ash/system/chromeos/brightness/brightness_controller_chromeos.h

   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
  13 namespace ash {
  14 namespace system {
  15
  16 // A class which controls brightness when F6, F7 or a multimedia key for
  17 // brightness is pressed.
  18 class ASH_EXPORT BrightnessControllerChromeos
  19     : public ash::BrightnessControlDelegate {
  20  public:
  21   BrightnessControllerChromeos() {}
  22   ~BrightnessControllerChromeos() override {}
  23
  24   // Overridden from ash::BrightnessControlDelegate:
  25   void HandleBrightnessDown(const ui::Accelerator& accelerator) override;
  26   void HandleBrightnessUp(const ui::Accelerator& accelerator) override;
  27   void SetBrightnessPercent(double percent, bool gradual) override;
  28   void GetBrightnessPercent(
  29       const base::Callback<void(double)>& callback) override;
  30
  31  private:
  32   DISALLOW_COPY_AND_ASSIGN(BrightnessControllerChromeos);
  33 };
  34
  35 }  // namespace system
  36 }  // namespace ash
  37
  38 #endif  // ASH_SYSTEM_CHROMEOS_BRIGHTNESS_BRIGHTNESS_CONTROLLER_CHROMEOS_H_