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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 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 | 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 // TODO(nona): Rename this file to ime_bridge.h | 4 // TODO(nona): Rename this file to ime_bridge.h |
| 5 | 5 |
| 6 #ifndef UI_BASE_IME_CHROMEOS_IBUS_BRIDGE_H_ | 6 #ifndef UI_BASE_IME_CHROMEOS_IBUS_BRIDGE_H_ |
| 7 #define UI_BASE_IME_CHROMEOS_IBUS_BRIDGE_H_ | 7 #define UI_BASE_IME_CHROMEOS_IBUS_BRIDGE_H_ |
| 8 | 8 |
| 9 #include <string> | 9 #include <string> |
| 10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
| 11 #include "base/callback.h" | 11 #include "base/callback.h" |
| 12 #include "ui/base/ime/text_input_mode.h" | 12 #include "ui/base/ime/text_input_mode.h" |
| 13 #include "ui/base/ime/text_input_type.h" | 13 #include "ui/base/ime/text_input_type.h" |
| 14 #include "ui/base/ui_export.h" | 14 #include "ui/base/ui_base_export.h" |
| 15 | 15 |
| 16 namespace gfx { | 16 namespace gfx { |
| 17 class Rect; | 17 class Rect; |
| 18 } // namespace gfx | 18 } // namespace gfx |
| 19 | 19 |
| 20 namespace ui { | 20 namespace ui { |
| 21 class KeyEvent; | 21 class KeyEvent; |
| 22 } // namespace ui | 22 } // namespace ui |
| 23 | 23 |
| 24 namespace chromeos { | 24 namespace chromeos { |
| 25 namespace input_method { | 25 namespace input_method { |
| 26 class CandidateWindow; | 26 class CandidateWindow; |
| 27 } // namespace input_method | 27 } // namespace input_method |
| 28 | 28 |
| 29 class IBusText; | 29 class IBusText; |
| 30 | 30 |
| 31 class UI_EXPORT IBusInputContextHandlerInterface { | 31 class UI_BASE_EXPORT IBusInputContextHandlerInterface { |
| 32 public: | 32 public: |
| 33 // Called when the engine commit a text. | 33 // Called when the engine commit a text. |
| 34 virtual void CommitText(const std::string& text) = 0; | 34 virtual void CommitText(const std::string& text) = 0; |
| 35 | 35 |
| 36 // Called when the engine update preedit stroing. | 36 // Called when the engine update preedit stroing. |
| 37 virtual void UpdatePreeditText(const IBusText& text, | 37 virtual void UpdatePreeditText(const IBusText& text, |
| 38 uint32 cursor_pos, | 38 uint32 cursor_pos, |
| 39 bool visible) = 0; | 39 bool visible) = 0; |
| 40 | 40 |
| 41 // Called when the engine request deleting surrounding string. | 41 // Called when the engine request deleting surrounding string. |
| 42 virtual void DeleteSurroundingText(int32 offset, uint32 length) = 0; | 42 virtual void DeleteSurroundingText(int32 offset, uint32 length) = 0; |
| 43 }; | 43 }; |
| 44 | 44 |
| 45 | 45 |
| 46 // A interface to handle the engine handler method call. | 46 // A interface to handle the engine handler method call. |
| 47 class UI_EXPORT IBusEngineHandlerInterface { | 47 class UI_BASE_EXPORT IBusEngineHandlerInterface { |
| 48 public: | 48 public: |
| 49 typedef base::Callback<void (bool consumed)> KeyEventDoneCallback; | 49 typedef base::Callback<void (bool consumed)> KeyEventDoneCallback; |
| 50 | 50 |
| 51 // A information about a focused text input field. | 51 // A information about a focused text input field. |
| 52 // A type of each member is based on the html spec, but InputContext can be | 52 // A type of each member is based on the html spec, but InputContext can be |
| 53 // used to specify about a non html text field like Omnibox. | 53 // used to specify about a non html text field like Omnibox. |
| 54 struct InputContext { | 54 struct InputContext { |
| 55 InputContext(ui::TextInputType type_, ui::TextInputMode mode_) : | 55 InputContext(ui::TextInputType type_, ui::TextInputMode mode_) : |
| 56 type(type_), mode(mode_) {} | 56 type(type_), mode(mode_) {} |
| 57 | 57 |
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| 99 // selection range, |anchor_pos| represents opposite index from |cursor_pos|. | 99 // selection range, |anchor_pos| represents opposite index from |cursor_pos|. |
| 100 // Otherwise |anchor_pos| is equal to |cursor_pos|. | 100 // Otherwise |anchor_pos| is equal to |cursor_pos|. |
