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127 lines
3.8 KiB
JavaScript
127 lines
3.8 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const Ci = Components.interfaces;
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const Cu = Components.utils;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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Cu.import("resource://gre/modules/ObjectWrapper.jsm");
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XPCOMUtils.defineLazyServiceGetter(this, "cpmm",
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"@mozilla.org/childprocessmessagemanager;1", "nsIMessageSender");
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// -----------------------------------------------------------------------
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// MozKeyboard
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// -----------------------------------------------------------------------
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function MozKeyboard() { }
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MozKeyboard.prototype = {
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classID: Components.ID("{397a7fdf-2254-47be-b74e-76625a1a66d5}"),
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QueryInterface: XPCOMUtils.generateQI([
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Ci.nsIB2GKeyboard, Ci.nsIDOMGlobalPropertyInitializer, Ci.nsIObserver
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]),
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classInfo: XPCOMUtils.generateCI({
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"classID": Components.ID("{397a7fdf-2254-47be-b74e-76625a1a66d5}"),
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"contractID": "@mozilla.org/b2g-keyboard;1",
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"interfaces": [Ci.nsIB2GKeyboard],
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"flags": Ci.nsIClassInfo.DOM_OBJECT,
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"classDescription": "B2G Virtual Keyboard"
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}),
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init: function mozKeyboardInit(win) {
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let principal = win.document.nodePrincipal;
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let perm = Services.perms
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.testExactPermissionFromPrincipal(principal, "keyboard");
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if (perm != Ci.nsIPermissionManager.ALLOW_ACTION) {
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dump("No permission to use the keyboard API for " +
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principal.origin + "\n");
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return null;
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}
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Services.obs.addObserver(this, "inner-window-destroyed", false);
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cpmm.addMessageListener('Keyboard:FocusChange', this);
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this._window = win;
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this._utils = win.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIDOMWindowUtils);
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this.innerWindowID = this._utils.currentInnerWindowID;
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this._focusHandler = null;
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},
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uninit: function mozKeyboardUninit() {
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Services.obs.removeObserver(this, "inner-window-destroyed");
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cpmm.removeMessageListener('Keyboard:FocusChange', this);
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this._window = null;
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this._utils = null;
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this._focusHandler = null;
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},
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sendKey: function mozKeyboardSendKey(keyCode, charCode) {
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charCode = (charCode == undefined) ? keyCode : charCode;
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["keydown", "keypress", "keyup"].forEach((function sendKey(type) {
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this._utils.sendKeyEvent(type, keyCode, charCode, null);
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}).bind(this));
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},
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setSelectedOption: function mozKeyboardSetSelectedOption(index) {
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cpmm.sendAsyncMessage('Keyboard:SetSelectedOption', {
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'index': index
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});
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},
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setValue: function mozKeyboardSetValue(value) {
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cpmm.sendAsyncMessage('Keyboard:SetValue', {
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'value': value
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});
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},
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setSelectedOptions: function mozKeyboardSetSelectedOptions(indexes) {
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cpmm.sendAsyncMessage('Keyboard:SetSelectedOptions', {
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'indexes': indexes
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});
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},
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removeFocus: function mozKeyboardRemoveFocus() {
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cpmm.sendAsyncMessage('Keyboard:RemoveFocus', {});
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},
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set onfocuschange(val) {
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this._focusHandler = val;
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},
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get onfocuschange() {
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return this._focusHandler;
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},
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receiveMessage: function mozKeyboardReceiveMessage(msg) {
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let handler = this._focusHandler;
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if (!handler || !(handler instanceof Ci.nsIDOMEventListener))
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return;
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let detail = {
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"detail": msg.json
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};
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let evt = new this._window.CustomEvent("focuschanged",
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ObjectWrapper.wrap(detail, this._window));
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handler.handleEvent(evt);
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},
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observe: function mozKeyboardObserve(subject, topic, data) {
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let wId = subject.QueryInterface(Ci.nsISupportsPRUint64).data;
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if (wId == this.innerWindowID)
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this.uninit();
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}
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};
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this.NSGetFactory = XPCOMUtils.generateNSGetFactory([MozKeyboard]);
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