1// Copyright 2013 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_CHROMEOS_BRIGHTNESS_BRIGHTNESS_CONTROLLER_CHROMEOS_H_
6#define ASH_SYSTEM_CHROMEOS_BRIGHTNESS_BRIGHTNESS_CONTROLLER_CHROMEOS_H_
7
8#include "ash/ash_export.h"
9#include "ash/system/brightness_control_delegate.h"
10#include "base/basictypes.h"
11#include "base/compiler_specific.h"
12
13namespace ash {
14namespace system {
15
16// A class which controls brightness when F6, F7 or a multimedia key for
17// brightness is pressed.
18class ASH_EXPORT BrightnessControllerChromeos
19    : public ash::BrightnessControlDelegate {
20 public:
21  BrightnessControllerChromeos() {}
22  virtual ~BrightnessControllerChromeos() {}
23
24  // Overridden from ash::BrightnessControlDelegate:
25  virtual bool HandleBrightnessDown(
26      const ui::Accelerator& accelerator) OVERRIDE;
27  virtual bool HandleBrightnessUp(const ui::Accelerator& accelerator) OVERRIDE;
28  virtual void SetBrightnessPercent(double percent, bool gradual) OVERRIDE;
29  virtual void GetBrightnessPercent(
30      const base::Callback<void(double)>& callback) OVERRIDE;
31
32 private:
33  DISALLOW_COPY_AND_ASSIGN(BrightnessControllerChromeos);
34};
35
36}  // namespace system
37}  // namespace ash
38
39#endif  // ASH_SYSTEM_CHROMEOS_BRIGHTNESS_BRIGHTNESS_CONTROLLER_CHROMEOS_H_
40