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224 lines
8.5 KiB
224 lines
8.5 KiB
// Copyright 2016 PDFium Authors. All rights reserved.
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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_CPDFSDK_FORMFILLENVIRONMENT_H_
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#define FPDFSDK_CPDFSDK_FORMFILLENVIRONMENT_H_
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#include <map>
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#include <memory>
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#include "core/fpdfapi/page/cpdf_occontext.h"
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#include "core/fpdfapi/page/cpdf_page.h"
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#include "core/fpdfapi/parser/cpdf_document.h"
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#include "core/fxcrt/observed_ptr.h"
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#include "core/fxcrt/timerhandler_iface.h"
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#include "fpdfsdk/cpdfsdk_annot.h"
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#include "fpdfsdk/pwl/ipwl_systemhandler.h"
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#include "public/fpdf_formfill.h"
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class CFFL_InteractiveFormFiller;
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class CPDFSDK_ActionHandler;
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class CPDFSDK_AnnotHandlerMgr;
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class CPDFSDK_InteractiveForm;
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class CPDFSDK_PageView;
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class IJS_Runtime;
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// NOTE: |bsUTF16LE| must outlive the use of the result. Care must be taken
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// since modifying the result would impact |bsUTF16LE|.
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FPDF_WIDESTRING AsFPDFWideString(ByteString* bsUTF16LE);
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// The CPDFSDK_FormFillEnvironment is "owned" by the embedder across the
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// C API as a FPDF_FormHandle, and may pop out of existence at any time,
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// so long as the associated embedder-owned FPDF_Document outlives it.
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// Pointers from objects in the FPDF_Document ownership hierarchy should
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// be ObservedPtr<> so as to clear themselves when the embedder "exits"
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// the form fill environment. Pointers from objects in this ownership
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// heirarcy to objects in the FPDF_Document ownership hierarcy should be
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// UnownedPtr<>, as should pointers from objects in this ownership
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// hierarcy back to the form fill environment itself, so as to flag any
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// lingering lifetime issues via the memory tools.
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class CPDFSDK_FormFillEnvironment final : public Observable,
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public TimerHandlerIface,
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public IPWL_SystemHandler {
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public:
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CPDFSDK_FormFillEnvironment(
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CPDF_Document* pDoc,
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FPDF_FORMFILLINFO* pFFinfo,
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std::unique_ptr<CPDFSDK_AnnotHandlerMgr> pHandlerMgr);
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~CPDFSDK_FormFillEnvironment() override;
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// TimerHandlerIface:
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int32_t SetTimer(int32_t uElapse, TimerCallback lpTimerFunc) override;
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void KillTimer(int32_t nTimerID) override;
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// IPWL_SystemHandler:
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void InvalidateRect(PerWindowData* pWidgetData,
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const CFX_FloatRect& rect) override;
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void OutputSelectedRect(CFFL_FormFiller* pFormFiller,
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const CFX_FloatRect& rect) override;
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bool IsSelectionImplemented() const override;
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void SetCursor(int32_t nCursorType) override;
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CPDFSDK_PageView* GetPageView(IPDF_Page* pUnderlyingPage, bool renew);
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CPDFSDK_PageView* GetPageView(int nIndex);
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void RemovePageView(IPDF_Page* pUnderlyingPage);
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void UpdateAllViews(CPDFSDK_PageView* pSender, CPDFSDK_Annot* pAnnot);
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CPDFSDK_Annot* GetFocusAnnot() const { return m_pFocusAnnot.Get(); }
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bool SetFocusAnnot(ObservedPtr<CPDFSDK_Annot>* pAnnot);
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bool KillFocusAnnot(uint32_t nFlag);
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void ClearAllFocusedAnnots();
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int GetPageCount() const;
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bool GetPermissions(int nFlag) const;
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bool GetChangeMark() const { return m_bChangeMask; }
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void SetChangeMark() { m_bChangeMask = true; }
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void ClearChangeMark() { m_bChangeMask = false; }
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void ProcJavascriptAction();
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bool ProcOpenAction();
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void Invalidate(IPDF_Page* page, const FX_RECT& rect);
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void OnChange();
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void ExecuteNamedAction(const char* namedAction);
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void OnSetFieldInputFocus(FPDF_WIDESTRING focusText,
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FPDF_DWORD nTextLen,
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bool bFocus);
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void DoURIAction(const char* bsURI);
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void DoGoToAction(int nPageIndex,
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int zoomMode,
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float* fPosArray,
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int sizeOfArray);
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CPDF_Document* GetPDFDocument() const { return m_pCPDFDoc.Get(); }
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CPDF_Document::Extension* GetDocExtension() const {
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return m_pCPDFDoc->GetExtension();
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}
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bool IsJSPlatformPresent() const { return m_pInfo && m_pInfo->m_pJsPlatform; }
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#ifdef PDF_ENABLE_V8
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CPDFSDK_PageView* GetCurrentView();
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FPDF_PAGE GetCurrentPage() const;
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WideString GetLanguage();
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WideString GetPlatform();
