1 // Copyright (c) 2012 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.
5 #ifndef ASH_VOLUME_CONTROL_DELEGATE_H_
6 #define ASH_VOLUME_CONTROL_DELEGATE_H_
15 // Delegate for controlling the volume.
16 class VolumeControlDelegate
{
18 virtual ~VolumeControlDelegate() {}
20 virtual bool HandleVolumeMute(const ui::Accelerator
& accelerator
) = 0;
21 virtual bool HandleVolumeDown(const ui::Accelerator
& accelerator
) = 0;
22 virtual bool HandleVolumeUp(const ui::Accelerator
& accelerator
) = 0;
27 #endif // ASH_VOLUME_CONTROL_DELEGATE_H_