1 files changed, 162 insertions, 0 deletions
diff --git a/xfa/fxfa/cxfa_ffapp.cpp b/xfa/fxfa/cxfa_ffapp.cpp
new file mode 100644
index 0000000000..40341ad90c
--- /dev/null
+++ b/xfa/fxfa/cxfa_ffapp.cpp
@@ -0,0 +1,162 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fxfa/cxfa_ffapp.h"
+
+#include <algorithm>
+#include <memory>
+#include <utility>
+#include <vector>
+
+#include "third_party/base/ptr_util.h"
+#include "third_party/base/stl_util.h"
+#include "xfa/fgas/font/cfgas_fontmgr.h"
+#include "xfa/fwl/cfwl_notedriver.h"
+#include "xfa/fwl/cfwl_widgetmgr.h"
+#include "xfa/fxfa/app/xfa_fwladapter.h"
+#include "xfa/fxfa/app/xfa_fwltheme.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffdochandler.h"
+#include "xfa/fxfa/cxfa_ffwidgethandler.h"
+#include "xfa/fxfa/cxfa_fontmgr.h"
+
+namespace {
+
+class CXFA_FileRead : public IFX_SeekableReadStream {
+ public:
+  explicit CXFA_FileRead(const std::vector<CPDF_Stream*>& streams);
+  ~CXFA_FileRead() override;
+
+  // IFX_SeekableReadStream
+  FX_FILESIZE GetSize() override;
+  bool ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) override;
+
+ private:
+  std::vector<std::unique_ptr<CPDF_StreamAcc>> m_Data;
+};
+
+CXFA_FileRead::CXFA_FileRead(const std::vector<CPDF_Stream*>& streams) {
+  for (CPDF_Stream* pStream : streams) {
+    m_Data.push_back(pdfium::MakeUnique<CPDF_StreamAcc>());
+    m_Data.back()->LoadAllData(pStream);
+  }
+}
+
+CXFA_FileRead::~CXFA_FileRead() {}
+
+FX_FILESIZE CXFA_FileRead::GetSize() {
+  uint32_t dwSize = 0;
+  for (const auto& acc : m_Data)
+    dwSize += acc->GetSize();
+  return dwSize;
+}
+
+bool CXFA_FileRead::ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) {
+  int32_t iCount = pdfium::CollectionSize<int32_t>(m_Data);
+  int32_t index = 0;
+  while (index < iCount) {
+    const auto& acc = m_Data[index];
+    FX_FILESIZE dwSize = acc->GetSize();
+    if (offset < dwSize)
+      break;
+
+    offset -= dwSize;
+    index++;
+  }
+  while (index < iCount) {
+    const auto& acc = m_Data[index];
+    uint32_t dwSize = acc->GetSize();
+    size_t dwRead = std::min(size, static_cast<size_t>(dwSize - offset));
+    FXSYS_memcpy(buffer, acc->GetData() + offset, dwRead);
+    size -= dwRead;
+    if (size == 0)
+      return true;
+
+    buffer = (uint8_t*)buffer + dwRead;
+    offset = 0;
+    index++;
+  }
+  return false;
+}
+
+}  // namespace
+
+CFX_RetainPtr<IFX_SeekableReadStream> MakeSeekableReadStream(
+    const std::vector<CPDF_Stream*>& streams) {
+  return CFX_RetainPtr<IFX_SeekableReadStream>(new CXFA_FileRead(streams));
+}
+
+CXFA_FFApp::CXFA_FFApp(IXFA_AppProvider* pProvider)
+    : m_pProvider(pProvider),
+      m_pWidgetMgrDelegate(nullptr),
+      m_pFWLApp(new CFWL_App(this)) {}
+
+CXFA_FFApp::~CXFA_FFApp() {}
+
+CXFA_FFDocHandler* CXFA_FFApp::GetDocHandler() {
+  if (!m_pDocHandler)
+    m_pDocHandler = pdfium::MakeUnique<CXFA_FFDocHandler>();
+  return m_pDocHandler.get();
+}
+
+std::unique_ptr<CXFA_FFDoc> CXFA_FFApp::CreateDoc(
+    IXFA_DocEnvironment* pDocEnvironment,
+    CPDF_Document* pPDFDoc) {
+  if (!pPDFDoc)
+    return nullptr;
+
+  auto pDoc = pdfium::MakeUnique<CXFA_FFDoc>(this, pDocEnvironment);
+  if (!pDoc->OpenDoc(pPDFDoc))
+    return nullptr;
+
+  return pDoc;
+}
+
+void CXFA_FFApp::SetDefaultFontMgr(std::unique_ptr<CXFA_DefFontMgr> pFontMgr) {
+  if (!m_pFontMgr)
+    m_pFontMgr = pdfium::MakeUnique<CXFA_FontMgr>();
+  m_pFontMgr->SetDefFontMgr(std::move(pFontMgr));
+}
+
+CXFA_FontMgr* CXFA_FFApp::GetXFAFontMgr() const {
+  return m_pFontMgr.get();
+}
+
+CFGAS_FontMgr* CXFA_FFApp::GetFDEFontMgr() {
+  if (!m_pFDEFontMgr) {
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+    m_pFDEFontMgr = CFGAS_FontMgr::Create(FX_GetDefFontEnumerator());
+#else
+    m_pFontSource = pdfium::MakeUnique<CFX_FontSourceEnum_File>();
+    m_pFDEFontMgr = CFGAS_FontMgr::Create(m_pFontSource.get());
+#endif
+  }
+  return m_pFDEFontMgr.get();
+}
+
+CXFA_FWLTheme* CXFA_FFApp::GetFWLTheme() {
+  if (!m_pFWLTheme)
+    m_pFWLTheme = pdfium::MakeUnique<CXFA_FWLTheme>(this);
+  return m_pFWLTheme.get();
+}
+
+CXFA_FWLAdapterWidgetMgr* CXFA_FFApp::GetWidgetMgr(
+    CFWL_WidgetMgrDelegate* pDelegate) {
+  if (!m_pAdapterWidgetMgr) {
+    m_pAdapterWidgetMgr = pdfium::MakeUnique<CXFA_FWLAdapterWidgetMgr>();
+    pDelegate->OnSetCapability(FWL_WGTMGR_DisableForm);
+    m_pWidgetMgrDelegate = pDelegate;
+  }
+  return m_pAdapterWidgetMgr.get();
+}
+
+IFWL_AdapterTimerMgr* CXFA_FFApp::GetTimerMgr() const {
+  return m_pProvider->GetTimerMgr();
+}
+
+void CXFA_FFApp::ClearEventTargets() {
+  m_pFWLApp->GetNoteDriver()->ClearEventTargets(false);
+}