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1 // Copyright 2017 The Chromium Authors. All rights reserved. | 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef ASH_KEYBOARD_KEYBOARD_OBSERVER_REGISTER_H_ | 5 #ifndef ASH_KEYBOARD_KEYBOARD_OBSERVER_REGISTER_H_ |
6 #define ASH_KEYBOARD_KEYBOARD_OBSERVER_REGISTER_H_ | 6 #define ASH_KEYBOARD_KEYBOARD_OBSERVER_REGISTER_H_ |
7 | 7 |
8 #include "base/scoped_observer.h" | 8 #include "base/scoped_observer.h" |
9 | 9 |
| 10 namespace aura { |
| 11 class Window; |
| 12 } |
| 13 |
10 namespace keyboard { | 14 namespace keyboard { |
11 class KeyboardController; | 15 class KeyboardController; |
12 class KeyboardControllerObserver; | 16 class KeyboardControllerObserver; |
13 } | 17 } |
14 | 18 |
15 namespace ash { | 19 namespace ash { |
16 | 20 |
17 class WmWindow; | |
18 | |
19 // Helper function to start/stop observing KeyboardController. | 21 // Helper function to start/stop observing KeyboardController. |
20 // |keyboard_root_window| is the root window where KeyboardController changes | 22 // |keyboard_root_window| is the root window where KeyboardController changes |
21 // states. |observer_root_window| is the root window relevant to the | 23 // states. |observer_root_window| is the root window relevant to the |
22 // |keyboard_observer|. If |keyboard_root_window| is different from | 24 // |keyboard_observer|. If |keyboard_root_window| is different from |
23 // |observer_root_window|, this function is a no-op. Otherwise, the observing | 25 // |observer_root_window|, this function is a no-op. Otherwise, the observing |
24 // starts if |keyboard_activated| is true and stops if |keyboard_activated| is | 26 // starts if |keyboard_activated| is true and stops if |keyboard_activated| is |
25 // false. | 27 // false. |
26 void UpdateKeyboardObserverFromStateChanged( | 28 void UpdateKeyboardObserverFromStateChanged( |
27 bool keyboard_activated, | 29 bool keyboard_activated, |
28 WmWindow* keyboard_root_window, | 30 aura::Window* keyboard_root_window, |
29 WmWindow* observer_root_window, | 31 aura::Window* observer_root_window, |
30 ScopedObserver<keyboard::KeyboardController, | 32 ScopedObserver<keyboard::KeyboardController, |
31 keyboard::KeyboardControllerObserver>* keyboard_observer); | 33 keyboard::KeyboardControllerObserver>* keyboard_observer); |
32 | 34 |
33 } // namespace ash | 35 } // namespace ash |
34 | 36 |
35 #endif // ASH_KEYBOARD_KEYBOARD_OBSERVER_REGISTER_H_ | 37 #endif // ASH_KEYBOARD_KEYBOARD_OBSERVER_REGISTER_H_ |
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