// Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #include "../../include/javascript/JavaScript.h" #include "../../include/javascript/IJavaScript.h" #include "../../include/javascript/JS_EventHandler.h" #include "../../include/javascript/JS_Runtime.h" #include "../../include/javascript/JS_Context.h" #include "../../include/javascript/JS_Define.h" #include "../../include/javascript/JS_Object.h" #include "../../include/javascript/JS_Value.h" #include "../../include/javascript/Document.h" #include "../../include/javascript/app.h" #include "../../include/javascript/color.h" #include "../../include/javascript/Consts.h" #include "../../include/javascript/Document.h" #include "../../include/javascript/event.h" #include "../../include/javascript/Field.h" #include "../../include/javascript/Icon.h" #include "../../include/javascript/PublicMethods.h" #include "../../include/javascript/report.h" #include "../../include/javascript/util.h" #include "../../include/javascript/JS_GlobalData.h" #include "../../include/javascript/global.h" #include "../../include/javascript/console.h" #include "../../include/fpdfxfa/fpdfxfa_app.h" #include "../../../xfa/src/fxjse/src/value.h" #include <libplatform/libplatform.h> CJS_RuntimeFactory::~CJS_RuntimeFactory() { } IFXJS_Runtime* CJS_RuntimeFactory::NewJSRuntime(CPDFDoc_Environment* pApp) { if (!m_bInit) { JS_Initial(); /* m_platform = v8::platform::CreateDefaultPlatform(); v8::V8::InitializePlatform(m_platform); v8::V8::Initialize(); */ m_bInit = TRUE; } return new CJS_Runtime(pApp); } void CJS_RuntimeFactory::AddRef() { //to do.Should be implemented as atom manipulation. m_nRef++; } void CJS_RuntimeFactory::Release() { if(m_bInit) { //to do.Should be implemented as atom manipulation. if (--m_nRef == 0) { JS_Release(); ReleaseGlobalData(); v8::V8::ShutdownPlatform(); delete m_platform; m_platform = NULL; m_bInit = FALSE; } } } void CJS_RuntimeFactory::DeleteJSRuntime(IFXJS_Runtime* pRuntime) { if(pRuntime) delete (CJS_Runtime*)pRuntime; } CJS_GlobalData* CJS_RuntimeFactory::NewGlobalData(CPDFDoc_Environment* pApp) { if (m_pGlobalData) { m_nGlobalDataCount++; return m_pGlobalData; } else { m_nGlobalDataCount = 1; m_pGlobalData = new CJS_GlobalData(pApp); return m_pGlobalData; } } void CJS_RuntimeFactory::ReleaseGlobalData() { m_nGlobalDataCount--; if (m_nGlobalDataCount <= 0) { delete m_pGlobalData; m_pGlobalData = NULL; } } /* ------------------------------ CJS_Runtime ------------------------------ */ extern v8::Persistent<v8::ObjectTemplate>& _getGlobalObjectTemplate(IJS_Runtime* pJSRuntime); CJS_Runtime::CJS_Runtime(CPDFDoc_Environment* pApp) : m_pApp(pApp), m_pDocument(NULL), m_bBlocking(FALSE), m_pFieldEventPath(NULL), m_bRegistered(FALSE) { m_isolate = FPDFXFA_GetApp()->GetJSERuntime()?(v8::Isolate*)FPDFXFA_GetApp()->GetJSERuntime():v8::Isolate::New(); //m_isolate->Enter(); v8::Isolate* isolate = m_isolate; v8::Isolate::Scope isolate_scope(isolate); v8::Locker locker(isolate); v8::HandleScope handle_scope(isolate); if (FPDFXFA_GetApp()->InitRuntime(FALSE)) { CJS_Context * pContext = (CJS_Context*)NewContext(); JS_InitialRuntime(*this, this, pContext, m_context); ReleaseContext(pContext); return; } InitJSObjects(); CJS_Context * pContext = (CJS_Context*)NewContext(); JS_InitialRuntime(*this, this, pContext, m_context); ReleaseContext(pContext); } CJS_Runtime::~CJS_Runtime() { int size = m_ContextArray.GetSize(); for (int i=0;i < size; i++) delete