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   ~TrayAudioDelegateChromeOs() override {}
  18
  19   // Overridden from TrayAudioDelegate.
  20   void AdjustOutputVolumeToAudibleLevel() override;
  21   int GetOutputDefaultVolumeMuteLevel() override;
  22   int GetOutputVolumeLevel() override;
  23   int GetActiveOutputDeviceIconId() override;
  24   bool HasAlternativeSources() override;
  25   bool IsOutputAudioMuted() override;
  26   void SetOutputAudioIsMuted(bool is_muted) override;
  27   void SetOutputVolumeLevel(int level) override;
  28   void SetInternalSpeakerChannelMode(AudioChannelMode mode) override;
  29 };
  30
  31 }  // namespace system
  32 }  // namespace ash
  33
  34 #endif  // ASH_SYSTEM_AUDIO_TRAY_AUDIO_DELEGATE_CHROMEOS_H_