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: BrightnessControllerChromeos()21 BrightnessControllerChromeos() {} ~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