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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 UI_BASE_IME_CHROMEOS_IME_KEYBOARD_H_ | 5 #ifndef UI_BASE_IME_CHROMEOS_IME_KEYBOARD_H_ |
6 #define UI_BASE_IME_CHROMEOS_IME_KEYBOARD_H_ | 6 #define UI_BASE_IME_CHROMEOS_IME_KEYBOARD_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
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31 // IMPORTANT: Add new key to the end, because the keys may have been stored | 31 // IMPORTANT: Add new key to the end, because the keys may have been stored |
32 // in user preferences. | 32 // in user preferences. |
33 kNumModifierKeys, | 33 kNumModifierKeys, |
34 }; | 34 }; |
35 | 35 |
36 class UI_BASE_IME_EXPORT ImeKeyboard { | 36 class UI_BASE_IME_EXPORT ImeKeyboard { |
37 public: | 37 public: |
38 class Observer { | 38 class Observer { |
39 public: | 39 public: |
40 // Called when the caps lock state has changed. | 40 // Called when the caps lock state has changed. |
41 virtual void OnCapsLockChanged(bool enabled) = 0; | 41 virtual void OnCapsLockChanged(bool enabled) = 0; |
reveman
2017/06/09 14:53:19
blank line after this
jclinton
2017/06/09 16:36:04
Done.
| |
42 virtual void OnLayoutChanged(const std::string& layout_name) = 0; | |
reveman
2017/06/09 14:53:19
Add a short comment above this. "// Called when th
jclinton
2017/06/09 16:36:03
Done.
| |
42 }; | 43 }; |
43 | 44 |
44 ImeKeyboard(); | 45 ImeKeyboard(); |
45 virtual ~ImeKeyboard(); | 46 virtual ~ImeKeyboard(); |
46 // Adds/removes observer. | 47 // Adds/removes observer. |
47 virtual void AddObserver(Observer* observer); | 48 virtual void AddObserver(Observer* observer); |
48 virtual void RemoveObserver(Observer* observer); | 49 virtual void RemoveObserver(Observer* observer); |
49 | 50 |
50 // Sets the current keyboard layout to |layout_name|. This function does not | 51 // Sets the current keyboard layout to |layout_name|. This function does not |
51 // change the current mapping of the modifier keys. Returns true on success. | 52 // change the current mapping of the modifier keys. Returns true on success. |
52 virtual bool SetCurrentKeyboardLayoutByName( | 53 virtual bool SetCurrentKeyboardLayoutByName(const std::string& layout_name); |
53 const std::string& layout_name) = 0; | |
54 | 54 |
55 // Sets the current keyboard layout again. We have to call the function every | 55 // Sets the current keyboard layout again. We have to call the function every |
56 // time when "XI_HierarchyChanged" XInput2 event is sent to Chrome. See | 56 // time when "XI_HierarchyChanged" XInput2 event is sent to Chrome. See |
57 // xinput_hierarchy_changed_event_listener.h for details. | 57 // xinput_hierarchy_changed_event_listener.h for details. |
58 virtual bool ReapplyCurrentKeyboardLayout() = 0; | 58 virtual bool ReapplyCurrentKeyboardLayout() = 0; |
59 | 59 |
60 // Updates keyboard LEDs on all keyboards. | 60 // Updates keyboard LEDs on all keyboards. |
61 // XKB asymmetrically propagates keyboard modifier indicator state changes to | 61 // XKB asymmetrically propagates keyboard modifier indicator state changes to |
62 // slave keyboards. If the state change is initiated from a client to the | 62 // slave keyboards. If the state change is initiated from a client to the |
63 // "core/master keyboard", XKB changes global state and pushes an indication | 63 // "core/master keyboard", XKB changes global state and pushes an indication |
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114 std::string last_layout_; | 114 std::string last_layout_; |
115 | 115 |
116 private: | 116 private: |
117 base::ObserverList<Observer> observers_; | 117 base::ObserverList<Observer> observers_; |
118 }; | 118 }; |
119 | 119 |
120 } // namespace input_method | 120 } // namespace input_method |
121 } // namespace chromeos | 121 } // namespace chromeos |
122 | 122 |
123 #endif // UI_BASE_IME_CHROMEOS_IME_KEYBOARD_H_ | 123 #endif // UI_BASE_IME_CHROMEOS_IME_KEYBOARD_H_ |
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