| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef GIN_PUBLIC_ISOLATE_HOLDER_H_ |
| #define GIN_PUBLIC_ISOLATE_HOLDER_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "gin/gin_export.h" |
| |
| namespace v8 { |
| class Isolate; |
| } |
| |
| namespace gin { |
| |
| class PerIsolateData; |
| |
| // To embed Gin, first create an instance of IsolateHolder to hold the |
| // v8::Isolate in which you will execute JavaScript. You might wish to subclass |
| // IsolateHolder if you want to tie more state to the lifetime of the |
| // |
| // You can use gin in two modes: either gin manages V8, or the gin-embedder |
| // manages gin. If gin manages V8, use the IsolateHolder constructor without |
| // parameters, otherwise, the gin-embedder needs to create v8::Isolates and |
| // pass them to IsolateHolder. |
| // |
| // It is not possible to mix the two. |
| class GIN_EXPORT IsolateHolder { |
| public: |
| IsolateHolder(); |
| explicit IsolateHolder(v8::Isolate* isolate); |
| |
| ~IsolateHolder(); |
| |
| v8::Isolate* isolate() { return isolate_; } |
| |
| private: |
| void Init(); |
| |
| bool isolate_owner_; |
| v8::Isolate* isolate_; |
| scoped_ptr<PerIsolateData> isolate_data_; |
| |
| DISALLOW_COPY_AND_ASSIGN(IsolateHolder); |
| }; |
| |
| } // namespace gin |
| |
| #endif // GIN_PUBLIC_ISOLATE_HOLDER_H_ |