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      1 // Copyright 2014 PDFium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
      6 
      7 #ifndef FPDFSDK_INCLUDE_FSDK_MGR_H_
      8 #define FPDFSDK_INCLUDE_FSDK_MGR_H_
      9 
     10 #include <map>
     11 #include <memory>
     12 
     13 #include "core/include/fpdftext/fpdf_text.h"
     14 #include "fsdk_actionhandler.h"
     15 #include "fsdk_annothandler.h"
     16 #include "fsdk_baseannot.h"
     17 #include "fsdk_baseform.h"
     18 #include "fsdk_common.h"
     19 #include "fsdk_define.h"
     20 #include "fx_systemhandler.h"
     21 #include "javascript/IJavaScript.h"
     22 #include "public/fpdf_formfill.h"
     23 #include "public/fpdf_fwlevent.h"  // cross platform keycode and events define.
     24 
     25 #ifdef PDF_ENABLE_XFA
     26 #include "fpdfsdk/include/fpdfxfa/fpdfxfa_doc.h"
     27 #include "fpdfsdk/include/fpdfxfa/fpdfxfa_page.h"
     28 #endif  // PDF_ENABLE_XFA
     29 
     30 class CFFL_IFormFiller;
     31 class CPDFSDK_ActionHandler;
     32 class CPDFSDK_Annot;
     33 class CPDFSDK_Document;
     34 class CPDFSDK_InterForm;
     35 class CPDFSDK_PageView;
     36 class CPDFSDK_Widget;
     37 class IFX_SystemHandler;
     38 
     39 class CPDFDoc_Environment final {
     40  public:
     41   CPDFDoc_Environment(UnderlyingDocumentType* pDoc, FPDF_FORMFILLINFO* pFFinfo);
     42   ~CPDFDoc_Environment();
     43 
     44 #ifdef PDF_ENABLE_XFA
     45   void Release() {
     46     if (m_pInfo && m_pInfo->Release)
     47       m_pInfo->Release(m_pInfo);
     48     delete this;
     49   }
     50 #endif  // PDF_ENABLE_XFA
     51 
     52   void FFI_Invalidate(FPDF_PAGE page,
     53                       double left,
     54                       double top,
     55                       double right,
     56                       double bottom) {
     57     if (m_pInfo && m_pInfo->FFI_Invalidate)
     58       m_pInfo->FFI_Invalidate(m_pInfo, page, left, top, right, bottom);
     59   }
     60 
     61   void FFI_OutputSelectedRect(FPDF_PAGE page,
     62                               double left,
     63                               double top,
     64                               double right,
     65                               double bottom) {
     66     if (m_pInfo && m_pInfo->FFI_OutputSelectedRect)
     67       m_pInfo->FFI_OutputSelectedRect(m_pInfo, page, left, top, right, bottom);
     68   }
     69 
     70   void FFI_SetCursor(int nCursorType) {
     71     if (m_pInfo && m_pInfo->FFI_SetCursor)
     72       m_pInfo->FFI_SetCursor(m_pInfo, nCursorType);
     73   }
     74 
     75   int FFI_SetTimer(int uElapse, TimerCallback lpTimerFunc) {
     76     if (m_pInfo && m_pInfo->FFI_SetTimer)
     77       return m_pInfo->FFI_SetTimer(m_pInfo, uElapse, lpTimerFunc);
     78     return -1;
     79   }
     80 
     81   void FFI_KillTimer(int nTimerID) {
     82     if (m_pInfo && m_pInfo->FFI_KillTimer)
     83       m_pInfo->FFI_KillTimer(m_pInfo, nTimerID);
     84   }
     85 
     86   FX_SYSTEMTIME FFI_GetLocalTime() const {
     87     FX_SYSTEMTIME fxtime;
     88     if (m_pInfo && m_pInfo->FFI_GetLocalTime) {
     89       FPDF_SYSTEMTIME systime = m_pInfo->FFI_GetLocalTime(m_pInfo);
     90       fxtime.wDay = systime.wDay;
     91       fxtime.wDayOfWeek = systime.wDayOfWeek;
     92       fxtime.wHour = systime.wHour;
     93       fxtime.wMilliseconds = systime.wMilliseconds;
     94       fxtime.wMinute = systime.wMinute;
     95       fxtime.wMonth = systime.wMonth;
     96       fxtime.wSecond = systime.wSecond;
     97       fxtime.wYear = systime.wYear;
     98     }
     99     return fxtime;
    100   }
    101 
    102   void FFI_OnChange() {
    103     if (m_pInfo && m_pInfo->FFI_OnChange)
    104       m_pInfo->FFI_OnChange(m_pInfo);
    105   }
    106 
    107   FX_BOOL FFI_IsSHIFTKeyDown(FX_DWORD nFlag) const {
