| // 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 CHROME_BROWSER_UI_ASH_VOLUME_CONTROLLER_CHROMEOS_H_ |
| #define CHROME_BROWSER_UI_ASH_VOLUME_CONTROLLER_CHROMEOS_H_ |
| |
| #include "ash/volume_control_delegate.h" |
| #include "base/basictypes.h" |
| #include "base/compiler_specific.h" |
| #include "chromeos/audio/cras_audio_handler.h" |
| |
| // A class which controls volume when F8-10 or a multimedia key for volume is |
| // pressed. |
| class VolumeController : public ash::VolumeControlDelegate, |
| public chromeos::CrasAudioHandler::AudioObserver { |
| public: |
| VolumeController(); |
| virtual ~VolumeController(); |
| |
| // Overridden from ash::VolumeControlDelegate: |
| virtual bool HandleVolumeMute(const ui::Accelerator& accelerator) OVERRIDE; |
| virtual bool HandleVolumeDown(const ui::Accelerator& accelerator) OVERRIDE; |
| virtual bool HandleVolumeUp(const ui::Accelerator& accelerator) OVERRIDE; |
| |
| // Overridden from chromeos::CrasAudioHandler::AudioObserver. |
| virtual void OnOutputVolumeChanged() OVERRIDE; |
| virtual void OnOutputMuteChanged() OVERRIDE; |
| |
| private: |
| |
| DISALLOW_COPY_AND_ASSIGN(VolumeController); |
| }; |
| |
| #endif // CHROME_BROWSER_UI_ASH_VOLUME_CONTROLLER_CHROMEOS_H_ |