text: // 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
  
  #ifndef FPDFSDK_INCLUDE_FSDK_MGR_H_
  #define FPDFSDK_INCLUDE_FSDK_MGR_H_
  
  #include <map>
  #include <memory>
  #include <vector>
  
  #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
  #include "fpdfsdk/cfx_systemhandler.h"
  #include "fpdfsdk/include/fsdk_actionhandler.h"
  #include "fpdfsdk/include/fsdk_annothandler.h"
  #include "fpdfsdk/include/fsdk_baseannot.h"
  #include "fpdfsdk/include/fsdk_baseform.h"
  #include "fpdfsdk/include/fsdk_common.h"
  #include "fpdfsdk/include/fsdk_define.h"
  #include "public/fpdf_formfill.h"
  #include "public/fpdf_fwlevent.h"
  
  class CFFL_IFormFiller;
  class CFX_SystemHandler;
  class CPDFSDK_ActionHandler;
  class CPDFSDK_Annot;
  class CPDFSDK_InterForm;
  class CPDFSDK_PageView;
  class CPDFSDK_Widget;
  class IJS_Runtime;
  
  // NOTE: |bsUTF16LE| must outlive the use of the result. Care must be taken
  // since modifying the result would impact |bsUTF16LE|.
  FPDF_WIDESTRING AsFPDFWideString(CFX_ByteString* bsUTF16LE);
  
  class CPDFDoc_Environment final {
   public:
    CPDFDoc_Environment(UnderlyingDocumentType* pDoc, FPDF_FORMFILLINFO* pFFinfo);
    ~CPDFDoc_Environment();
  
  #ifdef PDF_ENABLE_XFA
    void Release() {
      if (m_pInfo && m_pInfo->Release)
        m_pInfo->Release(m_pInfo);
      delete this;
    }
  #endif  // PDF_ENABLE_XFA
  
    void FFI_Invalidate(FPDF_PAGE page,
                        double left,
                        double top,
                        double right,
                        double bottom) {
      if (m_pInfo && m_pInfo->FFI_Invalidate)
        m_pInfo->FFI_Invalidate(m_pInfo, page, left, top, right, bottom);
    }
  
    void FFI_OutputSelectedRect(FPDF_PAGE page,
                                double left,
                                double top,
                                double right,
                                double bottom) {
      if (m_pInfo && m_pInfo->FFI_OutputSelectedRect)
        m_pInfo->FFI_OutputSelectedRect(m_pInfo, page, left, top, right, bottom);
    }
  
    void FFI_SetCursor(int nCursorType) {
      if (m_pInfo && m_pInfo->FFI_SetCursor)
        m_pInfo->FFI_SetCursor(m_pInfo, nCursorType);
    }
  
    int FFI_SetTimer(int uElapse, TimerCallback lpTimerFunc) {
      if (m_pInfo && m_pInfo->FFI_SetTimer)
        return m_pInfo->FFI_SetTimer(m_pInfo, uElapse, lpTimerFunc);
      return -1;
    }
  
    void FFI_KillTimer(int nTimerID) {
      if (m_pInfo && m_pInfo->FFI_KillTimer)
        m_pInfo->FFI_KillTimer(m_pInfo, nTimerID);
    }
  
    FX_SYSTEMTIME FFI_GetLocalTime() const {
      FX_SYSTEMTIME fxtime;
      if (m_pInfo && m_pInfo->FFI_GetLocalTime) {
        FPDF_SYSTEMTIME systime = m_pInfo->FFI_GetLocalTime(m_pInfo);
        fxtime.wDay = systime.wDay;
        fxtime.wDayOfWeek = systime.wDayOfWeek;
        fxtime.wHour = systime.wHour;
        fxtime.wMilliseconds = systime.wMilliseconds;
        fxtime.wMinute = systime.wMinute;
        fxtime.wMonth = systime.wMonth;
        fxtime.wSecond = systime.wSecond;
        fxtime.wYear = systime.wYear;
      }
      return fxtime;
    }
  
    void FFI_OnChange() {
      if (m_pInfo && m_pInfo->FFI_OnChange)
        m_pInfo->FFI_OnChange(m_pInfo);
    }
  