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int JS_appAlert(const WideString& Msg,
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const WideString& Title,
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int Type,
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int Icon);
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int JS_appResponse(const WideString& Question,
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const WideString& Title,
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const WideString& Default,
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const WideString& cLabel,
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FPDF_BOOL bPassword,
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void* response,
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int length);
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void JS_appBeep(int nType);
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WideString JS_fieldBrowse();
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void JS_docmailForm(void* mailData,
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int length,
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FPDF_BOOL bUI,
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const WideString& To,
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const WideString& Subject,
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const WideString& CC,
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const WideString& BCC,
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const WideString& Msg);
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void JS_docprint(FPDF_BOOL bUI,
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int nStart,
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int nEnd,
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FPDF_BOOL bSilent,
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FPDF_BOOL bShrinkToFit,
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FPDF_BOOL bPrintAsImage,
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FPDF_BOOL bReverse,
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FPDF_BOOL bAnnotations);
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void JS_docgotoPage(int nPageNum);
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WideString JS_docGetFilePath();
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#ifdef PDF_ENABLE_XFA
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int GetPageViewCount() const;
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void DisplayCaret(IPDF_Page* page,
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FPDF_BOOL bVisible,
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double left,
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double top,
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double right,
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double bottom);
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int GetCurrentPageIndex() const;
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void SetCurrentPage(int iCurPage);
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// TODO(dsinclair): This should probably change to PDFium?
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WideString FFI_GetAppName() const { return WideString(L"Acrobat"); }
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void GotoURL(const WideString& wsURL);
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FS_RECTF GetPageViewRect(IPDF_Page* page);
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bool PopupMenu(IPDF_Page* page,
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FPDF_WIDGET hWidget,
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int menuFlag,
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const CFX_PointF& pt);
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void EmailTo(FPDF_FILEHANDLER* fileHandler,
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FPDF_WIDESTRING pTo,
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FPDF_WIDESTRING pSubject,
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FPDF_WIDESTRING pCC,
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FPDF_WIDESTRING pBcc,
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FPDF_WIDESTRING pMsg);
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void UploadTo(FPDF_FILEHANDLER* fileHandler,
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int fileFlag,
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FPDF_WIDESTRING uploadTo);
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FPDF_FILEHANDLER* OpenFile(int fileType,
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FPDF_WIDESTRING wsURL,
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const char* mode);
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RetainPtr<IFX_SeekableReadStream> DownloadFromURL(const WideString& url);
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WideString 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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FPDF_BOOL PutRequestURL(const WideString& wsURL,
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const WideString& wsData,
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const WideString& wsEncode);
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void PageEvent(int iPageCount, uint32_t dwEventType) const;
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#endif // PDF_ENABLE_XFA
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#endif // PDF_ENABLE_V8
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WideString GetFilePath() const;
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ByteString GetAppName() const { return ByteString(); }
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TimerHandlerIface* GetTimerHandler() { return this; }
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IPWL_SystemHandler* GetSysHandler() { return this; }
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FPDF_FORMFILLINFO* GetFormFillInfo() const { return m_pInfo; }
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void SubmitForm(pdfium::span<uint8_t> form_data, const WideString& URL);
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CPDFSDK_AnnotHandlerMgr* GetAnnotHandlerMgr(); // Always present.
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// Creates if not present.
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CFFL_InteractiveFormFiller* GetInteractiveFormFiller();
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IJS_Runtime* GetIJSRuntime(); // Creates if not present.
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CPDFSDK_ActionHandler* GetActionHandler(); // Creates if not present.
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CPDFSDK_InteractiveForm* GetInteractiveForm(); // Creates if not present.
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private:
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IPDF_Page* GetPage(int nIndex);
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FPDF_FORMFILLINFO* const m_pInfo;
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std::unique_ptr<CPDFSDK_ActionHandler> m_pActionHandler;
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std::unique_ptr<IJS_Runtime> m_pIJSRuntime;
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std::map<IPDF_Page*, std::unique_ptr<CPDFSDK_PageView>> m_PageMap;
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std::unique_ptr<CPDFSDK_InteractiveForm> m_pInteractiveForm;
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ObservedPtr<CPDFSDK_Annot> m_pFocusAnnot;
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UnownedPtr<CPDF_Document> const m_pCPDFDoc;
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std::unique_ptr<CPDFSDK_AnnotHandlerMgr> m_pAnnotHandlerMgr;
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std::unique_ptr<CFFL_InteractiveFormFiller> m_pFormFiller;
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bool m_bChangeMask = false;
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bool m_bBeingDestroyed = false;
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};
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#endif // FPDFSDK_CPDFSDK_FORMFILLENVIRONMENT_H_
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