/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this file, * You can obtain one at http://mozilla.org/MPL/2.0/. */ [JSImplementation="@mozilla.org/b2g-inputmethod;1", NavigatorProperty="mozInputMethod", Func="Navigator::HasInputMethodSupport"] interface MozInputMethod : EventTarget { // Input Method Manager contain a few global methods expose to apps readonly attribute MozInputMethodManager mgmt; // Fired when the input context changes, include changes from and to null. // The new InputContext instance will be available in the event // object under |inputcontext| property. When it changes to null it // means the app (the user of this API) no longer has the control of // the original focused input field. // Note that if the app saves the original context, it might get // void; implementation decides when to void the input context. attribute EventHandler oninputcontextchange; // An "input context" is mapped to a text field that the app is // allow to mutate. this attribute should be null when there is no // text field currently focused. readonly attribute MozInputContext? inputcontext; [ChromeOnly] // Activate or decactive current input method window. void setActive(boolean isActive); // The following are internal methods for Firefox OS system app only. // Set the value on the currently focused element. This has to be used // for special situations where the value had to be chosen amongst a // list (type=month) or a widget (type=date, time, etc.). // If the value passed in parameter isn't valid (in the term of HTML5 // Forms Validation), the value will simply be ignored by the element. [Throws] void setValue(DOMString value); // Select the that support multiple // selection, then the option specified by index will be added to // the selection. // If this method is called for a select that does not support multiple // selection the previous element will be unselected. [Throws] void setSelectedOption(long index); // Select the that does not support multiple // selection, then the last index specified in indexes will be selected. [Throws] void setSelectedOptions(sequence indexes); [Throws] void removeFocus(); }; // Manages the list of IMEs, enables/disables IME and switches to an // IME. [JSImplementation="@mozilla.org/b2g-imm;1", Pref="dom.mozInputMethod.enabled"] interface MozInputMethodManager { // Ask the OS to show a list of available IMEs for users to switch from. // OS should ignore this request if the app is currently not the active one. void showAll(); // Ask the OS to switch away from the current active Keyboard app. // OS should ignore this request if the app is currently not the active one. void next(); // To know if the OS supports IME switching or not. // Use case: let the keyboard app knows if it is necessary to show the "IME switching" // (globe) button. We have a use case that when there is only one IME enabled, we // should not show the globe icon. boolean supportsSwitching(); // Ask the OS to hide the current active Keyboard app. (was: |removeFocus()|) // OS should ignore this request if the app is currently not the active one. // The OS will void the current input context (if it exists). // This method belong to |mgmt| because we would like to allow Keyboard to access to // this method w/o a input context. void hide(); }; // The input context, which consists of attributes and information of current input field. // It also hosts the methods available to the keyboard app to mutate the input field represented. // An "input context" gets void when the app is no longer allowed to interact with the text field, // e.g., the text field does no longer exist, the app is being switched to background, and etc. [JSImplementation="@mozilla.org/b2g-inputcontext;1", Pref="dom.mozInputMethod.enabled"] interface MozInputContext: EventTarget { // The tag name of input field, which is enum of "input", "textarea", or "contenteditable" readonly attribute DOMString? type; // The type of the input field, which is enum of text, number, password, url, search, email, and so on. // See http://www.whatwg.org/specs/web-apps/current-work/multipage/states-of-the-type-attribute.html#states-of-the-type-attribute readonly attribute DOMString? inputType; /* * The inputmode string, representing the input mode. * See http://www.whatwg.org/specs/web-apps/current-work/multipage/association-of-controls-and-forms.html#input-modalities:-the-inputmode-attribute */ readonly attribute DOMString? inputMode; /* * The primary language for the input field. * It is the value of HTMLElement.lang. * See http://www.whatwg.org/specs/web-apps/current-work/multipage/elements.html#htmlelement */ readonly attribute DOMString? lang; /* * Get the whole text content of the input field. * @return DOMString */ Promise getText(optional long offset, optional long length); // The start and stop position of the selection. readonly attribute long selectionStart; readonly attribute long selectionEnd; // The text before and after the begining of the selected text. readonly attribute DOMString? textBeforeCursor; readonly attribute DOMString? textAfterCursor; /* * Set the selection range of the the editable text. * Note: This method cannot be used to move the cursor