    108     return (nFlag & FWL_EVENTFLAG_ShiftKey) != 0;
    109   }
    110 
    111   FX_BOOL FFI_IsCTRLKeyDown(FX_DWORD nFlag) const {
    112     return (nFlag & FWL_EVENTFLAG_ControlKey) != 0;
    113   }
    114 
    115   FX_BOOL FFI_IsALTKeyDown(FX_DWORD nFlag) const {
    116     return (nFlag & FWL_EVENTFLAG_AltKey) != 0;
    117   }
    118 
    119   FX_BOOL FFI_IsINSERTKeyDown(FX_DWORD nFlag) const { return FALSE; }
    120 
    121   int JS_appAlert(const FX_WCHAR* Msg,
    122                   const FX_WCHAR* Title,
    123                   FX_UINT Type,
    124                   FX_UINT Icon);
    125   int JS_appResponse(const FX_WCHAR* Question,
    126                      const FX_WCHAR* Title,
    127                      const FX_WCHAR* Default,
    128                      const FX_WCHAR* cLabel,
    129                      FPDF_BOOL bPassword,
    130                      void* response,
    131                      int length);
    132 
    133   void JS_appBeep(int nType) {
    134     if (m_pInfo && m_pInfo->m_pJsPlatform && m_pInfo->m_pJsPlatform->app_beep)
    135       m_pInfo->m_pJsPlatform->app_beep(m_pInfo->m_pJsPlatform, nType);
    136   }
    137 
    138   CFX_WideString JS_fieldBrowse();
    139   CFX_WideString JS_docGetFilePath();
    140 
    141   void JS_docSubmitForm(void* formData, int length, const FX_WCHAR* URL);
    142   void JS_docmailForm(void* mailData,
    143                       int length,
    144                       FPDF_BOOL bUI,
    145                       const FX_WCHAR* To,
    146                       const FX_WCHAR* Subject,
    147                       const FX_WCHAR* CC,
    148                       const FX_WCHAR* BCC,
    149                       const FX_WCHAR* Msg);
    150 
    151   void JS_docprint(FPDF_BOOL bUI,
    152                    int nStart,
    153                    int nEnd,
    154                    FPDF_BOOL bSilent,
    155                    FPDF_BOOL bShrinkToFit,
    156                    FPDF_BOOL bPrintAsImage,
    157                    FPDF_BOOL bReverse,
    158                    FPDF_BOOL bAnnotations) {
    159     if (m_pInfo && m_pInfo->m_pJsPlatform && m_pInfo->m_pJsPlatform->Doc_print)
    160       m_pInfo->m_pJsPlatform->Doc_print(m_pInfo->m_pJsPlatform, bUI, nStart,
    161                                         nEnd, bSilent, bShrinkToFit,
    162                                         bPrintAsImage, bReverse, bAnnotations);
    163   }
    164 
    165   void JS_docgotoPage(int nPageNum) {
    166     if (m_pInfo && m_pInfo->m_pJsPlatform &&
    167         m_pInfo->m_pJsPlatform->Doc_gotoPage)
    168       m_pInfo->m_pJsPlatform->Doc_gotoPage(m_pInfo->m_pJsPlatform, nPageNum);
    169   }
    170 
    171   FPDF_PAGE FFI_GetPage(FPDF_DOCUMENT document, int nPageIndex) {
    172     if (m_pInfo && m_pInfo->FFI_GetPage)
    173       return m_pInfo->FFI_GetPage(m_pInfo, document, nPageIndex);
    174     return NULL;
    175   }
    176 
    177   FPDF_PAGE FFI_GetCurrentPage(FPDF_DOCUMENT document) {
    178     if (m_pInfo && m_pInfo->FFI_GetCurrentPage)
    179       return m_pInfo->FFI_GetCurrentPage(m_pInfo, document);
    180     return NULL;
    181   }
    182 
    183   int FFI_GetRotation(FPDF_PAGE page) {
    184     if (m_pInfo && m_pInfo->FFI_GetRotation)
    185       return m_pInfo->FFI_GetRotation(m_pInfo, page);
    186     return 0;
    187   }
    188 
    189   void FFI_ExecuteNamedAction(const FX_CHAR* namedAction) {
    190     if (m_pInfo && m_pInfo->FFI_ExecuteNamedAction)
    191       m_pInfo->FFI_ExecuteNamedAction(m_pInfo, namedAction);
    192   }
    193 
    194   void FFI_OnSetFieldInputFocus(void* field,
    195                                 FPDF_WIDESTRING focusText,
    196                                 FPDF_DWORD nTextLen,
    197                                 FX_BOOL bFocus) {
