1 // Copyright (c) 2012 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_KEYBOARD_BRIGHTNESS_KEYBOARD_BRIGHTNESS_CONTROL_DELEGATE_H_ 6 #define ASH_SYSTEM_KEYBOARD_BRIGHTNESS_KEYBOARD_BRIGHTNESS_CONTROL_DELEGATE_H_ 7 8 namespace ui { 9 class Accelerator; 10 } // namespace ui 11 12 namespace ash { 13 14 // Delegate for controlling the keyboard brightness. 15 class KeyboardBrightnessControlDelegate { 16 public: 17 virtual ~KeyboardBrightnessControlDelegate() {} 18 19 // Handles an accelerator-driven request to decrease or increase the keyboard 20 // brightness. Returns true if the brightness is changed. 21 virtual bool HandleKeyboardBrightnessDown( 22 const ui::Accelerator& accelerator) = 0; 23 virtual bool HandleKeyboardBrightnessUp( 24 const ui::Accelerator& accelerator) = 0; 25 }; 26 27 } // namespace ash 28 29 #endif // ASH_SYSTEM_KEYBOARD_BRIGHTNESS_KEYBOARD_BRIGHTNESS_CONTROL_DELEGATE_H_ 30
