_data);
+
+ FPDF_RenderPage_Close(pages_[page_index]->GetPage());
+ FPDFBitmap_Destroy(bitmap);
+ progressive_paints_.erase(progressive_paints_.begin() + progressive_index);
+
+ client_->DocumentPaintOccurred();
+}
+
+void PDFiumEngine::CancelPaints() {
+ for (size_t i = 0; i < progressive_paints_.size(); ++i) {
+ FPDF_RenderPage_Close(pages_[progressive_paints_[i].page_index]->GetPage());
+ FPDFBitmap_Destroy(progressive_paints_[i].bitmap);
+ }
+ progressive_paints_.clear();
+}
+
+void PDFiumEngine::FillPageSides(int progressive_index) {
+ int page_index = progressive_paints_[progressive_index].page_index;
+ pp::Rect dirty_in_screen = progressive_paints_[progressive_index].rect;
+ FPDF_BITMAP bitmap = progressive_paints_[progressive_index].bitmap;
+
+ pp::Rect page_rect = pages_[page_index]->rect();
+ if (page_rect.x() > 0) {
+ pp::Rect left(0,
+ page_rect.y() - kPageShadowTop,
+ page_rect.x() - kPageShadowLeft,
+ page_rect.height() + kPageShadowTop +
+ kPageShadowBottom + kPageSeparatorThickness);
+ left = GetScreenRect(left).Intersect(dirty_in_screen);
+
+ FPDFBitmap_FillRect(bitmap, left.x() - dirty_in_screen.x(),
+ left.y() - dirty_in_screen.y(), left.width(),
+ left.height(), kBackgroundColor);
+ }
+
+ if (page_rect.right() < document_size_.width()) {
+ pp::Rect right(page_rect.right() + kPageShadowRight,
+ page_rect.y() - kPageShadowTop,
+ document_size_.width() - page_rect.right() -
+ kPageShadowRight,
+ page_rect.height() + kPageShadowTop +
+ kPageShadowBottom + kPageSeparatorThickness);
+ right = GetScreenRect(right).Intersect(dirty_in_screen);
+
+ FPDFBitmap_FillRect(bitmap, right.x() - dirty_in_screen.x(),
+ right.y() - dirty_in_screen.y(), right.width(),
+ right.height(), kBackgroundColor);
+ }
+
+ // Paint separator.
+ pp::Rect bottom(page_rect.x() - kPageShadowLeft,
+ page_rect.bottom() + kPageShadowBottom,
+ page_rect.width() + kPageShadowLeft + kPageShadowRight,
+ kPageSeparatorThickness);
+ bottom = GetScreenRect(bottom).Intersect(dirty_in_screen);
+
+ FPDFBitmap_FillRect(bitmap, bottom.x() - dirty_in_screen.x(),
+ bottom.y() - dirty_in_screen.y(), bottom.width(),
+ bottom.height(), kBackgroundColor);
+}
+
+void PDFiumEngine::PaintPageShadow(int progressive_index,
+ pp::ImageData* image_data) {
+ int page_index = progressive_paints_[progressive_index].page_index;
+ pp::Rect dirty_in_screen = progressive_paints_[progressive_index].rect;
+ pp::Rect page_rect = pages_[page_index]->rect();
+ pp::Rect shadow_rect(page_rect);
+ shadow_rect.Inset(-kPageShadowLeft, -kPageShadowTop,
+ -kPageShadowRight, -kPageShadowBottom);
+
+ // Due to the rounding errors of the GetScreenRect it is possible to get
+ // different size shadows on the left and right sides even they are defined
+ // the same. To fix this issue let's calculate shadow rect and then shrink
+ // it by the size of the shadows.
+ shadow_rect = GetScreenRect(shadow_rect);
+ page_rect = shadow_rect;
+
+ page_rect.Inset(static_cast<int>(ceil(kPageShadowLeft * current_zoom_)),
+ static_cast<int>(ceil(kPageShadowTop * current_zoom_)),
+ static_cast<int>(ceil(kPageShadowRight * current_zoom_)),
+ static_cast<int>(ceil(kPageShadowBottom * current_zoom_)));
+
+ DrawPageShadow(page_rect, shadow_rect, dirty_in_screen, image_data);
+}
+
+void PDFiumEngine::DrawSelections(int progressive_index,
+ pp::ImageData* image_data) {
+ int page_index = progressive_paints_[progressive_index].page_index;
+ pp::Rect dirty_in_screen = progressive_paints_[progressive_index].rect;
+
+ void* region = NULL;
+ int stride;
+ GetRegion(dirty_in_screen.point(), image_data, &region, &stride);
+
+ std::vector<pp::Rect> highlighted_rects;
+ pp::Rect visible_rect = GetVisibleRect();
+ for (size_t k = 0; k < selection_.size(); ++k) {
+ if (selection_[k].page_index() != page_index)
+ continue;
+ std::vector<pp::Rect> rects = selection_[k].GetScreenRects(
+ visible_rect.point(), current_zoom_, current_rotation_);
+ for (size_t j = 0; j < rects.size(); ++j) {
+ pp::Rect visible_selection = rects[j].Intersect(dirty_in_screen);
+ if (visible_selection.IsEmpty())
+ continue;
+
+ visible_selection.Offset(
+ -dirty_in_screen.point().x(), -dirty_in_screen.point().y());
+ Highlight(region, stride, visible_selection, &highlighted_rects);
+ }
+ }
+
+ for (size_t k = 0; k < form_highlights_.size(); ++k) {
+ pp::Rect visible_selection = form_highlights_[k].Intersect(dirty_in_screen);
+ if (visible_selection.IsEmpty())
+ continue;
+
+ visible_selection.Offset(
+ -dirty_in_screen.point().x(), -dirty_in_screen.point().y());
+ Highlight(region, stride, visible_selection, &highlighted_rects);
+ }
+ form_highlights_.clear();
+}
+
+void PDFiumEngine::PaintUnavailablePage(int page_index,
+ const pp::Rect& dirty,
+ pp::ImageData* image_data) {
+ int start_x, start_y, size_x, size_y;
+ GetPDFiumRect(page_index, dirty, &start_x, &start_y, &size_x, &size_y);
+ FPDF_BITMAP bitmap = CreateBitmap(dirty, image_data);
+ FPDFBitmap_FillRect(bitmap, start_x, start_y, size_x, size_y,
+ kPendingPageColor);
+
+ pp::Rect loading_text_in_screen(
+ pages_[page_index]->rect().width() / 2,
+ pages_[page_index]->rect().y() + kLoadingTextVerticalOffset, 0, 0);
+ loading_text_in_screen = GetScreenRect(loading_text_in_screen);
+ FPDFBitmap_Destroy(bitmap);
+}
+
+int PDFiumEngine::GetProgressiveIndex(int page_index) const {
+ for (size_t i = 0; i < progressive_paints_.size(); ++i) {
+ if (progressive_paints_[i].page_index == page_index)
+ return i;
+ }
+ return -1;
+}
+
+FPDF_BITMAP PDFiumEngine::CreateBitmap(const pp::Rect& rect,
+ pp::ImageData* image_data) const {
+ void* region;
+ int stride;
+ GetRegion(rect.point(), image_data, &region, &stride);
+ if (!region)
+ return NULL;
+ return FPDFBitmap_CreateEx(
+ rect.width(), rect.height(), FPDFBitmap_BGRx, region, stride);
+}
+
+void PDFiumEngine::GetPDFiumRect(
+ int page_index, const pp::Rect& rect, int* start_x, int* start_y,
+ int* size_x, int* size_y) const {
+ pp::Rect page_rect = GetScreenRect(pages_[page_index]->rect());
+ page_rect.Offset(-rect.x(), -rect.y());
+
+ *start_x = page_rect.x();
+ *start_y = page_rect.y();
+ *size_x = page_rect.width();
+ *size_y = page_rect.height();
+}
+
+int PDFiumEngine::GetRenderingFlags() const {
+ int flags = FPDF_LCD_TEXT | FPDF_NO_CATCH;
+ if (render_grayscale_)
+ flags |= FPDF_GRAYSCALE;
+ if (client_->IsPrintPreview())
+ flags |= FPDF_PRINTING;
+ return flags;
+}
+
+pp::Rect PDFiumEngine::GetVisibleRect() const {
+ pp::Rect rv;
+ rv.set_x(static_cast<int>(position_.x() / current_zoom_));
+ rv.set_y(static_cast<int>(position_.y() / current_zoom_));
+ rv.set_width(static_cast<int>(ceil(plugin_size_.width() / current_zoom_)));
+ rv.set_height(static_cast<int>(ceil(plugin_size_.height() / current_zoom_)));
+ return rv;
+}
+
+pp::Rect PDFiumEngine::GetPageScreenRect(int page_index) const {
+ // Since we use this rect for creating the PDFium bitmap, also include other
+ // areas around the page that we might need to update such as the page
+ // separator and the sides if the page is narrower than the document.
+ return GetScreenRect(pp::Rect(
+ 0,
+ pages_[page_index]->rect().y() - kPageShadowTop,
+ document_size_.width(),
+ pages_[page_index]->rect().height() + kPageShadowTop +
+ kPageShadowBottom + kPageSeparatorThickness));
+}
+
+pp::Rect PDFiumEngine::GetScreenRect(const pp::Rect& rect) const {
+ pp::Rect rv;
+ int right =
+ static_cast<int>(ceil(rect.right() * current_zoom_ - position_.x()));
+ int bottom =
+ static_cast<int>(ceil(rect.bottom() * current_zoom_ - position_.y()));
+
+ rv.set_x(static_cast<int>(rect.x() * current_zoom_ - position_.x()));
+ rv.set_y(static_cast<int>(rect.y() * current_zoom_ - position_.y()));
+ rv.set_width(right - rv.x());
+ rv.set_height(bottom - rv.y());
+ return rv;
+}
+
+void PDFiumEngine::Highlight(void* buffer,
+ int stride,
+ const pp::Rect& rect,
+ std::vector<pp::Rect>* highlighted_rects) {
+ if (!buffer)
+ return;
+
+ pp::Rect new_rect = rect;
+ for (size_t i = 0; i < highlighted_rects->size(); ++i)
+ new_rect = new_rect.Subtract((*highlighted_rects)[i]);
+
+ highlighted_rects->push_back(new_rect);
+ int l = new_rect.x();
+ int t = new_rect.y();
+ int w = new_rect.width();
+ int h = new_rect.height();
+
+ for (int y = t; y < t + h; ++y) {
+ for (int x = l; x < l + w; ++x) {
+ uint8* pixel = static_cast<uint8*>(buffer) + y * stride + x * 4;
+ // This is our highlight color.
+ pixel[0] = static_cast<uint8>(
+ pixel[0] * (kHighlightColorB / 255.0));
+ pixel[1] = static_cast<uint8>(
+ pixel[1] * (kHighlightColorG / 255.0));
+ pixel[2] = static_cast<uint8>(
+ pixel[2] * (kHighlightColorR / 255.0));
+ }
+ }
+}
+
+PDFiumEngine::SelectionChangeInvalidator::SelectionChangeInvalidator(
+ PDFiumEngine* engine) : engine_(engine) {
+ previous_origin_ = engine_->GetVisibleRect().point();
+ GetVisibleSelectionsScreenRects(&old_selections_);
+}
+
+PDFiumEngine::SelectionChangeInvalidator::~SelectionChangeInvalidator() {
+ // Offset the old selections if the document scrolled since we recorded them.
+ pp::Point offset = previous_origin_ - engine_->GetVisibleRect().point();
+ for (size_t i = 0; i < old_selections_.size(); ++i)
+ old_selections_[i].Offset(offset);
+
+ std::vector<pp::Rect> new_selections;
+ GetVisibleSelectionsScreenRects(&new_selections);
+ for (size_t i = 0; i < new_selections.size(); ++i) {
+ for (size_t j = 0; j < old_selections_.size(); ++j) {
+ if (!old_selections_[j].IsEmpty() &&
+ new_selections[i] == old_selections_[j]) {
+ // Rectangle was selected before and after, so no need to invalidate it.
+ // Mark the rectangles by setting them to empty.
+ new_selections[i] = old_selections_[j] = pp::Rect();
+ break;
+ }
+ }
+ }
+
+ for (size_t i = 0; i < old_selections_.size(); ++i) {
+ if (!old_selections_[i].IsEmpty())
+ engine_->client_->Invalidate(old_selections_[i]);
+ }
+ for (size_t i = 0; i < new_selections.size(); ++i) {
+ if (!new_selections[i].IsEmpty())
+ engine_->client_->Invalidate(new_selections[i]);
+ }
+ engine_->OnSelectionChanged();
+}
+
+void
+PDFiumEngine::SelectionChangeInvalidator::GetVisibleSelectionsScreenRects(
+ std::vector<pp::Rect>* rects) {
+ pp::Rect visible_rect = engine_->GetVisibleRect();
+ for (size_t i = 0; i < engine_->selection_.size(); ++i) {
+ int page_index = engine_->selection_[i].page_index();
+ if (!engine_->IsPageVisible(page_index))
+ continue; // This selection is on a page that's not currently visible.
+
+ std::vector<pp::Rect> selection_rects =
+ engine_->selection_[i].GetScreenRects(
+ visible_rect.point(),
+ engine_->current_zoom_,
+ engine_->current_rotation_);
+ rects->insert(rects->end(), selection_rects.begin(), selection_rects.end());
+ }
+}
+
+PDFiumEngine::MouseDownState::MouseDownState(
+ const PDFiumPage::Area& area,
+ const PDFiumPage::LinkTarget& target)
+ : area_(area), target_(target) {
+}
+
+PDFiumEngine::MouseDownState::~MouseDownState() {
+}
+
+void PDFiumEngine::MouseDownState::Set(const PDFiumPage::Area& area,
+ const PDFiumPage::LinkTarget& target) {
+ area_ = area;
+ target_ = target;
+}
+
+void PDFiumEngine::MouseDownState::Reset() {
+ area_ = PDFiumPage::NONSELECTABLE_AREA;
+ target_ = PDFiumPage::LinkTarget();
+}
+
+bool PDFiumEngine::MouseDownState::Matches(
+ const PDFiumPage::Area& area,
+ const PDFiumPage::LinkTarget& target) const {
+ if (area_ == area) {
+ if (area == PDFiumPage::WEBLINK_AREA)
+ return target_.url == target.url;
+ if (area == PDFiumPage::DOCLINK_AREA)
+ return target_.page == target.page;
+ return true;
+ }
+ return false;
+}
+
+void PDFiumEngine::DeviceToPage(int page_index,
+ float device_x,
+ float device_y,
+ double* page_x,
+ double* page_y) {
+ *page_x = *page_y = 0;
+ int temp_x = static_cast<int>((device_x + position_.x())/ current_zoom_ -
+ pages_[page_index]->rect().x());
+ int temp_y = static_cast<int>((device_y + position_.y())/ current_zoom_ -
+ pages_[page_index]->rect().y());
+ FPDF_DeviceToPage(
+ pages_[page_index]->GetPage(), 0, 0,
+ pages_[page_index]->rect().width(), pages_[page_index]->rect().height(),
+ current_rotation_, temp_x, temp_y, page_x, page_y);
+}
+
+int PDFiumEngine::GetVisiblePageIndex(FPDF_PAGE page) {
+ for (size_t i = 0; i < visible_pages_.size(); ++i) {
+ if (pages_[visible_pages_[i]]->GetPage() == page)
+ return visible_pages_[i];
+ }
+ return -1;
+}
+
+void PDFiumEngine::SetCurrentPage(int index) {
+ if (index == most_visible_page_ || !form_)
+ return;
+ if (most_visible_page_ != -1 && called_do_document_action_) {
+ FPDF_PAGE old_page = pages_[most_visible_page_]->GetPage();
+ FORM_DoPageAAction(old_page, form_, FPDFPAGE_AACTION_CLOSE);
+ }
+ most_visible_page_ = index;
+#if defined(OS_LINUX)
+ g_last_instance_id = client_->GetPluginInstance()->pp_instance();
+#endif
+ if (most_visible_page_ != -1 && called_do_document_action_) {
+ FPDF_PAGE new_page = pages_[most_visible_page_]->GetPage();
+ FORM_DoPageAAction(new_page, form_, FPDFPAGE_AACTION_OPEN);
+ }
+}
+
+void PDFiumEngine::TransformPDFPageForPrinting(
+ FPDF_PAGE page,
+ const PP_PrintSettings_Dev& print_settings) {
+ // Get the source page width and height in points.
+ const double src_page_width = FPDF_GetPageWidth(page);
+ const double src_page_height = FPDF_GetPageHeight(page);
+
+ const int src_page_rotation = FPDFPage_GetRotation(page);
+ const bool fit_to_page = print_settings.print_scaling_option ==
+ PP_PRINTSCALINGOPTION_FIT_TO_PRINTABLE_AREA;
+
+ pp::Size page_size(print_settings.paper_size);
+ pp::Rect content_rect(print_settings.printable_area);
+ const bool rotated = (src_page_rotation % 2 == 1);
+ SetPageSizeAndContentRect(rotated,
+ src_page_width > src_page_height,
+ &page_size,
+ &content_rect);
+
+ // Compute the screen page width and height in points.
+ const int actual_page_width =
+ rotated ? page_size.height() : page_size.width();
+ const int actual_page_height =
+ rotated ? page_size.width() : page_size.height();
+
+ const double scale_factor = CalculateScaleFactor(fit_to_page, content_rect,
+ src_page_width,
+ src_page_height, rotated);
+
+ // Calculate positions for the clip box.
+ ClipBox source_clip_box;
+ CalculateClipBoxBoundary(page, scale_factor, rotated, &source_clip_box);
+
+ // Calculate the translation offset values.
+ double offset_x = 0;
+ double offset_y = 0;
+ if (fit_to_page) {
+ CalculateScaledClipBoxOffset(content_rect, source_clip_box, &offset_x,
+ &offset_y);
+ } else {
+ CalculateNonScaledClipBoxOffset(content_rect, src_page_rotation,
+ actual_page_width, actual_page_height,
+ source_clip_box, &offset_x, &offset_y);
+ }
+
+ // Reset the media box and crop box. When the page has crop box and media box,
+ // the plugin will display the crop box contents and not the entire media box.