    198     if (m_pInfo && m_pInfo->FFI_SetTextFieldFocus)
    199       m_pInfo->FFI_SetTextFieldFocus(m_pInfo, focusText, nTextLen, bFocus);
    200   }
    201 
    202   void FFI_DoURIAction(const FX_CHAR* bsURI) {
    203     if (m_pInfo && m_pInfo->FFI_DoURIAction)
    204       m_pInfo->FFI_DoURIAction(m_pInfo, bsURI);
    205   }
    206 
    207   void FFI_DoGoToAction(int nPageIndex,
    208                         int zoomMode,
    209                         float* fPosArray,
    210                         int sizeOfArray) {
    211     if (m_pInfo && m_pInfo->FFI_DoGoToAction)
    212       m_pInfo->FFI_DoGoToAction(m_pInfo, nPageIndex, zoomMode, fPosArray,
    213                                 sizeOfArray);
    214   }
    215 
    216 #ifdef PDF_ENABLE_XFA
    217   void FFI_DisplayCaret(FPDF_PAGE page,
    218                         FPDF_BOOL bVisible,
    219                         double left,
    220                         double top,
    221                         double right,
    222                         double bottom) {
    223     if (m_pInfo && m_pInfo->FFI_DisplayCaret)
    224       m_pInfo->FFI_DisplayCaret(m_pInfo, page, bVisible, left, top, right,
    225                                 bottom);
    226   }
    227 
    228   int FFI_GetCurrentPageIndex(FPDF_DOCUMENT document) {
    229     if (!m_pInfo || !m_pInfo->FFI_GetCurrentPageIndex) {
    230       return -1;
    231     }
    232     return m_pInfo->FFI_GetCurrentPageIndex(m_pInfo, document);
    233   }
    234 
    235   void FFI_SetCurrentPage(FPDF_DOCUMENT document, int iCurPage) {
    236     if (m_pInfo && m_pInfo->FFI_SetCurrentPage)
    237       m_pInfo->FFI_SetCurrentPage(m_pInfo, document, iCurPage);
    238   }
    239 
    240   CFX_WideString FFI_GetAppName() const { return CFX_WideString(L"Acrobat"); }
    241 
    242   CFX_WideString FFI_GetPlatform() {
    243     if (m_pInfo && m_pInfo->FFI_GetPlatform) {
    244       int nRequiredLen = m_pInfo->FFI_GetPlatform(m_pInfo, NULL, 0);
    245       if (nRequiredLen <= 0)
    246         return L"";
    247 
    248       char* pbuff = new char[nRequiredLen];
    249       memset(pbuff, 0, nRequiredLen);
    250       int nActualLen = m_pInfo->FFI_GetPlatform(m_pInfo, pbuff, nRequiredLen);
    251       if (nActualLen <= 0 || nActualLen > nRequiredLen) {
    252         delete[] pbuff;
    253         return L"";
    254       }
    255       CFX_ByteString bsRet = CFX_ByteString(pbuff, nActualLen);
    256       CFX_WideString wsRet = CFX_WideString::FromUTF16LE(
    257           (unsigned short*)bsRet.GetBuffer(bsRet.GetLength()),
    258           bsRet.GetLength() / sizeof(unsigned short));
    259       delete[] pbuff;
    260       return wsRet;
    261     }
    262     return L"";
    263   }
    264 
    265   void FFI_GotoURL(FPDF_DOCUMENT document,
    266                    const CFX_WideStringC& wsURL,
    267                    FX_BOOL bAppend) {
    268     if (m_pInfo && m_pInfo->FFI_GotoURL) {
    269       CFX_ByteString bsTo = CFX_WideString(wsURL).UTF16LE_Encode();
    270       FPDF_WIDESTRING pTo = (FPDF_WIDESTRING)bsTo.GetBuffer(wsURL.GetLength());
    271       m_pInfo->FFI_GotoURL(m_pInfo, document, pTo);
    272       bsTo.ReleaseBuffer();
    273     }
    274   }
    275 
    276   void FFI_GetURL(FPDF_DOCUMENT document, CFX_WideString& wsURL) {
    277     wsURL = CFX_WideString();
    278   }
    279 
    280   void FFI_AddDoRecord(FPDF_DOCUMENT document, FPDF_WIDGET hWidget) {}
    281   void FFI_PageEvent(FPDF_PAGE page, FPDF_DWORD flag) {}
    282 
    283   void FFI_GetPageViewRect(FPDF_PAGE page, FS_RECTF& dstRect) {
    284     if (m_pInfo && m_pInfo->FFI_GetPageViewRect) {
    285       double left;
    286       double top;
    287       double right;
    288       double bottom;
    289       m_pInfo->FFI_GetPageViewRect(m_pInfo, page, &left, &top, &right, &bottom);
