ash/system/chromeos/audio/tray_audio_delegate_chromeos.h

// Copyright 2014 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 ASH_SYSTEM_AUDIO_TRAY_AUDIO_DELEGATE_CHROMEOS_H_
#define ASH_SYSTEM_AUDIO_TRAY_AUDIO_DELEGATE_CHROMEOS_H_

#include "ash/ash_export.h"
#include "ash/system/audio/tray_audio_delegate.h"
#include "base/compiler_specific.h"

namespace ash {
namespace system {

class ASH_EXPORT TrayAudioDelegateChromeOs : public TrayAudioDelegate {
 public:
  virtual ~TrayAudioDelegateChromeOs() {}

  // Overridden from TrayAudioDelegate.
  virtual void AdjustOutputVolumeToAudibleLevel() OVERRIDE;
  virtual int GetOutputDefaultVolumeMuteLevel() OVERRIDE;
  virtual int GetOutputVolumeLevel() OVERRIDE;
  virtual int GetActiveOutputDeviceIconId() OVERRIDE;
  virtual bool HasAlternativeSources() OVERRIDE;
  virtual bool IsOutputAudioMuted() OVERRIDE;
  virtual void SetOutputAudioIsMuted(bool is_muted) OVERRIDE;
  virtual void SetOutputVolumeLevel(int level) OVERRIDE;
};

}  // namespace system
}  // namespace ash

#endif  // ASH_SYSTEM_AUDIO_TRAY_AUDIO_DELEGATE_CHROMEOS_H_