+ // If the pages have different crop box values, the plugin will display a
+ // document of multiple page sizes. To give better user experience, we
+ // decided to have same crop box and media box values. Hence, the user will
+ // see a list of uniform pages.
+ FPDFPage_SetMediaBox(page, 0, 0, page_size.width(), page_size.height());
+ FPDFPage_SetCropBox(page, 0, 0, page_size.width(), page_size.height());
+
+ // Transformation is not required, return. Do this check only after updating
+ // the media box and crop box. For more detailed information, please refer to
+ // the comment block right before FPDF_SetMediaBox and FPDF_GetMediaBox calls.
+ if (scale_factor == 1.0 && offset_x == 0 && offset_y == 0)
+ return;
+
+
+ // All the positions have been calculated, now manipulate the PDF.
+ FS_MATRIX matrix = {static_cast<float>(scale_factor),
+ 0,
+ 0,
+ static_cast<float>(scale_factor),
+ static_cast<float>(offset_x),
+ static_cast<float>(offset_y)};
+ FS_RECTF cliprect = {static_cast<float>(source_clip_box.left+offset_x),
+ static_cast<float>(source_clip_box.top+offset_y),
+ static_cast<float>(source_clip_box.right+offset_x),
+ static_cast<float>(source_clip_box.bottom+offset_y)};
+ FPDFPage_TransFormWithClip(page, &matrix, &cliprect);
+ FPDFPage_TransformAnnots(page, scale_factor, 0, 0, scale_factor,
+ offset_x, offset_y);
+}
+
+void PDFiumEngine::DrawPageShadow(const pp::Rect& page_rc,
+ const pp::Rect& shadow_rc,
+ const pp::Rect& clip_rc,
+ pp::ImageData* image_data) {
+ pp::Rect page_rect(page_rc);
+ page_rect.Offset(page_offset_);
+
+ pp::Rect shadow_rect(shadow_rc);
+ shadow_rect.Offset(page_offset_);
+
+ pp::Rect clip_rect(clip_rc);
+ clip_rect.Offset(page_offset_);
+
+ // Page drop shadow parameters.
+ const double factor = 0.5;
+ uint32 depth = std::max(
+ std::max(page_rect.x() - shadow_rect.x(),
+ page_rect.y() - shadow_rect.y()),
+ std::max(shadow_rect.right() - page_rect.right(),
+ shadow_rect.bottom() - page_rect.bottom()));
+ depth = static_cast<uint32>(depth * 1.5) + 1;
+
+ // We need to check depth only to verify our copy of shadow matrix is correct.
+ if (!page_shadow_.get() || page_shadow_->depth() != depth)
+ page_shadow_.reset(new ShadowMatrix(depth, factor, kBackgroundColor));
+
+ DCHECK(!image_data->is_null());
+ DrawShadow(image_data, shadow_rect, page_rect, clip_rect, *page_shadow_);
+}
+
+void PDFiumEngine::GetRegion(const pp::Point& location,
+ pp::ImageData* image_data,
+ void** region,
+ int* stride) const {
+ if (image_data->is_null()) {
+ DCHECK(plugin_size_.IsEmpty());
+ *stride = 0;
+ *region = NULL;
+ return;
+ }
+ char* buffer = static_cast<char*>(image_data->data());
+ *stride = image_data->stride();
+
+ pp::Point offset_location = location + page_offset_;
+ // TODO: update this when we support BIDI and scrollbars can be on the left.
+ if (!buffer ||
+ !pp::Rect(page_offset_, plugin_size_).Contains(offset_location)) {
+ *region = NULL;
+ return;
+ }
+
+ buffer += location.y() * (*stride);
+ buffer += (location.x() + page_offset_.x()) * 4;
+ *region = buffer;
+}
+
+void PDFiumEngine::OnSelectionChanged() {
+ if (HasPermission(PDFEngine::PERMISSION_COPY))
+ pp::PDF::SetSelectedText(GetPluginInstance(), GetSelectedText().c_str());
+}
+
+void PDFiumEngine::Form_Invalidate(FPDF_FORMFILLINFO* param,
+ FPDF_PAGE page,
+ double left,
+ double top,
+ double right,
+ double bottom) {
+ PDFiumEngine* engine = static_cast<PDFiumEngine*>(param);
+ int page_index = engine->GetVisiblePageIndex(page);
+ if (page_index == -1) {
+ // This can sometime happen when the page is closed because it went off
+ // screen, and PDFium invalidates the control as it's being deleted.
+ return;
+ }
+
+ pp::Rect rect = engine->pages_[page_index]->PageToScreen(
+ engine->GetVisibleRect().point(), engine->current_zoom_, left, top, right,
+ bottom, engine->current_rotation_);
+ engine->client_->Invalidate(rect);
+}
+
+void PDFiumEngine::Form_OutputSelectedRect(FPDF_FORMFILLINFO* param,
+ FPDF_PAGE page,
+ double left,
+ double top,
+ double right,
+ double bottom) {
+ PDFiumEngine* engine = static_cast<PDFiumEngine*>(param);
+ int page_index = engine->GetVisiblePageIndex(page);
+ if (page_index == -1) {
+ NOTREACHED();
+ return;
+ }
+ pp::Rect rect = engine->pages_[page_index]->PageToScreen(
+ engine->GetVisibleRect().point(), engine->current_zoom_, left, top, right,
+ bottom, engine->current_rotation_);
+ engine->form_highlights_.push_back(rect);
+}
+
+void PDFiumEngine::Form_SetCursor(FPDF_FORMFILLINFO* param, int cursor_type) {
+ // We don't need this since it's not enough to change the cursor in all
+ // scenarios. Instead, we check which form field we're under in OnMouseMove.
+}
+
+int PDFiumEngine::Form_SetTimer(FPDF_FORMFILLINFO* param,
+ int elapse,
+ TimerCallback timer_func) {
+ PDFiumEngine* engine = static_cast<PDFiumEngine*>(param);
+ engine->timers_[++engine->next_timer_id_] =
+ std::pair<int, TimerCallback>(elapse, timer_func);
+ engine->client_->ScheduleCallback(engine->next_timer_id_, elapse);
+ return engine->next_timer_id_;
+}
+
+void PDFiumEngine::Form_KillTimer(FPDF_FORMFILLINFO* param, int timer_id) {
+ PDFiumEngine* engine = static_cast<PDFiumEngine*>(param);
+ engine->timers_.erase(timer_id);
+}
+
+FPDF_SYSTEMTIME PDFiumEngine::Form_GetLocalTime(FPDF_FORMFILLINFO* param) {
+ base::Time time = base::Time::Now();
+ base::Time::Exploded exploded;
+ time.LocalExplode(&exploded);
+
+ FPDF_SYSTEMTIME rv;
+ rv.wYear = exploded.year;
+ rv.wMonth = exploded.month;
+ rv.wDayOfWeek = exploded.day_of_week;
+ rv.wDay = exploded.day_of_month;
+ rv.wHour = exploded.hour;
+ rv.wMinute = exploded.minute;
+ rv.wSecond = exploded.second;
+ rv.wMilliseconds = exploded.millisecond;
+ return rv;
+}
+
+void PDFiumEngine::Form_OnChange(FPDF_FORMFILLINFO* param) {
+ // Don't care about.
+}
+
+FPDF_PAGE PDFiumEngine::Form_GetPage(FPDF_FORMFILLINFO* param,
+ FPDF_DOCUMENT document,
+ int page_index) {
+ PDFiumEngine* engine = static_cast<PDFiumEngine*>(param);
+ if (page_index < 0 || page_index >= static_cast<int>(engine->pages_.size()))
+ return NULL;
+ return engine->pages_[page_index]->GetPage();
+}
+
+FPDF_PAGE PDFiumEngine::Form_GetCurrentPage(FPDF_FORMFILLINFO* param,
+ FPDF_DOCUMENT document) {
+ // TODO(jam): find out what this is used for.
+ PDFiumEngine* engine = static_cast<PDFiumEngine*>(param);
+ int index = engine->last_page_mouse_down_;
+ if (index == -1) {
+ index = engine->GetMostVisiblePage();
+ if (index == -1) {
+ NOTREACHED();
+ return NULL;
+ }
+ }
+
+ return engine->pages_[index]->GetPage();
+}
+
+int PDFiumEngine::Form_GetRotation(FPDF_FORMFILLINFO* param, FPDF_PAGE page) {
+ return 0;
+}
+
+void PDFiumEngine::Form_ExecuteNamedAction(FPDF_FORMFILLINFO* param,
+ FPDF_BYTESTRING named_action) {
+ PDFiumEngine* engine = static_cast<PDFiumEngine*>(param);
+ std::string action(named_action);
+ if (action == "Print") {
+ engine->client_->Print();
+ return;
+ }
+
+ int index = engine->last_page_mouse_down_;
+ /* Don't try to calculate the most visible page if we don't have a left click
+ before this event (this code originally copied Form_GetCurrentPage which of
+ course needs to do that and which doesn't have recursion). This can end up
+ causing infinite recursion. See http://crbug.com/240413 for more
+ information. Either way, it's not necessary for the spec'd list of named
+ actions.
+ if (index == -1)
+ index = engine->GetMostVisiblePage();
+ */
+ if (index == -1)
+ return;
+
+ // This is the only list of named actions per the spec (see 12.6.4.11). Adobe
+ // Reader supports more, like FitWidth, but since they're not part of the spec
+ // and we haven't got bugs about them, no need to now.
+ if (action == "NextPage") {
+ engine->client_->ScrollToPage(index + 1);
+ } else if (action == "PrevPage") {
+ engine->client_->ScrollToPage(index - 1);
+ } else if (action == "FirstPage") {
+ engine->client_->ScrollToPage(0);
+ } else if (action == "LastPage") {
+ engine->client_->ScrollToPage(engine->pages_.size() - 1);
+ }
+}
+
+void PDFiumEngine::Form_SetTextFieldFocus(FPDF_FORMFILLINFO* param,
+ FPDF_WIDESTRING value,
+ FPDF_DWORD valueLen,
+ FPDF_BOOL is_focus) {
+ // Do nothing for now.
+ // TODO(gene): use this signal to trigger OSK.
+}
+
+void PDFiumEngine::Form_DoURIAction(FPDF_FORMFILLINFO* param,
+ FPDF_BYTESTRING uri) {
+ PDFiumEngine* engine = static_cast<PDFiumEngine*>(param);
+ engine->client_->NavigateTo(std::string(uri), false);
+}
+
+void PDFiumEngine::Form_DoGoToAction(FPDF_FORMFILLINFO* param,
+ int page_index,
+ int zoom_mode,
+ float* position_array,
+ int size_of_array) {
+ PDFiumEngine* engine = static_cast<PDFiumEngine*>(param);
+ engine->client_->ScrollToPage(page_index);
+}
+
+int PDFiumEngine::Form_Alert(IPDF_JSPLATFORM* param,
+ FPDF_WIDESTRING message,
+ FPDF_WIDESTRING title,
+ int type,
+ int icon) {
+ // See fpdfformfill.h for these values.
+ enum AlertType {
+ ALERT_TYPE_OK = 0,
+ ALERT_TYPE_OK_CANCEL,
+ ALERT_TYPE_YES_ON,
+ ALERT_TYPE_YES_NO_CANCEL
+ };
+
+ enum AlertResult {
+ ALERT_RESULT_OK = 1,
+ ALERT_RESULT_CANCEL,
+ ALERT_RESULT_NO,
+ ALERT_RESULT_YES
+ };
+
+ PDFiumEngine* engine = static_cast<PDFiumEngine*>(param);
+ std::string message_str =
+ base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(message));
+ if (type == ALERT_TYPE_OK) {
+ engine->client_->Alert(message_str);
+ return ALERT_RESULT_OK;
+ }
+
+ bool rv = engine->client_->Confirm(message_str);
+ if (type == ALERT_TYPE_OK_CANCEL)
+ return rv ? ALERT_RESULT_OK : ALERT_RESULT_CANCEL;
+ return rv ? ALERT_RESULT_YES : ALERT_RESULT_NO;
+}
+
+void PDFiumEngine::Form_Beep(IPDF_JSPLATFORM* param, int type) {
+ // Beeps are annoying, and not possible using javascript, so ignore for now.
+}
+
+int PDFiumEngine::Form_Response(IPDF_JSPLATFORM* param,
+ FPDF_WIDESTRING question,
+ FPDF_WIDESTRING title,
+ FPDF_WIDESTRING default_response,
+ FPDF_WIDESTRING label,
+ FPDF_BOOL password,
+ void* response,
+ int length) {
+ std::string question_str = base::UTF16ToUTF8(
+ reinterpret_cast<const base::char16*>(question));
+ std::string default_str = base::UTF16ToUTF8(
+ reinterpret_cast<const base::char16*>(default_response));
+
+ PDFiumEngine* engine = static_cast<PDFiumEngine*>(param);
+ std::string rv = engine->client_->Prompt(question_str, default_str);
+ base::string16 rv_16 = base::UTF8ToUTF16(rv);
+ int rv_bytes = rv_16.size() * sizeof(base::char16);
+ if (response) {
+ int bytes_to_copy = rv_bytes < length ? rv_bytes : length;
+ memcpy(response, rv_16.c_str(), bytes_to_copy);
+ }
+ return rv_bytes;
+}
+
+int PDFiumEngine::Form_GetFilePath(IPDF_JSPLATFORM* param,
+ void* file_path,
+ int length) {
+ PDFiumEngine* engine = static_cast<PDFiumEngine*>(param);
+ std::string rv = engine->client_->GetURL();
+ if (file_path && rv.size() <= static_cast<size_t>(length))
+ memcpy(file_path, rv.c_str(), rv.size());
+ return rv.size();
+}
+
+void PDFiumEngine::Form_Mail(IPDF_JSPLATFORM* param,
+ void* mail_data,
+ int length,
+ FPDF_BOOL ui,
+ FPDF_WIDESTRING to,
+ FPDF_WIDESTRING subject,
+ FPDF_WIDESTRING cc,
+ FPDF_WIDESTRING bcc,
+ FPDF_WIDESTRING message) {
+ DCHECK(length == 0); // Don't handle attachments; no way with mailto.
+ std::string to_str =
+ base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(to));
+ std::string cc_str =
+ base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(cc));
+ std::string bcc_str =
+ base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(bcc));
+ std::string subject_str =
+ base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(subject));
+ std::string message_str =
+ base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(message));
+
+ PDFiumEngine* engine = static_cast<PDFiumEngine*>(param);
+ engine->client_->Email(to_str, cc_str, bcc_str, subject_str, message_str);
+}
+
+void PDFiumEngine::Form_Print(IPDF_JSPLATFORM* param,
+ FPDF_BOOL ui,
+ int start,
+ int end,
+ FPDF_BOOL silent,
+ FPDF_BOOL shrink_to_fit,
+ FPDF_BOOL print_as_image,
+ FPDF_BOOL reverse,
+ FPDF_BOOL annotations) {
+ // No way to pass the extra information to the print dialog using JavaScript.
+ // Just opening it is fine for now.
+ PDFiumEngine* engine = static_cast<PDFiumEngine*>(param);
+ engine->client_->Print();
+}
+
+void PDFiumEngine::Form_SubmitForm(IPDF_JSPLATFORM* param,
+ void* form_data,
+ int length,
+ FPDF_WIDESTRING url) {
+ std::string url_str =
+ base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(url));
+ PDFiumEngine* engine = static_cast<PDFiumEngine*>(param);
+ engine->client_->SubmitForm(url_str, form_data, length);
+}
+
+void PDFiumEngine::Form_GotoPage(IPDF_JSPLATFORM* param,
+ int page_number) {
+ PDFiumEngine* engine = static_cast<PDFiumEngine*>(param);
+ engine->client_->ScrollToPage(page_number);
+}
+
+int PDFiumEngine::Form_Browse(IPDF_JSPLATFORM* param,
+ void* file_path,
+ int length) {
+ PDFiumEngine* engine = static_cast<PDFiumEngine*>(param);
+ std::string path = engine->client_->ShowFileSelectionDialog();
+ if (path.size() + 1 <= static_cast<size_t>(length))
+ memcpy(file_path, &path[0], path.size() + 1);
+ return path.size() + 1;
+}
+
+FPDF_BOOL PDFiumEngine::Pause_NeedToPauseNow(IFSDK_PAUSE* param) {
+ PDFiumEngine* engine = static_cast<PDFiumEngine*>(param);
+ return (base::Time::Now() - engine->last_progressive_start_time_).
+ InMilliseconds() > engine->progressive_paint_timeout_;
+}
+
+ScopedUnsupportedFeature::ScopedUnsupportedFeature(PDFiumEngine* engine)
+ : engine_(engine), old_engine_(g_engine_for_unsupported) {
+ g_engine_for_unsupported = engine_;
+}
+
+ScopedUnsupportedFeature::~ScopedUnsupportedFeature() {
+ g_engine_for_unsupported = old_engine_;
+}
+
+PDFEngineExports* PDFEngineExports::Create() {
+ return new PDFiumEngineExports;
+}
+
+namespace {
+
+int CalculatePosition(FPDF_PAGE page,
+ const PDFiumEngineExports::RenderingSettings& settings,
+ pp::Rect* dest) {
+ int page_width = static_cast<int>(
+ FPDF_GetPageWidth(page) * settings.dpi_x / kPointsPerInch);
+ int page_height = static_cast<int>(
+ FPDF_GetPageHeight(page) * settings.dpi_y / kPointsPerInch);
+
+ // Start by assuming that we will draw exactly to the bounds rect
+ // specified.
+ *dest = settings.bounds;
+
+ int rotate = 0; // normal orientation.
+
+ // Auto-rotate landscape pages to print correctly.
+ if (settings.autorotate &&
+ (dest->width() > dest->height()) != (page_width > page_height)) {
+ rotate = 3; // 90 degrees counter-clockwise.
