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Diffstat (limited to 'fxjs/fxjs_v8.h')
| -rw-r--r-- | fxjs/fxjs_v8.h | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/fxjs/fxjs_v8.h b/fxjs/fxjs_v8.h deleted file mode 100644 index 9ef746018c..0000000000 --- a/fxjs/fxjs_v8.h +++ /dev/null @@ -1,200 +0,0 @@ -// 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 - -// FXJS_V8 is a layer that makes it easier to define native objects in V8, but -// has no knowledge of PDF-specific native objects. It could in theory be used -// to implement other sets of native objects. - -// PDFium code should include this file rather than including V8 headers -// directly. - -#ifndef FXJS_FXJS_V8_H_ -#define FXJS_FXJS_V8_H_ - -#include <functional> -#include <map> -#include <memory> -#include <vector> - -#include "core/fxcrt/fx_string.h" -#include "fxjs/cfx_v8.h" -#include "v8/include/v8-util.h" -#include "v8/include/v8.h" - -#ifdef PDF_ENABLE_XFA -// FXJS_V8 doesn't interpret this class, it is just passed along to XFA. -class CFXJSE_RuntimeData; -#endif // PDF_ENABLE_XFA - -class CFXJS_ObjDefinition; -class CJS_Object; - -// FXJS_V8 places no restrictions on this class; it merely passes it -// on to caller-provided methods. -class IJS_EventContext; // A description of the event that caused JS execution. - -enum FXJSOBJTYPE { - FXJSOBJTYPE_DYNAMIC = 0, // Created by native method and returned to JS. - FXJSOBJTYPE_STATIC, // Created by init and hung off of global object. - FXJSOBJTYPE_GLOBAL, // The global object itself (may only appear once). -}; - -struct FXJSErr { - const wchar_t* message; - const wchar_t* srcline; - unsigned linnum; -}; - -// Global weak map to save dynamic objects. -class V8TemplateMapTraits : public v8::StdMapTraits<void*, v8::Object> { - public: - typedef v8::GlobalValueMap<void*, v8::Object, V8TemplateMapTraits> MapType; - typedef void WeakCallbackDataType; - - static WeakCallbackDataType* - WeakCallbackParameter(MapType* map, void* key, v8::Local<v8::Object> value) { - return key; - } - static MapType* MapFromWeakCallbackInfo( - const v8::WeakCallbackInfo<WeakCallbackDataType>&); - - static void* KeyFromWeakCallbackInfo( - const v8::WeakCallbackInfo<WeakCallbackDataType>& data) { - return data.GetParameter(); - } - static const v8::PersistentContainerCallbackType kCallbackType = - v8::kWeakWithInternalFields; - static void DisposeWeak( - const v8::WeakCallbackInfo<WeakCallbackDataType>& data) {} - static void OnWeakCallback( - const v8::WeakCallbackInfo<WeakCallbackDataType>& data) {} - static void Dispose(v8::Isolate* isolate, - v8::Global<v8::Object> value, - void* key); - static void DisposeCallbackData(WeakCallbackDataType* callbackData) {} -}; - -class V8TemplateMap { - public: - typedef v8::GlobalValueMap<void*, v8::Object, V8TemplateMapTraits> MapType; - - explicit V8TemplateMap(v8::Isolate* isolate); - ~V8TemplateMap(); - - void set(void* key, v8::Local<v8::Object> handle); - - friend class V8TemplateMapTraits; - - private: - MapType m_map; -}; - -class FXJS_PerIsolateData { - public: - ~FXJS_PerIsolateData(); - - static void SetUp(v8::Isolate* pIsolate); - static FXJS_PerIsolateData* Get(v8::Isolate* pIsolate); - - std::vector<std::unique_ptr<CFXJS_ObjDefinition>> m_ObjectDefnArray; -#ifdef