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// Copyright (c) 2012 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 MEDIA_AUDIO_MOCK_AUDIO_MANAGER_H_
#define MEDIA_AUDIO_MOCK_AUDIO_MANAGER_H_
#include "media/audio/audio_manager.h"
namespace media {
// This class is a simple mock around AudioManager, used exclusively for tests,
// which has the following purposes:
// 1) Avoids to use the actual (system and platform dependent) AudioManager.
// Some bots does not have input devices, thus using the actual AudioManager
// would causing failures on classes which expect that.
// 2) Allows the mock audio events to be dispatched on an arbitrary thread,
// rather than forcing them on the audio thread, easing their handling in
// browser tests (Note: sharing a thread can cause deadlocks on production
// classes if WaitableEvents or any other form of lock is used for
// synchronization purposes).
class MockAudioManager : public media::AudioManager {
public:
explicit MockAudioManager(base::MessageLoopProxy* message_loop_proxy);
virtual bool HasAudioOutputDevices() OVERRIDE;
virtual bool HasAudioInputDevices() OVERRIDE;
virtual string16 GetAudioInputDeviceModel() OVERRIDE;
virtual void ShowAudioInputSettings() OVERRIDE;
virtual void GetAudioInputDeviceNames(
media::AudioDeviceNames* device_names) OVERRIDE;
virtual void GetAudioOutputDeviceNames(
media::AudioDeviceNames* device_names) OVERRIDE;
virtual media::AudioOutputStream* MakeAudioOutputStream(
const media::AudioParameters& params,
const std::string& device_id,
const std::string& input_device_id) OVERRIDE;
virtual media::AudioOutputStream* MakeAudioOutputStreamProxy(
const media::AudioParameters& params,
const std::string& device_id,
const std::string& input_device_id) OVERRIDE;
virtual media::AudioInputStream* MakeAudioInputStream(
const media::AudioParameters& params,
const std::string& device_id) OVERRIDE;
virtual scoped_refptr<base::MessageLoopProxy> GetMessageLoop() OVERRIDE;
virtual scoped_refptr<base::MessageLoopProxy> GetWorkerLoop() OVERRIDE;
virtual void AddOutputDeviceChangeListener(
AudioDeviceListener* listener) OVERRIDE;
virtual void RemoveOutputDeviceChangeListener(
AudioDeviceListener* listener) OVERRIDE;
virtual AudioParameters GetDefaultOutputStreamParameters() OVERRIDE;
virtual AudioParameters GetOutputStreamParameters(
const std::string& device_id) OVERRIDE;
virtual AudioParameters GetInputStreamParameters(
const std::string& device_id) OVERRIDE;
virtual std::string GetAssociatedOutputDeviceID(
const std::string& input_device_id) OVERRIDE;
private:
virtual ~MockAudioManager();
scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;
DISALLOW_COPY_AND_ASSIGN(MockAudioManager);
};
} // namespace media.
#endif // MEDIA_AUDIO_MOCK_AUDIO_MANAGER_H_
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