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