+ std::swap(page_width, page_height);
+ }
+
+ // See if we need to scale the output
+ bool scale_to_bounds = false;
+ if (settings.fit_to_bounds &&
+ ((page_width > dest->width()) || (page_height > dest->height()))) {
+ scale_to_bounds = true;
+ } else if (settings.stretch_to_bounds &&
+ ((page_width < dest->width()) || (page_height < dest->height()))) {
+ scale_to_bounds = true;
+ }
+
+ if (scale_to_bounds) {
+ // If we need to maintain aspect ratio, calculate the actual width and
+ // height.
+ if (settings.keep_aspect_ratio) {
+ double scale_factor_x = page_width;
+ scale_factor_x /= dest->width();
+ double scale_factor_y = page_height;
+ scale_factor_y /= dest->height();
+ if (scale_factor_x > scale_factor_y) {
+ dest->set_height(page_height / scale_factor_x);
+ } else {
+ dest->set_width(page_width / scale_factor_y);
+ }
+ }
+ } else {
+ // We are not scaling to bounds. Draw in the actual page size. If the
+ // actual page size is larger than the bounds, the output will be
+ // clipped.
+ dest->set_width(page_width);
+ dest->set_height(page_height);
+ }
+
+ if (settings.center_in_bounds) {
+ pp::Point offset((settings.bounds.width() - dest->width()) / 2,
+ (settings.bounds.height() - dest->height()) / 2);
+ dest->Offset(offset);
+ }
+ return rotate;
+}
+
+} // namespace
+
+#if defined(OS_WIN)
+bool PDFiumEngineExports::RenderPDFPageToDC(const void* pdf_buffer,
+ int buffer_size,
+ int page_number,
+ const RenderingSettings& settings,
+ HDC dc) {
+ FPDF_DOCUMENT doc = FPDF_LoadMemDocument(pdf_buffer, buffer_size, NULL);
+ if (!doc)
+ return false;
+ FPDF_PAGE page = FPDF_LoadPage(doc, page_number);
+ if (!page) {
+ FPDF_CloseDocument(doc);
+ return false;
+ }
+ RenderingSettings new_settings = settings;
+ // calculate the page size
+ if (new_settings.dpi_x == -1)
+ new_settings.dpi_x = GetDeviceCaps(dc, LOGPIXELSX);
+ if (new_settings.dpi_y == -1)
+ new_settings.dpi_y = GetDeviceCaps(dc, LOGPIXELSY);
+
+ pp::Rect dest;
+ int rotate = CalculatePosition(page, new_settings, &dest);
+
+ int save_state = SaveDC(dc);
+ // The caller wanted all drawing to happen within the bounds specified.
+ // Based on scale calculations, our destination rect might be larger
+ // than the bounds. Set the clip rect to the bounds.
+ IntersectClipRect(dc, settings.bounds.x(), settings.bounds.y(),
+ settings.bounds.x() + settings.bounds.width(),
+ settings.bounds.y() + settings.bounds.height());
+
+ // A temporary hack. PDFs generated by Cairo (used by Chrome OS to generate
+ // a PDF output from a webpage) result in very large metafiles and the
+ // rendering using FPDF_RenderPage is incorrect. In this case, render as a
+ // bitmap. Note that this code does not kick in for PDFs printed from Chrome
+ // because in that case we create a temp PDF first before printing and this
+ // temp PDF does not have a creator string that starts with "cairo".
+ base::string16 creator;
+ size_t buffer_bytes = FPDF_GetMetaText(doc, "Creator", NULL, 0);
+ if (buffer_bytes > 1) {
+ FPDF_GetMetaText(
+ doc, "Creator", WriteInto(&creator, buffer_bytes + 1), buffer_bytes);
+ }
+ bool use_bitmap = false;
+ if (StartsWith(creator, L"cairo", false))
+ use_bitmap = true;
+
+ // Another temporary hack. Some PDFs seems to render very slowly if
+ // FPDF_RenderPage is directly used on a printer DC. I suspect it is
+ // because of the code to talk Postscript directly to the printer if
+ // the printer supports this. Need to discuss this with PDFium. For now,
+ // render to a bitmap and then blit the bitmap to the DC if we have been
+ // supplied a printer DC.
+ int device_type = GetDeviceCaps(dc, TECHNOLOGY);
+ if (use_bitmap ||
+ (device_type == DT_RASPRINTER) || (device_type == DT_PLOTTER)) {
+ FPDF_BITMAP bitmap = FPDFBitmap_Create(dest.width(), dest.height(),
+ FPDFBitmap_BGRx);
+ // Clear the bitmap
+ FPDFBitmap_FillRect(bitmap, 0, 0, dest.width(), dest.height(), 0xFFFFFFFF);
+ FPDF_RenderPageBitmap(
+ bitmap, page, 0, 0, dest.width(), dest.height(), rotate,
+ FPDF_ANNOT | FPDF_PRINTING | FPDF_NO_CATCH);
+ int stride = FPDFBitmap_GetStride(bitmap);
+ BITMAPINFO bmi;
+ memset(&bmi, 0, sizeof(bmi));
+ bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+ bmi.bmiHeader.biWidth = dest.width();
+ bmi.bmiHeader.biHeight = -dest.height(); // top-down image
+ bmi.bmiHeader.biPlanes = 1;
+ bmi.bmiHeader.biBitCount = 32;
+ bmi.bmiHeader.biCompression = BI_RGB;
+ bmi.bmiHeader.biSizeImage = stride * dest.height();
+ StretchDIBits(dc, dest.x(), dest.y(), dest.width(), dest.height(),
+ 0, 0, dest.width(), dest.height(),
+ FPDFBitmap_GetBuffer(bitmap), &bmi, DIB_RGB_COLORS, SRCCOPY);
+ FPDFBitmap_Destroy(bitmap);
+ } else {
+ FPDF_RenderPage(dc, page, dest.x(), dest.y(), dest.width(), dest.height(),
+ rotate, FPDF_ANNOT | FPDF_PRINTING | FPDF_NO_CATCH);
+ }
+ RestoreDC(dc, save_state);
+ FPDF_ClosePage(page);
+ FPDF_CloseDocument(doc);
+ return true;
+}
+#endif // OS_WIN
+
+bool PDFiumEngineExports::RenderPDFPageToBitmap(
+ const void* pdf_buffer,
+ int pdf_buffer_size,
+ int page_number,
+ const RenderingSettings& settings,
+ void* bitmap_buffer) {
+ FPDF_DOCUMENT doc = FPDF_LoadMemDocument(pdf_buffer, pdf_buffer_size, NULL);
+ if (!doc)
+ return false;
+ FPDF_PAGE page = FPDF_LoadPage(doc, page_number);
+ if (!page) {
+ FPDF_CloseDocument(doc);
+ return false;
+ }
+
+ pp::Rect dest;
+ int rotate = CalculatePosition(page, settings, &dest);
+
+ FPDF_BITMAP bitmap =
+ FPDFBitmap_CreateEx(settings.bounds.width(), settings.bounds.height(),
+ FPDFBitmap_BGRA, bitmap_buffer,
+ settings.bounds.width() * 4);
+ // Clear the bitmap
+ FPDFBitmap_FillRect(bitmap, 0, 0, settings.bounds.width(),
+ settings.bounds.height(), 0xFFFFFFFF);
+ // Shift top-left corner of bounds to (0, 0) if it's not there.
+ dest.set_point(dest.point() - settings.bounds.point());
+ FPDF_RenderPageBitmap(
+ bitmap, page, dest.x(), dest.y(), dest.width(), dest.height(), rotate,
+ FPDF_ANNOT | FPDF_PRINTING | FPDF_NO_CATCH);
+ FPDFBitmap_Destroy(bitmap);
+ FPDF_ClosePage(page);
+ FPDF_CloseDocument(doc);
+ return true;
+}
+
+bool PDFiumEngineExports::GetPDFDocInfo(const void* pdf_buffer,
+ int buffer_size,
+ int* page_count,
+ double* max_page_width) {
+ FPDF_DOCUMENT doc = FPDF_LoadMemDocument(pdf_buffer, buffer_size, NULL);
+ if (!doc)
+ return false;
+ int page_count_local = FPDF_GetPageCount(doc);
+ if (page_count) {
+ *page_count = page_count_local;
+ }
+ if (max_page_width) {
+ *max_page_width = 0;
+ for (int page_number = 0; page_number < page_count_local; page_number++) {
+ double page_width = 0;
+ double page_height = 0;
+ FPDF_GetPageSizeByIndex(doc, page_number, &page_width, &page_height);
+ if (page_width > *max_page_width) {
+ *max_page_width = page_width;
+ }
+ }
+ }
+ FPDF_CloseDocument(doc);
+ return true;
+}
+
+bool PDFiumEngineExports::GetPDFPageSizeByIndex(
+ const void* pdf_buffer,
+ int pdf_buffer_size,
+ int page_number,
+ double* width,
+ double* height) {
+ FPDF_DOCUMENT doc = FPDF_LoadMemDocument(pdf_buffer, pdf_buffer_size, NULL);
+ if (!doc)
+ return false;
+ bool success = FPDF_GetPageSizeByIndex(doc, page_number, width, height) != 0;
+ FPDF_CloseDocument(doc);
+ return success;
+}
+
+} // namespace chrome_pdf
diff --git a/xfa_test/pdf/pdfium/pdfium_engine.h b/xfa_test/pdf/pdfium/pdfium_engine.h
new file mode 100644
index 0000000000..242c33df27
--- /dev/null
+++ b/xfa_test/pdf/pdfium/pdfium_engine.h
@@ -0,0 +1,687 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PDF_PDFIUM_PDFIUM_ENGINE_H_
+#define PDF_PDFIUM_PDFIUM_ENGINE_H_
+
+#include <map>
+#include <string>
+#include <utility>
+#include <vector>
+
+#include "base/memory/scoped_ptr.h"
+#include "base/time/time.h"
+#include "pdf/document_loader.h"
+#include "pdf/pdf_engine.h"
+#include "pdf/pdfium/pdfium_page.h"
+#include "pdf/pdfium/pdfium_range.h"
+#include "ppapi/cpp/completion_callback.h"
+#include "ppapi/cpp/dev/buffer_dev.h"
+#include "ppapi/cpp/image_data.h"
+#include "ppapi/cpp/point.h"
+#include "third_party/pdfium/fpdfsdk/include/fpdf_dataavail.h"
+#include "third_party/pdfium/fpdfsdk/include/fpdf_progressive.h"
+#include "third_party/pdfium/fpdfsdk/include/fpdfformfill.h"
+#include "third_party/pdfium/fpdfsdk/include/fpdfview.h"
+
+#define _TEST_XFA
+#ifdef _TEST_XFA
+# if defined(WIN32)
+# define FXQA_TESTFILE(filename) "E:/"#filename
+# else
+# define FXQA_TESTFILE(filename) "/home/"#filename
+# endif
+#endif
+
+namespace pp {
+class KeyboardInputEvent;
+class MouseInputEvent;
+}
+
+namespace chrome_pdf {
+
+class ShadowMatrix;
+
+class PDFiumEngine : public PDFEngine,
+ public DocumentLoader::Client,
+ public FPDF_FORMFILLINFO,
+ public IPDF_JSPLATFORM,
+ public IFSDK_PAUSE {
+ public:
+ explicit PDFiumEngine(PDFEngine::Client* client);
+ virtual ~PDFiumEngine();
+
+ // PDFEngine implementation.
+ virtual bool New(const char* url);
+ virtual bool New(const char* url,
+ const char* headers);
+ virtual void PageOffsetUpdated(const pp::Point& page_offset);
+ virtual void PluginSizeUpdated(const pp::Size& size);
+ virtual void ScrolledToXPosition(int position);
+ virtual void ScrolledToYPosition(int position);
+ virtual void PrePaint();
+ virtual void Paint(const pp::Rect& rect,
+ pp::ImageData* image_data,
+ std::vector<pp::Rect>* ready,
+ std::vector<pp::Rect>* pending);
+ virtual void PostPaint();
+ virtual bool HandleDocumentLoad(const pp::URLLoader& loader);
+ virtual bool HandleEvent(const pp::InputEvent& event);
+ virtual uint32_t QuerySupportedPrintOutputFormats();
+ virtual void PrintBegin();
+ virtual pp::Resource PrintPages(
+ const PP_PrintPageNumberRange_Dev* page_ranges,
+ uint32_t page_range_count,
+ const PP_PrintSettings_Dev& print_settings);
+ virtual void PrintEnd();
+ virtual void StartFind(const char* text, bool case_sensitive);
+ virtual bool SelectFindResult(bool forward);
+ virtual void StopFind();
+ virtual void ZoomUpdated(double new_zoom_level);
+ virtual void RotateClockwise();
+ virtual void RotateCounterclockwise();
+ virtual std::string GetSelectedText();
+ virtual std::string GetLinkAtPosition(const pp::Point& point);
+ virtual bool IsSelecting();
+ virtual bool HasPermission(DocumentPermission permission) const;
+ virtual void SelectAll();
+ virtual int GetNumberOfPages();
+ virtual int GetNamedDestinationPage(const std::string& destination);
+ virtual int GetFirstVisiblePage();
+ virtual int GetMostVisiblePage();
+ virtual pp::Rect GetPageRect(int index);
+ virtual pp::Rect GetPageContentsRect(int index);
+ virtual int GetVerticalScrollbarYPosition() { return position_.y(); }
+ virtual void PaintThumbnail(pp::ImageData* image_data, int index);
+ virtual void SetGrayscale(bool grayscale);
+ virtual void OnCallback(int id);
+ virtual std::string GetPageAsJSON(int index);
+ virtual bool GetPrintScaling();
+ virtual void AppendBlankPages(int num_pages);
+ virtual void AppendPage(PDFEngine* engine, int index);
+ virtual pp::Point GetScrollPosition();
+ virtual void SetScrollPosition(const pp::Point& position);
+ virtual bool IsProgressiveLoad();
+
+ // DocumentLoader::Client implementation.
+ virtual pp::Instance* GetPluginInstance();
+ virtual pp::URLLoader CreateURLLoader();
+ virtual void OnPartialDocumentLoaded();
+ virtual void OnPendingRequestComplete();
+ virtual void OnNewDataAvailable();
+ virtual void OnDocumentComplete();
+
+ void UnsupportedFeature(int type);
+
+ std::string current_find_text() const { return current_find_text_; }
+
+ FPDF_DOCUMENT doc() { return doc_; }
+ FPDF_FORMHANDLE form() { return form_; }
+
+ private:
+ // This helper class is used to detect the difference in selection between
+ // construction and destruction. At destruction, it invalidates all the
+ // parts that are newly selected, along with all the parts that used to be
+ // selected but are not anymore.
+ class SelectionChangeInvalidator {
+ public:
+ explicit SelectionChangeInvalidator(PDFiumEngine* engine);
+ ~SelectionChangeInvalidator();
+ private:
+ // Sets the given container to the all the currently visible selection
+ // rectangles, in screen coordinates.
+ void GetVisibleSelectionsScreenRects(std::vector<pp::Rect>* rects);
+
+ PDFiumEngine* engine_;
+ // Screen rectangles that were selected on construction.
+ std::vector<pp::Rect> old_selections_;
+ // The origin at the time this object was constructed.
+ pp::Point previous_origin_;
+ };
+
+ // Used to store mouse down state to handle it in other mouse event handlers.
+ class MouseDownState {
+ public:
+ MouseDownState(const PDFiumPage::Area& area,
+ const PDFiumPage::LinkTarget& target);
+ ~MouseDownState();
+
+ void Set(const PDFiumPage::Area& area,
+ const PDFiumPage::LinkTarget& target);
+ void Reset();
+ bool Matches(const PDFiumPage::Area& area,
+ const PDFiumPage::LinkTarget& target) const;
+
+ private:
+ PDFiumPage::Area area_;
+ PDFiumPage::LinkTarget target_;
+
+ DISALLOW_COPY_AND_ASSIGN(MouseDownState);
+ };
+
+ friend class SelectionChangeInvalidator;
+
+ struct FileAvail : public FX_FILEAVAIL {
+ DocumentLoader* loader;
+ };
+
+ struct DownloadHints : public FX_DOWNLOADHINTS {
+ DocumentLoader* loader;
+ };
+
+ // PDFium interface to get block of data.
+ static int GetBlock(void* param, unsigned long position,
+ unsigned char* buffer, unsigned long size);
+
+ // PDFium interface to check is block of data is available.
+ static bool IsDataAvail(FX_FILEAVAIL* param,
+ size_t offset, size_t size);
+
+ // PDFium interface to request download of the block of data.
+ static void AddSegment(FX_DOWNLOADHINTS* param,
+ size_t offset, size_t size);
+
+ // We finished getting the pdf file, so load it. This will complete
+ // asynchronously (due to password fetching) and may be run multiple times.
+ void LoadDocument();
+
+ // Try loading the document. Returns true if the document is successfully
+ // loaded or is already loaded otherwise it will return false. If
+ // |with_password| is set to true, the document will be loaded with
+ // |password|. If the document could not be loaded and needs a password,
+ // |needs_password| will be set to true.
+ bool TryLoadingDoc(bool with_password,
+ const std::string& password,
+ bool* needs_password);
+
+ // Ask the user for the document password and then continue loading the
+ // document.
+ void GetPasswordAndLoad();
+
+ // Called when the password has been retrieved.
+ void OnGetPasswordComplete(int32_t result,
+ const pp::Var& password);
+
+ // Continues loading the document when the password has been retrieved, or if
+ // there is no password.
+ void ContinueLoadingDocument(bool has_password,
+ const std::string& password);
+
+ // Finish loading the document and notify the client that the document has
+ // been loaded. This should only be run after |doc_| has been loaded and the
+ // document is fully downloaded. If this has been run once, it will result in
+ // a no-op.
+ void FinishLoadingDocument();
+
+ // Loads information about the pages in the document and calculate the
+ // document size.
+ void LoadPageInfo(bool reload);
+
+ // Calculate which pages should be displayed right now.
+ void CalculateVisiblePages();
+
+ // Returns true iff the given page index is visible. CalculateVisiblePages
+ // must have been called first.
+ bool IsPageVisible(int index) const;
+
+ // Checks if a page is now available, and if so marks it as such and returns
+ // true. Otherwise, it will return false and will add the index to the given
+ // array if it's not already there.
