ash/system/keyboard_brightness/keyboard_brightness_control_delegate.h

   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.
  21   virtual void HandleKeyboardBrightnessDown(
  22       const ui::Accelerator& accelerator) = 0;
  23   virtual void HandleKeyboardBrightnessUp(
  24       const ui::Accelerator& accelerator) = 0;
  25 };
  26
  27 }  // namespace ash
  28
  29 #endif  // ASH_SYSTEM_KEYBOARD_BRIGHTNESS_KEYBOARD_BRIGHTNESS_CONTROL_DELEGATE_H_