зеркало из https://github.com/mozilla/pjs.git
298 строки
10 KiB
JavaScript
298 строки
10 KiB
JavaScript
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Telephony.
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*
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* The Initial Developer of the Original Code is
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* The Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Ben Turner <bent.mozilla@gmail.com> (Original Author)
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* Philipp von Weitershausen <philipp@weitershausen.de>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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const DEBUG = true; // set to false to suppress debug messages
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const TELEPHONYWORKER_CONTRACTID = "@mozilla.org/telephony/worker;1";
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const TELEPHONYWORKER_CID = Components.ID("{2d831c8d-6017-435b-a80c-e5d422810cea}");
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const DOM_CALL_READYSTATE_DIALING = "dialing";
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const DOM_CALL_READYSTATE_RINGING = "ringing";
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const DOM_CALL_READYSTATE_BUSY = "busy";
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const DOM_CALL_READYSTATE_CONNECTING = "connecting";
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const DOM_CALL_READYSTATE_CONNECTED = "connected";
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const DOM_CALL_READYSTATE_DISCONNECTING = "disconnecting";
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const DOM_CALL_READYSTATE_DISCONNECTED = "disconnected";
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const DOM_CALL_READYSTATE_INCOMING = "incoming";
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const DOM_CALL_READYSTATE_HOLDING = "holding";
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const DOM_CALL_READYSTATE_HELD = "held";
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/**
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* Fake nsIAudioManager implementation so that we can run the telephony
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* code in a non-Gonk build.
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*/
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let FakeAudioManager = {
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microphoneMuted: false,
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masterVolume: 1.0,
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masterMuted: false,
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phoneState: Ci.nsIAudioManager.PHONE_STATE_CURRENT,
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_forceForUse: {},
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setForceForUse: function setForceForUse(usage, force) {
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this._forceForUse[usage] = force;
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},
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getForceForUse: function setForceForUse(usage) {
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return this._forceForUse[usage] || Ci.nsIAudioManager.FORCE_NONE;
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}
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};
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XPCOMUtils.defineLazyGetter(this, "gAudioManager", function getAudioManager() {
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try {
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return Cc["@mozilla.org/telephony/audiomanager;1"]
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.getService(Ci.nsIAudioManager);
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} catch (ex) {
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//TODO on the phone this should not fall back as silently.
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debug("Using fake audio manager.");
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return FakeAudioManager;
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}
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});
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function nsTelephonyWorker() {
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this.worker = new ChromeWorker("resource://gre/modules/ril_worker.js");
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this.worker.onerror = this.onerror.bind(this);
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this.worker.onmessage = this.onmessage.bind(this);
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this._callbacks = [];
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this.currentState = {
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signalStrength: null,
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operator: null,
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radioState: null,
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cardState: null,
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currentCalls: {}
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};
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}
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nsTelephonyWorker.prototype = {
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classID: TELEPHONYWORKER_CID,
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classInfo: XPCOMUtils.generateCI({classID: TELEPHONYWORKER_CID,
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contractID: TELEPHONYWORKER_CONTRACTID,
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classDescription: "TelephonyWorker",
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interfaces: [Ci.nsIRadioWorker,
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Ci.nsITelephone]}),
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIRadioWorker,
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Ci.nsITelephone]),
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onerror: function onerror(event) {
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// It is very important to call preventDefault on the event here.
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// If an exception is thrown on the worker, it bubbles out to the
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// component that created it. If that component doesn't have an
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// onerror handler, the worker will try to call the error reporter
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// on the context it was created on. However, That doesn't work
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// for component contexts and can result in crashes. This onerror
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// handler has to make sure that it calls preventDefault on the
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// incoming event.
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event.preventDefault();
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debug("Got an error: " + event.filename + ":" +
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event.lineno + ": " + event.message + "\n");
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},
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/**
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* Process the incoming message from the RIL worker:
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* (1) Update the current state. This way any component that hasn't
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* been listening for callbacks can easily catch up by looking at
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* this.currentState.
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* (2) Update state in related systems such as the audio.
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* (3) Multiplex the message to telephone callbacks.
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*/
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onmessage: function onmessage(event) {
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let message = event.data;
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debug("Received message: " + JSON.stringify(message));
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let value;
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switch (message.type) {
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case "signalstrengthchange":
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this.currentState.signalStrength = message.signalStrength;
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break;
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case "operatorchange":
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this.currentState.operator = message.operator;
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break;
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case "radiostatechange":
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this.currentState.radioState = message.radioState;
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break;
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case "cardstatechange":
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this.currentState.cardState = message.cardState;
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break;
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case "callstatechange":
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this.handleCallState(message);
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break;
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default:
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// Got some message from the RIL worker that we don't know about.