+ bool CheckPageAvailable(int index, std::vector<int>* pending);
+
+ // Helper function to get a given page's size in pixels. This is not part of
+ // PDFiumPage because we might not have that structure when we need this.
+ pp::Size GetPageSize(int index);
+
+ void UpdateTickMarks();
+
+ // Called to continue searching so we don't block the main thread.
+ void ContinueFind(int32_t result);
+
+ // Inserts a find result into find_results_, which is sorted.
+ void AddFindResult(const PDFiumRange& result);
+
+ // Search a page using PDFium's methods. Doesn't work with unicode. This
+ // function is just kept arount in case PDFium code is fixed.
+ void SearchUsingPDFium(const base::string16& term,
+ bool case_sensitive,
+ bool first_search,
+ int character_to_start_searching_from,
+ int current_page);
+
+ // Search a page ourself using ICU.
+ void SearchUsingICU(const base::string16& term,
+ bool case_sensitive,
+ bool first_search,
+ int character_to_start_searching_from,
+ int current_page);
+
+ // Input event handlers.
+ bool OnMouseDown(const pp::MouseInputEvent& event);
+ bool OnMouseUp(const pp::MouseInputEvent& event);
+ bool OnMouseMove(const pp::MouseInputEvent& event);
+ bool OnKeyDown(const pp::KeyboardInputEvent& event);
+ bool OnKeyUp(const pp::KeyboardInputEvent& event);
+ bool OnChar(const pp::KeyboardInputEvent& event);
+
+ FPDF_DOCUMENT CreateSinglePageRasterPdf(
+ double source_page_width,
+ double source_page_height,
+ const PP_PrintSettings_Dev& print_settings,
+ PDFiumPage* page_to_print);
+
+ pp::Buffer_Dev PrintPagesAsRasterPDF(
+ const PP_PrintPageNumberRange_Dev* page_ranges,
+ uint32_t page_range_count,
+ const PP_PrintSettings_Dev& print_settings);
+
+ pp::Buffer_Dev PrintPagesAsPDF(const PP_PrintPageNumberRange_Dev* page_ranges,
+ uint32_t page_range_count,
+ const PP_PrintSettings_Dev& print_settings);
+
+ pp::Buffer_Dev GetFlattenedPrintData(const FPDF_DOCUMENT& doc);
+ void FitContentsToPrintableAreaIfRequired(
+ const FPDF_DOCUMENT& doc,
+ const PP_PrintSettings_Dev& print_settings);
+ void SaveSelectedFormForPrint();
+
+ // Given a mouse event, returns which page and character location it's closest
+ // to.
+ PDFiumPage::Area GetCharIndex(const pp::MouseInputEvent& event,
+ int* page_index,
+ int* char_index,
+ PDFiumPage::LinkTarget* target);
+ PDFiumPage::Area GetCharIndex(const pp::Point& point,
+ int* page_index,
+ int* char_index,
+ PDFiumPage::LinkTarget* target);
+
+ void OnSingleClick(int page_index, int char_index);
+ void OnMultipleClick(int click_count, int page_index, int char_index);
+
+ // Starts a progressive paint operation given a rectangle in screen
+ // coordinates. Returns the index in progressive_rects_.
+ int StartPaint(int page_index, const pp::Rect& dirty);
+
+ // Continues a paint operation that was started earlier. Returns true if the
+ // paint is done, or false if it needs to be continued.
+ bool ContinuePaint(int progressive_index, pp::ImageData* image_data);
+
+ // Called once PDFium is finished rendering a page so that we draw our
+ // borders, highlighting etc.
+ void FinishPaint(int progressive_index, pp::ImageData* image_data);
+
+ // Stops any paints that are in progress.
+ void CancelPaints();
+
+ // Invalidates all pages. Use this when some global parameter, such as page
+ // orientation, has changed.
+ void InvalidateAllPages();
+
+ // If the page is narrower than the document size, paint the extra space
+ // with the page background.
+ void FillPageSides(int progressive_index);
+
+ void PaintPageShadow(int progressive_index, pp::ImageData* image_data);
+
+ // Highlight visible find results and selections.
+ void DrawSelections(int progressive_index, pp::ImageData* image_data);
+
+ // Paints an page that hasn't finished downloading.
+ void PaintUnavailablePage(int page_index,
+ const pp::Rect& dirty,
+ pp::ImageData* image_data);
+
+ // Given a page index, returns the corresponding index in progressive_rects_,
+ // or -1 if it doesn't exist.
+ int GetProgressiveIndex(int page_index) const;
+
+ // Creates a FPDF_BITMAP from a rectangle in screen coordinates.
+ FPDF_BITMAP CreateBitmap(const pp::Rect& rect,
+ pp::ImageData* image_data) const;
+
+ // Given a rectangle in screen coordinates, returns the coordinates in the
+ // units that PDFium rendering functions expect.
+ void GetPDFiumRect(int page_index, const pp::Rect& rect, int* start_x,
+ int* start_y, int* size_x, int* size_y) const;
+
+ // Returns the rendering flags to pass to PDFium.
+ int GetRenderingFlags() const;
+
+ // Returns the currently visible rectangle in document coordinates.
+ pp::Rect GetVisibleRect() const;
+
+ // Returns a page's rect in screen coordinates, as well as its surrounding
+ // border areas and bottom separator.
+ pp::Rect GetPageScreenRect(int page_index) const;
+
+ // Given a rectangle in document coordinates, returns the rectange into screen
+ // coordinates (i.e. 0,0 is top left corner of plugin area). If it's not
+ // visible, an empty rectangle is returned.
+ pp::Rect GetScreenRect(const pp::Rect& rect) const;
+
+ // Highlights the given rectangle.
+ void Highlight(void* buffer,
+ int stride,
+ const pp::Rect& rect,
+ std::vector<pp::Rect>* highlighted_rects);
+
+ // Helper function to convert a device to page coordinates. If the page is
+ // not yet loaded, page_x and page_y will be set to 0.
+ void DeviceToPage(int page_index,
+ float device_x,
+ float device_y,
+ double* page_x,
+ double* page_y);
+
+ // Helper function to get the index of a given FPDF_PAGE. Returns -1 if not
+ // found.
+ int GetVisiblePageIndex(FPDF_PAGE page);
+
+ // Helper function to change the current page, running page open/close
+ // triggers as necessary.
+ void SetCurrentPage(int index);
+
+ // Transform |page| contents to fit in the selected printer paper size.
+ void TransformPDFPageForPrinting(FPDF_PAGE page,
+ const PP_PrintSettings_Dev& print_settings);
+
+ void DrawPageShadow(const pp::Rect& page_rect,
+ const pp::Rect& shadow_rect,
+ const pp::Rect& clip_rect,
+ pp::ImageData* image_data);
+
+ void GetRegion(const pp::Point& location,
+ pp::ImageData* image_data,
+ void** region,
+ int* stride) const;
+
+ // Called when the selection changes.
+ void OnSelectionChanged();
+
+ // FPDF_FORMFILLINFO callbacks.
+ static void Form_Invalidate(FPDF_FORMFILLINFO* param,
+ FPDF_PAGE page,
+ double left,
+ double top,
+ double right,
+ double bottom);
+ static void Form_OutputSelectedRect(FPDF_FORMFILLINFO* param,
+ FPDF_PAGE page,
+ double left,
+ double top,
+ double right,
+ double bottom);
+ static void Form_SetCursor(FPDF_FORMFILLINFO* param, int cursor_type);
+ static int Form_SetTimer(FPDF_FORMFILLINFO* param,
+ int elapse,
+ TimerCallback timer_func);
+ static void Form_KillTimer(FPDF_FORMFILLINFO* param, int timer_id);
+ static FPDF_SYSTEMTIME Form_GetLocalTime(FPDF_FORMFILLINFO* param);
+ static void Form_OnChange(FPDF_FORMFILLINFO* param);
+ static FPDF_PAGE Form_GetPage(FPDF_FORMFILLINFO* param,
+ FPDF_DOCUMENT document,
+ int page_index);
+ static FPDF_PAGE Form_GetCurrentPage(FPDF_FORMFILLINFO* param,
+ FPDF_DOCUMENT document);
+ static int Form_GetRotation(FPDF_FORMFILLINFO* param, FPDF_PAGE page);
+ static void Form_ExecuteNamedAction(FPDF_FORMFILLINFO* param,
+ FPDF_BYTESTRING named_action);
+ static void Form_SetTextFieldFocus(FPDF_FORMFILLINFO* param,
+ FPDF_WIDESTRING value,
+ FPDF_DWORD valueLen,
+ FPDF_BOOL is_focus);
+ static void Form_DoURIAction(FPDF_FORMFILLINFO* param, FPDF_BYTESTRING uri);
+ static void Form_DoGoToAction(FPDF_FORMFILLINFO* param,
+ int page_index,
+ int zoom_mode,
+ float* position_array,
+ int size_of_array);
+
+ // IPDF_JSPLATFORM callbacks.
+ static int Form_Alert(IPDF_JSPLATFORM* param,
+ FPDF_WIDESTRING message,
+ FPDF_WIDESTRING title,
+ int type,
+ int icon);
+ static void Form_Beep(IPDF_JSPLATFORM* param, int type);
+ static int Form_Response(IPDF_JSPLATFORM* param,
+ FPDF_WIDESTRING question,
+ FPDF_WIDESTRING title,
+ FPDF_WIDESTRING default_response,
+ FPDF_WIDESTRING label,
+ FPDF_BOOL password,
+ void* response,
+ int length);
+ static int Form_GetFilePath(IPDF_JSPLATFORM* param,
+ void* file_path,
+ int length);
+ static void Form_Mail(IPDF_JSPLATFORM* param,
+ void* mail_data,
+ int length,
+ FPDF_BOOL ui,
+ FPDF_WIDESTRING to,
+ FPDF_WIDESTRING subject,
+ FPDF_WIDESTRING cc,
+ FPDF_WIDESTRING bcc,
+ FPDF_WIDESTRING message);
+ static void Form_Print(IPDF_JSPLATFORM* param,
+ FPDF_BOOL ui,
+ int start,
+ int end,
+ FPDF_BOOL silent,
+ FPDF_BOOL shrink_to_fit,
+ FPDF_BOOL print_as_image,
+ FPDF_BOOL reverse,
+ FPDF_BOOL annotations);
+ static void Form_SubmitForm(IPDF_JSPLATFORM* param,
+ void* form_data,
+ int length,
+ FPDF_WIDESTRING url);
+ static void Form_GotoPage(IPDF_JSPLATFORM* param, int page_number);
+ static int Form_Browse(IPDF_JSPLATFORM* param, void* file_path, int length);
+#ifdef _TEST_XFA
+ static void Form_EmailTo(FPDF_FORMFILLINFO* pThis, FPDF_FILEHANDLER* fileHandler,
+ FPDF_WIDESTRING to, FPDF_WIDESTRING subject, FPDF_WIDESTRING cc, FPDF_WIDESTRING bcc, FPDF_WIDESTRING message);
+ static void Form_DisplayCaret(FPDF_FORMFILLINFO* pThis, FPDF_PAGE page, FPDF_BOOL bVisible, double left, double top, double right, double bottom);
+ //static int Form_GetCurDocumentIndex(FPDF_FORMFILLINFO* pThis);
+ //static int Form_GetDocumentCount(FPDF_FORMFILLINFO* pThis);
+ static void Form_SetCurrentPage(FPDF_FORMFILLINFO* pThis, FPDF_DOCUMENT document, int iCurPage);
+ static int Form_GetCurrentPageIndex(FPDF_FORMFILLINFO* pThis, FPDF_DOCUMENT document);
+ static void Form_GetPageViewRect(FPDF_FORMFILLINFO* pThis, FPDF_PAGE page, double* left, double* top, double* right, double* bottom);
+ static int Form_GetPlatform(FPDF_FORMFILLINFO* pThis, void* platform, int length);
+ static FPDF_BOOL Form_PopupMenu(FPDF_FORMFILLINFO* pThis, FPDF_PAGE page, FPDF_WIDGET hWidget, int menuFlag, float x, float y);
+ static FPDF_BOOL Form_PostRequestURL(FPDF_FORMFILLINFO* pThis, FPDF_WIDESTRING wsURL, FPDF_WIDESTRING wsData, FPDF_WIDESTRING wsContentType, FPDF_WIDESTRING wsEncode, FPDF_WIDESTRING wsHeader, FPDF_BSTR* respone);
+ static FPDF_BOOL Form_PutRequestURL(FPDF_FORMFILLINFO* pThis, FPDF_WIDESTRING wsURL, FPDF_WIDESTRING wsData, FPDF_WIDESTRING wsEncode);
+ //static FPDF_BOOL Form_ShowFileDialog(FPDF_FORMFILLINFO* pThis, FPDF_WIDESTRING wsTitle, FPDF_WIDESTRING wsFilter, FPDF_BOOL isOpen, FPDF_STRINGHANDLE pathArr);
+ static void Form_UploadTo(FPDF_FORMFILLINFO* pThis, FPDF_FILEHANDLER* fileHandler, int fileFlag, FPDF_WIDESTRING uploadTo);
+ static FPDF_LPFILEHANDLER Form_DownloadFromURL(FPDF_FORMFILLINFO* pThis, FPDF_WIDESTRING URL);
+ //static FPDF_BOOL MyForm_GetFilePath(FPDF_FORMFILLINFO* pThis, FPDF_FILEHANDLER* pFileHandler, void* filePath, int length);
+ static FPDF_FILEHANDLER* Form_OpenFile(FPDF_FORMFILLINFO* pThis, int fileFlag, FPDF_WIDESTRING wsURL, const char* mode);
+ static void Form_GotoURL(FPDF_FORMFILLINFO* pThis, FPDF_DOCUMENT document, FPDF_WIDESTRING wsURL);
+ static int Form_GetLanguage(FPDF_FORMFILLINFO* pThis, void* language, int length);
+#endif // _TEST_XFA
+ // IFSDK_PAUSE callbacks
+ static FPDF_BOOL Pause_NeedToPauseNow(IFSDK_PAUSE* param);
+
+ PDFEngine::Client* client_;
+ pp::Size document_size_; // Size of document in pixels.
+
+ // The scroll position in screen coordinates.
+ pp::Point position_;
+ // The offset of the page into the viewport.
+ pp::Point page_offset_;
+ // The plugin size in screen coordinates.
+ pp::Size plugin_size_;
+ double current_zoom_;
+ unsigned int current_rotation_;
+
+ DocumentLoader doc_loader_; // Main document's loader.
+ std::string url_;
+ std::string headers_;
+ pp::CompletionCallbackFactory<PDFiumEngine> find_factory_;
+
+ pp::CompletionCallbackFactory<PDFiumEngine> password_factory_;
+ int32_t password_tries_remaining_;
+
+ // The current text used for searching.
+ std::string current_find_text_;
+
+ // The PDFium wrapper object for the document.
+ FPDF_DOCUMENT doc_;
+
+ // The PDFium wrapper for form data. Used even if there are no form controls
+ // on the page.
+ FPDF_FORMHANDLE form_;
+
+ // The page(s) of the document. Store a vector of pointers so that when the
+ // vector is resized we don't close the pages that are used in pending
+ // paints.
+ std::vector<PDFiumPage*> pages_;
+
+ // The indexes of the pages currently visible.
+ std::vector<int> visible_pages_;
+
+ // The indexes of the pages pending download.
+ std::vector<int> pending_pages_;
+
+ // During handling of input events we don't want to unload any pages in
+ // callbacks to us from PDFium, since the current page can change while PDFium
+ // code still has a pointer to it.
+ bool defer_page_unload_;
+ std::vector<int> deferred_page_unloads_;
+
+ // Used for selection. There could be more than one range if selection spans
+ // more than one page.
+ std::vector<PDFiumRange> selection_;
+ // True if we're in the middle of selection.
+ bool selecting_;
+
+ MouseDownState mouse_down_state_;
+
+ // Used for searching.
+ typedef std::vector<PDFiumRange> FindResults;
+ FindResults find_results_;
+ // Which page to search next.
+ int next_page_to_search_;
+ // Where to stop searching.
+ int last_page_to_search_;
+ int last_character_index_to_search_; // -1 if search until end of page.
+ // Which result the user has currently selected.
+ int current_find_index_;
+ // Where to resume searching.
+ int resume_find_index_;
+
+ // Permissions bitfield.
+ unsigned long permissions_;
+
+ // Interface structure to provide access to document stream.
+ FPDF_FILEACCESS file_access_;
+ // Interface structure to check data availability in the document stream.
+ FileAvail file_availability_;
+ // Interface structure to request data chunks from the document stream.
+ DownloadHints download_hints_;
+ // Pointer to the document availability interface.
+ FPDF_AVAIL fpdf_availability_;
+
+ pp::Size default_page_size_;
+
+ // Used to manage timers that form fill API needs. The pair holds the timer
+ // period, in ms, and the callback function.
+ std::map<int, std::pair<int, TimerCallback> > timers_;
+ int next_timer_id_;
+
+ // Holds the page index of the last page that the mouse clicked on.
+ int last_page_mouse_down_;
+
+ // Holds the page index of the first visible page; refreshed by calling
+ // CalculateVisiblePages()
+ int first_visible_page_;
+
+ // Holds the page index of the most visible page; refreshed by calling
+ // CalculateVisiblePages()
+ int most_visible_page_;
+
+ // Set to true after FORM_DoDocumentJSAction/FORM_DoDocumentOpenAction have
+ // been called. Only after that can we call FORM_DoPageAAction.
+ bool called_do_document_action_;
+
+ // Records parts of form fields that need to be highlighted at next paint, in
+ // screen coordinates.
+ std::vector<pp::Rect> form_highlights_;
+
+ // Whether to render in grayscale or in color.
+ bool render_grayscale_;
+
+ // The link currently under the cursor.
+ std::string link_under_cursor_;
+
+ // Pending progressive paints.
+ struct ProgressivePaint {
+ pp::Rect rect; // In screen coordinates.
+ FPDF_BITMAP bitmap;
+ int page_index;
+ // Temporary used to figure out if in a series of Paint() calls whether this
+ // pending paint was updated or not.
+ int painted_;
+ };
+ std::vector<ProgressivePaint> progressive_paints_;
+
+ // Keeps track of when we started the last progressive paint, so that in our
+ // callback we can determine if we need to pause.
