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// Copyright 2016 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_AUDIO_MANAGER_THREAD_H_
#define CONTENT_BROWSER_AUDIO_MANAGER_THREAD_H_
#include "base/memory/ref_counted.h"
#include "base/threading/thread.h"
#include "content/common/content_export.h"
namespace content {
// This class encapulates the logic for the thread and task runners that the
// AudioManager and related classes run on. audio_task_runner and
// worker_task_runner should be called on the same thread as the
// AudioManagerThread was constructed on.
class CONTENT_EXPORT AudioManagerThread {
public:
// Constructs and starts a thread. On all platforms except for Mac, the
// started thread becomes the audio task runner. However, on Mac, the task
// runner this object is constructed on will become the audio thread and the
// thread is only used for high complexity tasks which can't be run on the
// main thread (typically the UI thread).
AudioManagerThread();
~AudioManagerThread();
scoped_refptr<base::SingleThreadTaskRunner> task_runner() const {
return task_runner_;
};
scoped_refptr<base::SingleThreadTaskRunner> worker_task_runner() const {
return thread_.task_runner();
}
private:
base::Thread thread_;
// Task runner to run audio control calls on.
scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
DISALLOW_COPY_AND_ASSIGN(AudioManagerThread);
};
} // namespace content
#endif // CONTENT_BROWSER_AUDIO_MANAGER_THREAD_H_
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