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return;
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}
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let methodname = "on" + message.type;
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this._callbacks.forEach(function (callback) {
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let method = callback[methodname];
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if (typeof method != "function") {
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return;
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}
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method.call(callback, message);
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});
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},
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/**
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* Handle call state changes by updating our current state and
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* the audio system.
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*/
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handleCallState: function handleCallState(message) {
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let currentCalls = this.currentState.currentCalls;
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let oldState = currentCalls[message.callIndex];
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// Update current state.
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if (message.callState == DOM_CALL_READYSTATE_DISCONNECTED) {
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delete currentCalls[message.callIndex];
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} else {
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currentCalls[message.callIndex] = message;
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}
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// Update the audio system.
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//TODO this does not handle multiple concurrent calls yet.
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switch (message.callState) {
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case DOM_CALL_READYSTATE_DIALING:
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this.worker.postMessage({type: "setMute", mute: false});
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gAudioManager.phoneState = Ci.nsIAudioManager.PHONE_STATE_IN_CALL;
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gAudioManager.setForceForUse(Ci.nsIAudioManager.USE_COMMUNICATION,
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Ci.nsIAudioManager.FORCE_NONE);
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break;
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case DOM_CALL_READYSTATE_INCOMING:
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gAudioManager.phoneState = Ci.nsIAudioManager.PHONE_STATE_RINGTONE;
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break;
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case DOM_CALL_READYSTATE_CONNECTED:
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if (!oldState ||
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oldState.callState == DOM_CALL_READYSTATE_INCOMING ||
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oldState.callState == DOM_CALL_READYSTATE_CONNECTING) {
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// It's an incoming call, so tweak the audio now. If it was an
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// outgoing call, it would have been tweaked at dialing.
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this.worker.postMessage({type: "setMute", mute: false});
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gAudioManager.phoneState = Ci.nsIAudioManager.PHONE_STATE_IN_CALL;
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gAudioManager.setForceForUse(Ci.nsIAudioManager.USE_COMMUNICATION,
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Ci.nsIAudioManager.FORCE_NONE);
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}
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break;
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case DOM_CALL_READYSTATE_DISCONNECTED:
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this.worker.postMessage({type: "setMute", mute: true});
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gAudioManager.phoneState = Ci.nsIAudioManager.PHONE_STATE_NORMAL;
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break;
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}
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},
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// nsIRadioWorker
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worker: null,
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// nsITelephone
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currentState: null,
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dial: function dial(number) {
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debug("Dialing " + number);
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this.worker.postMessage({type: "dial", number: number});
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},
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hangUp: function hangUp(callIndex) {
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debug("Hanging up call no. " + callIndex);
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this.worker.postMessage({type: "hangUp", callIndex: callIndex});
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},
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answerCall: function answerCall() {
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this.worker.postMessage({type: "answerCall"});
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},
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rejectCall: function rejectCall() {
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this.worker.postMessage({type: "rejectCall"});
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},
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get microphoneMuted() {
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return gAudioManager.microphoneMuted;
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},
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set microphoneMuted(value) {
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if (value == this.microphoneMuted) {
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return;
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}
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gAudioManager.phoneState = value ?
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Ci.nsIAudioManager.PHONE_STATE_IN_COMMUNICATION :
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Ci.nsIAudioManager.PHONE_STATE_IN_CALL; //XXX why is this needed?
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gAudioManager.microphoneMuted = value;
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},
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get speakerEnabled() {
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return (gAudioManager.getForceForUse(Ci.nsIAudioManager.USE_COMMUNICATION)
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== Ci.nsIAudioManager.FORCE_SPEAKER);
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},
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set speakerEnabled(value) {
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if (value == this.speakerEnabled) {
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return;
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}
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gAudioManager.phoneState = Ci.nsIAudioManager.PHONE_STATE_IN_CALL; // XXX why is this needed?
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let force = value ? Ci.nsIAudioManager.FORCE_SPEAKER :
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Ci.nsIAudioManager.FORCE_NONE;
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gAudioManager.setForceUse(Ci.nsIAudioManager.USE_COMMUNICATION, force);
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},
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_callbacks: null,
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registerCallback: function registerCallback(callback) {
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this._callbacks.push(callback);
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},
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unregisterCallback: function unregisterCallback(callback) {
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let index = this._callbacks.indexOf(callback);
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if (index == -1) {
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throw "Callback not registered!";
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}
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this._callbacks.splice(index, 1);
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},
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};
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const NSGetFactory = XPCOMUtils.generateNSGetFactory([nsTelephonyWorker]);
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let debug;
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if (DEBUG) {
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debug = function (s) {
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dump("-*- TelephonyWorker component: " + s + "\n");
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};
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} else {
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debug = function (s) {};
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}
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