+ base::Time last_progressive_start_time_;
+
+ // The timeout to use for the current progressive paint.
+ int progressive_paint_timeout_;
+
+ // Shadow matrix for generating the page shadow bitmap.
+ scoped_ptr<ShadowMatrix> page_shadow_;
+
+ // Set to true if the user is being prompted for their password. Will be set
+ // to false after the user finishes getting their password.
+ bool getting_password_;
+};
+
+// Create a local variable of this when calling PDFium functions which can call
+// our global callback when an unsupported feature is reached.
+class ScopedUnsupportedFeature {
+ public:
+ explicit ScopedUnsupportedFeature(PDFiumEngine* engine);
+ ~ScopedUnsupportedFeature();
+ private:
+ PDFiumEngine* engine_;
+ PDFiumEngine* old_engine_;
+};
+
+class PDFiumEngineExports : public PDFEngineExports {
+ public:
+ PDFiumEngineExports() {}
+#if defined(OS_WIN)
+ // See the definition of RenderPDFPageToDC in pdf.cc for details.
+ virtual bool RenderPDFPageToDC(const void* pdf_buffer,
+ int buffer_size,
+ int page_number,
+ const RenderingSettings& settings,
+ HDC dc);
+#endif // OS_WIN
+ virtual bool RenderPDFPageToBitmap(const void* pdf_buffer,
+ int pdf_buffer_size,
+ int page_number,
+ const RenderingSettings& settings,
+ void* bitmap_buffer);
+
+ virtual bool GetPDFDocInfo(const void* pdf_buffer,
+ int buffer_size,
+ int* page_count,
+ double* max_page_width);
+
+ // See the definition of GetPDFPageSizeByIndex in pdf.cc for details.
+ virtual bool GetPDFPageSizeByIndex(const void* pdf_buffer,
+ int pdf_buffer_size, int page_number,
+ double* width, double* height);
+};
+
+} // namespace chrome_pdf
+
+#endif // PDF_PDFIUM_PDFIUM_ENGINE_H_
diff --git a/xfa_test/pdf/pdfium/pdfium_mem_buffer_file_read.cc b/xfa_test/pdf/pdfium/pdfium_mem_buffer_file_read.cc
new file mode 100644
index 0000000000..b2371b42ff
--- /dev/null
+++ b/xfa_test/pdf/pdfium/pdfium_mem_buffer_file_read.cc
@@ -0,0 +1,34 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "pdf/pdfium/pdfium_mem_buffer_file_read.h"
+
+#include <string.h>
+
+namespace chrome_pdf {
+
+PDFiumMemBufferFileRead::PDFiumMemBufferFileRead(const void* data,
+ size_t size) {
+ m_FileLen = size;
+ m_Param = this;
+ m_GetBlock = &GetBlock;
+ data_ = reinterpret_cast<const unsigned char*>(data);
+}
+
+PDFiumMemBufferFileRead::~PDFiumMemBufferFileRead() {
+}
+
+int PDFiumMemBufferFileRead::GetBlock(void* param,
+ unsigned long position,
+ unsigned char* buf,
+ unsigned long size) {
+ const PDFiumMemBufferFileRead* data =
+ reinterpret_cast<const PDFiumMemBufferFileRead*>(param);
+ if (!data || position + size > data->m_FileLen)
+ return 0;
+ memcpy(buf, data->data_ + position, size);
+ return 1;
+}
+
+} // namespace chrome_pdf
diff --git a/xfa_test/pdf/pdfium/pdfium_mem_buffer_file_read.h b/xfa_test/pdf/pdfium/pdfium_mem_buffer_file_read.h
new file mode 100644
index 0000000000..88ec410a6c
--- /dev/null
+++ b/xfa_test/pdf/pdfium/pdfium_mem_buffer_file_read.h
@@ -0,0 +1,30 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PDF_PDFIUM_PDFIUM_MEM_BUFFER_FILE_READ_H_
+#define PDF_PDFIUM_PDFIUM_MEM_BUFFER_FILE_READ_H_
+
+#include <stdlib.h>
+
+#include "third_party/pdfium/fpdfsdk/include/fpdfview.h"
+
+namespace chrome_pdf {
+
+// Implementation of FPDF_FILEACCESS from a memory buffer.
+class PDFiumMemBufferFileRead : public FPDF_FILEACCESS {
+ public:
+ PDFiumMemBufferFileRead(const void* data, size_t size);
+ ~PDFiumMemBufferFileRead();
+
+ private:
+ static int GetBlock(void* param,
+ unsigned long position,
+ unsigned char* buf,
+ unsigned long size);
+ const unsigned char* data_;
+};
+
+} // namespace chrome_pdf
+
+#endif // PDF_PDFIUM_PDFIUM_MEM_BUFFER_FILE_READ_H_
diff --git a/xfa_test/pdf/pdfium/pdfium_mem_buffer_file_write.cc b/xfa_test/pdf/pdfium/pdfium_mem_buffer_file_write.cc
new file mode 100644
index 0000000000..45e564b67b
--- /dev/null
+++ b/xfa_test/pdf/pdfium/pdfium_mem_buffer_file_write.cc
@@ -0,0 +1,33 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "pdf/pdfium/pdfium_mem_buffer_file_write.h"
+
+namespace chrome_pdf {
+
+PDFiumMemBufferFileWrite::PDFiumMemBufferFileWrite() {
+ version = 1;
+ WriteBlock = &WriteBlockImpl;
+}
+
+PDFiumMemBufferFileWrite::~PDFiumMemBufferFileWrite() {
+}
+
+int PDFiumMemBufferFileWrite::WriteBlockImpl(FPDF_FILEWRITE* this_file_write,
+ const void* data,
+ unsigned long size) {
+ PDFiumMemBufferFileWrite* mem_buffer_file_write =
+ static_cast<PDFiumMemBufferFileWrite*>(this_file_write);
+ return mem_buffer_file_write->DoWriteBlock(data, size);
+}
+
+int PDFiumMemBufferFileWrite::DoWriteBlock(const void* data,
+ unsigned long size) {
+ buffer_.append(static_cast<const unsigned char*>(data), size);
+ return 1;
+}
+
+
+} // namespace chrome_pdf
+
diff --git a/xfa_test/pdf/pdfium/pdfium_mem_buffer_file_write.h b/xfa_test/pdf/pdfium/pdfium_mem_buffer_file_write.h
new file mode 100644
index 0000000000..1795c83e89
--- /dev/null
+++ b/xfa_test/pdf/pdfium/pdfium_mem_buffer_file_write.h
@@ -0,0 +1,34 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PDF_PDFIUM_PDFIUM_MEM_BUFFER_FILE_WRITE_
+#define PDF_PDFIUM_PDFIUM_MEM_BUFFER_FILE_WRITE_
+
+#include <string>
+
+#include "third_party/pdfium/fpdfsdk/include/fpdfsave.h"
+
+namespace chrome_pdf {
+
+// Implementation of FPDF_FILEWRITE into a memory buffer.
+class PDFiumMemBufferFileWrite : public FPDF_FILEWRITE {
+ public:
+ PDFiumMemBufferFileWrite();
+ ~PDFiumMemBufferFileWrite();
+
+ const std::basic_string<unsigned char>& buffer() { return buffer_; }
+ size_t size() { return buffer_.size(); }
+
+ private:
+ int DoWriteBlock(const void* data, unsigned long size);
+ static int WriteBlockImpl(FPDF_FILEWRITE* this_file_write, const void* data,
+ unsigned long size);
+
+ std::basic_string<unsigned char> buffer_;
+};
+
+} // namespace chrome_pdf
+
+#endif // PDF_PDFIUM_PDFIUM_MEM_BUFFER_FILE_WRITE_
+
diff --git a/xfa_test/pdf/pdfium/pdfium_page.cc b/xfa_test/pdf/pdfium/pdfium_page.cc
new file mode 100644
index 0000000000..d8a5dce5a2
--- /dev/null
+++ b/xfa_test/pdf/pdfium/pdfium_page.cc
@@ -0,0 +1,477 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "pdf/pdfium/pdfium_page.h"
+
+#include <math.h>
+
+#include "base/logging.h"
+#include "base/strings/string_number_conversions.h"
+#include "base/strings/string_util.h"
+#include "base/strings/utf_string_conversions.h"
+#include "base/values.h"
+#include "pdf/pdfium/pdfium_engine.h"
+
+// Used when doing hit detection.
+#define kTolerance 20.0
+
+// Dictionary Value key names for returning the accessible page content as JSON.
+const char kPageWidth[] = "width";
+const char kPageHeight[] = "height";
+const char kPageTextBox[] = "textBox";
+const char kTextBoxLeft[] = "left";
+const char kTextBoxTop[] = "top";
+const char kTextBoxWidth[] = "width";
+const char kTextBoxHeight[] = "height";
+const char kTextBoxFontSize[] = "fontSize";
+const char kTextBoxNodes[] = "textNodes";
+const char kTextNodeType[] = "type";
+const char kTextNodeText[] = "text";
+const char kTextNodeURL[] = "url";
+const char kTextNodeTypeText[] = "text";
+const char kTextNodeTypeURL[] = "url";
+const char kDocLinkURLPrefix[] = "#page";
+
+namespace chrome_pdf {
+
+PDFiumPage::PDFiumPage(PDFiumEngine* engine,
+ int i,
+ const pp::Rect& r,
+ bool available)
+ : engine_(engine),
+ page_(NULL),
+ text_page_(NULL),
+ index_(i),
+ rect_(r),
+ calculated_links_(false),
+ available_(available) {
+}
+
+PDFiumPage::~PDFiumPage() {
+}
+
+void PDFiumPage::Unload() {
+ if (text_page_) {
+ FPDFText_ClosePage(text_page_);
+ text_page_ = NULL;
+ }
+
+ if (page_) {
+ if (engine_->form()) {
+ FORM_OnBeforeClosePage(page_, engine_->form());
+ }
+ FPDF_ClosePage(page_);
+ page_ = NULL;
+ }
+}
+
+FPDF_PAGE PDFiumPage::GetPage() {
+ ScopedUnsupportedFeature scoped_unsupported_feature(engine_);
+ if (!available_)
+ return NULL;
+ if (!page_) {
+ page_ = FPDF_LoadPage(engine_->doc(), index_);
+ if (page_ && engine_->form()) {
+ FORM_OnAfterLoadPage(page_, engine_->form());
+ }
+ }
+ return page_;
+}
+
+FPDF_PAGE PDFiumPage::GetPrintPage() {
+ ScopedUnsupportedFeature scoped_unsupported_feature(engine_);
+ if (!available_)
+ return NULL;
+ if (!page_)
+ page_ = FPDF_LoadPage(engine_->doc(), index_);
+ return page_;
+}
+
+void PDFiumPage::ClosePrintPage() {
+ if (page_) {
+ FPDF_ClosePage(page_);
+ page_ = NULL;
+ }
+}
+
+FPDF_TEXTPAGE PDFiumPage::GetTextPage() {
+ if (!available_)
+ return NULL;
+ if (!text_page_)
+ text_page_ = FPDFText_LoadPage(GetPage());
+ return text_page_;
+}
+
+base::Value* PDFiumPage::GetAccessibleContentAsValue(int rotation) {
+ base::DictionaryValue* node = new base::DictionaryValue();
+
+ if (!available_)
+ return node;
+
+ double width = FPDF_GetPageWidth(GetPage());
+ double height = FPDF_GetPageHeight(GetPage());
+
+ base::ListValue* text = new base::ListValue();
+ int box_count = FPDFText_CountRects(GetTextPage(), 0, GetCharCount());
+ for (int i = 0; i < box_count; i++) {
+ double left, top, right, bottom;
+ FPDFText_GetRect(GetTextPage(), i, &left, &top, &right, &bottom);
+ text->Append(
+ GetTextBoxAsValue(height, left, top, right, bottom, rotation));
+ }
+
+ node->SetDouble(kPageWidth, width);
+ node->SetDouble(kPageHeight, height);
+ node->Set(kPageTextBox, text); // Takes ownership of |text|
+
+ return node;
+}
+
+base::Value* PDFiumPage::GetTextBoxAsValue(double page_height,
+ double left, double top,
+ double right, double bottom,
+ int rotation) {
+ base::string16 text_utf16;
+ int char_count =
+ FPDFText_GetBoundedText(GetTextPage(), left, top, right, bottom, NULL, 0);
+ if (char_count > 0) {
+ unsigned short* data = reinterpret_cast<unsigned short*>(
+ WriteInto(&text_utf16, char_count + 1));
+ FPDFText_GetBoundedText(GetTextPage(),
+ left, top, right, bottom,
+ data, char_count);
+ }
+ std::string text_utf8 = base::UTF16ToUTF8(text_utf16);
+
+ FPDF_LINK link = FPDFLink_GetLinkAtPoint(GetPage(), left, top);
+ Area area;
+ std::vector<LinkTarget> targets;
+ if (link) {
+ targets.push_back(LinkTarget());
+ area = GetLinkTarget(link, &targets[0]);
+ } else {
+ pp::Rect rect(
+ PageToScreen(pp::Point(), 1.0, left, top, right, bottom, rotation));
+ GetLinks(rect, &targets);
+ area = targets.size() == 0 ? TEXT_AREA : WEBLINK_AREA;
+ }
+
+ int char_index = FPDFText_GetCharIndexAtPos(GetTextPage(), left, top,
+ kTolerance, kTolerance);
+ double font_size = FPDFText_GetFontSize(GetTextPage(), char_index);
+
+ base::DictionaryValue* node = new base::DictionaryValue();
+ node->SetDouble(kTextBoxLeft, left);
+ node->SetDouble(kTextBoxTop, page_height - top);
+ node->SetDouble(kTextBoxWidth, right - left);
+ node->SetDouble(kTextBoxHeight, top - bottom);
+ node->SetDouble(kTextBoxFontSize, font_size);
+
+ base::ListValue* text_nodes = new base::ListValue();
+
+ if (area == DOCLINK_AREA) {
+ std::string url = kDocLinkURLPrefix + base::IntToString(targets[0].page);
+ text_nodes->Append(CreateURLNode(text_utf8, url));
+ } else if (area == WEBLINK_AREA && link) {
+ text_nodes->Append(CreateURLNode(text_utf8, targets[0].url));
+ } else if (area == WEBLINK_AREA && !link) {
+ size_t start = 0;
+ for (size_t i = 0; i < targets.size(); ++i) {
+ // Remove the extra NULL character at end.
+ // Otherwise, find() will not return any matches.
+ if (targets[i].url.size() > 0 &&
+ targets[i].url[targets[i].url.size() - 1] == '\0') {
+ targets[i].url.resize(targets[i].url.size() - 1);
+ }
+ // There should only ever be one NULL character
+ DCHECK(targets[i].url[targets[i].url.size() - 1] != '\0');
+
+ // PDFium may change the case of generated links.
+ std::string lowerCaseURL = base::StringToLowerASCII(targets[i].url);
+ std::string lowerCaseText = base::StringToLowerASCII(text_utf8);
+ size_t pos = lowerCaseText.find(lowerCaseURL, start);
+ size_t length = targets[i].url.size();
+ if (pos == std::string::npos) {
+ // Check if the link is a "mailto:" URL
+ if (lowerCaseURL.compare(0, 7, "mailto:") == 0) {
+ pos = lowerCaseText.find(lowerCaseURL.substr(7), start);
+ length -= 7;
+ }
+
+ if (pos == std::string::npos) {
+ // No match has been found. This should never happen.
+ continue;
+ }
+ }
+
+ std::string before_text = text_utf8.substr(start, pos - start);
+ if (before_text.size() > 0)
+ text_nodes->Append(CreateTextNode(before_text));
+ std::string link_text = text_utf8.substr(pos, length);
+ text_nodes->Append(CreateURLNode(link_text, targets[i].url));
+
+ start = pos + length;
+ }
+ std::string before_text = text_utf8.substr(start);
+ if (before_text.size() > 0)
+ text_nodes->Append(CreateTextNode(before_text));
+ } else {
+ text_nodes->Append(CreateTextNode(text_utf8));
+ }
+
+ node->Set(kTextBoxNodes, text_nodes); // Takes ownership of |text_nodes|.
+ return node;
+}
+
+base::Value* PDFiumPage::CreateTextNode(std::string text) {
+ base::DictionaryValue* node = new base::DictionaryValue();
+ node->SetString(kTextNodeType, kTextNodeTypeText);
+ node->SetString(kTextNodeText, text);
+ return node;
+}
+
+base::Value* PDFiumPage::CreateURLNode(std::string text, std::string url) {
+ base::DictionaryValue* node = new base::DictionaryValue();
+ node->SetString(kTextNodeType, kTextNodeTypeURL);
+ node->SetString(kTextNodeText, text);
+ node->SetString(kTextNodeURL, url);
+ return node;
+}
+
+PDFiumPage::Area PDFiumPage::GetCharIndex(const pp::Point& point,
+ int rotation,
+ int* char_index,
+ LinkTarget* target) {
+ if (!available_)
+ return NONSELECTABLE_AREA;
+ pp::Point point2 = point - rect_.point();
+ double new_x, new_y;
+ FPDF_DeviceToPage(GetPage(), 0, 0, rect_.width(), rect_.height(),
+ rotation, point2.x(), point2.y(), &new_x, &new_y);
+
+ int rv = FPDFText_GetCharIndexAtPos(
+ GetTextPage(), new_x, new_y, kTolerance, kTolerance);
+ *char_index = rv;
+
+ FPDF_LINK link = FPDFLink_GetLinkAtPoint(GetPage(), new_x, new_y);
+ if (link) {
+ // We don't handle all possible link types of the PDF. For example,
+ // launch actions, cross-document links, etc.
+ // In that case, GetLinkTarget() will return NONSELECTABLE_AREA
+ // and we should proceed with area detection.