    FX_BOOL FFI_IsSHIFTKeyDown(uint32_t nFlag) const {
      return (nFlag & FWL_EVENTFLAG_ShiftKey) != 0;
    }
  
    FX_BOOL FFI_IsCTRLKeyDown(uint32_t nFlag) const {
      return (nFlag & FWL_EVENTFLAG_ControlKey) != 0;
    }
  
    FX_BOOL FFI_IsALTKeyDown(uint32_t nFlag) const {
      return (nFlag & FWL_EVENTFLAG_AltKey) != 0;
    }
  
    FPDF_PAGE FFI_GetPage(FPDF_DOCUMENT document, int nPageIndex) {
      if (m_pInfo && m_pInfo->FFI_GetPage)
        return m_pInfo->FFI_GetPage(m_pInfo, document, nPageIndex);
      return NULL;
    }
  
    FPDF_PAGE FFI_GetCurrentPage(FPDF_DOCUMENT document) {
      if (m_pInfo && m_pInfo->FFI_GetCurrentPage)
        return m_pInfo->FFI_GetCurrentPage(m_pInfo, document);
      return NULL;
    }
  
    int FFI_GetRotation(FPDF_PAGE page) {
      if (m_pInfo && m_pInfo->FFI_GetRotation)
        return m_pInfo->FFI_GetRotation(m_pInfo, page);
      return 0;
    }
  
    void FFI_ExecuteNamedAction(const FX_CHAR* namedAction) {
      if (m_pInfo && m_pInfo->FFI_ExecuteNamedAction)
        m_pInfo->FFI_ExecuteNamedAction(m_pInfo, namedAction);
    }
  
    void FFI_OnSetFieldInputFocus(void* field,
                                  FPDF_WIDESTRING focusText,
                                  FPDF_DWORD nTextLen,
                                  FX_BOOL bFocus) {
      if (m_pInfo && m_pInfo->FFI_SetTextFieldFocus)
        m_pInfo->FFI_SetTextFieldFocus(m_pInfo, focusText, nTextLen, bFocus);
    }
  
    void FFI_DoURIAction(const FX_CHAR* bsURI) {
      if (m_pInfo && m_pInfo->FFI_DoURIAction)
        m_pInfo->FFI_DoURIAction(m_pInfo, bsURI);
    }
  
    void FFI_DoGoToAction(int nPageIndex,
                          int zoomMode,
                          float* fPosArray,
                          int sizeOfArray) {
      if (m_pInfo && m_pInfo->FFI_DoGoToAction)
        m_pInfo->FFI_DoGoToAction(m_pInfo, nPageIndex, zoomMode, fPosArray,
                                  sizeOfArray);
    }
  
  #ifdef PDF_ENABLE_XFA
    void FFI_DisplayCaret(FPDF_PAGE page,
                          FPDF_BOOL bVisible,
                          double left,
                          double top,
                          double right,
                          double bottom) {
      if (m_pInfo && m_pInfo->FFI_DisplayCaret)
        m_pInfo->FFI_DisplayCaret(m_pInfo, page, bVisible, left, top, right,
                                  bottom);
    }
  
    int FFI_GetCurrentPageIndex(FPDF_DOCUMENT document) {
      if (!m_pInfo || !m_pInfo->FFI_GetCurrentPageIndex) {
        return -1;
      }
      return m_pInfo->FFI_GetCurrentPageIndex(m_pInfo, document);
    }
  
    void FFI_SetCurrentPage(FPDF_DOCUMENT document, int iCurPage) {
      if (m_pInfo && m_pInfo->FFI_SetCurrentPage)
        m_pInfo->FFI_SetCurrentPage(m_pInfo, document, iCurPage);
    }
  
