| // Copyright 2013 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 ASH_SYSTEM_BRIGHTNESS_BRIGHTNESS_CONTROLLER_CHROMEOS_H_ |
| #define ASH_SYSTEM_BRIGHTNESS_BRIGHTNESS_CONTROLLER_CHROMEOS_H_ |
| |
| #include "ash/ash_export.h" |
| #include "ash/system/brightness_control_delegate.h" |
| #include "base/compiler_specific.h" |
| #include "base/macros.h" |
| #include "base/optional.h" |
| |
| namespace ash { |
| namespace system { |
| |
| // A class which controls brightness when F6, F7 or a multimedia key for |
| // brightness is pressed. |
| class ASH_EXPORT BrightnessControllerChromeos |
| : public ash::BrightnessControlDelegate { |
| public: |
| BrightnessControllerChromeos() {} |
| ~BrightnessControllerChromeos() override {} |
| |
| // Overridden from ash::BrightnessControlDelegate: |
| void HandleBrightnessDown(const ui::Accelerator& accelerator) override; |
| void HandleBrightnessUp(const ui::Accelerator& accelerator) override; |
| void SetBrightnessPercent(double percent, bool gradual) override; |
| void GetBrightnessPercent( |
| base::OnceCallback<void(base::Optional<double>)> callback) override; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(BrightnessControllerChromeos); |
| }; |
| |
| } // namespace system |
| } // namespace ash |
| |
| #endif // ASH_SYSTEM_BRIGHTNESS_BRIGHTNESS_CONTROLLER_CHROMEOS_H_ |