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author | dsinclair <dsinclair@chromium.org> | 2016-09-29 17:29:48 -0700 |
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committer | Commit bot <commit-bot@chromium.org> | 2016-09-29 17:29:48 -0700 |
commit | 435546810a7c48f09889c00600ad344850b71f95 (patch) | |
tree | 3c690ec1fe5df0c7feb509f4276bb26c87564345 /fxjs/include/fxjs_v8.h | |
parent | 114e46a1d97587973515e9aad7955e469c7486a8 (diff) | |
download | pdfium-435546810a7c48f09889c00600ad344850b71f95.tar.xz |
Move fxjs/include to fxjs
BUG=pdfium:611
Review-Url: https://codereview.chromium.org/2380713005
Diffstat (limited to 'fxjs/include/fxjs_v8.h')
-rw-r--r-- | fxjs/include/fxjs_v8.h | 262 |
1 files changed, 0 insertions, 262 deletions
diff --git a/fxjs/include/fxjs_v8.h b/fxjs/include/fxjs_v8.h deleted file mode 100644 index a9064f3faf..0000000000 --- a/fxjs/include/fxjs_v8.h +++ /dev/null @@ -1,262 +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_INCLUDE_FXJS_V8_H_ -#define FXJS_INCLUDE_FXJS_V8_H_ - -#include <v8-util.h> -#include <v8.h> - -#include <map> -#include <memory> -#include <vector> - -#include "core/fxcrt/fx_string.h" -#ifdef PDF_ENABLE_XFA -// Header for CFXJSE_RuntimeData. FXJS_V8 doesn't interpret this class, -// it is just passed along to XFA. -#include "fxjs/cfxjse_runtimedata.h" -#endif // PDF_ENABLE_XFA - -class CFXJS_Engine; -class CFXJS_ObjDefinition; - -// FXJS_V8 places no restrictions on this class; it merely passes it -// on to caller-provided methods. -class IJS_Context; // 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, - const 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); -}; - -class FXJS_ArrayBufferAllocator : public v8::ArrayBuffer::Allocator { - void* Allocate(size_t length) override; - void* AllocateUninitialized(size_t length) override; - void Free(void* data, size_t length) override; -}; - -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: - explicit CFXJS_Engine(v8::Isolate* pIsolate); - ~CFXJS_Engine(); - - using Constructor = void (*)(CFXJS_Engine* pEngine, - v8::Local<v8::Object> obj); - using Destructor = void (*)(CFXJS_Engine* pEngine, v8::Local<v8::Object> obj); - - static CFXJS_Engine* CurrentEngineFromIsolate(v8::Isolate* pIsolate); - static int GetObjDefnID(v8::Local<v8::Object> pObj); - -#ifdef PDF_ENABLE_XFA - // Called as part of FXJS_InitializeEngine, exposed so PDF can make its - // own contexts compatible with XFA or vice versa. - static void SetForV8Context(v8::Local<v8::Context> v8Context, - CFXJS_Engine* pEngine); -#endif // PDF_ENABLE_XFA - - v8::Isolate* GetIsolate() const { return m_isolate; } - - // Always returns a valid, newly-created objDefnID. - int DefineObj(const wchar_t* sObjName, - FXJSOBJTYPE eObjType, - Constructor pConstructor, - Destructor pDestructor); - - void DefineObjMethod(int nObjDefnID, - const wchar_t* sMethodName, - v8::FunctionCallback pMethodCall); - void DefineObjProperty(int nObjDefnID, - const wchar_t* 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 wchar_t* sConstName, - v8::Local<v8::Value> pDefault); - void DefineGlobalMethod(const wchar_t* 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 CFX_WideString& script, FXJSErr* perror); - - v8::Local<v8::Context> NewLocalContext(); - v8::Local<v8::Context> GetPersistentContext(); - - v8::Local<v8::Value> NewNull(); - v8::Local<v8::Array> NewArray(); - v8::Local<v8::Value> NewNumber(int number); - v8::Local<v8::Value> NewNumber(double number); - v8::Local<v8::Value> NewNumber(float number); - v8::Local<v8::Value> NewBoolean(bool b); - v8::Local<v8::Value> NewString(const wchar_t* str); - v8::Local<v8::Date> NewDate(double d); - v8::Local<v8::Object> NewFxDynamicObj(int nObjDefnID, bool bStatic = false); - - v8::Local<v8::Object> GetThisObj(); - int ToInt32(v8::Local<v8::Value> pValue); - bool ToBoolean(v8::Local<v8::Value> pValue); - double ToNumber(v8::Local<v8::Value> pValue); - CFX_WideString ToString(v8::Local<v8::Value> pValue); - v8::Local<v8::Object> ToObject(v8::Local<v8::Value> pValue); - v8::Local<v8::Array> ToArray(v8::Local<v8::Value> pValue); - - unsigned GetArrayLength(v8::Local<v8::Array> pArray); - v8::Local<v8::Value> GetArrayElement(v8::Local<v8::Array> pArray, - unsigned index); - unsigned PutArrayElement(v8::Local<v8::Array> pArray, - unsigned index, - v8::Local<v8::Value> pValue); - - std::vector<CFX_WideString> GetObjectPropertyNames( - v8::Local<v8::Object> pObj); - v8::Local<v8::Value> GetObjectProperty(v8::Local<v8::Object> pObj, - const CFX_WideString& PropertyName); - - void PutObjectString(v8::Local<v8::Object> pObj, - const CFX_WideString& wsPropertyName, - const CFX_WideString& wsValue); - void PutObjectNumber(v8::Local<v8::Object> pObj, - const CFX_WideString& PropertyName, - int nValue); - void PutObjectNumber(v8::Local<v8::Object> pObj, - const CFX_WideString& PropertyName, - float fValue); - void PutObjectNumber(v8::Local<v8::Object> pObj, - const CFX_WideString& PropertyName, - double dValue); - void PutObjectBoolean(v8::Local<v8::Object> pObj, - const CFX_WideString& PropertyName, - bool bValue); - void PutObjectObject(v8::Local<v8::Object> pObj, - const CFX_WideString& PropertyName, - v8::Local<v8::Object> pPut); - void PutObjectNull(v8::Local<v8::Object> pObj, - const CFX_WideString& PropertyName); - - // Native object binding. - void SetObjectPrivate(v8::Local<v8::Object> pObj, void* p); - void* GetObjectPrivate(v8::Local<v8::Object> pObj); - static void FreeObjectPrivate(void* p); - static void FreeObjectPrivate(v8::Local<v8::Object> pObj); - - void SetConstArray(const CFX_WideString& name, v8::Local<v8::Array> array); - v8::Local<v8::Array> GetConstArray(const CFX_WideString& name); - - v8::Local<v8::String> WSToJSString(const CFX_WideString& wsPropertyName); - void Error(const CFX_WideString& message); - - protected: - CFXJS_Engine(); - - void SetIsolate(v8::Isolate* pIsolate) { m_isolate = pIsolate; } - - private: - v8::Isolate* m_isolate; - v8::Global<v8::Context> m_V8PersistentContext; - std::vector<v8::Global<v8::Object>*> m_StaticObjects; - std::map<CFX_WideString, v8::Global<v8::Array>> m_ConstArrays; -}; - -#endif // FXJS_INCLUDE_FXJS_V8_H_ |