m_ContextArray.GetAt(i); m_ContextArray.RemoveAll(); //JS_ReleaseRuntime(*this, m_context); RemoveEventsInLoop(m_pFieldEventPath); m_pApp = NULL; m_pDocument = NULL; m_pFieldEventPath = NULL; m_context.Reset(); //m_isolate->Exit(); //m_isolate->Dispose(); m_isolate = NULL; } FX_BOOL CJS_Runtime::InitJSObjects() { v8::Isolate::Scope isolate_scope(GetIsolate()); v8::Locker locker(GetIsolate()); v8::HandleScope handle_scope(GetIsolate()); v8::Handle<v8::Context> context = v8::Context::New(GetIsolate()); v8::Context::Scope context_scope(context); //0 - 8 if (CJS_Border::Init(*this, JS_STATIC) < 0) return FALSE; if (CJS_Display::Init(*this, JS_STATIC) < 0) return FALSE; if (CJS_Font::Init(*this, JS_STATIC) < 0) return FALSE; if (CJS_Highlight::Init(*this, JS_STATIC) < 0) return FALSE; if (CJS_Position::Init(*this, JS_STATIC) < 0) return FALSE; if (CJS_ScaleHow::Init(*this, JS_STATIC) < 0) return FALSE; if (CJS_ScaleWhen::Init(*this, JS_STATIC) < 0) return FALSE; if (CJS_Style::Init(*this, JS_STATIC) < 0) return FALSE; if (CJS_Zoomtype::Init(*this, JS_STATIC) < 0) return FALSE; //9 - 11 if (CJS_App::Init(*this, JS_STATIC) < 0) return FALSE; if (CJS_Color::Init(*this, JS_STATIC) < 0) return FALSE; if (CJS_Console::Init(*this, JS_STATIC) < 0) return FALSE; //12 - 14 if (CJS_Document::Init(*this, JS_DYNAMIC) < 0) return FALSE; if (CJS_Event::Init(*this, JS_STATIC) < 0) return FALSE; if (CJS_Field::Init(*this, JS_DYNAMIC) < 0) return FALSE; //15 - 17 if (CJS_Global::Init(*this, JS_STATIC) < 0) return FALSE; if (CJS_Icon::Init(*this, JS_DYNAMIC) < 0) return FALSE; if (CJS_Util::Init(*this, JS_STATIC) < 0) return FALSE; if (CJS_PublicMethods::Init(*this) < 0) return FALSE; if (CJS_GlobalConsts::Init(*this) < 0) return FALSE; if (CJS_GlobalArrays::Init(*this) < 0) return FALSE; if (CJS_TimerObj::Init(*this, JS_DYNAMIC) < 0) return FALSE; if (CJS_PrintParamsObj::Init(*this, JS_DYNAMIC) <0) return FALSE; return TRUE; } IFXJS_Context* CJS_Runtime::NewContext() { CJS_Context * p = new CJS_Context(this); m_ContextArray.Add(p); return p; } void CJS_Runtime::ReleaseContext(IFXJS_Context * pContext) { CJS_Context* pJSContext = (CJS_Context*)pContext; for (int i=0, sz=m_ContextArray.GetSize(); i<sz; i++) { if (pJSContext == m_ContextArray.GetAt(i)) { delete pJSContext; m_ContextArray.RemoveAt(i); break; } } } IFXJS_Context* CJS_Runtime::GetCurrentContext() { if(!m_ContextArray.GetSize()) return NULL; return m_ContextArray.GetAt(m_ContextArray.GetSize()-1); } void CJS_Runtime::SetReaderDocument(CPDFSDK_Document* pReaderDoc) { if (m_pDocument != pReaderDoc) { v8::Isolate::Scope isolate_scope(m_isolate); v8::Locker locker(m_isolate); v8::HandleScope handle_scope(m_isolate); v8::Local<v8::Context> context =v8::Local<v8::Context>::New(m_isolate, m_context); v8::Context::Scope context_scope(context); m_pDocument = pReaderDoc; if (pReaderDoc) { JSObject pThis = JS_GetThisObj(*this); if(!pThis.IsEmpty()) { if (JS_GetObjDefnID(pThis) == JS_GetObjDefnID(*this, L"Document")) { if (CJS_Document* pJSDocument = (CJS_Document*)JS_GetPrivate(pThis)) { if (Document * pDocument = (Document*)pJSDocument->GetEmbedObject()) pDocument->AttachDoc(pReaderDoc); } } } JS_SetThisObj(*this, JS_GetObjDefnID(*this, L"Document")); } else { JS_SetThisObj(*this, JS_GetObjDefnID(*this, L"app")); } } } FX_BOOL CJS_Runtime::AddEventToLoop(const CFX_WideString& sTargetName, JS_EVENT_T eEventType) { if (m_pFieldEventPath == NULL) { m_pFieldEventPath = new CJS_FieldEvent; m_pFieldEventPath->sTargetName = sTargetName; m_pFieldEventPath->eEventType = eEventType; m_pFieldEventPath->pNext = NULL; return TRUE; } //to search CJS_FieldEvent* p = m_pFieldEventPath; CJS_FieldEvent* pLast = m_pFieldEventPath; while (p) { if (p->eEventType == eEventType && p->sTargetName == sTargetName) return FALSE; pLast = p; p = p->pNext; } //to add CJS_FieldEvent* pNew = new CJS_FieldEvent; pNew->sTargetName = sTargetName; pNew->eEventType = eEventType; pNew->pNext = NULL; pLast->pNext = pNew; return TRUE; } void CJS_Runtime::RemoveEventInLoop(const CFX_WideString& sTargetName, JS_EVENT_T eEventType) { FX_BOOL bFind = FALSE; CJS_FieldEvent* p = m_pFieldEventPath; CJS_FieldEvent* pLast = NULL; while (p) { if (p->eEventType == eEventType && p->sTargetName == sTargetName) { bFind = TRUE; break; } pLast = p; p = p->pNext; } if (bFind) { RemoveEventsInLoop(p); if (p == m_pFieldEventPath) m_pFieldEventPath = NULL; if (pLast) pLast->pNext = NULL; } } void CJS_Runtime::RemoveEventsInLoop(CJS_FieldEvent* pStart) { CJS_FieldEvent* p = pStart; while (p) { CJS_FieldEvent* pOld = p; p = pOld->pNext; delete pOld; } } v8::Handle<v8::Context> CJS_Runtime::NewJSContext() { return v8::Local<v8::Context>::New(m_isolate, m_context); } CFX_WideString ChangeObjName(const CFX_WideString& str) { CFX_WideString sRet = str; sRet.Replace(L"_", L"."); return sRet; } void CJS_Runtime::GetObjectNames(CFX_WideStringArray& array) { array.RemoveAll(); array.Add(CJS_Border::m_pClassName); array.Add(CJS_Display::m_pClassName); array.Add(CJS_Font::m_pClassName); array.Add(CJS_Highlight::m_pClassName); array.Add(CJS_Position::m_pClassName); array.Add(CJS_ScaleHow::m_pClassName); array.Add(CJS_ScaleWhen::m_pClassName); array.Add(CJS_Style::m_pClassName); array.Add(CJS_Zoomtype::m_pClassName); array.Add(CJS_App::m_pClassName); array.Add(L"this"); array.Add(CJS_Event::m_pClassName); array.Add(CJS_Global::m_pClassName); array.Add(CJS_Util::m_pClassName); } void CJS_Runtime::GetObjectConsts(const CFX_WideString& sObjName, CFX_WideStringArray& array) { JSConstSpec* pConsts = NULL; int nSize = 0; if (sObjName == CJS_Border::m_pClassName) CJS_Border::GetConsts(pConsts, nSize); else if (sObjName == CJS_Display::m_pClassName) CJS_Display::GetConsts(pConsts, nSize); else if (sObjName == CJS_Font::m_pClassName) CJS_Font::GetConsts(pConsts, nSize); else if (sObjName == CJS_Highlight::m_pClassName) CJS_Highlight::GetConsts(pConsts, nSize); else if (sObjName == CJS_Position::m_pClassName) CJS_Position::GetConsts(pConsts, nSize); else if (sObjName == CJS_ScaleHow::m_pClassName) CJS_ScaleHow::GetConsts(pConsts, nSize); else if (sObjName == CJS_ScaleWhen::m_pClassName) CJS_ScaleWhen::GetConsts(pConsts, nSize); else if (sObjName == CJS_Style::m_pClassName) CJS_Style::GetConsts(pConsts, nSize); else if (sObjName == CJS_Zoomtype::m_pClassName) CJS_Zoomtype::GetConsts(pConsts, nSize); else if (sObjName == CJS_App::m_pClassName) CJS_App::GetConsts(pConsts, nSize); else if (sObjName == CJS_Color::m_pClassName) CJS_Color::GetConsts(pConsts, nSize); else if (sObjName == L"this") { if (GetReaderDocument()) CJS_Document::GetConsts(pConsts, nSize); else CJS_App::GetConsts(pConsts, nSize); } if (sObjName == CJS_Event::m_pClassName) CJS_Event::GetConsts(pConsts, nSize); else if (sObjName == CJS_Field::m_pClassName) CJS_Field::GetConsts(pConsts, nSize); else if (sObjName == CJS_Global::m_pClassName) CJS_Global::GetConsts(pConsts, nSize); else if (sObjName == CJS_Util::m_pClassName) CJS_Util::GetConsts(pConsts, nSize); for (int i=0; i<nSize; i++) array.Add(pConsts[i].pName); } void