+ PDFiumPage::Area area = GetLinkTarget(link, target);
+ if (area != PDFiumPage::NONSELECTABLE_AREA)
+ return area;
+ }
+
+ if (rv < 0)
+ return NONSELECTABLE_AREA;
+
+ return GetLink(*char_index, target) != -1 ? WEBLINK_AREA : TEXT_AREA;
+}
+
+base::char16 PDFiumPage::GetCharAtIndex(int index) {
+ if (!available_)
+ return L'\0';
+ return static_cast<base::char16>(FPDFText_GetUnicode(GetTextPage(), index));
+}
+
+int PDFiumPage::GetCharCount() {
+ if (!available_)
+ return 0;
+ return FPDFText_CountChars(GetTextPage());
+}
+
+PDFiumPage::Area PDFiumPage::GetLinkTarget(
+ FPDF_LINK link, PDFiumPage::LinkTarget* target) {
+ FPDF_DEST dest = FPDFLink_GetDest(engine_->doc(), link);
+ if (dest != NULL)
+ return GetDestinationTarget(dest, target);
+
+ FPDF_ACTION action = FPDFLink_GetAction(link);
+ if (action) {
+ switch (FPDFAction_GetType(action)) {
+ case PDFACTION_GOTO: {
+ FPDF_DEST dest = FPDFAction_GetDest(engine_->doc(), action);
+ if (dest)
+ return GetDestinationTarget(dest, target);
+ // TODO(gene): We don't fully support all types of the in-document
+ // links. Need to implement that. There is a bug to track that:
+ // http://code.google.com/p/chromium/issues/detail?id=55776
+ } break;
+ case PDFACTION_URI: {
+ if (target) {
+ size_t buffer_size =
+ FPDFAction_GetURIPath(engine_->doc(), action, NULL, 0);
+ if (buffer_size > 1) {
+ void* data = WriteInto(&target->url, buffer_size + 1);
+ FPDFAction_GetURIPath(engine_->doc(), action, data, buffer_size);
+ }
+ }
+ return WEBLINK_AREA;
+ } break;
+ // TODO(gene): We don't support PDFACTION_REMOTEGOTO and PDFACTION_LAUNCH
+ // at the moment.
+ }
+ }
+
+ return NONSELECTABLE_AREA;
+}
+
+PDFiumPage::Area PDFiumPage::GetDestinationTarget(
+ FPDF_DEST destination, PDFiumPage::LinkTarget* target) {
+ int page_index = FPDFDest_GetPageIndex(engine_->doc(), destination);
+ if (target) {
+ target->page = page_index;
+ }
+ return DOCLINK_AREA;
+}
+
+int PDFiumPage::GetLink(int char_index, PDFiumPage::LinkTarget* target) {
+ if (!available_)
+ return -1;
+
+ CalculateLinks();
+
+ // Get the bounding box of the rect again, since it might have moved because
+ // of the tolerance above.
+ double left, right, bottom, top;
+ FPDFText_GetCharBox(GetTextPage(), char_index, &left, &right, &bottom, &top);
+
+ pp::Point origin(
+ PageToScreen(pp::Point(), 1.0, left, top, right, bottom, 0).point());
+ for (size_t i = 0; i < links_.size(); ++i) {
+ for (size_t j = 0; j < links_[i].rects.size(); ++j) {
+ if (links_[i].rects[j].Contains(origin)) {
+ if (target)
+ target->url = links_[i].url;
+ return i;
+ }
+ }
+ }
+ return -1;
+}
+
+std::vector<int> PDFiumPage::GetLinks(pp::Rect text_area,
+ std::vector<LinkTarget>* targets) {
+ if (!available_)
+ return std::vector<int>();
+
+ CalculateLinks();
+
+ std::vector<int> links;
+
+ for (size_t i = 0; i < links_.size(); ++i) {
+ for (size_t j = 0; j < links_[i].rects.size(); ++j) {
+ if (links_[i].rects[j].Intersects(text_area)) {
+ if (targets) {
+ LinkTarget target;
+ target.url = links_[i].url;
+ targets->push_back(target);
+ }
+ links.push_back(i);
+ }
+ }
+ }
+ return links;
+}
+
+void PDFiumPage::CalculateLinks() {
+ if (calculated_links_)
+ return;
+
+ calculated_links_ = true;
+ FPDF_PAGELINK links = FPDFLink_LoadWebLinks(GetTextPage());
+ int count = FPDFLink_CountWebLinks(links);
+ for (int i = 0; i < count; ++i) {
+ base::string16 url;
+ int url_length = FPDFLink_GetURL(links, i, NULL, 0);
+ if (url_length > 1) { // WriteInto needs at least 2 characters.
+ unsigned short* data =
+ reinterpret_cast<unsigned short*>(WriteInto(&url, url_length + 1));
+ FPDFLink_GetURL(links, i, data, url_length);
+ }
+ Link link;
+ link.url = base::UTF16ToUTF8(url);
+
+ // If the link cannot be converted to a pp::Var, then it is not possible to
+ // pass it to JS. In this case, ignore the link like other PDF viewers.
+ // See http://crbug.com/312882 for an example.
+ pp::Var link_var(link.url);
+ if (!link_var.is_string())
+ continue;
+
+ // Make sure all the characters in the URL are valid per RFC 1738.
+ // http://crbug.com/340326 has a sample bad PDF.
+ // GURL does not work correctly, e.g. it just strips \t \r \n.
+ bool is_invalid_url = false;
+ for (size_t j = 0; j < link.url.length(); ++j) {
+ // Control characters are not allowed.
+ // 0x7F is also a control character.
+ // 0x80 and above are not in US-ASCII.
+ if (link.url[j] < ' ' || link.url[j] >= '\x7F') {
+ is_invalid_url = true;
+ break;
+ }
+ }
+ if (is_invalid_url)
+ continue;
+
+ int rect_count = FPDFLink_CountRects(links, i);
+ for (int j = 0; j < rect_count; ++j) {
+ double left, top, right, bottom;
+ FPDFLink_GetRect(links, i, j, &left, &top, &right, &bottom);
+ link.rects.push_back(
+ PageToScreen(pp::Point(), 1.0, left, top, right, bottom, 0));
+ }
+ links_.push_back(link);
+ }
+ FPDFLink_CloseWebLinks(links);
+}
+
+pp::Rect PDFiumPage::PageToScreen(const pp::Point& offset,
+ double zoom,
+ double left,
+ double top,
+ double right,
+ double bottom,
+ int rotation) {
+ if (!available_)
+ return pp::Rect();
+
+ int new_left, new_top, new_right, new_bottom;
+ FPDF_PageToDevice(
+ page_,
+ static_cast<int>((rect_.x() - offset.x()) * zoom),
+ static_cast<int>((rect_.y() - offset.y()) * zoom),
+ static_cast<int>(ceil(rect_.width() * zoom)),
+ static_cast<int>(ceil(rect_.height() * zoom)),
+ rotation, left, top, &new_left, &new_top);
+ FPDF_PageToDevice(
+ page_,
+ static_cast<int>((rect_.x() - offset.x()) * zoom),
+ static_cast<int>((rect_.y() - offset.y()) * zoom),
+ static_cast<int>(ceil(rect_.width() * zoom)),
+ static_cast<int>(ceil(rect_.height() * zoom)),
+ rotation, right, bottom, &new_right, &new_bottom);
+
+ // If the PDF is rotated, the horizontal/vertical coordinates could be
+ // flipped. See
+ // http://www.netl.doe.gov/publications/proceedings/03/ubc/presentations/Goeckner-pres.pdf
+ if (new_right < new_left)
+ std::swap(new_right, new_left);
+ if (new_bottom < new_top)
+ std::swap(new_bottom, new_top);
+
+ return pp::Rect(
+ new_left, new_top, new_right - new_left + 1, new_bottom - new_top + 1);
+}
+
+PDFiumPage::Link::Link() {
+}
+
+PDFiumPage::Link::~Link() {
+}
+
+} // namespace chrome_pdf
diff --git a/xfa_test/pdf/pdfium/pdfium_page.h b/xfa_test/pdf/pdfium/pdfium_page.h
new file mode 100644
index 0000000000..22ea142988
--- /dev/null
+++ b/xfa_test/pdf/pdfium/pdfium_page.h
@@ -0,0 +1,136 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PDF_PDFIUM_PDFIUM_PAGE_H_
+#define PDF_PDFIUM_PDFIUM_PAGE_H_
+
+#include <string>
+#include <vector>
+
+#include "base/strings/string16.h"
+#include "ppapi/cpp/rect.h"
+#include "third_party/pdfium/fpdfsdk/include/fpdfdoc.h"
+#include "third_party/pdfium/fpdfsdk/include/fpdfformfill.h"
+#include "third_party/pdfium/fpdfsdk/include/fpdftext.h"
+
+namespace base {
+class Value;
+}
+
+namespace chrome_pdf {
+
+class PDFiumEngine;
+
+// Wrapper around a page from the document.
+class PDFiumPage {
+ public:
+ PDFiumPage(PDFiumEngine* engine,
+ int i,
+ const pp::Rect& r,
+ bool available);
+ ~PDFiumPage();
+ // Unloads the PDFium data for this page from memory.
+ void Unload();
+ // Gets the FPDF_PAGE for this page, loading and parsing it if necessary.
+ FPDF_PAGE GetPage();
+ //Get the FPDF_PAGE for printing.
+ FPDF_PAGE GetPrintPage();
+ //Close the printing page.
+ void ClosePrintPage();
+
+ // Returns FPDF_TEXTPAGE for the page, loading and parsing it if necessary.
+ FPDF_TEXTPAGE GetTextPage();
+
+ // Returns a DictionaryValue version of the page.
+ base::Value* GetAccessibleContentAsValue(int rotation);
+
+ enum Area {
+ NONSELECTABLE_AREA,
+ TEXT_AREA,
+ WEBLINK_AREA, // Area is a hyperlink.
+ DOCLINK_AREA, // Area is a link to a different part of the same document.
+ };
+
+ struct LinkTarget {
+ // We are using std::string here which have a copy contructor.
+ // That prevents us from using union here.
+ std::string url; // Valid for WEBLINK_AREA only.
+ int page; // Valid for DOCLINK_AREA only.
+ };
+
+ // Given a point in the document that's in this page, returns its character
+ // index if it's near a character, and also the type of text.
+ // Target is optional. It will be filled in for WEBLINK_AREA or
+ // DOCLINK_AREA only.
+ Area GetCharIndex(const pp::Point& point, int rotation, int* char_index,
+ LinkTarget* target);
+
+ // Gets the character at the given index.
+ base::char16 GetCharAtIndex(int index);
+
+ // Gets the number of characters in the page.
+ int GetCharCount();
+
+ // Converts from page coordinates to screen coordinates.
+ pp::Rect PageToScreen(const pp::Point& offset,
+ double zoom,
+ double left,
+ double top,
+ double right,
+ double bottom,
+ int rotation);
+
+ int index() const { return index_; }
+ pp::Rect rect() const { return rect_; }
+ void set_rect(const pp::Rect& r) { rect_ = r; }
+ bool available() const { return available_; }
+ void set_available(bool available) { available_ = available; }
+ void set_calculated_links(bool calculated_links) {
+ calculated_links_ = calculated_links;
+ }
+
+ private:
+ // Returns a link index if the given character index is over a link, or -1
+ // otherwise.
+ int GetLink(int char_index, LinkTarget* target);
+ // Returns the link indices if the given rect intersects a link rect, or an
+ // empty vector otherwise.
+ std::vector<int> GetLinks(pp::Rect text_area,
+ std::vector<LinkTarget>* targets);
+ // Calculate the locations of any links on the page.
+ void CalculateLinks();
+ // Returns link type and target associated with a link. Returns
+ // NONSELECTABLE_AREA if link detection failed.
+ Area GetLinkTarget(FPDF_LINK link, LinkTarget* target);
+ // Returns target associated with a destination.
+ Area GetDestinationTarget(FPDF_DEST destination, LinkTarget* target);
+ // Returns the text in the supplied box as a Value Node
+ base::Value* GetTextBoxAsValue(double page_height, double left, double top,
+ double right, double bottom, int rotation);
+ // Helper functions for JSON generation
+ base::Value* CreateTextNode(std::string text);
+ base::Value* CreateURLNode(std::string text, std::string url);
+
+ struct Link {
+ Link();
+ ~Link();
+
+ std::string url;
+ // Bounding rectangles of characters.
+ std::vector<pp::Rect> rects;
+ };
+
+ PDFiumEngine* engine_;
+ FPDF_PAGE page_;
+ FPDF_TEXTPAGE text_page_;
+ int index_;
+ pp::Rect rect_;
+ bool calculated_links_;
+ std::vector<Link> links_;
+ bool available_;
+};
+
+} // namespace chrome_pdf
+
+#endif // PDF_PDFIUM_PDFIUM_PAGE_H_
diff --git a/xfa_test/pdf/pdfium/pdfium_range.cc b/xfa_test/pdf/pdfium/pdfium_range.cc
new file mode 100644
index 0000000000..c77d5906dd
--- /dev/null
+++ b/xfa_test/pdf/pdfium/pdfium_range.cc
@@ -0,0 +1,79 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "pdf/pdfium/pdfium_range.h"
+
+#include "base/logging.h"
+#include "base/strings/string_util.h"
+
+namespace chrome_pdf {
+
+PDFiumRange::PDFiumRange(PDFiumPage* page, int char_index, int char_count)
+ : page_(page),
+ char_index_(char_index),
+ char_count_(char_count),
+ cached_screen_rects_zoom_(0) {
+}
+
+PDFiumRange::~PDFiumRange() {
+}
+
+void PDFiumRange::SetCharCount(int char_count) {
+ char_count_ = char_count;
+
+ cached_screen_rects_offset_ = pp::Point();
+ cached_screen_rects_zoom_ = 0;
+}
+
+std::vector<pp::Rect> PDFiumRange::GetScreenRects(const pp::Point& offset,
+ double zoom,
+ int rotation) {
+ if (offset == cached_screen_rects_offset_ &&
+ zoom == cached_screen_rects_zoom_) {
+ return cached_screen_rects_;
+ }
+
+ cached_screen_rects_.clear();
+ cached_screen_rects_offset_ = offset;
+ cached_screen_rects_zoom_ = zoom;
+
+ int char_index = char_index_;
+ int char_count = char_count_;
+ if (char_count < 0) {
+ char_count *= -1;
+ char_index -= char_count - 1;
+ }
+
+ int count = FPDFText_CountRects(page_->GetTextPage(), char_index, char_count);
+ for (int i = 0; i < count; ++i) {
+ double left, top, right, bottom;
+ FPDFText_GetRect(page_->GetTextPage(), i, &left, &top, &right, &bottom);
+ cached_screen_rects_.push_back(
+ page_->PageToScreen(offset, zoom, left, top, right, bottom, rotation));
+ }
+
+ return cached_screen_rects_;
+}
+
+base::string16 PDFiumRange::GetText() {
+ int index = char_index_;
+ int count = char_count_;
+ if (!count)
+ return base::string16();
+ if (count < 0) {
+ count *= -1;
+ index -= count - 1;
+ }
+
+ base::string16 rv;
+ unsigned short* data =
+ reinterpret_cast<unsigned short*>(WriteInto(&rv, count + 1));
+ if (data) {
+ int written = FPDFText_GetText(page_->GetTextPage(), index, count, data);
+ rv.reserve(written);
+ }
+ return rv;
+}
+
+} // namespace chrome_pdf
diff --git a/xfa_test/pdf/pdfium/pdfium_range.h b/xfa_test/pdf/pdfium/pdfium_range.h
new file mode 100644
index 0000000000..ed8daf65bb
--- /dev/null
+++ b/xfa_test/pdf/pdfium/pdfium_range.h
@@ -0,0 +1,54 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PDF_PDFIUM_PDFIUM_RANGE_H_
+#define PDF_PDFIUM_PDFIUM_RANGE_H_
+
+#include <string>
+#include <vector>
+
+#include "base/strings/string16.h"
+#include "pdf/pdfium/pdfium_page.h"
+#include "ppapi/cpp/rect.h"
+
+namespace chrome_pdf {
+
+// Describes location of a string of characters.
+class PDFiumRange {
+ public:
+ PDFiumRange(PDFiumPage* page, int char_index, int char_count);
+ ~PDFiumRange();
+
+ // Update how many characters are in the selection. Could be negative if
+ // backwards.
+ void SetCharCount(int char_count);
+
+ int page_index() const { return page_->index(); }
+ int char_index() const { return char_index_; }
+ int char_count() const { return char_count_; }
+
+ // Gets bounding rectangles of range in screen coordinates.
+ std::vector<pp::Rect> GetScreenRects(const pp::Point& offset,
+ double zoom,
+ int rotation);
+
+ // Gets the string of characters in this range.
+ base::string16 GetText();
+
+ private:
+ PDFiumPage* page_;
+ // Index of first character.
+ int char_index_;
+ // How many characters are part of this range (negative if backwards).
+ int char_count_;
+
+ // Cache of ScreenRect, and the associated variables used when caching it.