    290 
    291       dstRect.left = static_cast<float>(left);
    292       dstRect.top = static_cast<float>(top < bottom ? bottom : top);
    293       dstRect.bottom = static_cast<float>(top < bottom ? top : bottom);
    294       dstRect.right = static_cast<float>(right);
    295     }
    296   }
    297 
    298   FX_BOOL FFI_PopupMenu(FPDF_PAGE page,
    299                         FPDF_WIDGET hWidget,
    300                         int menuFlag,
    301                         CFX_PointF ptPopup,
    302                         const CFX_PointF* pRectExclude) {
    303     if (m_pInfo && m_pInfo->FFI_PopupMenu)
    304       return m_pInfo->FFI_PopupMenu(m_pInfo, page, hWidget, menuFlag, ptPopup.x,
    305                                     ptPopup.y);
    306     return FALSE;
    307   }
    308 
    309   void FFI_Alert(FPDF_WIDESTRING Msg,
    310                  FPDF_WIDESTRING Title,
    311                  int Type,
    312                  int Icon) {
    313     if (m_pInfo && m_pInfo->m_pJsPlatform && m_pInfo->m_pJsPlatform->app_alert)
    314       m_pInfo->m_pJsPlatform->app_alert(m_pInfo->m_pJsPlatform, Msg, Title,
    315                                         Type, Icon);
    316   }
    317 
    318   void FFI_EmailTo(FPDF_FILEHANDLER* fileHandler,
    319                    FPDF_WIDESTRING pTo,
    320                    FPDF_WIDESTRING pSubject,
    321                    FPDF_WIDESTRING pCC,
    322                    FPDF_WIDESTRING pBcc,
    323                    FPDF_WIDESTRING pMsg) {
    324     if (m_pInfo && m_pInfo->FFI_EmailTo)
    325       m_pInfo->FFI_EmailTo(m_pInfo, fileHandler, pTo, pSubject, pCC, pBcc,
    326                            pMsg);
    327   }
    328 
    329   void FFI_UploadTo(FPDF_FILEHANDLER* fileHandler,
    330                     int fileFlag,
    331                     FPDF_WIDESTRING uploadTo) {
    332     if (m_pInfo && m_pInfo->FFI_UploadTo)
    333       m_pInfo->FFI_UploadTo(m_pInfo, fileHandler, fileFlag, uploadTo);
    334   }
    335 
    336   FPDF_FILEHANDLER* FFI_OpenFile(int fileType,
    337                                  FPDF_WIDESTRING wsURL,
    338                                  const char* mode) {
    339     if (m_pInfo && m_pInfo->FFI_OpenFile)
    340       return m_pInfo->FFI_OpenFile(m_pInfo, fileType, wsURL, mode);
    341     return NULL;
    342   }
    343 
    344   CFX_WideString FFI_GetFilePath(FPDF_FILEHANDLER* pFileHandler) const {
    345     return L"";
    346   }
    347 
    348   int FFI_GetDocumentCount() const { return 0; }
    349   int FFI_GetCurDocument() const { return 0; }
    350 
    351   IFX_FileRead* FFI_DownloadFromURL(const FX_WCHAR* url) {
    352     if (m_pInfo && m_pInfo->FFI_DownloadFromURL) {
    353       CFX_ByteString bstrURL = CFX_WideString(url).UTF16LE_Encode();
    354       FPDF_WIDESTRING wsURL =
    355           (FPDF_WIDESTRING)bstrURL.GetBuffer(bstrURL.GetLength());
    356 
    357       FPDF_LPFILEHANDLER fileHandler =
    358           m_pInfo->FFI_DownloadFromURL(m_pInfo, wsURL);
    359 
    360       return new CFPDF_FileStream(fileHandler);
    361     }
    362     return NULL;
    363   }
    364 
    365   CFX_WideString FFI_PostRequestURL(const FX_WCHAR* wsURL,
    366                                     const FX_WCHAR* wsData,
    367                                     const FX_WCHAR* wsContentType,
    368                                     const FX_WCHAR* wsEncode,
    369                                     const FX_WCHAR* wsHeader) {
    370     if (m_pInfo && m_pInfo->FFI_PostRequestURL) {
    371       CFX_ByteString bsURL = CFX_WideString(wsURL).UTF16LE_Encode();
    372       FPDF_WIDESTRING URL = (FPDF_WIDESTRING)bsURL.GetBuffer(bsURL.GetLength());
    373 
    374       CFX_ByteString bsData = CFX_WideString(wsData).UTF16LE_Encode();
