// Copyright (c) 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 CONTENT_BROWSER_STREAMS_STREAM_CONTEXT_H_ #define CONTENT_BROWSER_STREAMS_STREAM_CONTEXT_H_ #include "base/memory/ref_counted.h" #include "base/memory/scoped_ptr.h" #include "base/sequenced_task_runner_helpers.h" #include "content/common/content_export.h" namespace content { class BrowserContext; class StreamRegistry; struct StreamContextDeleter; // A context class that keeps track of StreamRegistry used by the chrome. // There is an instance associated with each BrowserContext. There could be // multiple URLRequestContexts in the same browser context that refers to the // same instance. // // All methods, except the ctor, are expected to be called on // the IO thread (unless specifically called out in doc comments). class StreamContext : public base::RefCountedThreadSafe<StreamContext, StreamContextDeleter> { public: StreamContext(); CONTENT_EXPORT static StreamContext* GetFor(BrowserContext* browser_context); void InitializeOnIOThread(); StreamRegistry* registry() const { return registry_.get(); } protected: virtual ~StreamContext(); private: friend class base::DeleteHelper<StreamContext>; friend class base::RefCountedThreadSafe<StreamContext, StreamContextDeleter>; friend struct StreamContextDeleter; void DeleteOnCorrectThread() const; scoped_ptr<StreamRegistry> registry_; }; struct StreamContextDeleter { static void Destruct(const StreamContext* context) { context->DeleteOnCorrectThread(); } }; } // namespace content #endif // CONTENT_BROWSER_STREAMS_STREAM_CONTEXT_H_