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 3 * found in the LICENSE file. 4 */ 5 6 /** 7 * This file defines the <code>PPB_TextInput_Dev</code> interface. 8 */ 9 10 label Chrome { 11 M16 = 0.1, 12 M19 = 0.2 13 }; 14 15 /** 16 * PP_TextInput_Type is used to indicate the status of a plugin in regard to 17 * text input. 18 */ 19 [assert_size(4)] 20 enum PP_TextInput_Type_Dev { 21 /** 22 * Input caret is not in an editable mode, no input method shall be used. 23 */ 24 PP_TEXTINPUT_TYPE_DEV_NONE = 0, 25 /** 26 * Input caret is in a normal editable mode, any input method can be used. 27 */ 28 PP_TEXTINPUT_TYPE_DEV_TEXT = 1, 29 /** 30 * Input caret is in a password box, an input method may be used only if 31 * it's suitable for password input. 32 */ 33 PP_TEXTINPUT_TYPE_DEV_PASSWORD = 2, 34 PP_TEXTINPUT_TYPE_DEV_SEARCH = 3, 35 PP_TEXTINPUT_TYPE_DEV_EMAIL = 4, 36 PP_TEXTINPUT_TYPE_DEV_NUMBER = 5, 37 PP_TEXTINPUT_TYPE_DEV_TELEPHONE = 6, 38 PP_TEXTINPUT_TYPE_DEV_URL = 7 39 }; 40 41 /** 42 * <code>PPB_TextInput_Dev</code> provides a set of functions for giving hints 43 * to the browser about the text input status of plugins, and functions for 44 * controlling input method editors (IMEs). 45 */ 46 interface PPB_TextInput_Dev { 47 /** 48 * Informs the browser about the current text input mode of the plugin. 49 * Typical use of this information in the browser is to properly 50 * display/suppress tools for supporting text inputs (such as virtual 51 * keyboards in touch screen based devices, or input method editors often 52 * used for composing East Asian characters). 53 */ 54 void SetTextInputType([in] PP_Instance instance, 55 [in] PP_TextInput_Type_Dev type); 56 57 /** 58 * Informs the browser about the coordinates of the text input caret and the 59 * bounding box of the text input area. Typical use of this information in 60 * the browser is to layout IME windows etc. 61 */ 62 void UpdateCaretPosition([in] PP_Instance instance, 63 [in] PP_Rect caret, 64 [in] PP_Rect bounding_box); 65 66 /** 67 * Cancels the current composition in IME. 68 */ 69 void CancelCompositionText([in] PP_Instance instance); 70 71 /** 72 * In response to the <code>PPP_TextInput_Dev::RequestSurroundingText</code> 73 * call, informs the browser about the current text selection and surrounding 74 * text. <code>text</code> is a UTF-8 string that contains the current range 75 * of text selection in the plugin. <code>caret</code> is the byte-index of 76 * the caret position within <code>text</code>. <code>anchor</code> is the 77 * byte-index of the anchor position (i.e., if a range of text is selected, 78 * it is the other edge of selection different from <code>caret</code>. If 79 * there are no selection, <code>anchor</code> is equal to <code>caret</code>. 80 * 81 * Typical use of this information in the browser is to enable "reconversion" 82 * features of IME that puts back the already committed text into the 83 * pre-commit composition state. Another use is to improve the precision 84 * of suggestion of IME by taking the context into account (e.g., if the caret 85 * looks to be on the beginning of a sentence, suggest capital letters in a 86 * virtual keyboard). 87 * 88 * When the focus is not on text, call this function setting <code>text</code> 89 * to an empty string and <code>caret</code> and <code>anchor</code> to zero. 90 * Also, the plugin should send the empty text when it does not want to reveal 91 * the selection to IME (e.g., when the surrounding text is containing 92 * password text). 93 */ 94 [version=0.2] 95 void UpdateSurroundingText([in] PP_Instance instance, 96 [in] str_t text, 97 [in] uint32_t caret, 98 [in] uint32_t anchor); 99 100 /** 101 * Informs the browser when a range of text selection is changed in a plugin. 102 * When the browser needs to know the content of the updated selection, it 103 * pings back by <code>PPP_TextInput_Dev::RequestSurroundingText</code>. The 104 * plugin then should send the information with 105 * <code>UpdateSurroundingText</code>. 106 */ 107 [version=0.2] 108 void SelectionChanged([in] PP_Instance instance); 109 }; 110
