fpdfsdk/include/javascript/JS_EventHandler.h

   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_JAVASCRIPT_JS_EVENTHANDLER_H_
   8 #define FPDFSDK_INCLUDE_JAVASCRIPT_JS_EVENTHANDLER_H_
   9
  10 #include "../../../core/include/fxcrt/fx_string.h"
  11 #include "../../../core/include/fxcrt/fx_system.h"
  12
  13 class CJS_Context;
  14 class CPDFSDK_Annot;
  15 class CPDFSDK_Document;
  16 class CPDF_Bookmark;
  17 class CPDF_FormField;
  18 class Field;
  19
  20 enum JS_EVENT_T {
  21   JET_UNKNOWN,
  22   JET_APP_INIT,
  23   JET_DOC_OPEN,
  24   JET_DOC_WILLPRINT,
  25   JET_DOC_DIDPRINT,
  26   JET_DOC_WILLSAVE,
  27   JET_DOC_DIDSAVE,
  28   JET_DOC_WILLCLOSE,
  29   JET_PAGE_OPEN,
  30   JET_PAGE_CLOSE,
  31   JET_PAGE_INVIEW,
  32   JET_PAGE_OUTVIEW,
  33   JET_FIELD_MOUSEDOWN,
  34   JET_FIELD_MOUSEUP,
  35   JET_FIELD_MOUSEENTER,
  36   JET_FIELD_MOUSEEXIT,
  37   JET_FIELD_FOCUS,
  38   JET_FIELD_BLUR,
  39   JET_FIELD_KEYSTROKE,
  40   JET_FIELD_VALIDATE,
  41   JET_FIELD_CALCULATE,
  42   JET_FIELD_FORMAT,
  43   JET_SCREEN_FOCUS,
  44   JET_SCREEN_BLUR,
  45   JET_SCREEN_OPEN,
  46   JET_SCREEN_CLOSE,
  47   JET_SCREEN_MOUSEDOWN,
  48   JET_SCREEN_MOUSEUP,
  49   JET_SCREEN_MOUSEENTER,
  50   JET_SCREEN_MOUSEEXIT,
  51   JET_SCREEN_INVIEW,
  52   JET_SCREEN_OUTVIEW,
  53   JET_BATCH_EXEC,
  54   JET_MENU_EXEC,
  55   JET_CONSOLE_EXEC,
  56   JET_EXTERNAL_EXEC,
  57   JET_BOOKMARK_MOUSEUP,
  58   JET_LINK_MOUSEUP
  59 };
  60
  61 class CJS_EventHandler {
  62  public:
  63   CJS_EventHandler(CJS_Context* pContext);
  64   virtual ~CJS_EventHandler();
  65
  66   void OnApp_Init();
  67
  68   void OnDoc_Open(CPDFSDK_Document* pDoc, const CFX_WideString& strTargetName);
  69   void OnDoc_WillPrint(CPDFSDK_Document* pDoc);
  70   void OnDoc_DidPrint(CPDFSDK_Document* pDoc);
  71   void OnDoc_WillSave(CPDFSDK_Document* pDoc);
  72   void OnDoc_DidSave(CPDFSDK_Document* pDoc);
  73   void OnDoc_WillClose(CPDFSDK_Document* pDoc);
  74
  75   void OnPage_Open(CPDFSDK_Document* pDoc);
  76   void OnPage_Close(CPDFSDK_Document* pDoc);
  77   void OnPage_InView(CPDFSDK_Document* pTarget);
  78   void OnPage_OutView(CPDFSDK_Document* pTarget);
  79
  80   void OnField_Calculate(CPDF_FormField* pSource,
  81                          CPDF_FormField* pTarget,
  82                          CFX_WideString& Value,
  83                          FX_BOOL& bRc);
  84   void OnField_Format(CPDF_FormField* pTarget,
  85                       CFX_WideString& Value,
  86                       FX_BOOL bWillCommit);
  87   void OnField_Keystroke(CFX_WideString& strChange,
  88                          const CFX_WideString& strChangeEx,
  89                          FX_BOOL KeyDown,
  90                          FX_BOOL bModifier,
  91                          int& nSelEnd,
  92                          int& nSelStart,
  93                          FX_BOOL bShift,
  94                          CPDF_FormField* pTarget,
  95                          CFX_WideString& Value,
  96                          FX_BOOL bWillCommit,
  97                          FX_BOOL bFieldFull,
  98                          FX_BOOL& bRc);
  99   void OnField_Validate(CFX_WideString& strChange,
 100                         const CFX_WideString& strChangeEx,
 101                         FX_BOOL bKeyDown,
 102                         FX_BOOL bModifier,
 103                         FX_BOOL bShift,
 104                         CPDF_FormField* pTarget,
 105                         CFX_WideString& Value,
 106                         FX_BOOL& bRc);
 107
 108   void OnField_MouseDown(FX_BOOL bModifier,
 109                          FX_BOOL bShift,
 110                          CPDF_FormField* pTarget);
 111   void OnField_MouseEnter(FX_BOOL bModifier,
 112                           FX_BOOL bShift,
 113                           CPDF_FormField* pTarget);
 114   void OnField_MouseExit(FX_BOOL bModifier,
