// Copyright 2016 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 #ifndef FXJS_CFXJSE_ISOLATETRACKER_H_ #define FXJS_CFXJSE_ISOLATETRACKER_H_ #include <map> #include <memory> #include <vector> #include "v8/include/v8.h" #include "fxjs/cfxjse_runtimedata.h" class CFXJSE_ScopeUtil_IsolateHandle { public: explicit CFXJSE_ScopeUtil_IsolateHandle(v8::Isolate* pIsolate) : m_isolate(pIsolate), m_iscope(pIsolate), m_hscope(pIsolate) {} v8::Isolate* GetIsolate() { return m_isolate; } private: CFXJSE_ScopeUtil_IsolateHandle(const CFXJSE_ScopeUtil_IsolateHandle&) = delete; void operator=(const CFXJSE_ScopeUtil_IsolateHandle&) = delete; void* operator new(size_t size) = delete; void operator delete(void*, size_t) = delete; v8::Isolate* m_isolate; v8::Isolate::Scope m_iscope; v8::HandleScope m_hscope; }; class CFXJSE_ScopeUtil_IsolateHandleRootContext { public: explicit CFXJSE_ScopeUtil_IsolateHandleRootContext(v8::Isolate* pIsolate) : m_parent(pIsolate), m_cscope(v8::Local<v8::Context>::New( pIsolate, CFXJSE_RuntimeData::Get(pIsolate)->m_hRootContext)) {} private: CFXJSE_ScopeUtil_IsolateHandleRootContext( const CFXJSE_ScopeUtil_IsolateHandleRootContext&) = delete; void operator=(const CFXJSE_ScopeUtil_IsolateHandleRootContext&) = delete; void* operator new(size_t size) = delete; void operator delete(void*, size_t) = delete; CFXJSE_ScopeUtil_IsolateHandle m_parent; v8::Context::Scope m_cscope; }; class CFXJSE_IsolateTracker { public: typedef void (*DisposeCallback)(v8::Isolate*, bool bOwnedIsolate); CFXJSE_IsolateTracker(); ~CFXJSE_IsolateTracker(); void Append(v8::Isolate* pIsolate, std::unique_ptr<v8::ArrayBuffer::Allocator> alloc); void Remove(v8::Isolate* pIsolate, DisposeCallback lpfnDisposeCallback); void RemoveAll(DisposeCallback lpfnDisposeCallback); static CFXJSE_IsolateTracker* g_pInstance; protected: std::vector<v8::Isolate*> m_OwnedIsolates; std::map<v8::Isolate*, std::unique_ptr<v8::ArrayBuffer::Allocator>> m_AllocatorMap; }; #endif // FXJS_CFXJSE_ISOLATETRACKER_H_