    CFX_WideString FFI_GetAppName() const { return CFX_WideString(L"Acrobat"); }
  
    CFX_WideString FFI_GetPlatform() {
      if (m_pInfo && m_pInfo->FFI_GetPlatform) {
        int nRequiredLen = m_pInfo->FFI_GetPlatform(m_pInfo, NULL, 0);
        if (nRequiredLen <= 0)
          return L"";
  
        char* pbuff = new char[nRequiredLen];
        memset(pbuff, 0, nRequiredLen);
        int nActualLen = m_pInfo->FFI_GetPlatform(m_pInfo, pbuff, nRequiredLen);
        if (nActualLen <= 0 || nActualLen > nRequiredLen) {
          delete[] pbuff;
          return L"";
        }
        CFX_ByteString bsRet = CFX_ByteString(pbuff, nActualLen);
        CFX_WideString wsRet = CFX_WideString::FromUTF16LE(
            (unsigned short*)bsRet.GetBuffer(bsRet.GetLength()),
            bsRet.GetLength() / sizeof(unsigned short));
        delete[] pbuff;
        return wsRet;
      }
      return L"";
    }
  
    void FFI_GotoURL(FPDF_DOCUMENT document,
                     const CFX_WideStringC& wsURL,
                     FX_BOOL bAppend) {
      if (m_pInfo && m_pInfo->FFI_GotoURL) {
        CFX_ByteString bsTo = CFX_WideString(wsURL).UTF16LE_Encode();
        FPDF_WIDESTRING pTo = (FPDF_WIDESTRING)bsTo.GetBuffer(wsURL.GetLength());
        m_pInfo->FFI_GotoURL(m_pInfo, document, pTo);
        bsTo.ReleaseBuffer();
      }
    }
  
    void FFI_GetURL(FPDF_DOCUMENT document, CFX_WideString& wsURL) {
      wsURL = CFX_WideString();
    }
  
    void FFI_GetPageViewRect(FPDF_PAGE page, FS_RECTF& dstRect) {
      if (m_pInfo && m_pInfo->FFI_GetPageViewRect) {
        double left;
        double top;
        double right;
        double bottom;
        m_pInfo->FFI_GetPageViewRect(m_pInfo, page, &left, &top, &right, &bottom);
  
        dstRect.left = static_cast<float>(left);
        dstRect.top = static_cast<float>(top < bottom ? bottom : top);
        dstRect.bottom = static_cast<float>(top < bottom ? top : bottom);
        dstRect.right = static_cast<float>(right);
      }
    }
  
    FX_BOOL FFI_PopupMenu(FPDF_PAGE page,
                          FPDF_WIDGET hWidget,
                          int menuFlag,
                          CFX_PointF ptPopup,
                          const CFX_PointF* pRectExclude) {
      if (m_pInfo && m_pInfo->FFI_PopupMenu)
        return m_pInfo->FFI_PopupMenu(m_pInfo, page, hWidget, menuFlag, ptPopup.x,
                                      ptPopup.y);
      return FALSE;
    }
  
    void FFI_Alert(FPDF_WIDESTRING Msg,
                   FPDF_WIDESTRING Title,
                   int Type,
                   int Icon) {
      if (m_pInfo && m_pInfo->m_pJsPlatform && m_pInfo->m_pJsPlatform->app_alert)
        m_pInfo->m_pJsPlatform->app_alert(m_pInfo->m_pJsPlatform, Msg, Title,
                                          Type, Icon);
    }
  
    void FFI_EmailTo(FPDF_FILEHANDLER* fileHandler,
                     FPDF_WIDESTRING pTo,
                     FPDF_WIDESTRING pSubject,
                     FPDF_WIDESTRING pCC,
                     FPDF_WIDESTRING pBcc,
                     FPDF_WIDESTRING pMsg) {
      if (m_pInfo && m_pInfo->FFI_EmailTo)
        m_pInfo->FFI_EmailTo(m_pInfo, fileHandler, pTo, pSubject, pCC, pBcc,
                             pMsg);
    }
  
    void FFI_UploadTo(FPDF_FILEHANDLER* fileHandler,
                      int fileFlag,
                      FPDF_WIDESTRING uploadTo) {
      if (m_pInfo && m_pInfo->FFI_UploadTo)
        m_pInfo->FFI_UploadTo(m_pInfo, fileHandler, fileFlag, uploadTo);
    }
  