    375       FPDF_WIDESTRING data =
    376           (FPDF_WIDESTRING)bsData.GetBuffer(bsData.GetLength());
    377 
    378       CFX_ByteString bsContentType =
    379           CFX_WideString(wsContentType).UTF16LE_Encode();
    380       FPDF_WIDESTRING contentType =
    381           (FPDF_WIDESTRING)bsContentType.GetBuffer(bsContentType.GetLength());
    382 
    383       CFX_ByteString bsEncode = CFX_WideString(wsEncode).UTF16LE_Encode();
    384       FPDF_WIDESTRING encode =
    385           (FPDF_WIDESTRING)bsEncode.GetBuffer(bsEncode.GetLength());
    386 
    387       CFX_ByteString bsHeader = CFX_WideString(wsHeader).UTF16LE_Encode();
    388       FPDF_WIDESTRING header =
    389           (FPDF_WIDESTRING)bsHeader.GetBuffer(bsHeader.GetLength());
    390 
    391       FPDF_BSTR respone;
    392       FPDF_BStr_Init(&respone);
    393       m_pInfo->FFI_PostRequestURL(m_pInfo, URL, data, contentType, encode,
    394                                   header, &respone);
    395 
    396       CFX_WideString wsRet = CFX_WideString::FromUTF16LE(
    397           (unsigned short*)respone.str, respone.len / sizeof(unsigned short));
    398       FPDF_BStr_Clear(&respone);
    399 
    400       return wsRet;
    401     }
    402     return L"";
    403   }
    404 
    405   FPDF_BOOL FFI_PutRequestURL(const FX_WCHAR* wsURL,
    406                               const FX_WCHAR* wsData,
    407                               const FX_WCHAR* wsEncode) {
    408     if (m_pInfo && m_pInfo->FFI_PutRequestURL) {
    409       CFX_ByteString bsURL = CFX_WideString(wsURL).UTF16LE_Encode();
    410       FPDF_WIDESTRING URL = (FPDF_WIDESTRING)bsURL.GetBuffer(bsURL.GetLength());
    411 
    412       CFX_ByteString bsData = CFX_WideString(wsData).UTF16LE_Encode();
    413       FPDF_WIDESTRING data =
    414           (FPDF_WIDESTRING)bsData.GetBuffer(bsData.GetLength());
    415 
    416       CFX_ByteString bsEncode = CFX_WideString(wsEncode).UTF16LE_Encode();
    417       FPDF_WIDESTRING encode =
    418           (FPDF_WIDESTRING)bsEncode.GetBuffer(bsEncode.GetLength());
    419 
    420       return m_pInfo->FFI_PutRequestURL(m_pInfo, URL, data, encode);
    421     }
    422     return FALSE;
    423   }
    424 
    425   FPDF_BOOL FFI_ShowFileDialog(const FX_WCHAR* wsTitle,
    426                                const FX_WCHAR* wsFilter,
    427                                CFX_WideStringArray& wsPathArr,
    428                                FX_BOOL bOpen) {
    429     return FALSE;
    430   }
    431 
    432   CFX_WideString FFI_GetLanguage() {
    433     if (m_pInfo && m_pInfo->FFI_GetLanguage) {
    434       int nRequiredLen = m_pInfo->FFI_GetLanguage(m_pInfo, NULL, 0);
    435       if (nRequiredLen <= 0)
    436         return L"";
    437 
    438       char* pbuff = new char[nRequiredLen];
    439       memset(pbuff, 0, nRequiredLen);
    440       int nActualLen = m_pInfo->FFI_GetLanguage(m_pInfo, pbuff, nRequiredLen);
    441       if (nActualLen <= 0 || nActualLen > nRequiredLen) {
    442         delete[] pbuff;
    443         return L"";
    444       }
    445       CFX_ByteString bsRet = CFX_ByteString(pbuff, nActualLen);
    446       CFX_WideString wsRet = CFX_WideString::FromUTF16LE(
    447           (unsigned short*)bsRet.GetBuffer(bsRet.GetLength()),
    448           bsRet.GetLength() / sizeof(unsigned short));
    449       delete[] pbuff;
    450       return wsRet;
    451     }
    452     return L"";
    453   }
    454 #endif  // PDF_ENABLE_XFA
    455 
    456   FX_BOOL IsJSInitiated() const { return m_pInfo && m_pInfo->m_pJsPlatform; }
    457   void SetSDKDocument(CPDFSDK_Document* pFXDoc) { m_pSDKDoc = pFXDoc; }
    458   CPDFSDK_Document* GetSDKDocument() const { return m_pSDKDoc; }
    459   UnderlyingDocumentType* GetUnderlyingDocument() const {
    460     return m_pUnderlyingDoc;
