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1 // Copyright 2013 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_IME_INPUT_METHOD_LINUX_X11_H_ | |
6 #define UI_BASE_IME_INPUT_METHOD_LINUX_X11_H_ | |
7 | |
8 #include "base/memory/scoped_ptr.h" | |
9 #include "ui/base/ime/input_method_base.h" | |
10 #include "ui/base/ime/linux/linux_input_method_context.h" | |
11 | |
12 namespace ui { | |
13 | |
14 // A ui::InputMethod implementation for a X11 event loop on GNU/Linux. | |
15 // This class is not designed for supporting CrOS. The implementation details | |
16 // are separated to ui::LinuxInputMethodContext interface. | |
17 class InputMethodLinuxX11 : public InputMethodBase, | |
18 public LinuxInputMethodContextDelegate { | |
19 public: | |
20 explicit InputMethodLinuxX11(internal::InputMethodDelegate* delegate); | |
21 virtual ~InputMethodLinuxX11(); | |
22 | |
23 // Initializes input methods. This function must be called once prior to | |
24 // any use of this instance. This function is supposed to be called from | |
25 // ui::InitializeInputMethod(). | |
26 static void Initialize(); | |
27 | |
28 // Overriden from InputMethod. | |
29 virtual void Init(bool focused) OVERRIDE; | |
30 virtual bool OnUntranslatedIMEMessage(const base::NativeEvent& event, | |
31 NativeEventResult* result) OVERRIDE; | |
32 virtual bool DispatchKeyEvent(const ui::KeyEvent& event) OVERRIDE; | |
33 virtual void OnTextInputTypeChanged(const TextInputClient* client) OVERRIDE; | |
34 virtual void OnCaretBoundsChanged(const TextInputClient* client) OVERRIDE; | |
35 virtual void CancelComposition(const TextInputClient* client) OVERRIDE; | |
36 virtual void OnInputLocaleChanged() OVERRIDE; | |
37 virtual std::string GetInputLocale() OVERRIDE; | |
38 virtual base::i18n::TextDirection GetInputTextDirection() OVERRIDE; | |
39 virtual bool IsActive() OVERRIDE; | |
40 virtual bool IsCandidatePopupOpen() const OVERRIDE; | |
41 | |
42 // Overriden from ui::LinuxInputMethodContextDelegate | |
43 virtual void OnCommit(const base::string16& text) OVERRIDE; | |
44 virtual void OnPreeditChanged(const CompositionText& composition_text) | |
45 OVERRIDE; | |
46 virtual void OnPreeditEnd() OVERRIDE; | |
47 virtual void OnPreeditStart() OVERRIDE; | |
48 | |
49 protected: | |
50 // Overridden from InputMethodBase. | |
51 virtual void OnDidChangeFocusedClient(TextInputClient* focused_before, | |
52 TextInputClient* focused) OVERRIDE; | |
53 | |
54 scoped_ptr<LinuxInputMethodContext> input_method_context_; | |
55 | |
56 DISALLOW_COPY_AND_ASSIGN(InputMethodLinuxX11); | |
57 }; | |
58 | |
59 } // namespace ui | |
60 | |
61 #endif // UI_BASE_IME_INPUT_METHOD_LINUX_X11_H_ | |
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