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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef UI_VIEWS_IME_NULL_INPUT_METHOD_H_ | |
6 #define UI_VIEWS_IME_NULL_INPUT_METHOD_H_ | |
7 | |
8 #include "base/compiler_specific.h" | |
9 #include "base/macros.h" | |
10 #include "ui/views/ime/input_method.h" | |
11 | |
12 namespace views { | |
13 | |
14 // An implementation of views::InputMethod which does nothing. | |
15 // | |
16 // We're working on removing views::InputMethod{,Base,Bridge} and going to use | |
17 // only ui::InputMethod. Use this class instead of views::InputMethodBridge | |
18 // with ui::TextInputFocusManager to effectively eliminate the | |
19 // views::InputMethod layer. | |
20 class NullInputMethod : public InputMethod { | |
21 public: | |
22 NullInputMethod(); | |
23 | |
24 // Overridden from InputMethod: | |
25 void SetDelegate(internal::InputMethodDelegate* delegate) override; | |
26 void Init(Widget* widget) override; | |
27 void OnFocus() override; | |
28 void OnBlur() override; | |
29 bool OnUntranslatedIMEMessage(const base::NativeEvent& event, | |
30 NativeEventResult* result) override; | |
31 void DispatchKeyEvent(const ui::KeyEvent& key) override; | |
32 void OnTextInputTypeChanged(View* view) override; | |
33 void OnCaretBoundsChanged(View* view) override; | |
34 void CancelComposition(View* view) override; | |
35 void OnInputLocaleChanged() override; | |
36 std::string GetInputLocale() override; | |
37 bool IsActive() override; | |
38 ui::TextInputClient* GetTextInputClient() const override; | |
39 ui::TextInputType GetTextInputType() const override; | |
40 bool IsCandidatePopupOpen() const override; | |
41 void ShowImeIfNeeded() override; | |
42 | |
43 private: | |
44 DISALLOW_COPY_AND_ASSIGN(NullInputMethod); | |
45 }; | |
46 | |
47 } // namespace views | |
48 | |
49 #endif // UI_VIEWS_IME_NULL_INPUT_METHOD_H_ | |
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