during composition. Calling this * method will cancel composition. * @param start The beginning of the selected text. * @param length The length of the selected text. * * Note that the start position should be less or equal to the end position. * To move the cursor, set the start and end position to the same value. * * @return boolean */ Promise setSelectionRange(long start, long length); /* User moves the cursor, or changes the selection with other means. If the text around * cursor has changed, but the cursor has not been moved, the IME won't get notification. * * A dict is provided in the detail property of the event containing the new values, and * an "ownAction" property to denote the event is the result of our own mutation to * the input field. */ attribute EventHandler onselectionchange; /* * Commit text to current input field and replace text around * cursor position. It will clear the current composition. * * @param text The string to be replaced with. * @param offset The offset from the cursor position where replacing starts. Defaults to 0. * @param length The length of text to replace. Defaults to 0. * @return boolean */ Promise replaceSurroundingText(DOMString text, optional long offset, optional long length); /* * * Delete text around the cursor. * @param offset The offset from the cursor position where deletion starts. * @param length The length of text to delete. * TODO: maybe updateSurroundingText(DOMString beforeText, DOMString afterText); ? * @return boolean */ Promise deleteSurroundingText(long offset, long length); /* * Notifies when the text around the cursor is changed, due to either text * editing or cursor movement. If the cursor has been moved, but the text around has not * changed, the IME won't get notification. * * A dict is provided in the detail property of the event containing the new values, and * an "ownAction" property to denote the event is the result of our own mutation to * the input field. */ attribute EventHandler onsurroundingtextchange; /* * send a character with its key events. * @param modifiers see http://mxr.mozilla.org/mozilla-central/source/dom/interfaces/base/nsIDOMWindowUtils.idl#206 * @param repeat indicates whether a key would be sent repeatedly. * @return true if succeeds. Otherwise false if the input context becomes void. * Alternative: sendKey(KeyboardEvent event), but we will likely * waste memory for creating the KeyboardEvent object. * Note that, if you want to send a key n times repeatedly, make sure set * parameter repeat to true and invoke sendKey n-1 times, and then set * repeat to false in the last invoke. */ Promise sendKey(long keyCode, long charCode, long modifiers, optional boolean repeat); /* * Set current composing text. This method will start composition or update * composition if it has started. The composition will be started right * before the cursor position and any selected text will be replaced by the * composing text. When the composition is started, calling this method can * update the text and move cursor winthin the range of the composing text. * @param text The new composition text to show. * @param cursor The new cursor position relative to the start of the * composition text. The cursor should be positioned within the composition * text. This means the value should be >= 0 and <= the length of * composition text. Defaults to the lenght of composition text, i.e., the * cursor will be positioned after the composition text. * @param clauses The array of composition clause information. If not set, * only one clause is supported. * * The composing text, which is shown with underlined style to distinguish * from the existing text, is used to compose non-ASCII characters from * keystrokes, e.g. Pinyin or Hiragana. The composing text is the * intermediate text to help input complex character and is not committed to * current input field. Therefore if any text operation other than * composition is performed, the composition will automatically end. Same * apply when the inputContext is lost during an unfinished composition * session. * * To finish composition and commit text to current input field, an IME * should call |endComposition|. */ // XXXbz what is this promise resolved with? Promise setComposition(DOMString text, optional long cursor, optional sequence clauses); /* * End composition, clear the composing text and commit given text to * current input field. The text will be committed before the cursor * position. * @param text The text to commited before cursor position. If empty string * is given, no text will be committed. * * Note that composition always ends automatically with nothing to commit if * the composition does not explicitly end by calling |endComposition|, but * is interrupted by |sendKey|, |setSelectionRange|, * |replaceSurroundingText|, |deleteSurroundingText|, user moving the * cursor, changing the focus, etc. */ // XXXbz what is this promise resolved with? Promise endComposition(optional DOMString text); }; enum CompositionClauseSelectionType { "raw-input", "selected-raw-text", "converted-text", "selected-converted-text" }; dictionary CompositionClauseParameters { DOMString selectionType = "raw-input"; long length; };