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_OBJECT_H_ 8 #define _JS_OBJECT_H_ 9 10 class CJS_Object; 11 class CJS_Timer; 12 class CJS_Context; 13 14 class CJS_EmbedObj : public CFX_Object 15 { 16 public: 17 CJS_EmbedObj(CJS_Object* pJSObject); 18 virtual ~CJS_EmbedObj(); 19 20 virtual void TimerProc(CJS_Timer* pTimer){}; 21 22 CJS_Timer* BeginTimer(CPDFDoc_Environment * pApp, FX_UINT nElapse); 23 void EndTimer(CJS_Timer* pTimer); 24 25 CJS_Object* GetJSObject(){return m_pJSObject;}; 26 operator CJS_Object* (){return m_pJSObject;}; 27 28 CPDFSDK_PageView * JSGetPageView(IFXJS_Context* cc); 29 int MsgBox(CPDFDoc_Environment* pApp, CPDFSDK_PageView* pPageView, FX_LPCWSTR swMsg, FX_LPCWSTR swTitle = NULL, FX_UINT nType = 0, FX_UINT nIcon = 0); 30 void Alert(CJS_Context* pContext, FX_LPCWSTR swMsg); 31 FX_BOOL IsSafeMode(IFXJS_Context* cc); 32 33 protected: 34 35 CJS_Object* m_pJSObject; 36 }; 37 38 class CJS_Object : public CFX_Object 39 { 40 public: 41 CJS_Object(JSFXObject pObject); 42 virtual ~CJS_Object(void); 43 44 void MakeWeak(); 45 46 virtual FX_BOOL IsType(FX_LPCSTR sClassName){return TRUE;}; 47 virtual CFX_ByteString GetClassName(){return "";}; 48 49 virtual FX_BOOL InitInstance(IFXJS_Context* cc){return TRUE;}; 50 virtual FX_BOOL ExitInstance(){return TRUE;}; 51 52 operator JSFXObject () {return v8::Local<v8::Object>::New(m_pIsolate, m_pObject);} 53 operator CJS_EmbedObj* (){return m_pEmbedObj;}; 54 55 void SetEmbedObject(CJS_EmbedObj* pObj){m_pEmbedObj = pObj;}; 56 CJS_EmbedObj * GetEmbedObject(){return m_pEmbedObj;}; 57 58 static CPDFSDK_PageView * JSGetPageView(IFXJS_Context* cc); 59 static int MsgBox(CPDFDoc_Environment* pApp, CPDFSDK_PageView* pPageView, FX_LPCWSTR swMsg, FX_LPCWSTR swTitle = NULL, FX_UINT nType = 0,FX_UINT nIcon = 0); 60 static void Alert(CJS_Context* pContext, FX_LPCWSTR swMsg); 61 62 v8::Isolate* GetIsolate() {return m_pIsolate;} 63 protected: 64 CJS_EmbedObj * m_pEmbedObj; 65 v8::Persistent<v8::Object> m_pObject; 66 v8::Isolate* m_pIsolate; 67 }; 68 69 struct JS_TIMER_MAP 70 { 71 FX_UINT nID; 72 CJS_Timer * pTimer; 73 }; 74 75 typedef CFX_ArrayTemplate<JS_TIMER_MAP*> CTimerMapArray; 76 77 struct JS_TIMER_MAPARRAY 78 { 79 public: 80 JS_TIMER_MAPARRAY() 81 { 82 } 83 84 ~JS_TIMER_MAPARRAY() 85 { 86 Reset(); 87 } 88 89 void Reset() 90 { 91 for (int i=0,sz=m_Array.GetSize(); i<sz; i++) 92 delete m_Array.GetAt(i); 93 94 m_Array.RemoveAll(); 95 } 96 97 void SetAt(FX_UINT nIndex,CJS_Timer * pTimer) 98 { 99 int i = Find(nIndex); 100 101 if (i>=0) 102 { 103 if (JS_TIMER_MAP * pMap = m_Array.GetAt(i)) 104 pMap->pTimer = pTimer; 105 } 106 else 107 { 108 if (JS_TIMER_MAP * pMap = new JS_TIMER_MAP) 109 { 110 pMap->nID = nIndex; 111 pMap->pTimer = pTimer; 112 m_Array.Add(pMap); 113 } 114 } 115 } 116 117 CJS_Timer * GetAt(FX_UINT nIndex) 118 { 119 int i = Find(nIndex); 120 121 if (i>=0) 122 { 123 if (JS_TIMER_MAP * pMap = m_Array.GetAt(i)) 124 return pMap->pTimer; 125 } 126 return NULL; 127 } 128 129 void RemoveAt(FX_UINT nIndex) 130 { 131 int i = Find(nIndex); 132 133 if (i>=0) 134 { 135 delete m_Array.GetAt(i); 136 m_Array.RemoveAt(i); 137 } 138 //To prevent potential fake memory leak reported by vc6. 