// Copyright (c) 2012 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_KEYBOARD_BRIGHTNESS_CONTROL_DELEGATE_H_ #define ASH_SYSTEM_KEYBOARD_BRIGHTNESS_CONTROL_DELEGATE_H_ namespace ui { class Accelerator; } // namespace ui namespace ash { // Delegate for controlling the keyboard brightness. class KeyboardBrightnessControlDelegate { public: virtual ~KeyboardBrightnessControlDelegate() {} // Handles an accelerator-driven request to decrease or increase // the keyboard brightness, or toggle the backlight itself on/off. virtual void HandleKeyboardBrightnessDown( const ui::Accelerator& accelerator) = 0; virtual void HandleKeyboardBrightnessUp( const ui::Accelerator& accelerator) = 0; virtual void HandleToggleKeyboardBacklight() = 0; }; } // namespace ash #endif // ASH_SYSTEM_KEYBOARD_BRIGHTNESS_CONTROL_DELEGATE_H_