+ std::vector<pp::Rect> cached_screen_rects_;
+ pp::Point cached_screen_rects_offset_;
+ double cached_screen_rects_zoom_;
+};
+
+} // namespace chrome_pdf
+
+#endif // PDF_PDFIUM_PDFIUM_RANGE_H_
diff --git a/xfa_test/pdf/preview_mode_client.cc b/xfa_test/pdf/preview_mode_client.cc
new file mode 100644
index 0000000000..8b9919b46e
--- /dev/null
+++ b/xfa_test/pdf/preview_mode_client.cc
@@ -0,0 +1,162 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "pdf/preview_mode_client.h"
+
+#include "base/logging.h"
+#include "pdf/instance.h"
+
+namespace chrome_pdf {
+
+PreviewModeClient::PreviewModeClient(Client* client)
+ : client_(client) {
+}
+
+void PreviewModeClient::DocumentSizeUpdated(const pp::Size& size) {
+}
+
+void PreviewModeClient::Invalidate(const pp::Rect& rect) {
+ NOTREACHED();
+}
+
+void PreviewModeClient::Scroll(const pp::Point& point) {
+ NOTREACHED();
+}
+
+void PreviewModeClient::ScrollToX(int position) {
+ NOTREACHED();
+}
+
+void PreviewModeClient::ScrollToY(int position) {
+ NOTREACHED();
+}
+
+void PreviewModeClient::ScrollToPage(int page) {
+ NOTREACHED();
+}
+
+void PreviewModeClient::NavigateTo(const std::string& url,
+ bool open_in_new_tab) {
+ NOTREACHED();
+}
+
+void PreviewModeClient::UpdateCursor(PP_CursorType_Dev cursor) {
+ NOTREACHED();
+}
+
+void PreviewModeClient::UpdateTickMarks(
+ const std::vector<pp::Rect>& tickmarks) {
+ NOTREACHED();
+}
+
+void PreviewModeClient::NotifyNumberOfFindResultsChanged(int total,
+ bool final_result) {
+ NOTREACHED();
+}
+
+void PreviewModeClient::NotifySelectedFindResultChanged(
+ int current_find_index) {
+ NOTREACHED();
+}
+
+void PreviewModeClient::GetDocumentPassword(
+ pp::CompletionCallbackWithOutput<pp::Var> callback) {
+ callback.Run(PP_ERROR_FAILED);
+}
+
+void PreviewModeClient::Alert(const std::string& message) {
+ NOTREACHED();
+}
+
+bool PreviewModeClient::Confirm(const std::string& message) {
+ NOTREACHED();
+ return false;
+}
+
+std::string PreviewModeClient::Prompt(const std::string& question,
+ const std::string& default_answer) {
+ NOTREACHED();
+ return std::string();
+}
+
+std::string PreviewModeClient::GetURL() {
+ NOTREACHED();
+ return std::string();
+}
+
+void PreviewModeClient::Email(const std::string& to,
+ const std::string& cc,
+ const std::string& bcc,
+ const std::string& subject,
+ const std::string& body) {
+ NOTREACHED();
+}
+
+void PreviewModeClient::Print() {
+ NOTREACHED();
+}
+
+void PreviewModeClient::SubmitForm(const std::string& url,
+ const void* data,
+ int length) {
+ NOTREACHED();
+}
+
+std::string PreviewModeClient::ShowFileSelectionDialog() {
+ NOTREACHED();
+ return std::string();
+}
+
+pp::URLLoader PreviewModeClient::CreateURLLoader() {
+ NOTREACHED();
+ return pp::URLLoader();
+}
+
+void PreviewModeClient::ScheduleCallback(int id, int delay_in_ms) {
+ NOTREACHED();
+}
+
+void PreviewModeClient::SearchString(const base::char16* string,
+ const base::char16* term,
+ bool case_sensitive,
+ std::vector<SearchStringResult>* results) {
+ NOTREACHED();
+}
+
+void PreviewModeClient::DocumentPaintOccurred() {
+ NOTREACHED();
+}
+
+void PreviewModeClient::DocumentLoadComplete(int page_count) {
+ client_->PreviewDocumentLoadComplete();
+}
+
+void PreviewModeClient::DocumentLoadFailed() {
+ client_->PreviewDocumentLoadFailed();
+}
+
+pp::Instance* PreviewModeClient::GetPluginInstance() {
+ NOTREACHED();
+ return NULL;
+}
+
+void PreviewModeClient::DocumentHasUnsupportedFeature(
+ const std::string& feature) {
+ NOTREACHED();
+}
+
+void PreviewModeClient::DocumentLoadProgress(uint32 available,
+ uint32 doc_size) {
+}
+
+void PreviewModeClient::FormTextFieldFocusChange(bool in_focus) {
+ NOTREACHED();
+}
+
+bool PreviewModeClient::IsPrintPreview() {
+ NOTREACHED();
+ return false;
+}
+
+} // namespace chrome_pdf
diff --git a/xfa_test/pdf/preview_mode_client.h b/xfa_test/pdf/preview_mode_client.h
new file mode 100644
index 0000000000..0e766f949f
--- /dev/null
+++ b/xfa_test/pdf/preview_mode_client.h
@@ -0,0 +1,77 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PDF_PREVIEW_MODE_CLIENT_H_
+#define PDF_PREVIEW_MODE_CLIENT_H_
+
+#include <string>
+#include <vector>
+
+#include "pdf/pdf_engine.h"
+
+namespace chrome_pdf {
+
+// The interface that's provided to the print preview rendering engine.
+class PreviewModeClient : public PDFEngine::Client {
+ public:
+ class Client {
+ public:
+ virtual void PreviewDocumentLoadFailed() = 0;
+ virtual void PreviewDocumentLoadComplete() = 0;
+ };
+ explicit PreviewModeClient(Client* client);
+ virtual ~PreviewModeClient() {}
+
+ // PDFEngine::Client implementation.
+ virtual void DocumentSizeUpdated(const pp::Size& size);
+ virtual void Invalidate(const pp::Rect& rect);
+ virtual void Scroll(const pp::Point& point);
+ virtual void ScrollToX(int position);
+ virtual void ScrollToY(int position);
+ virtual void ScrollToPage(int page);
+ virtual void NavigateTo(const std::string& url, bool open_in_new_tab);
+ virtual void UpdateCursor(PP_CursorType_Dev cursor);
+ virtual void UpdateTickMarks(const std::vector<pp::Rect>& tickmarks);
+ virtual void NotifyNumberOfFindResultsChanged(int total,
+ bool final_result);
+ virtual void NotifySelectedFindResultChanged(int current_find_index);
+ virtual void GetDocumentPassword(
+ pp::CompletionCallbackWithOutput<pp::Var> callback);
+ virtual void Alert(const std::string& message);
+ virtual bool Confirm(const std::string& message);
+ virtual std::string Prompt(const std::string& question,
+ const std::string& default_answer);
+ virtual std::string GetURL();
+ virtual void Email(const std::string& to,
+ const std::string& cc,
+ const std::string& bcc,
+ const std::string& subject,
+ const std::string& body);
+ virtual void Print();
+ virtual void SubmitForm(const std::string& url,
+ const void* data,
+ int length);
+ virtual std::string ShowFileSelectionDialog();
+ virtual pp::URLLoader CreateURLLoader();
+ virtual void ScheduleCallback(int id, int delay_in_ms);
+ virtual void SearchString(const base::char16* string,
+ const base::char16* term,
+ bool case_sensitive,
+ std::vector<SearchStringResult>* results);
+ virtual void DocumentPaintOccurred();
+ virtual void DocumentLoadComplete(int page_count);
+ virtual void DocumentLoadFailed();
+ virtual pp::Instance* GetPluginInstance();
+ virtual void DocumentHasUnsupportedFeature(const std::string& feature);
+ virtual void DocumentLoadProgress(uint32 available, uint32 doc_size);
+ virtual void FormTextFieldFocusChange(bool in_focus);
+ virtual bool IsPrintPreview();
+
+ private:
+ Client* client_;
+};
+
+} // namespace chrome_pdf
+
+#endif // PDF_PREVIEW_MODE_CLIENT_H_
diff --git a/xfa_test/pdf/progress_control.cc b/xfa_test/pdf/progress_control.cc
new file mode 100644
index 0000000000..2c2bca4e42
--- /dev/null
+++ b/xfa_test/pdf/progress_control.cc
@@ -0,0 +1,283 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "pdf/progress_control.h"
+
+#include <algorithm>
+
+#include "base/logging.h"
+#include "pdf/draw_utils.h"
+#include "pdf/resource_consts.h"
+#include "ppapi/cpp/dev/font_dev.h"
+
+namespace chrome_pdf {
+
+const double ProgressControl::kCompleted = 100.0;
+
+// There is a bug outputting text with alpha 0xFF (opaque) to an intermediate
+// image. It outputs alpha channgel of the text pixels to 0xFF (transparent).
+// And it breaks next alpha blending.
+// For now, let's use alpha 0xFE to work around this bug.
+// TODO(gene): investigate this bug.
+const uint32 kProgressTextColor = 0xFEDDE6FC;
+const uint32 kProgressTextSize = 16;
+const uint32 kImageTextSpacing = 8;
+const uint32 kTopPadding = 8;
+const uint32 kBottomPadding = 12;
+const uint32 kLeftPadding = 10;
+const uint32 kRightPadding = 10;
+
+int ScaleInt(int val, float scale) {
+ return static_cast<int>(val * scale);
+}
+
+ProgressControl::ProgressControl()
+ : progress_(0.0),
+ device_scale_(1.0) {
+}
+
+ProgressControl::~ProgressControl() {
+}
+
+bool ProgressControl::CreateProgressControl(
+ uint32 id,
+ bool visible,
+ Control::Owner* delegate,
+ double progress,
+ float device_scale,
+ const std::vector<pp::ImageData>& images,
+ const pp::ImageData& background,
+ const std::string& text) {
+ progress_ = progress;
+ text_ = text;
+ bool res = Control::Create(id, pp::Rect(), visible, delegate);
+ if (res)
+ Reconfigure(background, images, device_scale);
+ return res;
+}
+
+void ProgressControl::Reconfigure(const pp::ImageData& background,
+ const std::vector<pp::ImageData>& images,
+ float device_scale) {
+ DCHECK(images.size() != 0);
+ images_ = images;
+ background_ = background;
+ device_scale_ = device_scale;
+ pp::Size ctrl_size;
+ CalculateLayout(owner()->GetInstance(), images_, background_, text_,
+ device_scale_, &ctrl_size, &image_rc_, &text_rc_);
+ pp::Rect rc(pp::Point(), ctrl_size);
+ Control::SetRect(rc, false);
+ PrepareBackground();
+}
+
+// static
+void ProgressControl::CalculateLayout(pp::Instance* instance,
+ const std::vector<pp::ImageData>& images,
+ const pp::ImageData& background,
+ const std::string& text,
+ float device_scale,
+ pp::Size* ctrl_size,
+ pp::Rect* image_rc,
+ pp::Rect* text_rc) {
+ DCHECK(images.size() != 0);
+ int image_width = 0;
+ int image_height = 0;
+ for (size_t i = 0; i < images.size(); i++) {
+ image_width = std::max(image_width, images[i].size().width());
+ image_height = std::max(image_height, images[i].size().height());
+ }
+
+ pp::FontDescription_Dev description;
+ description.set_family(PP_FONTFAMILY_SANSSERIF);
+ description.set_size(ScaleInt(kProgressTextSize, device_scale));
+ description.set_weight(PP_FONTWEIGHT_BOLD);
+ pp::Font_Dev font(instance, description);
+ int text_length = font.MeasureSimpleText(text);
+
+ pp::FontDescription_Dev desc;
+ PP_FontMetrics_Dev metrics;
+ font.Describe(&desc, &metrics);
+ int text_height = metrics.height;
+
+ *ctrl_size = pp::Size(
+ image_width + text_length +
+ ScaleInt(kImageTextSpacing + kLeftPadding + kRightPadding, device_scale),
+ std::max(image_height, text_height) +
+ ScaleInt(kTopPadding + kBottomPadding, device_scale));
+
+ int offset_x = 0;
+ int offset_y = 0;
+ if (ctrl_size->width() < background.size().width()) {
+ offset_x += (background.size().width() - ctrl_size->width()) / 2;
+ ctrl_size->set_width(background.size().width());
+ }
+ if (ctrl_size->height() < background.size().height()) {
+ offset_y += (background.size().height() - ctrl_size->height()) / 2;
+ ctrl_size->set_height(background.size().height());
+ }
+
+ *image_rc = pp::Rect(ScaleInt(kLeftPadding, device_scale) + offset_x,
+ ScaleInt(kTopPadding, device_scale) + offset_y,
+ image_width,
+ image_height);
+
+ *text_rc = pp::Rect(
+ ctrl_size->width() - text_length -
+ ScaleInt(kRightPadding, device_scale) - offset_x,
+ (ctrl_size->height() - text_height) / 2,
+ text_length,
+ text_height);
+}
+
+size_t ProgressControl::GetImageIngex() const {
+ return static_cast<size_t>((progress_ / 100.0) * images_.size());
+}
+
+void ProgressControl::Paint(pp::ImageData* image_data, const pp::Rect& rc) {
+ if (!visible())
+ return;
+
+ pp::Rect draw_rc = rect().Intersect(rc);
+ if (draw_rc.IsEmpty())
+ return;
+
+ pp::ImageData buffer(owner()->GetInstance(), ctrl_background_.format(),
+ ctrl_background_.size(), false);
+ CopyImage(ctrl_background_, pp::Rect(ctrl_background_.size()),
+ &buffer, pp::Rect(ctrl_background_.size()), false);
+
+ size_t index = GetImageIngex();
+ if (index >= images_.size())
+ index = images_.size() - 1;
+
+ AlphaBlend(images_[index],
+ pp::Rect(images_[index].size()),
+ &buffer,
+ image_rc_.point(),
+ kOpaqueAlpha);
+
+ pp::Rect image_draw_rc(draw_rc);
+ image_draw_rc.Offset(-rect().x(), -rect().y());
+ AlphaBlend(buffer,
+ image_draw_rc,
+ image_data,
+ draw_rc.point(),
+ transparency());
+}
+
+void ProgressControl::SetProgress(double progress) {
+ size_t old_index = GetImageIngex();
+ progress_ = progress;
+ size_t new_index = GetImageIngex();
+ if (progress_ >= kCompleted) {
+ progress_ = kCompleted;
+ owner()->OnEvent(id(), EVENT_ID_PROGRESS_COMPLETED, NULL);
+ }
+ if (visible() && old_index != new_index)
+ owner()->Invalidate(id(), rect());
+}
+
+void ProgressControl::PrepareBackground() {
+ AdjustBackground();
+
+ pp::FontDescription_Dev description;
+ description.set_family(PP_FONTFAMILY_SANSSERIF);
+ description.set_size(ScaleInt(kProgressTextSize, device_scale_));
+ description.set_weight(PP_FONTWEIGHT_BOLD);
+ pp::Font_Dev font(owner()->GetInstance(), description);
+
+ pp::FontDescription_Dev desc;
+ PP_FontMetrics_Dev metrics;
+ font.Describe(&desc, &metrics);
+
+ pp::Point text_origin = pp::Point(text_rc_.x(),
+ (text_rc_.y() + text_rc_.bottom() + metrics.x_height) / 2);
+ font.DrawTextAt(&ctrl_background_, pp::TextRun_Dev(text_), text_origin,
+ kProgressTextColor, pp::Rect(ctrl_background_.size()), false);
+}
+
+void ProgressControl::AdjustBackground() {
+ ctrl_background_ = pp::ImageData(owner()->GetInstance(),
+ PP_IMAGEDATAFORMAT_BGRA_PREMUL,
+ rect().size(),
+ false);
+
+ if (rect().size() == background_.size()) {
+ CopyImage(background_, pp::Rect(background_.size()),
+ &ctrl_background_, pp::Rect(ctrl_background_.size()), false);
+ return;
+ }
+
+ // We need to stretch background to new dimentions. To do so, we split
+ // background into 9 different parts. We copy corner rects (1,3,7,9) as is,
+ // stretch rectangles between corners (2,4,6,8) in 1 dimention, and
+ // stretch center rect (5) in 2 dimentions.
+ // |---|---|---|
+ // | 1 | 2 | 3 |
+ // |---|---|---|
+ // | 4 | 5 | 6 |
+ // |---|---|---|
+ // | 7 | 8 | 9 |
+ // |---|---|---|
+ int slice_x = background_.size().width() / 3;
+ int slice_y = background_.size().height() / 3;
+
+ // Copy rect 1
+ pp::Rect src_rc(0, 0, slice_x, slice_y);
+ pp::Rect dest_rc(0, 0, slice_x, slice_y);
+ CopyImage(background_, src_rc, &ctrl_background_, dest_rc, false);
+
+ // Copy rect 3
+ src_rc.set_x(background_.size().width() - slice_x);
+ dest_rc.set_x(ctrl_background_.size().width() - slice_x);
+ CopyImage(background_, src_rc, &ctrl_background_, dest_rc, false);
+
+ // Copy rect 9
+ src_rc.set_y(background_.size().height() - slice_y);
+ dest_rc.set_y(ctrl_background_.size().height() - slice_y);
+ CopyImage(background_, src_rc, &ctrl_background_, dest_rc, false);
+
+ // Copy rect 7
+ src_rc.set_x(0);
+ dest_rc.set_x(0);
+ CopyImage(background_, src_rc, &ctrl_background_, dest_rc, false);
+
+ // Stretch rect 2
+ src_rc = pp::Rect(
+ slice_x, 0, background_.size().width() - 2 * slice_x, slice_y);
+ dest_rc = pp::Rect(
+ slice_x, 0, ctrl_background_.size().width() - 2 * slice_x, slice_y);
+ CopyImage(background_, src_rc, &ctrl_background_, dest_rc, true);
+
+ // Copy rect 8
+ src_rc.set_y(background_.size().height() - slice_y);
+ dest_rc.set_y(ctrl_background_.size().height() - slice_y);
+ CopyImage(background_, src_rc, &ctrl_background_, dest_rc, true);
+
+ // Stretch rect 4
+ src_rc = pp::Rect(
+ 0, slice_y, slice_x, background_.size().height() - 2 * slice_y);
+ dest_rc = pp::Rect(
+ 0, slice_y, slice_x, ctrl_background_.size().height() - 2 * slice_y);
+ CopyImage(background_, src_rc, &ctrl_background_, dest_rc, true);
+
+ // Copy rect 6
+ src_rc.set_x(background_.size().width() - slice_x);
+ dest_rc.set_x(ctrl_background_.size().width() - slice_x);
+ CopyImage(background_, src_rc, &ctrl_background_, dest_rc, true);
+
+ // Stretch rect 5
+ src_rc = pp::Rect(slice_x,
+ slice_y,
+ background_.size().width() - 2 * slice_x,
+ background_.size().height() - 2 * slice_y);
+ dest_rc = pp::Rect(slice_x,
+ slice_y,
+ ctrl_background_.size().width() - 2 * slice_x,
+ ctrl_background_.size().height() - 2 * slice_y);
+ CopyImage(background_, src_rc, &ctrl_background_, dest_rc, true);
+}
+
+} // namespace chrome_pdf
diff --git a/xfa_test/pdf/progress_control.h b/xfa_test/pdf/progress_control.h
new file mode 100644
index 0000000000..96d5da1ce9
--- /dev/null
+++ b/xfa_test/pdf/progress_control.h
@@ -0,0 +1,72 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PDF_PROGRESS_CONTROL_H_
+#define PDF_PROGRESS_CONTROL_H_
+
+#include <string>
+#include <vector>
+
+#include "pdf/control.h"
+#include "pdf/fading_control.h"
+#include "ppapi/cpp/image_data.h"
+
+namespace chrome_pdf {
+
+class ProgressControl : public FadingControl {
+ public:
+ static const double kCompleted;
+
+ enum ProgressEventIds {
+ EVENT_ID_PROGRESS_COMPLETED,
+ };
+
+ ProgressControl();
+ virtual ~ProgressControl();
+ virtual bool CreateProgressControl(uint32 id,
+ bool visible,
+ Control::Owner* delegate,
+ double progress,
+ float device_scale,
+ const std::vector<pp::ImageData>& images,
+ const pp::ImageData& background,
+ const std::string& text);
+ void Reconfigure(const pp::ImageData& background,
+ const std::vector<pp::ImageData>& images,
+ float device_scale);
+
+ static void CalculateLayout(pp::Instance* instance,
+ const std::vector<pp::ImageData>& images,
+ const pp::ImageData& background,
+ const std::string& text,
+ float device_scale,
+ pp::Size* ctrl_size,
+ pp::Rect* image_rc,
+ pp::Rect* text_rc);
+
+ // Control interface.