CJS_Runtime::GetObjectProps(const CFX_WideString& sObjName, CFX_WideStringArray& array) { JSPropertySpec* pProperties = NULL; int nSize = 0; if (sObjName == CJS_App::m_pClassName) CJS_App::GetProperties(pProperties, nSize); else if (sObjName == CJS_Color::m_pClassName) CJS_Color::GetProperties(pProperties, nSize); else if (sObjName == L"this") { if (GetReaderDocument()) CJS_Document::GetProperties(pProperties, nSize); else CJS_App::GetProperties(pProperties, nSize); } else if (sObjName == CJS_Event::m_pClassName) CJS_Event::GetProperties(pProperties, nSize); else if (sObjName == CJS_Field::m_pClassName) CJS_Field::GetProperties(pProperties, nSize); else if (sObjName == CJS_Global::m_pClassName) CJS_Global::GetProperties(pProperties, nSize); else if (sObjName == CJS_Util::m_pClassName) CJS_Util::GetProperties(pProperties, nSize); for (int i=0; i<nSize; i++) array.Add(pProperties[i].pName); } void CJS_Runtime::GetObjectMethods(const CFX_WideString& sObjName, CFX_WideStringArray& array) { JSMethodSpec* pMethods = NULL; int nSize = 0; if (sObjName == CJS_App::m_pClassName) CJS_App::GetMethods(pMethods, nSize); else if (sObjName == CJS_Color::m_pClassName) CJS_Color::GetMethods(pMethods, nSize); else if (sObjName == L"this") { if (GetReaderDocument()) CJS_Document::GetMethods(pMethods, nSize); else CJS_App::GetMethods(pMethods, nSize); } else if (sObjName == CJS_Event::m_pClassName) CJS_Event::GetMethods(pMethods, nSize); else if (sObjName == CJS_Field::m_pClassName) CJS_Field::GetMethods(pMethods, nSize); else if (sObjName == CJS_Global::m_pClassName) CJS_Global::GetMethods(pMethods, nSize); else if (sObjName == CJS_Util::m_pClassName) CJS_Util::GetMethods(pMethods, nSize); for (int i=0; i<nSize; i++) array.Add(pMethods[i].pName); } FX_BOOL CJS_Runtime::IsEntered() { return v8::Isolate::GetCurrent() == m_isolate; } void CJS_Runtime::Exit() { if(m_isolate) m_isolate->Exit(); } void CJS_Runtime::Enter() { if(m_isolate) m_isolate->Enter(); } FX_BOOL CJS_Runtime::GetHValueByName(FX_BSTR utf8Name, FXJSE_HVALUE hValue) { FX_LPCSTR name = utf8Name.GetCStr(); v8::Locker lock(GetIsolate()); v8::Isolate::Scope isolate_scope(GetIsolate()); v8::HandleScope handle_scope(GetIsolate()); v8::Local<v8::Context> context = v8::Local<v8::Context>::New(GetIsolate(), m_context); v8::Context::Scope context_scope(context); //v8::Local<v8::Context> tmpCotext = v8::Local<v8::Context>::New(GetIsolate(), m_context); v8::Local<v8::Value> propvalue = context->Global()->Get(v8::String::NewFromUtf8(GetIsolate(), name, v8::String::kNormalString, utf8Name.GetLength())); if (propvalue.IsEmpty()) { FXJSE_Value_SetUndefined(hValue); return FALSE; } ((CFXJSE_Value*)hValue)->ForceSetValue(propvalue); return TRUE; } FX_BOOL CJS_Runtime::SetHValueByName(FX_BSTR utf8Name, FXJSE_HVALUE hValue) { if (utf8Name.IsEmpty() || hValue == NULL) return FALSE; FX_LPCSTR name = utf8Name.GetCStr(); v8::Isolate* pIsolate = GetIsolate(); v8::Locker lock(pIsolate); v8::Isolate::Scope isolate_scope(pIsolate); v8::HandleScope handle_scope(pIsolate); v8::Local<v8::Context> context = v8::Local<v8::Context>::New(pIsolate, m_context); v8::Context::Scope context_scope(context); //v8::Local<v8::Context> tmpCotext = v8::Local<v8::Context>::New(GetIsolate(), m_context); v8::Local<v8::Value> propvalue = v8::Local<v8::Value>::New(GetIsolate(),((CFXJSE_Value*)hValue)->DirectGetValue()); context->Global()->Set(v8::String::NewFromUtf8(pIsolate, name, v8::String::kNormalString, utf8Name.GetLength()), propvalue); return TRUE; }