139 if(m_Array.GetSize() == 0) 140 m_Array.RemoveAll(); 141 } 142 143 int Find(FX_UINT nIndex) 144 { 145 for (int i=0,sz=m_Array.GetSize(); i<sz; i++) 146 { 147 if (JS_TIMER_MAP * pMap = m_Array.GetAt(i)) 148 { 149 if (pMap->nID == nIndex) 150 return i; 151 } 152 } 153 154 return -1; 155 } 156 157 CTimerMapArray m_Array; 158 }; 159 160 static JS_TIMER_MAPARRAY m_sTimeMap; 161 162 class CJS_Runtime; 163 164 class CJS_Timer 165 { 166 public: 167 CJS_Timer(CJS_EmbedObj * pObj,CPDFDoc_Environment* pApp): m_pEmbedObj(pObj), 168 m_nTimerID(0), 169 m_bProcessing(FALSE), 170 m_dwStartTime(0), 171 m_dwTimeOut(0), 172 m_dwElapse(0), 173 m_pRuntime(NULL), 174 m_nType(0), 175 m_pApp(pApp) 176 { 177 } 178 179 virtual ~CJS_Timer() 180 { 181 KillJSTimer(); 182 } 183 184 public: 185 FX_UINT SetJSTimer(FX_UINT nElapse) 186 { 187 if (m_nTimerID)KillJSTimer(); 188 IFX_SystemHandler* pHandler = m_pApp->GetSysHandler(); 189 m_nTimerID = pHandler->SetTimer(nElapse,TimerProc); 190 m_sTimeMap.SetAt(m_nTimerID,this); 191 m_dwElapse = nElapse; 192 return m_nTimerID; 193 }; 194 195 void KillJSTimer() 196 { 197 if (m_nTimerID) 198 { 199 IFX_SystemHandler* pHandler = m_pApp->GetSysHandler(); 200 pHandler->KillTimer(m_nTimerID); 201 m_sTimeMap.RemoveAt(m_nTimerID); 202 m_nTimerID = 0; 203 } 204 }; 205 206 void SetType(int nType) 207 { 208 m_nType = nType; 209 } 210 211 int GetType() const 212 { 213 return m_nType; 214 } 215 216 void SetStartTime(FX_DWORD dwStartTime) 217 { 218 m_dwStartTime = dwStartTime; 219 } 220 221 FX_DWORD GetStartTime() const 222 { 223 return m_dwStartTime; 224 } 225 226 void SetTimeOut(FX_DWORD dwTimeOut) 227 { 228 m_dwTimeOut = dwTimeOut; 229 } 230 231 FX_DWORD GetTimeOut() const 232 { 233 return m_dwTimeOut; 234 } 235 236 void SetRuntime(CJS_Runtime* pRuntime) 237 { 238 m_pRuntime = pRuntime; 239 } 240 241 CJS_Runtime* GetRuntime() const 242 { 243 return m_pRuntime; 244 } 245 246 void SetJScript(const CFX_WideString& script) 247 { 248 m_swJScript = script; 249 } 250 251 CFX_WideString GetJScript() const 252 { 253 return m_swJScript; 254 } 255 256 static void TimerProc(int idEvent) 257 { 258 if (CJS_Timer * pTimer = m_sTimeMap.GetAt(idEvent)) 259 { 260 if (!pTimer->m_bProcessing) 261 { 262 pTimer->m_bProcessing = TRUE; 263 if (pTimer->m_pEmbedObj) pTimer->m_pEmbedObj->TimerProc(pTimer); 264 pTimer->m_bProcessing = FALSE; 265 } 266 else 267 { 268 // TRACE(L"BUSY!\n"); 269 } 270 } 271 }; 272 273 private: 274 FX_UINT m_nTimerID; 275 CJS_EmbedObj* m_pEmbedObj; 276 FX_BOOL m_bProcessing; 277 278 //data 279 FX_DWORD m_dwStartTime; 280 FX_DWORD m_dwTimeOut; 281 FX_DWORD m_dwElapse; 282 CJS_Runtime* m_pRuntime; 283 CFX_WideString m_swJScript; 284 int m_nType; //0:Interval; 1:TimeOut 285 286 CPDFDoc_Environment* m_pApp; 287 }; 288 #endif //_JS_OBJECT_H_ 289
