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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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_TEXT_INPUT_CLIENT_H_ | 5 #ifndef UI_BASE_IME_TEXT_INPUT_CLIENT_H_ |
| 6 #define UI_BASE_IME_TEXT_INPUT_CLIENT_H_ | 6 #define UI_BASE_IME_TEXT_INPUT_CLIENT_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 9 #include "base/i18n/rtl.h" | 9 #include "base/i18n/rtl.h" |
| 10 #include "base/strings/string16.h" | 10 #include "base/strings/string16.h" |
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| 36 | 36 |
| 37 // Converts current composition text into final content. | 37 // Converts current composition text into final content. |
| 38 virtual void ConfirmCompositionText() = 0; | 38 virtual void ConfirmCompositionText() = 0; |
| 39 | 39 |
| 40 // Removes current composition text. | 40 // Removes current composition text. |
| 41 virtual void ClearCompositionText() = 0; | 41 virtual void ClearCompositionText() = 0; |
| 42 | 42 |
| 43 // Inserts a given text at the insertion point. Current composition text or | 43 // Inserts a given text at the insertion point. Current composition text or |
| 44 // selection will be removed. This method should never be called when the | 44 // selection will be removed. This method should never be called when the |
| 45 // current text input type is TEXT_INPUT_TYPE_NONE. | 45 // current text input type is TEXT_INPUT_TYPE_NONE. |
| 46 virtual void InsertText(const string16& text) = 0; | 46 virtual void InsertText(const base::string16& text) = 0; |
| 47 | 47 |
| 48 // Inserts a single char at the insertion point. Unlike above InsertText() | 48 // Inserts a single char at the insertion point. Unlike above InsertText() |
| 49 // method, this method has an extra |flags| parameter indicating the modifier | 49 // method, this method has an extra |flags| parameter indicating the modifier |
| 50 // key states when the character is generated. This method should only be | 50 // key states when the character is generated. This method should only be |
| 51 // called when a key press is not handled by the input method but still | 51 // called when a key press is not handled by the input method but still |
| 52 // generates a character (eg. by the keyboard driver). In another word, the | 52 // generates a character (eg. by the keyboard driver). In another word, the |
| 53 // preceding key press event should not be a VKEY_PROCESSKEY. | 53 // preceding key press event should not be a VKEY_PROCESSKEY. |
| 54 // This method will be called whenever a char is generated by the keyboard, | 54 // This method will be called whenever a char is generated by the keyboard, |
| 55 // even if the current text input type is TEXT_INPUT_TYPE_NONE. | 55 // even if the current text input type is TEXT_INPUT_TYPE_NONE. |
| 56 virtual void InsertChar(char16 ch, int flags) = 0; | 56 virtual void InsertChar(base::char16 ch, int flags) = 0; |
| 57 | 57 |
| 58 // Input context information ------------------------------------------------- | 58 // Input context information ------------------------------------------------- |
| 59 | 59 |
| 60 // Returns native window to which input context is bound. | 60 // Returns native window to which input context is bound. |
| 61 virtual gfx::NativeWindow GetAttachedWindow() const = 0; | 61 virtual gfx::NativeWindow GetAttachedWindow() const = 0; |
| 62 | 62 |
| 63 // Returns current text input type. It could be changed and even becomes | 63 // Returns current text input type. It could be changed and even becomes |
| 64 // TEXT_INPUT_TYPE_NONE at runtime. | 64 // TEXT_INPUT_TYPE_NONE at runtime. |
| 65 virtual ui::TextInputType GetTextInputType() const = 0; | 65 virtual ui::TextInputType GetTextInputType() const = 0; |
| 66 | 66 |
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| 114 // characters around current caret. This function with the range based on | 114 // characters around current caret. This function with the range based on |
| 115 // GetSelectionRange has a race condition due to asynchronous IPCs between | 115 // GetSelectionRange has a race condition due to asynchronous IPCs between |
| 116 // browser and renderer. | 116 // browser and renderer. |
| 117 // Returns false if the operation is not supported. | 117 // Returns false if the operation is not supported. |
| 118 virtual bool DeleteRange(const gfx::Range& range) = 0; | 118 virtual bool DeleteRange(const gfx::Range& range) = 0; |
| 119 | 119 |
| 120 // Retrieves the text content in a given UTF-16 based character range. | 120 // Retrieves the text content in a given UTF-16 based character range. |
| 121 // The result will be stored into |*text|. | 121 // The result will be stored into |*text|. |
| 122 // Returns false if the operation is not supported or the specified range | 122 // Returns false if the operation is not supported or the specified range |
| 123 // is out of the text range returned by GetTextRange(). | 123 // is out of the text range returned by GetTextRange(). |
| 124 virtual bool GetTextFromRange( | 124 virtual bool GetTextFromRange(const gfx::Range& range, |
| 125 const gfx::Range& range, string16* text) const = 0; | 125 base::string16* text) const = 0; |
| 126 | 126 |
| 127 // Miscellaneous ------------------------------------------------------------ | 127 // Miscellaneous ------------------------------------------------------------ |
| 128 | 128 |
| 129 // Called whenever current keyboard layout or input method is changed, | 129 // Called whenever current keyboard layout or input method is changed, |
| 130 // especially the change of input locale and text direction. | 130 // especially the change of input locale and text direction. |
| 131 virtual void OnInputMethodChanged() = 0; | 131 virtual void OnInputMethodChanged() = 0; |
| 132 | 132 |
| 133 // Called whenever the user requests to change the text direction and layout | 133 // Called whenever the user requests to change the text direction and layout |
| 134 // alignment of the current text box. It's for supporting ctrl-shift on | 134 // alignment of the current text box. It's for supporting ctrl-shift on |
| 135 // Windows. | 135 // Windows. |
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| 152 virtual void OnCandidateWindowShown() = 0; | 152 virtual void OnCandidateWindowShown() = 0; |
| 153 // Called when IME updates any appearance of the current candidate window. | 153 // Called when IME updates any appearance of the current candidate window. |
| 154 virtual void OnCandidateWindowUpdated() = 0; | 154 virtual void OnCandidateWindowUpdated() = 0; |
| 155 // Called when IME hides the candidate window. | 155 // Called when IME hides the candidate window. |
| 156 virtual void OnCandidateWindowHidden() = 0; | 156 virtual void OnCandidateWindowHidden() = 0; |
| 157 }; | 157 }; |
| 158 | 158 |
| 159 } // namespace ui | 159 } // namespace ui |
| 160 | 160 |
| 161 #endif // UI_BASE_IME_TEXT_INPUT_CLIENT_H_ | 161 #endif // UI_BASE_IME_TEXT_INPUT_CLIENT_H_ |
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