+ virtual void Paint(pp::ImageData* image_data, const pp::Rect& rc);
+
+ // ProgressControl interface
+ // Set progress indicator in percents from 0% to 100%.
+ virtual void SetProgress(double progress);
+
+ private:
+ void PrepareBackground();
+ void AdjustBackground();
+ size_t GetImageIngex() const;
+
+ double progress_;
+ float device_scale_;
+ std::vector<pp::ImageData> images_;
+ pp::ImageData background_;
+ pp::ImageData ctrl_background_;
+ std::string text_;
+ pp::Rect image_rc_;
+ pp::Rect text_rc_;
+};
+
+} // namespace chrome_pdf
+
+#endif // PDF_PROGRESS_CONTROL_H_
diff --git a/xfa_test/pdf/resource.h b/xfa_test/pdf/resource.h
new file mode 100644
index 0000000000..9fdbea758b
--- /dev/null
+++ b/xfa_test/pdf/resource.h
@@ -0,0 +1,14 @@
+//{{NO_DEPENDENCIES}}
+// Microsoft Visual C++ generated include file.
+// Used by pdf.rc
+
+// Next default values for new objects
+//
+#ifdef APSTUDIO_INVOKED
+#ifndef APSTUDIO_READONLY_SYMBOLS
+#define _APS_NEXT_RESOURCE_VALUE 101
+#define _APS_NEXT_COMMAND_VALUE 40001
+#define _APS_NEXT_CONTROL_VALUE 1001
+#define _APS_NEXT_SYMED_VALUE 101
+#endif
+#endif
diff --git a/xfa_test/pdf/resource_consts.h b/xfa_test/pdf/resource_consts.h
new file mode 100644
index 0000000000..f12efd61be
--- /dev/null
+++ b/xfa_test/pdf/resource_consts.h
@@ -0,0 +1,49 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PDF_RESOURCE_RESOURCE_CONSTS_H_
+#define PDF_RESOURCE_RESOURCE_CONSTS_H_
+
+#include "base/basictypes.h"
+
+namespace chrome_pdf {
+
+const int kDragTimerMs = 50;
+const double kMinZoom = 0.1;
+const double kMaxZoom = 10.0;
+const double kZoomStep = 1.2;
+
+const uint32 kFadingTimeoutMs = 50;
+
+const uint32 kToolbarId = 10;
+const uint32 kThumbnailsId = 11;
+const uint32 kProgressBarId = 12;
+const uint32 kPageIndicatorId = 13;
+const uint32 kFitToPageButtonId = 100;
+const uint32 kFitToWidthButtonId = 101;
+const uint32 kZoomOutButtonId = 102;
+const uint32 kZoomInButtonId = 103;
+const uint32 kSaveButtonId = 104;
+const uint32 kPrintButtonId = 105;
+
+const uint32 kAutoScrollId = 200;
+
+// fading_rect.left = button_rect.left - kToolbarFadingOffsetLeft
+const int32 kToolbarFadingOffsetLeft = 40;
+// fading_rect.top = button_rect.top - kToolbarFadingOffsetTop
+const int32 kToolbarFadingOffsetTop = 40;
+// fading_rect.right = button_rect.right + kToolbarFadingOffsetRight
+const int32 kToolbarFadingOffsetRight = 10;
+// fading_rect.bottom = button_rect.bottom + kToolbarFadingOffsetBottom
+const int32 kToolbarFadingOffsetBottom = 8;
+
+const int32 kProgressOffsetLeft = 8;
+const int32 kProgressOffsetBottom = 8;
+
+// Width of the thumbnails control.
+const int32 kThumbnailsWidth = 196;
+
+} // namespace chrome_pdf
+
+#endif // PDF_RESOURCE_RESOURCE_CONSTS_H_
diff --git a/xfa_test/pdf/thumbnail_control.cc b/xfa_test/pdf/thumbnail_control.cc
new file mode 100644
index 0000000000..9a779b2912
--- /dev/null
+++ b/xfa_test/pdf/thumbnail_control.cc
@@ -0,0 +1,301 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "pdf/thumbnail_control.h"
+
+#include <algorithm>
+
+#include "base/logging.h"
+#include "base/strings/string_util.h"
+#include "pdf/draw_utils.h"
+#include "pdf/number_image_generator.h"
+
+namespace chrome_pdf {
+
+const int kLeftBorderSize = 52;
+const int kBorderSize = 12;
+const int kHighlightBorderSize = 2;
+
+const uint32 kLeftColor = 0x003F537B;
+const uint32 kRightColor = 0x990D1626;
+
+const uint32 kTopHighlightColor = 0xFF426DC9;
+const uint32 kBottomHighlightColor = 0xFF6391DE;
+const uint32 kThumbnailBackgroundColor = 0xFF000000;
+
+const uint32 kSlidingTimeoutMs = 50;
+const int32 kSlidingShift = 50;
+
+const double kNonSelectedThumbnailAlpha = 0.91;
+
+ThumbnailControl::ThumbnailControl()
+ : engine_(NULL), sliding_width_(0), sliding_shift_(kSlidingShift),
+ sliding_timeout_(kSlidingTimeoutMs), sliding_timer_id_(0) {
+}
+
+ThumbnailControl::~ThumbnailControl() {
+ ClearCache();
+}
+
+bool ThumbnailControl::CreateThumbnailControl(
+ uint32 id, const pp::Rect& rc,
+ bool visible, Owner* owner, PDFEngine* engine,
+ NumberImageGenerator* number_image_generator) {
+ engine_ = engine;
+ number_image_generator_ = number_image_generator;
+ sliding_width_ = rc.width();
+
+ return Control::Create(id, rc, visible, owner);
+}
+
+void ThumbnailControl::SetPosition(int position, int total, bool invalidate) {
+ visible_rect_ = pp::Rect();
+ visible_pages_.clear();
+
+ if (rect().width() < kLeftBorderSize + kBorderSize) {
+ return; // control is too narrow to show thumbnails.
+ }
+
+ int num_pages = engine_->GetNumberOfPages();
+
+ int max_doc_width = 0, total_doc_height = 0;
+ std::vector<pp::Rect> page_sizes(num_pages);
+ for (int i = 0; i < num_pages; ++i) {
+ page_sizes[i] = engine_->GetPageRect(i);
+ max_doc_width = std::max(max_doc_width, page_sizes[i].width());
+ total_doc_height += page_sizes[i].height();
+ }
+
+ if (!max_doc_width)
+ return;
+
+ int max_thumbnail_width = rect().width() - kLeftBorderSize - kBorderSize;
+ double thumbnail_ratio =
+ max_thumbnail_width / static_cast<double>(max_doc_width);
+
+ int total_thumbnail_height = 0;
+ for (int i = 0; i < num_pages; ++i) {
+ total_thumbnail_height += kBorderSize;
+ int thumbnail_width =
+ static_cast<int>(page_sizes[i].width() * thumbnail_ratio);
+ int thumbnail_height =
+ static_cast<int>(page_sizes[i].height() * thumbnail_ratio);
+ int x = (max_thumbnail_width - thumbnail_width) / 2;
+ page_sizes[i] =
+ pp::Rect(x, total_thumbnail_height, thumbnail_width, thumbnail_height);
+ total_thumbnail_height += thumbnail_height;
+ }
+ total_thumbnail_height += kBorderSize;
+
+ int visible_y = 0;
+ if (total > 0) {
+ double range = total_thumbnail_height - rect().height();
+ if (range < 0)
+ range = 0;
+ visible_y = static_cast<int>(range * position / total);
+ }
+ visible_rect_ = pp::Rect(0, visible_y, max_thumbnail_width, rect().height());
+
+ for (int i = 0; i < num_pages; ++i) {
+ if (page_sizes[i].Intersects(visible_rect_)) {
+ PageInfo page_info;
+ page_info.index = i;
+ page_info.rect = page_sizes[i];
+ page_info.rect.Offset(kLeftBorderSize, -visible_rect_.y());
+ visible_pages_.push_back(page_info);
+ }
+ }
+
+ if (invalidate)
+ owner()->Invalidate(id(), rect());
+}
+
+void ThumbnailControl::Show(bool visible, bool invalidate) {
+ if (!visible || invalidate)
+ ClearCache();
+ sliding_width_ = rect().width();
+ Control::Show(visible, invalidate);
+}
+
+void ThumbnailControl::SlideIn() {
+ if (visible())
+ return;
+
+ Show(true, false);
+ sliding_width_ = 0;
+ sliding_shift_ = kSlidingShift;
+
+ sliding_timer_id_ = owner()->ScheduleTimer(id(), sliding_timeout_);
+ owner()->Invalidate(id(), rect());
+}
+
+void ThumbnailControl::SlideOut() {
+ if (!visible())
+ return;
+ sliding_shift_ = -kSlidingShift;
+ sliding_timer_id_ = owner()->ScheduleTimer(id(), sliding_timeout_);
+}
+
+void ThumbnailControl::Paint(pp::ImageData* image_data, const pp::Rect& rc) {
+ if (!visible())
+ return;
+
+ pp::Rect control_rc(rect());
+ control_rc.Offset(control_rc.width() - sliding_width_, 0);
+ control_rc.set_width(sliding_width_);
+
+ pp::Rect draw_rc = rc.Intersect(control_rc);
+ if (draw_rc.IsEmpty())
+ return;
+
+ pp::Rect gradient_rc(control_rc.x(), draw_rc.y(),
+ control_rc.width(), draw_rc.height());
+ GradientFill(owner()->GetInstance(),
+ image_data,
+ draw_rc,
+ gradient_rc,
+ kLeftColor,
+ kRightColor,
+ true,
+ transparency());
+
+ int selected_page = engine_->GetMostVisiblePage();
+ for (size_t i = 0; i < visible_pages_.size(); ++i) {
+ pp::Rect page_rc = visible_pages_[i].rect;
+ page_rc.Offset(control_rc.point());
+
+ if (visible_pages_[i].index == selected_page) {
+ pp::Rect highlight_rc = page_rc;
+ highlight_rc.Inset(-kHighlightBorderSize, -kHighlightBorderSize);
+ GradientFill(owner()->GetInstance(),
+ image_data,
+ draw_rc,
+ highlight_rc,
+ kTopHighlightColor,
+ kBottomHighlightColor,
+ false,
+ transparency());
+ }
+
+ pp::Rect draw_page_rc = page_rc.Intersect(draw_rc);
+ if (draw_page_rc.IsEmpty())
+ continue;
+
+ // First search page image in the cache.
+ pp::ImageData* thumbnail = NULL;
+ std::map<int, pp::ImageData*>::iterator it =
+ image_cache_.find(visible_pages_[i].index);
+ if (it != image_cache_.end()) {
+ if (it->second->size() == page_rc.size())
+ thumbnail = image_cache_[visible_pages_[i].index];
+ else
+ image_cache_.erase(it);
+ }
+
+ // If page is not found in the cache, create new one.
+ if (thumbnail == NULL) {
+ thumbnail = new pp::ImageData(owner()->GetInstance(),
+ PP_IMAGEDATAFORMAT_BGRA_PREMUL,
+ page_rc.size(),
+ false);
+ engine_->PaintThumbnail(thumbnail, visible_pages_[i].index);
+
+ pp::ImageData page_number;
+ number_image_generator_->GenerateImage(
+ visible_pages_[i].index + 1, &page_number);
+ pp::Point origin(
+ (thumbnail->size().width() - page_number.size().width()) / 2,
+ (thumbnail->size().height() - page_number.size().height()) / 2);
+
+ if (origin.x() > 0 && origin.y() > 0) {
+ AlphaBlend(page_number, pp::Rect(pp::Point(), page_number.size()),
+ thumbnail, origin, kOpaqueAlpha);
+ }
+
+ image_cache_[visible_pages_[i].index] = thumbnail;
+ }
+
+ uint8 alpha = transparency();
+ if (visible_pages_[i].index != selected_page)
+ alpha = static_cast<uint8>(alpha * kNonSelectedThumbnailAlpha);
+ FillRect(image_data, draw_page_rc, kThumbnailBackgroundColor);
+ draw_page_rc.Offset(-page_rc.x(), -page_rc.y());
+ AlphaBlend(*thumbnail, draw_page_rc, image_data,
+ draw_page_rc.point() + page_rc.point(), alpha);
+ }
+}
+
+bool ThumbnailControl::HandleEvent(const pp::InputEvent& event) {
+ if (!visible())
+ return false;
+
+ pp::MouseInputEvent mouse_event(event);
+ if (mouse_event.is_null())
+ return false;
+ pp::Point pt = mouse_event.GetPosition();
+ if (!rect().Contains(pt))
+ return false;
+
+ int over_page = -1;
+ for (size_t i = 0; i < visible_pages_.size(); ++i) {
+ pp::Rect page_rc = visible_pages_[i].rect;
+ page_rc.Offset(rect().point());
+ if (page_rc.Contains(pt)) {
+ over_page = i;
+ break;
+ }
+ }
+
+ bool handled = false;
+ switch (event.GetType()) {
+ case PP_INPUTEVENT_TYPE_MOUSEMOVE:
+ owner()->SetCursor(id(),
+ over_page == -1 ? PP_CURSORTYPE_POINTER : PP_CURSORTYPE_HAND);
+ break;
+ case PP_INPUTEVENT_TYPE_MOUSEDOWN:
+ if (over_page != -1) {
+ owner()->Invalidate(id(), rect());
+ owner()->OnEvent(id(), EVENT_ID_THUMBNAIL_SELECTED,
+ &visible_pages_[over_page].index);
+ }
+ handled = true;
+ break;
+ default:
+ break;
+ }
+
+ return handled;
+}
+
+void ThumbnailControl::OnTimerFired(uint32 timer_id) {
+ if (timer_id == sliding_timer_id_) {
+ sliding_width_ += sliding_shift_;
+ if (sliding_width_ <= 0) {
+ // We completely slided out. Make control invisible now.
+ Show(false, false);
+ } else if (sliding_width_ >= rect().width()) {
+ // We completely slided in. Make sliding width to full control width.
+ sliding_width_ = rect().width();
+ } else {
+ // We have not completed sliding yet. Keep sliding.
+ sliding_timer_id_ = owner()->ScheduleTimer(id(), sliding_timeout_);
+ }
+ owner()->Invalidate(id(), rect());
+ }
+}
+
+void ThumbnailControl::ResetEngine(PDFEngine* engine) {
+ engine_ = engine;
+ ClearCache();
+}
+
+void ThumbnailControl::ClearCache() {
+ std::map<int, pp::ImageData*>::iterator it;
+ for (it = image_cache_.begin(); it != image_cache_.end(); ++it) {
+ delete it->second;
+ }
+ image_cache_.clear();
+}
+
+} // namespace chrome_pdf
diff --git a/xfa_test/pdf/thumbnail_control.h b/xfa_test/pdf/thumbnail_control.h
new file mode 100644
index 0000000000..d10a32896d
--- /dev/null
+++ b/xfa_test/pdf/thumbnail_control.h
@@ -0,0 +1,67 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PDF_THUMBNAIL_CONTROL_H_
+#define PDF_THUMBNAIL_CONTROL_H_
+
+#include <map>
+#include <vector>
+
+#include "pdf/control.h"
+#include "pdf/pdf_engine.h"
+#include "ppapi/cpp/input_event.h"
+
+namespace chrome_pdf {
+
+class NumberImageGenerator;
+
+class ThumbnailControl : public Control {
+ public:
+ enum ThumbnailEventIds {
+ EVENT_ID_THUMBNAIL_SELECTED = 100,
+ };
+
+ explicit ThumbnailControl();
+ virtual ~ThumbnailControl();
+
+ // Sets current position of the thumnail control.
+ void SetPosition(int position, int total, bool invalidate);
+ void SlideIn();
+ void SlideOut();
+
+ virtual bool CreateThumbnailControl(
+ uint32 id, const pp::Rect& rc,
+ bool visible, Owner* owner, PDFEngine* engine,
+ NumberImageGenerator* number_image_generator);
+
+ // Control interface.
+ virtual void Show(bool visible, bool invalidate);
+ virtual void Paint(pp::ImageData* image_data, const pp::Rect& rc);
+ virtual bool HandleEvent(const pp::InputEvent& event);
+ virtual void OnTimerFired(uint32 timer_id);
+
+ virtual void ResetEngine(PDFEngine* engine);
+
+ private:
+ void ClearCache();
+
+ struct PageInfo {
+ int index;
+ pp::Rect rect;
+ };
+
+ PDFEngine* engine_;
+ pp::Rect visible_rect_;
+ std::vector<PageInfo> visible_pages_;
+ std::map<int, pp::ImageData*> image_cache_;
+ int sliding_width_;
+ int sliding_shift_;
+ int sliding_timeout_;
+ uint32 sliding_timer_id_;
+ NumberImageGenerator* number_image_generator_;
+};
+
+} // namespace chrome_pdf
+
+#endif // PDF_THUMBNAIL_CONTROL_H_