    FPDF_FILEHANDLER* FFI_OpenFile(int fileType,
                                   FPDF_WIDESTRING wsURL,
                                   const char* mode) {
      if (m_pInfo && m_pInfo->FFI_OpenFile)
        return m_pInfo->FFI_OpenFile(m_pInfo, fileType, wsURL, mode);
      return NULL;
    }
  
    CFX_WideString FFI_GetFilePath(FPDF_FILEHANDLER* pFileHandler) const {
      return L"";
    }
  
    int FFI_GetDocumentCount() const { return 0; }
    int FFI_GetCurDocument() const { return 0; }
  
    IFX_FileRead* FFI_DownloadFromURL(const FX_WCHAR* url) {
      if (m_pInfo && m_pInfo->FFI_DownloadFromURL) {
        CFX_ByteString bstrURL = CFX_WideString(url).UTF16LE_Encode();
        FPDF_WIDESTRING wsURL =
            (FPDF_WIDESTRING)bstrURL.GetBuffer(bstrURL.GetLength());
  
        FPDF_LPFILEHANDLER fileHandler =
            m_pInfo->FFI_DownloadFromURL(m_pInfo, wsURL);
  
        return new CFPDF_FileStream(fileHandler);
      }
      return NULL;
    }
  
    CFX_WideString FFI_PostRequestURL(const FX_WCHAR* wsURL,
                                      const FX_WCHAR* wsData,
                                      const FX_WCHAR* wsContentType,
                                      const FX_WCHAR* wsEncode,
                                      const FX_WCHAR* wsHeader) {
      if (m_pInfo && m_pInfo->FFI_PostRequestURL) {
        CFX_ByteString bsURL = CFX_WideString(wsURL).UTF16LE_Encode();
        FPDF_WIDESTRING URL = (FPDF_WIDESTRING)bsURL.GetBuffer(bsURL.GetLength());
  
        CFX_ByteString bsData = CFX_WideString(wsData).UTF16LE_Encode();
        FPDF_WIDESTRING data =
            (FPDF_WIDESTRING)bsData.GetBuffer(bsData.GetLength());
  
        CFX_ByteString bsContentType =
            CFX_WideString(wsContentType).UTF16LE_Encode();
        FPDF_WIDESTRING contentType =
            (FPDF_WIDESTRING)bsContentType.GetBuffer(bsContentType.GetLength());
  
        CFX_ByteString bsEncode = CFX_WideString(wsEncode).UTF16LE_Encode();
        FPDF_WIDESTRING encode =
            (FPDF_WIDESTRING)bsEncode.GetBuffer(bsEncode.GetLength());
  
        CFX_ByteString bsHeader = CFX_WideString(wsHeader).UTF16LE_Encode();
        FPDF_WIDESTRING header =
            (FPDF_WIDESTRING)bsHeader.GetBuffer(bsHeader.GetLength());
  
        FPDF_BSTR response;
        FPDF_BStr_Init(&response);
        m_pInfo->FFI_PostRequestURL(m_pInfo, URL, data, contentType, encode,
                                    header, &response);
  