    461   }
    462   CFX_ByteString GetAppName() const { return ""; }
    463   IFX_SystemHandler* GetSysHandler() const { return m_pSysHandler.get(); }
    464   FPDF_FORMFILLINFO* GetFormFillInfo() const { return m_pInfo; }
    465 
    466   CFFL_IFormFiller* GetIFormFiller();             // Creates if not present.
    467   CPDFSDK_AnnotHandlerMgr* GetAnnotHandlerMgr();  // Creates if not present.
    468   IJS_Runtime* GetJSRuntime();                    // Creates if not present.
    469   CPDFSDK_ActionHandler* GetActionHander();       // Creates if not present.
    470 
    471  private:
    472   std::unique_ptr<CPDFSDK_AnnotHandlerMgr> m_pAnnotHandlerMgr;
    473   std::unique_ptr<CPDFSDK_ActionHandler> m_pActionHandler;
    474   std::unique_ptr<IJS_Runtime> m_pJSRuntime;
    475   FPDF_FORMFILLINFO* const m_pInfo;
    476   CPDFSDK_Document* m_pSDKDoc;
    477   UnderlyingDocumentType* const m_pUnderlyingDoc;
    478   std::unique_ptr<CFFL_IFormFiller> m_pIFormFiller;
    479   std::unique_ptr<IFX_SystemHandler> m_pSysHandler;
    480 };
    481 
    482 class CPDFSDK_Document {
    483  public:
    484   CPDFSDK_Document(UnderlyingDocumentType* pDoc, CPDFDoc_Environment* pEnv);
    485   ~CPDFSDK_Document();
    486 
    487   CPDFSDK_InterForm* GetInterForm();
    488 
    489   // Gets the document object for the next layer down; for master this is
    490   // a CPDF_Document, but for XFA it is a CPDFXFA_Document.
    491   UnderlyingDocumentType* GetUnderlyingDocument() const {
    492 #ifdef PDF_ENABLE_XFA
    493     return GetXFADocument();
    494 #else   // PDF_ENABLE_XFA
    495     return GetPDFDocument();
    496 #endif  // PDF_ENABLE_XFA
    497   }
    498 
    499   // Gets the CPDF_Document, either directly in master, or from the
    500   // CPDFXFA_Document for XFA.
    501   CPDF_Document* GetPDFDocument() const {
    502 #ifdef PDF_ENABLE_XFA
    503     return m_pDoc ? m_pDoc->GetPDFDoc() : nullptr;
    504 #else   // PDF_ENABLE_XFA
    505     return m_pDoc;
    506 #endif  // PDF_ENABLE_XFA
    507   }
    508 
    509 #ifdef PDF_ENABLE_XFA
    510   // Gets the XFA document directly (XFA-only).
    511   CPDFXFA_Document* GetXFADocument() const { return m_pDoc; }
    512 
    513   int GetPageViewCount() const { return m_pageMap.size(); }
    514 #endif  // PDF_ENABLE_XFA
    515 
    516   CPDFSDK_PageView* GetPageView(UnderlyingPageType* pPage,
    517                                 FX_BOOL ReNew = TRUE);
    518   CPDFSDK_PageView* GetPageView(int nIndex);
    519   CPDFSDK_PageView* GetCurrentView();
    520   void RemovePageView(UnderlyingPageType* pPage);
    521   void UpdateAllViews(CPDFSDK_PageView* pSender, CPDFSDK_Annot* pAnnot);
    522 
    523   CPDFSDK_Annot* GetFocusAnnot();
    524 
    525   IJS_Runtime* GetJsRuntime();
    526 
    527   FX_BOOL SetFocusAnnot(CPDFSDK_Annot* pAnnot, FX_UINT nFlag = 0);
    528   FX_BOOL KillFocusAnnot(FX_UINT nFlag = 0);
    529 
    530   FX_BOOL ExtractPages(const CFX_WordArray& arrExtraPages,
    531                        CPDF_Document* pDstDoc);
    532   FX_BOOL InsertPages(int nInsertAt,
    533                       const CPDF_Document* pSrcDoc,
    534                       const CFX_WordArray& arrSrcPages);
    535   FX_BOOL ReplacePages(int nPage,
    536                        const CPDF_Document* pSrcDoc,
    537                        const CFX_WordArray& arrSrcPages);
    538 
    539   void OnCloseDocument();
    540 
    541   int GetPageCount() { return m_pDoc->GetPageCount(); }
    542   FX_BOOL GetPermissions(int nFlag);
    543   FX_BOOL GetChangeMark() { return m_bChangeMask; }
    544   void SetChangeMark() { m_bChangeMask = TRUE; }
    545   void ClearChangeMark() { m_bChangeMask = FALSE; }
    546   CFX_WideString GetPath();
