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// Copyright 2014 The PDFium Authors
// 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
#ifndef FPDFSDK_FPDFXFA_CPDFXFA_CONTEXT_H_
#define FPDFSDK_FPDFXFA_CPDFXFA_CONTEXT_H_
#include <stdint.h>
#include <memory>
#include <vector>
#include "core/fpdfapi/parser/cpdf_document.h"
#include "core/fxcrt/cfx_timer.h"
#include "core/fxcrt/observed_ptr.h"
#include "core/fxcrt/retain_ptr.h"
#include "core/fxcrt/unowned_ptr.h"
#include "fpdfsdk/cpdfsdk_formfillenvironment.h"
#include "fpdfsdk/fpdfxfa/cpdfxfa_page.h"
#include "fxjs/gc/heap.h"
#include "v8/include/cppgc/persistent.h"
#include "xfa/fxfa/cxfa_ffapp.h"
#include "xfa/fxfa/cxfa_ffdoc.h"
class CFX_XMLDocument;
class CJS_Runtime;
class CPDFXFA_DocEnvironment;
// Per-process initializations.
void CPDFXFA_ModuleInit();
void CPDFXFA_ModuleDestroy();
class CPDFXFA_Context final : public CPDF_Document::Extension,
public CXFA_FFApp::CallbackIface {
public:
enum class LoadStatus : uint8_t {
kPreload = 0,
kLoading,
kLoaded,
kClosing,
};
explicit CPDFXFA_Context(CPDF_Document* pPDFDoc);
~CPDFXFA_Context() override;
bool LoadXFADoc();
LoadStatus GetLoadStatus() const { return m_nLoadStatus; }
FormType GetFormType() const { return m_FormType; }
int GetOriginalPageCount() const { return m_nPageCount; }
void SetOriginalPageCount(int count) {
m_nPageCount = count;
m_XFAPageList.resize(count);
}
CPDF_Document* GetPDFDoc() const { return m_pPDFDoc; }
CFX_XMLDocument* GetXMLDoc() { return m_pXML.get(); }
CXFA_FFDoc* GetXFADoc() { return m_pXFADoc; }
CXFA_FFDocView* GetXFADocView() const { return m_pXFADocView.Get(); }
CPDFSDK_FormFillEnvironment* GetFormFillEnv() const {
return m_pFormFillEnv.Get();
}
void SetFormFillEnv(CPDFSDK_FormFillEnvironment* pFormFillEnv);
RetainPtr<CPDFXFA_Page> GetOrCreateXFAPage(int page_index);
RetainPtr<CPDFXFA_Page> GetXFAPage(int page_index);
RetainPtr<CPDFXFA_Page> GetXFAPage(CXFA_FFPageView* pPage) const;
void ClearChangeMark();
// CPDF_Document::Extension:
int GetPageCount() const override;
uint32_t DeletePage(int page_index) override;
bool ContainsExtensionForm() const override;
bool ContainsExtensionFullForm() const override;
bool ContainsExtensionForegroundForm() const override;
// CXFA_FFApp::CallbackIface:
WideString GetLanguage() override;
WideString GetPlatform() override;
WideString GetAppName() override;
WideString GetAppTitle() const override;
void Beep(uint32_t dwType) override;
int32_t MsgBox(const WideString& wsMessage,
const WideString& wsTitle,
uint32_t dwIconType,
uint32_t dwButtonType) override;
WideString Response(const WideString& wsQuestion,
const WideString& wsTitle,
const WideString& wsDefaultAnswer,
bool bMark) override;
RetainPtr<IFX_SeekableReadStream> DownloadURL(
const WideString& wsURL) override;
bool PostRequestURL(const WideString& wsURL,
const WideString& wsData,
const WideString& wsContentType,
const WideString& wsEncode,
const WideString& wsHeader,
WideString& wsResponse) override;
bool PutRequestURL(const WideString& wsURL,
const WideString& wsData,
const WideString& wsEncode) override;
CFX_Timer::HandlerIface* GetTimerHandler() const override;
cppgc::Heap* GetGCHeap() const override;
bool SaveDatasetsPackage(const RetainPtr<IFX_SeekableStream>& pStream);
bool SaveFormPackage(const RetainPtr<IFX_SeekableStream>& pStream);
void SendPostSaveToXFADoc();
void SendPreSaveToXFADoc(
std::vector<RetainPtr<IFX_SeekableStream>>* fileList);
private:
CJS_Runtime* GetCJSRuntime() const;
bool SavePackage(const RetainPtr<IFX_SeekableStream>& pStream,
XFA_HashCode code);
FormType m_FormType = FormType::kNone;
LoadStatus m_nLoadStatus = LoadStatus::kPreload;
int m_nPageCount = 0;
// The order in which the following members are destroyed is critical.
UnownedPtr<CPDF_Document> const m_pPDFDoc;
std::unique_ptr<CFX_XMLDocument> m_pXML;
ObservedPtr<CPDFSDK_FormFillEnvironment> m_pFormFillEnv;
std::vector<RetainPtr<CPDFXFA_Page>> m_XFAPageList;
// Can't outlive |m_pFormFillEnv|.
std::unique_ptr<CPDFXFA_DocEnvironment> m_pDocEnv;
FXGCScopedHeap m_pGCHeap;
cppgc::Persistent<CXFA_FFApp> m_pXFAApp; // can't outlive |m_pGCHeap|
cppgc::Persistent<CXFA_FFDoc> m_pXFADoc; // Can't outlive |m_pGCHeap|
cppgc::Persistent<CXFA_FFDocView> m_pXFADocView; // Can't outlive |m_pGCHeap|
};
#endif // FPDFSDK_FPDFXFA_CPDFXFA_CONTEXT_H_