Home | History | Annotate | Download | only in javascript 
      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 #include "JS_Object.h"
      8 
      9 #include "JS_Context.h"
     10 #include "JS_Define.h"
     11 #include "fpdfsdk/include/fsdk_mgr.h"  // For CPDFDoc_Environment.
     12 #include "fpdfsdk/include/javascript/IJavaScript.h"
     13 
     14 namespace {
     15 
     16 int FXJS_MsgBox(CPDFDoc_Environment* pApp,
     17                 const FX_WCHAR* swMsg,
     18                 const FX_WCHAR* swTitle,
     19                 FX_UINT nType,
     20                 FX_UINT nIcon) {
     21   if (!pApp)
     22     return 0;
     23 
     24   if (CPDFSDK_Document* pDoc = pApp->GetSDKDocument())
     25     pDoc->KillFocusAnnot();
     26 
     27   return pApp->JS_appAlert(swMsg, swTitle, nType, nIcon);
     28 }
     29 
     30 }  // namespace
     31 
     32 CJS_EmbedObj::CJS_EmbedObj(CJS_Object* pJSObject) : m_pJSObject(pJSObject) {}
     33 
     34 CJS_EmbedObj::~CJS_EmbedObj() {
     35   m_pJSObject = NULL;
     36 }
     37 
     38 int CJS_EmbedObj::MsgBox(CPDFDoc_Environment* pApp,
     39                          const FX_WCHAR* swMsg,
     40                          const FX_WCHAR* swTitle,
     41                          FX_UINT nType,
     42                          FX_UINT nIcon) {
     43   return FXJS_MsgBox(pApp, swMsg, swTitle, nType, nIcon);
     44 }
     45 
     46 void CJS_EmbedObj::Alert(CJS_Context* pContext, const FX_WCHAR* swMsg) {
     47   CJS_Object::Alert(pContext, swMsg);
     48 }
     49 
     50 void FreeObject(const v8::WeakCallbackInfo<CJS_Object>& data) {
     51   CJS_Object* pJSObj = data.GetParameter();
     52   pJSObj->ExitInstance();
     53   delete pJSObj;
     54   FXJS_FreePrivate(data.GetInternalField(0));
     55 }
     56 
     57 void DisposeObject(const v8::WeakCallbackInfo<CJS_Object>& data) {
     58   CJS_Object* pJSObj = data.GetParameter();
     59   pJSObj->Dispose();
     60   data.SetSecondPassCallback(FreeObject);
     61 }
     62 
     63 CJS_Object::CJS_Object(v8::Local<v8::Object> pObject) {
     64   m_pIsolate = pObject->GetIsolate();
     65   m_pV8Object.Reset(m_pIsolate, pObject);
     66 }
     67 
     68 CJS_Object::~CJS_Object() {
     69 }
     70 
     71 void CJS_Object::MakeWeak() {
     72   m_pV8Object.SetWeak(this, DisposeObject,
     73                       v8::WeakCallbackType::kInternalFields);
     74 }
     75 
     76 void CJS_Object::Dispose() {
     77   m_pV8Object.Reset();
     78 }
     79 
     80 int CJS_Object::MsgBox(CPDFDoc_Environment* pApp,
     81                        const FX_WCHAR* swMsg,
     82                        const FX_WCHAR* swTitle,
     83                        FX_UINT nType,
     84                        FX_UINT nIcon) {
     85   return FXJS_MsgBox(pApp, swMsg, swTitle, nType, nIcon);
     86 }
     87 
     88 void CJS_Object::Alert(CJS_Context* pContext, const FX_WCHAR* swMsg) {
     89   if (pContext->IsMsgBoxEnabled()) {
     90     CPDFDoc_Environment* pApp = pContext->GetReaderApp();
     91     if (pApp)
     92       pApp->JS_appAlert(swMsg, NULL, 0, 3);
     93   }
     94 }
     95 
     96 CJS_Timer::CJS_Timer(CJS_EmbedObj* pObj,
     97                      CPDFDoc_Environment* pApp,
     98                      CJS_Runtime* pRuntime,
     99                      int nType,
    100                      const CFX_WideString& script,
    101                      FX_DWORD dwElapse,
    102                      FX_DWORD dwTimeOut)
    103     : m_nTimerID(0),
    104       m_pEmbedObj(pObj),
    105       m_bProcessing(false),
    106       m_bValid(true),
    107       m_nType(nType),
    108       m_dwTimeOut(dwTimeOut),
    109       m_swJScript(script),
    110       m_pRuntime(pRuntime),
    111       m_pApp(pApp) {
    112   IFX_SystemHandler* pHandler = m_pApp->GetSysHandler();
    113   m_nTimerID = pHandler->SetTimer(dwElapse, TimerProc);
    114   (*GetGlobalTimerMap())[m_nTimerID] = this;
    115   m_pRuntime->AddObserver(this);
    116 }
    117 
    118 CJS_Timer::~CJS_Timer() {
    119   CJS_Runtime* pRuntime = GetRuntime();
    120   if (pRuntime)
    121     pRuntime->RemoveObserver(this);
    122   KillJSTimer();
    123 }
    124 
    125 void CJS_Timer::KillJSTimer() {
    126   if (m_nTimerID) {
    127     if (m_bValid) {
    128       IFX_SystemHandler* pHandler = m_pApp->GetSysHandler();
    129       pHandler->KillTimer(m_nTimerID);
    130     }
    131     GetGlobalTimerMap()->erase(m_nTimerID);
    132     m_nTimerID = 0;
    133   }
    134 }
    135 
    136 // static
    137 void CJS_Timer::TimerProc(int idEvent) {
    138   const auto it = GetGlobalTimerMap()->find(idEvent);
    139   if (it != GetGlobalTimerMap()->end()) {
    140     CJS_Timer* pTimer = it->second;
    141     if (!pTimer->m_bProcessing) {
    142       CFX_AutoRestorer<bool> scoped_processing(&pTimer->m_bProcessing);
    143       pTimer->m_bProcessing = true;
    144       if (pTimer->m_pEmbedObj)
    145         pTimer->m_pEmbedObj->TimerProc(pTimer);
    146     }
    147   }
    148 }
    149 
    150 // static
    151 CJS_Timer::TimerMap* CJS_Timer::GetGlobalTimerMap() {
    152   // Leak the timer array at shutdown.
    153   static auto* s_TimerMap = new TimerMap;
    154   return s_TimerMap;
    155 }
    156 
    157 void CJS_Timer::OnDestroyed() {
    158   m_bValid = false;
    159 }
    160