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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 UI_BASE_WIN_OSK_DISPLAY_MANAGER_H_ | |
6 #define UI_BASE_WIN_OSK_DISPLAY_MANAGER_H_ | |
7 | |
8 #include "base/memory/singleton.h" | |
grt (UTC plus 2)
2016/05/24 18:22:34
unused
ananta
2016/05/24 20:42:39
Done.
| |
9 #include "base/memory/weak_ptr.h" | |
10 #include "base/observer_list.h" | |
11 #include "base/strings/string16.h" | |
12 #include "ui/base/ui_base_export.h" | |
13 #include "ui/gfx/geometry/rect.h" | |
14 | |
15 namespace ui { | |
16 | |
17 class OnScreenKeyboardDetector; | |
18 class OnScreenKeyboardObserver; | |
19 | |
20 // This class provides functionality to display the on screen keyboard on | |
21 // Windows 8+. It optionally notifies observers that the OSK is displayed, | |
22 // hidden, etc. | |
23 class UI_BASE_EXPORT OnScreenKeyboardDisplayManager { | |
24 public: | |
25 static OnScreenKeyboardDisplayManager* GetInstance(); | |
26 | |
27 ~OnScreenKeyboardDisplayManager(); | |
28 | |
29 // Functions to display and dismiss the keyboard. | |
30 // The optional |observer| parameter allows callers to be notified when the | |
31 // keyboard is displayed, dismissed, etc. | |
32 bool DisplayVirtualKeyboard(OnScreenKeyboardObserver* observer); | |
33 // When the keyboard is dismissed, the registered observer if any is removed | |
34 // after notifying it. | |
35 bool DismissVirtualKeyboard(); | |
36 | |
37 // Removes a registered observer. | |
38 void RemoveObserver(OnScreenKeyboardObserver* observer); | |
39 | |
40 private: | |
41 OnScreenKeyboardDisplayManager(); | |
42 | |
43 friend struct base::DefaultSingletonTraits<OnScreenKeyboardDisplayManager>; | |
grt (UTC plus 2)
2016/05/24 18:22:34
unused
ananta
2016/05/24 20:42:39
Done.
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44 | |
45 std::unique_ptr<OnScreenKeyboardDetector> keyboard_detector_; | |
46 | |
47 // The location of TabTip.exe. | |
48 base::string16 osk_path_; | |
49 | |
50 DISALLOW_COPY_AND_ASSIGN(OnScreenKeyboardDisplayManager); | |
51 }; | |
52 | |
53 } // namespace ui | |
54 | |
55 #endif // UI_BASE_WIN_OSK_DISPLAY_MANAGER_H_ | |
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