    547   UnderlyingPageType* GetPage(int nIndex);
    548   CPDFDoc_Environment* GetEnv() { return m_pEnv; }
    549   void ProcJavascriptFun();
    550   FX_BOOL ProcOpenAction();
    551   CPDF_OCContext* GetOCContext();
    552 
    553  private:
    554   std::map<UnderlyingPageType*, CPDFSDK_PageView*> m_pageMap;
    555   UnderlyingDocumentType* m_pDoc;
    556   std::unique_ptr<CPDFSDK_InterForm> m_pInterForm;
    557   CPDFSDK_Annot* m_pFocusAnnot;
    558   CPDFDoc_Environment* m_pEnv;
    559   std::unique_ptr<CPDF_OCContext> m_pOccontent;
    560   FX_BOOL m_bChangeMask;
    561   FX_BOOL m_bBeingDestroyed;
    562 };
    563 class CPDFSDK_PageView final {
    564  public:
    565   CPDFSDK_PageView(CPDFSDK_Document* pSDKDoc, UnderlyingPageType* page);
    566   ~CPDFSDK_PageView();
    567 
    568 #ifdef PDF_ENABLE_XFA
    569   void PageView_OnDraw(CFX_RenderDevice* pDevice,
    570                        CFX_Matrix* pUser2Device,
    571                        CPDF_RenderOptions* pOptions,
    572                        const FX_RECT& pClip);
    573 #else   // PDF_ENABLE_XFA
    574   void PageView_OnDraw(CFX_RenderDevice* pDevice,
    575                        CFX_Matrix* pUser2Device,
    576                        CPDF_RenderOptions* pOptions);
    577 #endif  // PDF_ENABLE_XFA
    578 
    579   const CPDF_Annot* GetPDFAnnotAtPoint(FX_FLOAT pageX, FX_FLOAT pageY);
    580   CPDFSDK_Annot* GetFXAnnotAtPoint(FX_FLOAT pageX, FX_FLOAT pageY);
    581   const CPDF_Annot* GetPDFWidgetAtPoint(FX_FLOAT pageX, FX_FLOAT pageY);
    582   CPDFSDK_Annot* GetFXWidgetAtPoint(FX_FLOAT pageX, FX_FLOAT pageY);
    583   CPDFSDK_Annot* GetFocusAnnot();
    584   void SetFocusAnnot(CPDFSDK_Annot* pSDKAnnot, FX_UINT nFlag = 0) {
    585     m_pSDKDoc->SetFocusAnnot(pSDKAnnot, nFlag);
    586   }
    587   FX_BOOL KillFocusAnnot(FX_UINT nFlag = 0) {
    588     return m_pSDKDoc->KillFocusAnnot(nFlag);
    589   }
    590   void KillFocusAnnotIfNeeded();
    591   FX_BOOL Annot_HasAppearance(CPDF_Annot* pAnnot);
    592 
    593   CPDFSDK_Annot* AddAnnot(CPDF_Dictionary* pDict);
    594   CPDFSDK_Annot* AddAnnot(const FX_CHAR* lpSubType, CPDF_Dictionary* pDict);
    595   CPDFSDK_Annot* AddAnnot(CPDF_Annot* pPDFAnnot);
    596 
    597   FX_BOOL DeleteAnnot(CPDFSDK_Annot* pAnnot);
    598   size_t CountAnnots() const;
    599   CPDFSDK_Annot* GetAnnot(size_t nIndex);
    600   CPDFSDK_Annot* GetAnnotByDict(CPDF_Dictionary* pDict);
    601 
    602 #ifdef PDF_ENABLE_XFA
    603   CPDFSDK_Annot* AddAnnot(IXFA_Widget* pPDFAnnot);
    604   CPDFSDK_Annot* GetAnnotByXFAWidget(IXFA_Widget* hWidget);
    605   CPDFXFA_Page* GetPDFXFAPage() { return m_page; }
    606   CPDF_Page* GetPDFPage();
    607 #else
    608   CPDF_Page* GetPDFPage() { return m_page; }
    609 #endif  // PDF_ENABLE_XFA
    610 
    611   CPDF_Document* GetPDFDocument();
    612   CPDFSDK_Document* GetSDKDocument() { return m_pSDKDoc; }
    613   FX_BOOL OnLButtonDown(const CPDF_Point& point, FX_UINT nFlag);
    614   FX_BOOL OnLButtonUp(const CPDF_Point& point, FX_UINT nFlag);
    615 #ifdef PDF_ENABLE_XFA
    616   FX_BOOL OnRButtonDown(const CPDF_Point& point, FX_UINT nFlag);
    617   FX_BOOL OnRButtonUp(const CPDF_Point& point, FX_UINT nFlag);
    618 #endif  // PDF_ENABLE_XFA
    619   FX_BOOL OnChar(int nChar, FX_UINT nFlag);
    620   FX_BOOL OnKeyDown(int nKeyCode, int nFlag);
    621   FX_BOOL OnKeyUp(int nKeyCode, int nFlag);
    622 
    623   FX_BOOL OnMouseMove(const CPDF_Point& point, int nFlag);
    624   FX_BOOL OnMouseWheel(double deltaX,
    625                        double deltaY,
    626                        const CPDF_Point& point,
    627                        int nFlag);
    628   bool IsValidAnnot(const CPDF_Annot* p) const;
    629   void GetCurrentMatrix(CFX_Matrix& matrix) { matrix = m_curMatrix; }