        CFX_WideString wsRet = CFX_WideString::FromUTF16LE(
            (unsigned short*)response.str, response.len / sizeof(unsigned short));
        FPDF_BStr_Clear(&response);
  
        return wsRet;
      }
      return L"";
    }
  
    FPDF_BOOL FFI_PutRequestURL(const FX_WCHAR* wsURL,
                                const FX_WCHAR* wsData,
                                const FX_WCHAR* wsEncode) {
      if (m_pInfo && m_pInfo->FFI_PutRequestURL) {
        CFX_ByteString bsURL = CFX_WideString(wsURL).UTF16LE_Encode();
        FPDF_WIDESTRING URL = (FPDF_WIDESTRING)bsURL.GetBuffer(bsURL.GetLength());
  
        CFX_ByteString bsData = CFX_WideString(wsData).UTF16LE_Encode();
        FPDF_WIDESTRING data =
            (FPDF_WIDESTRING)bsData.GetBuffer(bsData.GetLength());
  
        CFX_ByteString bsEncode = CFX_WideString(wsEncode).UTF16LE_Encode();
        FPDF_WIDESTRING encode =
            (FPDF_WIDESTRING)bsEncode.GetBuffer(bsEncode.GetLength());
  
        return m_pInfo->FFI_PutRequestURL(m_pInfo, URL, data, encode);
      }
      return FALSE;
    }
  
    CFX_WideString FFI_GetLanguage() {
      if (m_pInfo && m_pInfo->FFI_GetLanguage) {
        int nRequiredLen = m_pInfo->FFI_GetLanguage(m_pInfo, NULL, 0);
        if (nRequiredLen <= 0)
          return L"";
  
        char* pbuff = new char[nRequiredLen];
        memset(pbuff, 0, nRequiredLen);
        int nActualLen = m_pInfo->FFI_GetLanguage(m_pInfo, pbuff, nRequiredLen);
        if (nActualLen <= 0 || nActualLen > nRequiredLen) {
          delete[] pbuff;
          return L"";
        }
        CFX_ByteString bsRet = CFX_ByteString(pbuff, nActualLen);
        CFX_WideString wsRet = CFX_WideString::FromUTF16LE(
            (unsigned short*)bsRet.GetBuffer(bsRet.GetLength()),
            bsRet.GetLength() / sizeof(unsigned short));
        delete[] pbuff;
        return wsRet;
      }
      return L"";
    }
  
    void FFI_PageEvent(int iPageCount, uint32_t dwEventType) const {
      if (m_pInfo && m_pInfo->FFI_PageEvent)
        m_pInfo->FFI_PageEvent(m_pInfo, iPageCount, dwEventType);
    }
  #endif  // PDF_ENABLE_XFA
  
    int JS_appAlert(const FX_WCHAR* Msg,
                    const FX_WCHAR* Title,
                    FX_UINT Type,
                    FX_UINT Icon);
    int JS_appResponse(const FX_WCHAR* Question,
                       const FX_WCHAR* Title,
                       const FX_WCHAR* Default,
                       const FX_WCHAR* cLabel,
                       FPDF_BOOL bPassword,
                       void* response,
                       int length);
    void JS_appBeep(int nType);
    CFX_WideString JS_fieldBrowse();
    CFX_WideString JS_docGetFilePath();
    void JS_docSubmitForm(void* formData, int length, const FX_WCHAR* URL);
    void JS_docmailForm(void* mailData,
                        int length,
                        FPDF_BOOL bUI,
                        const FX_WCHAR* To,
                        const FX_WCHAR* Subject,
                        const FX_WCHAR* CC,
                        const FX_WCHAR* BCC,
                        const FX_WCHAR* Msg);
    void JS_docprint(FPDF_BOOL bUI,
                     int nStart,
                     int nEnd,
                     FPDF_BOOL bSilent,
                     FPDF_BOOL bShrinkToFit,
                     FPDF_BOOL bPrintAsImage,
                     FPDF_BOOL bReverse,
                     FPDF_BOOL bAnnotations);
    void JS_docgotoPage(int nPageNum);
  
