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