PDF_ENABLE_XFA - std::unique_ptr<CFXJSE_RuntimeData> m_pFXJSERuntimeData; -#endif // PDF_ENABLE_XFA - std::unique_ptr<V8TemplateMap> m_pDynamicObjsMap; - - protected: - explicit FXJS_PerIsolateData(v8::Isolate* pIsolate); -}; - -void FXJS_Initialize(unsigned int embedderDataSlot, v8::Isolate* pIsolate); -void FXJS_Release(); - -// Gets the global isolate set by FXJS_Initialize(), or makes a new one each -// time if there is no such isolate. Returns true if a new isolate had to be -// created. -bool FXJS_GetIsolate(v8::Isolate** pResultIsolate); - -// Get the global isolate's ref count. -size_t FXJS_GlobalIsolateRefCount(); - -class CFXJS_Engine : public CFX_V8 { - public: - explicit CFXJS_Engine(v8::Isolate* pIsolate); - ~CFXJS_Engine() override; - - using Constructor = - std::function<void(CFXJS_Engine* pEngine, v8::Local<v8::Object> obj)>; - using Destructor = std::function<void(v8::Local<v8::Object> obj)>; - - static CFXJS_Engine* EngineFromIsolateCurrentContext(v8::Isolate* pIsolate); - static CFXJS_Engine* EngineFromContext(v8::Local<v8::Context> pContext); - - static int GetObjDefnID(v8::Local<v8::Object> pObj); - - static void SetObjectPrivate(v8::Local<v8::Object> pObj, - std::unique_ptr<CJS_Object> p); - static void FreeObjectPrivate(v8::Local<v8::Object> pObj); - - void SetIntoContext(v8::Local<v8::Context> pContext); - - // Always returns a valid, newly-created objDefnID. - int DefineObj(const char* sObjName, - FXJSOBJTYPE eObjType, - Constructor pConstructor, - Destructor pDestructor); - - void DefineObjMethod(int nObjDefnID, - const char* sMethodName, - v8::FunctionCallback pMethodCall); - void DefineObjProperty(int nObjDefnID, - const char* sPropName, - v8::AccessorGetterCallback pPropGet, - v8::AccessorSetterCallback pPropPut); - void DefineObjAllProperties(int nObjDefnID, - v8::NamedPropertyQueryCallback pPropQurey, - v8::NamedPropertyGetterCallback pPropGet, - v8::NamedPropertySetterCallback pPropPut, - v8::NamedPropertyDeleterCallback pPropDel); - void DefineObjConst(int nObjDefnID, - const char* sConstName, - v8::Local<v8::Value> pDefault); - void DefineGlobalMethod(const char* sMethodName, - v8::FunctionCallback pMethodCall); - void DefineGlobalConst(const wchar_t* sConstName, - v8::FunctionCallback pConstGetter); - - // Called after FXJS_Define* calls made. - void InitializeEngine(); - void ReleaseEngine(); - - // Called after FXJS_InitializeEngine call made. - int Execute(const WideString& script, FXJSErr* perror); - - v8::Local<v8::Object> GetThisObj(); - v8::Local<v8::Object> NewFXJSBoundObject(int nObjDefnID, - bool bStatic = false); - // Retrieve native object binding. - CJS_Object* GetObjectPrivate(v8::Local<v8::Object> pObj); - - void Error(const WideString& message); - - v8::Local<v8::Context> GetV8Context() { - return v8::Local<v8::Context>::New(GetIsolate(), m_V8Context); - } - - v8::Local<v8::Array> GetConstArray(const WideString& name); - void SetConstArray(const WideString& name, v8::Local<v8::Array> array); - - protected: - CFXJS_Engine(); - - private: - v8::Global<v8::Context> m_V8Context; - std::vector<v8::Global<v8::Object>> m_StaticObjects; - std::map<WideString, v8::Global<v8::Array>> m_ConstArrays; -}; - -#endif // FXJS_FXJS_V8_H_ |