    630   void UpdateRects(CFX_RectArray& rects);
    631   void UpdateView(CPDFSDK_Annot* pAnnot);
    632   const std::vector<CPDFSDK_Annot*>& GetAnnotList() const {
    633     return m_fxAnnotArray;
    634   }
    635 
    636   int GetPageIndex();
    637   void LoadFXAnnots();
    638   void SetValid(FX_BOOL bValid) { m_bValid = bValid; }
    639   FX_BOOL IsValid() { return m_bValid; }
    640   void SetLock(FX_BOOL bLocked) { m_bLocked = bLocked; }
    641   FX_BOOL IsLocked() { return m_bLocked; }
    642 #ifndef PDF_ENABLE_XFA
    643   void TakeOverPage() { m_bTakeOverPage = TRUE; }
    644 #endif  // PDF_ENABLE_XFA
    645 
    646  private:
    647   void PageView_OnHighlightFormFields(CFX_RenderDevice* pDevice,
    648                                       CPDFSDK_Widget* pWidget);
    649 
    650   CFX_Matrix m_curMatrix;
    651   UnderlyingPageType* m_page;
    652   std::unique_ptr<CPDF_AnnotList> m_pAnnotList;
    653   std::vector<CPDFSDK_Annot*> m_fxAnnotArray;
    654   CPDFSDK_Document* m_pSDKDoc;
    655 #ifdef PDF_ENABLE_XFA
    656   CPDFSDK_Annot* m_CaptureWidget;
    657 #else  // PDF_ENABLE_XFA
    658   CPDFSDK_Widget* m_CaptureWidget;
    659   FX_BOOL m_bTakeOverPage;
    660 #endif  // PDF_ENABLE_XFA
    661   FX_BOOL m_bEnterWidget;
    662   FX_BOOL m_bExitWidget;
    663   FX_BOOL m_bOnWidget;
    664   FX_BOOL m_bValid;
    665   FX_BOOL m_bLocked;
    666 };
    667 
    668 template <class TYPE>
    669 class CGW_ArrayTemplate : public CFX_ArrayTemplate<TYPE> {
    670  public:
    671   CGW_ArrayTemplate() {}
    672   ~CGW_ArrayTemplate() {}
    673 
    674   typedef int (*LP_COMPARE)(TYPE p1, TYPE p2);
    675 
    676   void Sort(LP_COMPARE pCompare, FX_BOOL bAscent = TRUE) {
    677     int nSize = this->GetSize();
    678     QuickSort(0, nSize - 1, bAscent, pCompare);
    679   }
    680 
    681  private:
    682   void QuickSort(FX_UINT nStartPos,
    683                  FX_UINT nStopPos,
    684                  FX_BOOL bAscend,
    685                  LP_COMPARE pCompare) {
    686     if (nStartPos >= nStopPos)
    687       return;
    688 
    689     if ((nStopPos - nStartPos) == 1) {
    690       TYPE Value1 = this->GetAt(nStartPos);
    691       TYPE Value2 = this->GetAt(nStopPos);
    692 
    693       int iGreate = (*pCompare)(Value1, Value2);
    694       if ((bAscend && iGreate > 0) || (!bAscend && iGreate < 0)) {
    695         this->SetAt(nStartPos, Value2);
    696         this->SetAt(nStopPos, Value1);
    697       }
    698       return;
    699     }
    700 
    701     FX_UINT m = nStartPos + (nStopPos - nStartPos) / 2;
    702     FX_UINT i = nStartPos;
    703 
    704     TYPE Value = this->GetAt(m);
    705 
    706     while (i < m) {
    707       TYPE temp = this->GetAt(i);
    708 
    709       int iGreate = (*pCompare)(temp, Value);
    710       if ((bAscend && iGreate > 0) || (!bAscend && iGreate < 0)) {
    711         this->InsertAt(m + 1, temp);
    712         this->RemoveAt(i);
    713         m--;
    714       } else {
    715         i++;
    716       }
    717     }
    718 
    719     FX_UINT j = nStopPos;
    720 
    721     while (j > m) {
    722       TYPE temp = this->GetAt(j);
    723 
    724       int iGreate = (*pCompare)(temp, Value);
    725       if ((bAscend && iGreate < 0) || (!bAscend && iGreate > 0)) {
    726         this->RemoveAt(j);
    727         this->InsertAt(m, temp);
    728         m++;
    729       } else {
    730         j--;
    731       }
    732     }
    733 
    734     if (nStartPos < m)
    735       QuickSort(nStartPos, m, bAscend, pCompare);
    736     if (nStopPos > m)
    737       QuickSort(m, nStopPos, bAscend, pCompare);
    738   }
    739 };
    740 
    741 #endif  // FPDFSDK_INCLUDE_FSDK_MGR_H_
    742