gecko/dom/system/gonk/RadioInterfaceLayer.js
2012-04-19 18:33:25 -03:00

1288 lines
42 KiB
JavaScript

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Telephony.
*
* The Initial Developer of the Original Code is
* the Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Ben Turner <bent.mozilla@gmail.com> (Original Author)
* Philipp von Weitershausen <philipp@weitershausen.de>
* Sinker Li <thinker@codemud.net>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
"use strict";
const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
var RIL = {};
Cu.import("resource://gre/modules/ril_consts.js", RIL);
const DEBUG = false; // set to true to see debug messages
const RADIOINTERFACELAYER_CID =
Components.ID("{2d831c8d-6017-435b-a80c-e5d422810cea}");
const DATACALLINFO_CID =
Components.ID("{ef474cd9-94f7-4c05-a31b-29b9de8a10d2}");
const nsIAudioManager = Ci.nsIAudioManager;
const nsIRadioInterfaceLayer = Ci.nsIRadioInterfaceLayer;
const kSmsReceivedObserverTopic = "sms-received";
const kSmsDeliveredObserverTopic = "sms-delivered";
const DOM_SMS_DELIVERY_RECEIVED = "received";
const DOM_SMS_DELIVERY_SENT = "sent";
XPCOMUtils.defineLazyServiceGetter(this, "gSmsService",
"@mozilla.org/sms/smsservice;1",
"nsISmsService");
XPCOMUtils.defineLazyServiceGetter(this, "gSmsRequestManager",
"@mozilla.org/sms/smsrequestmanager;1",
"nsISmsRequestManager");
XPCOMUtils.defineLazyServiceGetter(this, "gSmsDatabaseService",
"@mozilla.org/sms/rilsmsdatabaseservice;1",
"nsISmsDatabaseService");
XPCOMUtils.defineLazyServiceGetter(this, "ppmm",
"@mozilla.org/parentprocessmessagemanager;1",
"nsIFrameMessageManager");
function convertRILCallState(state) {
switch (state) {
case RIL.CALL_STATE_ACTIVE:
return nsIRadioInterfaceLayer.CALL_STATE_CONNECTED;
case RIL.CALL_STATE_HOLDING:
return nsIRadioInterfaceLayer.CALL_STATE_HELD;
case RIL.CALL_STATE_DIALING:
return nsIRadioInterfaceLayer.CALL_STATE_DIALING;
case RIL.CALL_STATE_ALERTING:
return nsIRadioInterfaceLayer.CALL_STATE_ALERTING;
case RIL.CALL_STATE_INCOMING:
case RIL.CALL_STATE_WAITING:
return nsIRadioInterfaceLayer.CALL_STATE_INCOMING;
default:
throw new Error("Unknown rilCallState: " + state);
}
}
/**
* Fake nsIAudioManager implementation so that we can run the telephony
* code in a non-Gonk build.
*/
let FakeAudioManager = {
microphoneMuted: false,
masterVolume: 1.0,
masterMuted: false,
phoneState: nsIAudioManager.PHONE_STATE_CURRENT,
_forceForUse: {},
setForceForUse: function setForceForUse(usage, force) {
this._forceForUse[usage] = force;
},
getForceForUse: function setForceForUse(usage) {
return this._forceForUse[usage] || nsIAudioManager.FORCE_NONE;
}
};
XPCOMUtils.defineLazyGetter(this, "gAudioManager", function getAudioManager() {
try {
return Cc["@mozilla.org/telephony/audiomanager;1"]
.getService(nsIAudioManager);
} catch (ex) {
//TODO on the phone this should not fall back as silently.
debug("Using fake audio manager.");
return FakeAudioManager;
}
});
function DataCallInfo(state, cid, apn) {
this.callState = state;
this.cid = cid;
this.apn = apn;
}
DataCallInfo.protoptype = {
classID: DATACALLINFO_CID,
classInfo: XPCOMUtils.generateCI({classID: DATACALLINFO_CID,
classDescription: "DataCallInfo",
interfaces: [Ci.nsIDataCallInfo]}),
QueryInterface: XPCOMUtils.generateQI([Ci.nsIDataCallInfo]),
};
function RadioInterfaceLayer() {
debug("Starting RIL Worker");
this.worker = new ChromeWorker("resource://gre/modules/ril_worker.js");
this.worker.onerror = this.onerror.bind(this);
this.worker.onmessage = this.onmessage.bind(this);
this.radioState = {
radioState: RIL.GECKO_RADIOSTATE_UNAVAILABLE,
cardState: RIL.GECKO_CARDSTATE_UNAVAILABLE,
msisdn: null,
// These objects implement the nsIDOMMozMobileConnectionInfo interface,
// although the actual implementation lives in the content process.
voice: {connected: false,
emergencyCallsOnly: false,
roaming: false,
operator: null,
type: null,
signalStrength: null,
relSignalStrength: null},
data: {connected: false,
emergencyCallsOnly: false,
roaming: false,
operator: null,
type: null,
signalStrength: null,
relSignalStrength: null},
};
ppmm.addMessageListener("RIL:GetRadioState", this);
Services.obs.addObserver(this, "xpcom-shutdown", false);
this._sentSmsEnvelopes = {};
}
RadioInterfaceLayer.prototype = {
classID: RADIOINTERFACELAYER_CID,
classInfo: XPCOMUtils.generateCI({classID: RADIOINTERFACELAYER_CID,
classDescription: "RadioInterfaceLayer",
interfaces: [Ci.nsIWorkerHolder,
Ci.nsIRadioInterfaceLayer]}),
QueryInterface: XPCOMUtils.generateQI([Ci.nsIWorkerHolder,
Ci.nsIRadioInterfaceLayer]),
/**
* Process a message from the content process.
