1 // Copyright 2013 The Chromium 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 #ifndef GIN_PUBLIC_ISOLATE_HOLDER_H_ 6 #define GIN_PUBLIC_ISOLATE_HOLDER_H_ 7 8 #include "base/basictypes.h" 9 #include "base/memory/scoped_ptr.h" 10 #include "gin/gin_export.h" 11 12 namespace v8 { 13 class Isolate; 14 } 15 16 namespace gin { 17 18 class PerIsolateData; 19 20 // To embed Gin, first create an instance of IsolateHolder to hold the 21 // v8::Isolate in which you will execute JavaScript. You might wish to subclass 22 // IsolateHolder if you want to tie more state to the lifetime of the 23 // 24 // You can use gin in two modes: either gin manages V8, or the gin-embedder 25 // manages gin. If gin manages V8, use the IsolateHolder constructor without 26 // parameters, otherwise, the gin-embedder needs to create v8::Isolates and 27 // pass them to IsolateHolder. 28 // 29 // It is not possible to mix the two. 30 class GIN_EXPORT IsolateHolder { 31 public: 32 IsolateHolder(); 33 explicit IsolateHolder(v8::Isolate* isolate); 34 35 ~IsolateHolder(); 36 37 v8::Isolate* isolate() { return isolate_; } 38 39 private: 40 void Init(); 41 42 bool isolate_owner_; 43 v8::Isolate* isolate_; 44 scoped_ptr<PerIsolateData> isolate_data_; 45 46 DISALLOW_COPY_AND_ASSIGN(IsolateHolder); 47 }; 48 49 } // namespace gin 50 51 #endif // GIN_PUBLIC_ISOLATE_HOLDER_H_ 52