| 101 virtual void SetSurroundingText(const std::string& text, uint32 cursor_pos, | 101 virtual void SetSurroundingText(const std::string& text, uint32 cursor_pos, |
| 102 uint32 anchor_pos) = 0; | 102 uint32 anchor_pos) = 0; |
| 103 | 103 |
| 104 protected: | 104 protected: |
| 105 IBusEngineHandlerInterface() {} | 105 IBusEngineHandlerInterface() {} |
| 106 }; | 106 }; |
| 107 | 107 |
| 108 // A interface to handle the candidate window related method call. | 108 // A interface to handle the candidate window related method call. |
| 109 class UI_EXPORT IBusPanelCandidateWindowHandlerInterface { | 109 class UI_BASE_EXPORT IBusPanelCandidateWindowHandlerInterface { |
| 110 public: | 110 public: |
| 111 virtual ~IBusPanelCandidateWindowHandlerInterface() {} | 111 virtual ~IBusPanelCandidateWindowHandlerInterface() {} |
| 112 | 112 |
| 113 // Called when the IME updates the lookup table. | 113 // Called when the IME updates the lookup table. |
| 114 virtual void UpdateLookupTable( | 114 virtual void UpdateLookupTable( |
| 115 const input_method::CandidateWindow& candidate_window, | 115 const input_method::CandidateWindow& candidate_window, |
| 116 bool visible) = 0; | 116 bool visible) = 0; |
| 117 | 117 |
| 118 // Called when the IME updates the preedit text. The |text| is given in | 118 // Called when the IME updates the preedit text. The |text| is given in |
| 119 // UTF-8 encoding. | 119 // UTF-8 encoding. |
| 120 virtual void UpdatePreeditText(const std::string& text, uint32 cursor_pos, | 120 virtual void UpdatePreeditText(const std::string& text, uint32 cursor_pos, |
| 121 bool visible) = 0; | 121 bool visible) = 0; |
| 122 | 122 |
| 123 // Called when the application changes its caret bounds. | 123 // Called when the application changes its caret bounds. |
| 124 virtual void SetCursorBounds(const gfx::Rect& cursor_bounds, | 124 virtual void SetCursorBounds(const gfx::Rect& cursor_bounds, |
| 125 const gfx::Rect& composition_head) = 0; | 125 const gfx::Rect& composition_head) = 0; |
| 126 | 126 |
| 127 // Called when the text field's focus state is changed. | 127 // Called when the text field's focus state is changed. |
| 128 // |is_focused| is true when the text field gains the focus. | 128 // |is_focused| is true when the text field gains the focus. |
| 129 virtual void FocusStateChanged(bool is_focused) {} | 129 virtual void FocusStateChanged(bool is_focused) {} |
| 130 | 130 |
| 131 protected: | 131 protected: |
| 132 IBusPanelCandidateWindowHandlerInterface() {} | 132 IBusPanelCandidateWindowHandlerInterface() {} |
| 133 }; | 133 }; |
| 134 | 134 |
| 135 | 135 |
| 136 // IBusBridge provides access of each IME related handler. This class | 136 // IBusBridge provides access of each IME related handler. This class |
| 137 // is used for IME implementation. | 137 // is used for IME implementation. |
| 138 class UI_EXPORT IBusBridge { | 138 class UI_BASE_EXPORT IBusBridge { |
| 139 public: | 139 public: |
| 140 virtual ~IBusBridge(); | 140 virtual ~IBusBridge(); |
| 141 | 141 |
| 142 // Allocates the global instance. Must be called before any calls to Get(). | 142 // Allocates the global instance. Must be called before any calls to Get(). |
| 143 static void Initialize(); | 143 static void Initialize(); |
| 144 | 144 |
| 145 // Releases the global instance. | 145 // Releases the global instance. |
| 146 static void Shutdown(); | 146 static void Shutdown(); |
| 147 | 147 |
| 148 // Returns IBusBridge global instance. Initialize() must be called first. | 148 // Returns IBusBridge global instance. Initialize() must be called first. |
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| 195 protected: | 195 protected: |
| 196 IBusBridge(); | 196 IBusBridge(); |
| 197 | 197 |
| 198 private: | 198 private: |
| 199 DISALLOW_COPY_AND_ASSIGN(IBusBridge); | 199 DISALLOW_COPY_AND_ASSIGN(IBusBridge); |
| 200 }; | 200 }; |
| 201 | 201 |
| 202 } // namespace chromeos | 202 } // namespace chromeos |
| 203 | 203 |
| 204 #endif // UI_BASE_IME_CHROMEOS_IBUS_BRIDGE_H_ | 204 #endif // UI_BASE_IME_CHROMEOS_IBUS_BRIDGE_H_ |
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