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1 // Copyright 2016 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_COMMON_KEYBOARD_KEYBOARD_UI_H_ | |
6 #define ASH_COMMON_KEYBOARD_KEYBOARD_UI_H_ | |
7 | |
8 #include <memory> | |
9 | |
10 #include "ash/ash_export.h" | |
11 #include "base/macros.h" | |
12 #include "base/observer_list.h" | |
13 | |
14 namespace ash { | |
15 | |
16 class KeyboardUIObserver; | |
17 | |
18 // KeyboardUI wraps the appropriate keyboard ui depending upon whether ash is | |
19 // running in mus or non-mus. | |
20 class ASH_EXPORT KeyboardUI { | |
21 public: | |
22 virtual ~KeyboardUI(); | |
23 | |
24 static std::unique_ptr<KeyboardUI> Create(); | |
25 | |
26 virtual void Show() = 0; | |
27 virtual void ShowInDisplay(const int64_t display_id) = 0; | |
28 virtual void Hide() = 0; | |
29 | |
30 // Returns true if the keyboard is enabled. | |
31 virtual bool IsEnabled() = 0; | |
32 | |
33 void AddObserver(KeyboardUIObserver* observer); | |
34 void RemoveObserver(KeyboardUIObserver* observer); | |
35 | |
36 // Applist also queries this for bounds. If app list remains in ash then | |
37 // we need to plumb bounds through here too. | |
38 | |
39 protected: | |
40 KeyboardUI(); | |
41 | |
42 base::ObserverList<KeyboardUIObserver>* observers() { return &observers_; } | |
43 | |
44 private: | |
45 base::ObserverList<KeyboardUIObserver> observers_; | |
46 }; | |
47 | |
48 } // namespace ash | |
49 | |
50 #endif // ASH_COMMON_KEYBOARD_KEYBOARD_UI_H_ | |
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