1 // Copyright 2016 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 #ifndef FXJS_CFXJSE_ISOLATETRACKER_H_ 8 #define FXJS_CFXJSE_ISOLATETRACKER_H_ 9 10 #include <map> 11 #include <memory> 12 #include <vector> 13 14 #include "v8/include/v8.h" 15 16 #include "fxjs/cfxjse_runtimedata.h" 17 18 class CFXJSE_ScopeUtil_IsolateHandle { 19 public: 20 explicit CFXJSE_ScopeUtil_IsolateHandle(v8::Isolate* pIsolate) 21 : m_isolate(pIsolate), m_iscope(pIsolate), m_hscope(pIsolate) {} 22 v8::Isolate* GetIsolate() { return m_isolate; } 23 24 private: 25 CFXJSE_ScopeUtil_IsolateHandle(const CFXJSE_ScopeUtil_IsolateHandle&) = 26 delete; 27 void operator=(const CFXJSE_ScopeUtil_IsolateHandle&) = delete; 28 void* operator new(size_t size) = delete; 29 void operator delete(void*, size_t) = delete; 30 31 v8::Isolate* m_isolate; 32 v8::Isolate::Scope m_iscope; 33 v8::HandleScope m_hscope; 34 }; 35 36 class CFXJSE_ScopeUtil_IsolateHandleRootContext { 37 public: 38 explicit CFXJSE_ScopeUtil_IsolateHandleRootContext(v8::Isolate* pIsolate) 39 : m_parent(pIsolate), 40 m_cscope(v8::Local<v8::Context>::New( 41 pIsolate, 42 CFXJSE_RuntimeData::Get(pIsolate)->m_hRootContext)) {} 43 44 private: 45 CFXJSE_ScopeUtil_IsolateHandleRootContext( 46 const CFXJSE_ScopeUtil_IsolateHandleRootContext&) = delete; 47 void operator=(const CFXJSE_ScopeUtil_IsolateHandleRootContext&) = delete; 48 void* operator new(size_t size) = delete; 49 void operator delete(void*, size_t) = delete; 50 51 CFXJSE_ScopeUtil_IsolateHandle m_parent; 52 v8::Context::Scope m_cscope; 53 }; 54 55 class CFXJSE_IsolateTracker { 56 public: 57 typedef void (*DisposeCallback)(v8::Isolate*, bool bOwnedIsolate); 58 59 CFXJSE_IsolateTracker(); 60 ~CFXJSE_IsolateTracker(); 61 62 void Append(v8::Isolate* pIsolate, 63 std::unique_ptr<v8::ArrayBuffer::Allocator> alloc); 64 void Remove(v8::Isolate* pIsolate, DisposeCallback lpfnDisposeCallback); 65 void RemoveAll(DisposeCallback lpfnDisposeCallback); 66 67 static CFXJSE_IsolateTracker* g_pInstance; 68 69 protected: 70 std::vector<v8::Isolate*> m_OwnedIsolates; 71 std::map<v8::Isolate*, std::unique_ptr<v8::ArrayBuffer::Allocator>> 72 m_AllocatorMap; 73 }; 74 75 #endif // FXJS_CFXJSE_ISOLATETRACKER_H_ 76
