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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/out_of_process_instance.cc
parente9b38fa38de2c95d8260be31c57d9272c4d127ed (diff)
downloadpdfium-fdc00a7042d912aafaabddae4d9c84199921ef23.tar.xz
Merge XFA to PDFium master at 4dc95e7 on 10/28/2014
Diffstat (limited to 'xfa_test/pdf/out_of_process_instance.cc')
-rw-r--r--xfa_test/pdf/out_of_process_instance.cc1369
1 files changed, 1369 insertions, 0 deletions
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