    FX_BOOL IsJSInitiated() const { return m_pInfo && m_pInfo->m_pJsPlatform; }
    void SetSDKDocument(CPDFSDK_Document* pFXDoc) { m_pSDKDoc = pFXDoc; }
    CPDFSDK_Document* GetSDKDocument() const { return m_pSDKDoc; }
    UnderlyingDocumentType* GetUnderlyingDocument() const {
      return m_pUnderlyingDoc;
    }
    CFX_ByteString GetAppName() const { return ""; }
    CFX_SystemHandler* GetSysHandler() const { return m_pSysHandler.get(); }
    FPDF_FORMFILLINFO* GetFormFillInfo() const { return m_pInfo; }
  
    CFFL_IFormFiller* GetIFormFiller();             // Creates if not present.
    CPDFSDK_AnnotHandlerMgr* GetAnnotHandlerMgr();  // Creates if not present.
    IJS_Runtime* GetJSRuntime();                    // Creates if not present.
    CPDFSDK_ActionHandler* GetActionHander();       // Creates if not present.
  
   private:
    std::unique_ptr<CPDFSDK_AnnotHandlerMgr> m_pAnnotHandlerMgr;
    std::unique_ptr<CPDFSDK_ActionHandler> m_pActionHandler;
    std::unique_ptr<IJS_Runtime> m_pJSRuntime;
    FPDF_FORMFILLINFO* const m_pInfo;
    CPDFSDK_Document* m_pSDKDoc;
    UnderlyingDocumentType* const m_pUnderlyingDoc;
    std::unique_ptr<CFFL_IFormFiller> m_pIFormFiller;
    std::unique_ptr<CFX_SystemHandler> m_pSysHandler;
  };
  
  class CPDFSDK_Document {
   public:
    static CPDFSDK_Document* FromFPDFFormHandle(FPDF_FORMHANDLE hHandle);
  
    CPDFSDK_Document(UnderlyingDocumentType* pDoc, CPDFDoc_Environment* pEnv);
    ~CPDFSDK_Document();
  
    CPDFSDK_InterForm* GetInterForm();
  
    // Gets the document object for the next layer down; for master this is
    // a CPDF_Document, but for XFA it is a CPDFXFA_Document.
    UnderlyingDocumentType* GetUnderlyingDocument() const {
  #ifdef PDF_ENABLE_XFA
      return GetXFADocument();
  #else   // PDF_ENABLE_XFA
      return GetPDFDocument();
  #endif  // PDF_ENABLE_XFA
    }
  
    // Gets the CPDF_Document, either directly in master, or from the
    // CPDFXFA_Document for XFA.
    CPDF_Document* GetPDFDocument() const {
  #ifdef PDF_ENABLE_XFA
      return m_pDoc ? m_pDoc->GetPDFDoc() : nullptr;
  #else   // PDF_ENABLE_XFA
      return m_pDoc;
  #endif  // PDF_ENABLE_XFA
    }
  
  #ifdef PDF_ENABLE_XFA
    // Gets the XFA document directly (XFA-only).
    CPDFXFA_Document* GetXFADocument() const { return m_pDoc; }
  
    int GetPageViewCount() const { return m_pageMap.size(); }
  #endif  // PDF_ENABLE_XFA
  
    CPDFSDK_PageView* GetPageView(UnderlyingPageType* pPage,
                                  FX_BOOL ReNew = TRUE);
    CPDFSDK_PageView* GetPageView(int nIndex);
    CPDFSDK_PageView* GetCurrentView();
    void RemovePageView(UnderlyingPageType* pPage);
    void UpdateAllViews(CPDFSDK_PageView* pSender, CPDFSDK_Annot* pAnnot);
  
    CPDFSDK_Annot* GetFocusAnnot();
  
    IJS_Runtime* GetJsRuntime();
  
    FX_BOOL SetFocusAnnot(CPDFSDK_Annot* pAnnot, FX_UINT nFlag = 0);
    FX_BOOL KillFocusAnnot(FX_UINT nFlag = 0);
  
