ash/system/chromeos/audio/tray_audio_delegate_chromeos.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef ASH_SYSTEM_AUDIO_TRAY_AUDIO_DELEGATE_CHROMEOS_H_
   6 #define ASH_SYSTEM_AUDIO_TRAY_AUDIO_DELEGATE_CHROMEOS_H_
   7
   8 #include "ash/ash_export.h"
   9 #include "ash/system/audio/tray_audio_delegate.h"
  10 #include "base/compiler_specific.h"
  11
  12 namespace ash {
  13 namespace system {
  14
  15 class ASH_EXPORT TrayAudioDelegateChromeOs : public TrayAudioDelegate {
  16  public:
  17   virtual ~TrayAudioDelegateChromeOs() {}
  18
  19   // Overridden from TrayAudioDelegate.
  20   virtual void AdjustOutputVolumeToAudibleLevel() OVERRIDE;
  21   virtual int GetOutputDefaultVolumeMuteLevel() OVERRIDE;
  22   virtual int GetOutputVolumeLevel() OVERRIDE;
  23   virtual int GetActiveOutputDeviceIconId() OVERRIDE;
  24   virtual bool HasAlternativeSources() OVERRIDE;
  25   virtual bool IsOutputAudioMuted() OVERRIDE;
  26   virtual void SetOutputAudioIsMuted(bool is_muted) OVERRIDE;
  27   virtual void SetOutputVolumeLevel(int level) OVERRIDE;
  28 };
  29
  30 }  // namespace system
  31 }  // namespace ash
  32
  33 #endif  // ASH_SYSTEM_AUDIO_TRAY_AUDIO_DELEGATE_CHROMEOS_H_