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
FXJS_MsgBox(CPDFDoc_Environment * pApp,const FX_WCHAR * swMsg,const FX_WCHAR * swTitle,FX_UINT nType,FX_UINT nIcon)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
CJS_EmbedObj(CJS_Object * pJSObject)32 CJS_EmbedObj::CJS_EmbedObj(CJS_Object* pJSObject) : m_pJSObject(pJSObject) {}
33
~CJS_EmbedObj()34 CJS_EmbedObj::~CJS_EmbedObj() {
35 m_pJSObject = NULL;
36 }
37
MsgBox(CPDFDoc_Environment * pApp,const FX_WCHAR * swMsg,const FX_WCHAR * swTitle,FX_UINT nType,FX_UINT nIcon)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
Alert(CJS_Context * pContext,const FX_WCHAR * swMsg)46 void CJS_EmbedObj::Alert(CJS_Context* pContext, const FX_WCHAR* swMsg) {
47 CJS_Object::Alert(pContext, swMsg);
48 }
49
FreeObject(const v8::WeakCallbackInfo<CJS_Object> & data)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
DisposeObject(const v8::WeakCallbackInfo<CJS_Object> & data)57 void DisposeObject(const v8::WeakCallbackInfo<CJS_Object>& data) {
58 CJS_Object* pJSObj = data.GetParameter();
59 pJSObj->Dispose();
60 data.SetSecondPassCallback(FreeObject);
61 }
62
CJS_Object(v8::Local<v8::Object> pObject)63 CJS_Object::CJS_Object(v8::Local<v8::Object> pObject) {
64 m_pIsolate = pObject->GetIsolate();
65 m_pV8Object.Reset(m_pIsolate, pObject);
66 }
67
~CJS_Object()68 CJS_Object::~CJS_Object() {
69 }
70
MakeWeak()71 void CJS_Object::MakeWeak() {
72 m_pV8Object.SetWeak(this, DisposeObject,
73 v8::WeakCallbackType::kInternalFields);
74 }
75
Dispose()76 void CJS_Object::Dispose() {
77 m_pV8Object.Reset();
78 }
79
MsgBox(CPDFDoc_Environment * pApp,const FX_WCHAR * swMsg,const FX_WCHAR * swTitle,FX_UINT nType,FX_UINT nIcon)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
Alert(CJS_Context * pContext,const FX_WCHAR * swMsg)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
CJS_Timer(CJS_EmbedObj * pObj,CPDFDoc_Environment * pApp,CJS_Runtime * pRuntime,int nType,const CFX_WideString & script,FX_DWORD dwElapse,FX_DWORD dwTimeOut)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
~CJS_Timer()118 CJS_Timer::~CJS_Timer() {
119 CJS_Runtime* pRuntime = GetRuntime();
120 if (pRuntime)
121 pRuntime->RemoveObserver(this);
122 KillJSTimer();
123 }
124
KillJSTimer()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
TimerProc(int idEvent)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
GetGlobalTimerMap()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
OnDestroyed()157 void CJS_Timer::OnDestroyed() {
158 m_bValid = false;
159 }
160