 115                          FX_BOOL bShift,
 116                          CPDF_FormField* pTarget);
 117   void OnField_MouseUp(FX_BOOL bModifier,
 118                        FX_BOOL bShift,
 119                        CPDF_FormField* pTarget);
 120   void OnField_Blur(FX_BOOL bModifier,
 121                     FX_BOOL bShift,
 122                     CPDF_FormField* pTarget,
 123                     const CFX_WideString& Value);
 124   void OnField_Focus(FX_BOOL bModifier,
 125                      FX_BOOL bShift,
 126                      CPDF_FormField* pTarget,
 127                      const CFX_WideString& Value);
 128
 129   void OnScreen_Focus(FX_BOOL bModifier,
 130                       FX_BOOL bShift,
 131                       CPDFSDK_Annot* pScreen);
 132   void OnScreen_Blur(FX_BOOL bModifier, FX_BOOL bShift, CPDFSDK_Annot* pScreen);
 133   void OnScreen_Open(FX_BOOL bModifier, FX_BOOL bShift, CPDFSDK_Annot* pScreen);
 134   void OnScreen_Close(FX_BOOL bModifier,
 135                       FX_BOOL bShift,
 136                       CPDFSDK_Annot* pScreen);
 137   void OnScreen_MouseDown(FX_BOOL bModifier,
 138                           FX_BOOL bShift,
 139                           CPDFSDK_Annot* pScreen);
 140   void OnScreen_MouseUp(FX_BOOL bModifier,
 141                         FX_BOOL bShift,
 142                         CPDFSDK_Annot* pScreen);
 143   void OnScreen_MouseEnter(FX_BOOL bModifier,
 144                            FX_BOOL bShift,
 145                            CPDFSDK_Annot* pScreen);
 146   void OnScreen_MouseExit(FX_BOOL bModifier,
 147                           FX_BOOL bShift,
 148                           CPDFSDK_Annot* pScreen);
 149   void OnScreen_InView(FX_BOOL bModifier,
 150                        FX_BOOL bShift,
 151                        CPDFSDK_Annot* pScreen);
 152   void OnScreen_OutView(FX_BOOL bModifier,
 153                         FX_BOOL bShift,
 154                         CPDFSDK_Annot* pScreen);
 155
 156   void OnBookmark_MouseUp(CPDF_Bookmark* pBookMark);
 157   void OnLink_MouseUp(CPDFSDK_Document* pTarget);
 158
 159   void OnMenu_Exec(CPDFSDK_Document* pTarget,
 160                    const CFX_WideString& strTargetName);
 161   void OnBatchExec(CPDFSDK_Document* pTarget);
 162   void OnConsole_Exec();
 163   void OnExternal_Exec();
 164
 165  public:
 166   void Initial(JS_EVENT_T type);
 167   void Destroy();
 168   FX_BOOL IsValid();
 169
 170   CFX_WideString& Change();
 171   CFX_WideString ChangeEx();
 172   int CommitKey();
 173   FX_BOOL FieldFull();
 174   FX_BOOL KeyDown();
 175   FX_BOOL Modifier();
 176   const FX_WCHAR* Name();
 177   const FX_WCHAR* Type();
 178   FX_BOOL& Rc();
 179   int& SelEnd();
 180   int& SelStart();
 181   FX_BOOL Shift();
 182   Field* Source();
 183   Field* Target_Field();
 184   CFX_WideString& Value();
 185   FX_BOOL WillCommit();
 186   CFX_WideString TargetName();
 187
 188   JS_EVENT_T EventType() { return m_eEventType; }
 189
 190  public:
 191   CJS_Context* m_pJSContext;
 192   JS_EVENT_T m_eEventType;
 193   FX_BOOL m_bValid;
 194
 195   CFX_WideString m_strTargetName;
 196   CFX_WideString m_strSourceName;
 197   CFX_WideString* m_pWideStrChange;
 198   CFX_WideString m_WideStrChangeDu;
 199   CFX_WideString m_WideStrChangeEx;
 200   int m_nCommitKey;
 201   FX_BOOL m_bKeyDown;
 202   FX_BOOL m_bModifier;
 203   FX_BOOL m_bShift;
 204   int* m_pISelEnd;
 205   int m_nSelEndDu;
 206   int* m_pISelStart;
 207   int m_nSelStartDu;
 208   FX_BOOL m_bWillCommit;
 209   CFX_WideString* m_pValue;
 210   FX_BOOL m_bFieldFull;
 211   FX_BOOL* m_pbRc;
 212   FX_BOOL m_bRcDu;
 213
 214   CPDFSDK_Document* m_pSourceDoc;
 215   CPDF_Bookmark* m_pTargetBookMark;
 216   CPDFSDK_Document* m_pTargetDoc;
 217   CPDFSDK_Annot* m_pTargetAnnot;
 218 };
 219
 220 #endif  // FPDFSDK_INCLUDE_JAVASCRIPT_JS_EVENTHANDLER_H_