    FX_BOOL ExtractPages(const std::vector<uint16_t>& arrExtraPages,
                         CPDF_Document* pDstDoc);
    FX_BOOL InsertPages(int nInsertAt,
                        const CPDF_Document* pSrcDoc,
                        const std::vector<uint16_t>& arrSrcPages);
    FX_BOOL ReplacePages(int nPage,
                         const CPDF_Document* pSrcDoc,
                         const std::vector<uint16_t>& arrSrcPages);
  
    void OnCloseDocument();
  
    int GetPageCount() { return m_pDoc->GetPageCount(); }
    FX_BOOL GetPermissions(int nFlag);
    FX_BOOL GetChangeMark() { return m_bChangeMask; }
    void SetChangeMark() { m_bChangeMask = TRUE; }
    void ClearChangeMark() { m_bChangeMask = FALSE; }
    CFX_WideString GetPath();
    UnderlyingPageType* GetPage(int nIndex);
    CPDFDoc_Environment* GetEnv() { return m_pEnv; }
    void ProcJavascriptFun();
    FX_BOOL ProcOpenAction();
    CPDF_OCContext* GetOCContext();
  
   private:
    std::map<UnderlyingPageType*, CPDFSDK_PageView*> m_pageMap;
    UnderlyingDocumentType* m_pDoc;
    std::unique_ptr<CPDFSDK_InterForm> m_pInterForm;
    CPDFSDK_Annot* m_pFocusAnnot;
    CPDFDoc_Environment* m_pEnv;
    std::unique_ptr<CPDF_OCContext> m_pOccontent;
    FX_BOOL m_bChangeMask;
    FX_BOOL m_bBeingDestroyed;
  };
  
  class CPDFSDK_PageView final {
   public:
    CPDFSDK_PageView(CPDFSDK_Document* pSDKDoc, UnderlyingPageType* page);
    ~CPDFSDK_PageView();
  
  #ifdef PDF_ENABLE_XFA
    void PageView_OnDraw(CFX_RenderDevice* pDevice,
                         CFX_Matrix* pUser2Device,
                         CPDF_RenderOptions* pOptions,
                         const FX_RECT& pClip);
  #else   // PDF_ENABLE_XFA
    void PageView_OnDraw(CFX_RenderDevice* pDevice,
                         CFX_Matrix* pUser2Device,
                         CPDF_RenderOptions* pOptions);
  #endif  // PDF_ENABLE_XFA
  
    const CPDF_Annot* GetPDFAnnotAtPoint(FX_FLOAT pageX, FX_FLOAT pageY);
    CPDFSDK_Annot* GetFXAnnotAtPoint(FX_FLOAT pageX, FX_FLOAT pageY);
    const CPDF_Annot* GetPDFWidgetAtPoint(FX_FLOAT pageX, FX_FLOAT pageY);
    CPDFSDK_Annot* GetFXWidgetAtPoint(FX_FLOAT pageX, FX_FLOAT pageY);
    CPDFSDK_Annot* GetFocusAnnot();
    void SetFocusAnnot(CPDFSDK_Annot* pSDKAnnot, FX_UINT nFlag = 0) {
      m_pSDKDoc->SetFocusAnnot(pSDKAnnot, nFlag);
    }
    FX_BOOL KillFocusAnnot(FX_UINT nFlag = 0) {
      return m_pSDKDoc->KillFocusAnnot(nFlag);
    }
    void KillFocusAnnotIfNeeded();
    FX_BOOL Annot_HasAppearance(CPDF_Annot* pAnnot);
  
    CPDFSDK_Annot* AddAnnot(CPDF_Dictionary* pDict);
    CPDFSDK_Annot* AddAnnot(const FX_CHAR* lpSubType, CPDF_Dictionary* pDict);
    CPDFSDK_Annot* AddAnnot(CPDF_Annot* pPDFAnnot);
  
