| // 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_ |