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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 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 void HandleVolumeMute(const ui::Accelerator& accelerator) override;
virtual void HandleVolumeDown(const ui::Accelerator& accelerator) override;
virtual void 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_
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