    FX_BOOL DeleteAnnot(CPDFSDK_Annot* pAnnot);
    size_t CountAnnots() const;
    CPDFSDK_Annot* GetAnnot(size_t nIndex);
    CPDFSDK_Annot* GetAnnotByDict(CPDF_Dictionary* pDict);
  
  #ifdef PDF_ENABLE_XFA
    CPDFSDK_Annot* AddAnnot(CXFA_FFWidget* pPDFAnnot);
    CPDFSDK_Annot* GetAnnotByXFAWidget(CXFA_FFWidget* hWidget);
    CPDFXFA_Page* GetPDFXFAPage() { return m_page; }
    CPDF_Page* GetPDFPage();
  #else
    CPDF_Page* GetPDFPage() { return m_page; }
  #endif  // PDF_ENABLE_XFA
  
    CPDF_Document* GetPDFDocument();
    CPDFSDK_Document* GetSDKDocument() { return m_pSDKDoc; }
    FX_BOOL OnLButtonDown(const CFX_FloatPoint& point, FX_UINT nFlag);
    FX_BOOL OnLButtonUp(const CFX_FloatPoint& point, FX_UINT nFlag);
  #ifdef PDF_ENABLE_XFA
    FX_BOOL OnRButtonDown(const CFX_FloatPoint& point, FX_UINT nFlag);
    FX_BOOL OnRButtonUp(const CFX_FloatPoint& point, FX_UINT nFlag);
  #endif  // PDF_ENABLE_XFA
    FX_BOOL OnChar(int nChar, FX_UINT nFlag);
    FX_BOOL OnKeyDown(int nKeyCode, int nFlag);
    FX_BOOL OnKeyUp(int nKeyCode, int nFlag);
  
    FX_BOOL OnMouseMove(const CFX_FloatPoint& point, int nFlag);
    FX_BOOL OnMouseWheel(double deltaX,
                         double deltaY,
                         const CFX_FloatPoint& point,
                         int nFlag);
    bool IsValidAnnot(const CPDF_Annot* p) const;
    void GetCurrentMatrix(CFX_Matrix& matrix) { matrix = m_curMatrix; }
    void UpdateRects(const std::vector<CFX_FloatRect>& rects);
    void UpdateView(CPDFSDK_Annot* pAnnot);
    const std::vector<CPDFSDK_Annot*>& GetAnnotList() const {
      return m_fxAnnotArray;
    }
  
    int GetPageIndex();
    void LoadFXAnnots();
    void ClearFXAnnots();
    void SetValid(FX_BOOL bValid) { m_bValid = bValid; }
    FX_BOOL IsValid() { return m_bValid; }
    void SetLock(FX_BOOL bLocked) { m_bLocked = bLocked; }
    FX_BOOL IsLocked() { return m_bLocked; }
  #ifndef PDF_ENABLE_XFA
    void TakeOverPage() { m_bTakeOverPage = TRUE; }
  #endif  // PDF_ENABLE_XFA
  
   private:
    void PageView_OnHighlightFormFields(CFX_RenderDevice* pDevice,
                                        CPDFSDK_Widget* pWidget);
  
    CFX_Matrix m_curMatrix;
    UnderlyingPageType* m_page;
    std::unique_ptr<CPDF_AnnotList> m_pAnnotList;
    std::vector<CPDFSDK_Annot*> m_fxAnnotArray;
    CPDFSDK_Document* m_pSDKDoc;
  #ifdef PDF_ENABLE_XFA
    CPDFSDK_Annot* m_CaptureWidget;
  #else  // PDF_ENABLE_XFA
    CPDFSDK_Widget* m_CaptureWidget;
    FX_BOOL m_bTakeOverPage;
  #endif  // PDF_ENABLE_XFA
    FX_BOOL m_bEnterWidget;
    FX_BOOL m_bExitWidget;
    FX_BOOL m_bOnWidget;
    FX_BOOL m_bValid;
    FX_BOOL m_bLocked;
  };
  
  #endif  // FPDFSDK_INCLUDE_FSDK_MGR_H_
  