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// 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);
}
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