*/
receiveMessage: function receiveMessage(msg) {
debug("Received '" + msg.name + "' message from content process");
switch (msg.name) {
case "RIL:GetRadioState":
// This message is sync.
return this.radioState;
}
},
onerror: function onerror(event) {
debug("Got an error: " + event.filename + ":" +
event.lineno + ": " + event.message + "\n");
event.preventDefault();
},
/**
* Process the incoming message from the RIL worker. This roughly
* works as follows:
* (1) Update local state.
* (2) Update state in related systems such as the audio.
* (3) Multiplex the message to callbacks / listeners (typically the DOM).
*/
onmessage: function onmessage(event) {
let message = event.data;
debug("Received message from worker: " + JSON.stringify(message));
switch (message.type) {
case "callStateChange":
// This one will handle its own notifications.
this.handleCallStateChange(message.call);
break;
case "callDisconnected":
// This one will handle its own notifications.
this.handleCallDisconnected(message.call);
break;
case "enumerateCalls":
// This one will handle its own notifications.
this.handleEnumerateCalls(message.calls);
break;
case "voiceregistrationstatechange":
this.updateVoiceConnection(message);
break;
case "dataregistrationstatechange":
this.updateDataConnection(message);
break;
case "signalstrengthchange":
this.handleSignalStrengthChange(message);
break;
case "operatorchange":
this.handleOperatorChange(message);
break;
case "radiostatechange":
this.radioState.radioState = message.radioState;
break;
case "cardstatechange":
this.radioState.cardState = message.cardState;
ppmm.sendAsyncMessage("RIL:CardStateChange", message);
break;
case "sms-received":
this.handleSmsReceived(message);
return;
case "sms-sent":
this.handleSmsSent(message);
return;
case "sms-delivered":
this.handleSmsDelivered(message);
return;
case "sms-send-failed":
this.handleSmsSendFailed(message);
return;
case "datacallstatechange":
this.handleDataCallState(message.datacall);
break;
case "datacalllist":
this.handleDataCallList(message);
break;
case "nitzTime":
// TODO bug 714349
// Send information to time manager to decide what to do with it
// Message contains networkTimeInSeconds, networkTimeZoneInMinutes,
// dstFlag,localTimeStampInMS
// indicating the time, daylight savings flag, and timezone
// sent from the network and a timestamp of when the message was received
// so an offset can be added if/when the time is actually set.
debug("nitzTime networkTime=" + message.networkTimeInSeconds +
" timezone=" + message.networkTimeZoneInMinutes +
" dst=" + message.dstFlag +
" timestamp=" + message.localTimeStampInMS);
break;
case "siminfo":
this.radioState.msisdn = message.msisdn;
break;
default:
throw new Error("Don't know about this message type: " + message.type);
}
},
updateVoiceConnection: function updateVoiceConnection(state) {
let voiceInfo = this.radioState.voice;
voiceInfo.type = "gsm"; //TODO see bug 726098.
if (!state || state.regState == RIL.NETWORK_CREG_STATE_UNKNOWN) {
voiceInfo.connected = false;
voiceInfo.emergencyCallsOnly = false;
voiceInfo.roaming = false;
voiceInfo.operator = null;
voiceInfo.type = null;
voiceInfo.signalStrength = null;
voiceInfo.relSignalStrength = null;
ppmm.sendAsyncMessage("RIL:VoiceThis.RadioState.VoiceChanged",
voiceInfo);
return;
}
//TODO emergency calls
voiceInfo.connected =
(state.regState == RIL.NETWORK_CREG_STATE_REGISTERED_HOME) ||
(state.regState == RIL.NETWORK_CREG_STATE_REGISTERED_ROAMING);
voiceInfo.roaming =
voiceInfo.connected &&
(state == RIL.NETWORK_CREG_STATE_REGISTERED_ROAMING);
voiceInfo.type =
RIL.GECKO_RADIO_TECH[state.radioTech] || null;
ppmm.sendAsyncMessage("RIL:VoiceInfoChanged", voiceInfo);
},
_isDataEnabled: function _isDataEnabled() {
try {
return Services.prefs.getBoolPref("ril.data.enabled");
} catch(ex) {
return false;
}
},
_isDataRoamingEnabled: function _isDataRoamingEnabled() {
try {
return Services.prefs.getBoolPref("ril.data.roaming.enabled");
} catch(ex) {
return false;
}
},
updateDataConnection: function updateDataConnection(state) {
if (!this._isDataEnabled()) {
return;
}
let isRegistered =
state.regState == RIL.NETWORK_CREG_STATE_REGISTERED_HOME ||
(this._isDataRoamingEnabled() &&
state.regState == RIL.NETWORK_CREG_STATE_REGISTERED_ROAMING);
let haveDataConnection =
state.radioTech != RIL.NETWORK_CREG_TECH_UNKNOWN;
if (isRegistered && haveDataConnection) {
debug("Radio is ready for data connection.");
// RILNetworkInterface will ignore this if it's already connected.
RILNetworkInterface.connect();
}
//TODO need to keep track of some of the state information, and then
// notify the content when state changes (connected, technology
// changes, etc.). This should be done in RILNetworkInterface.
},
handleSignalStrengthChange: function handleSignalStrengthChange(message) {
// TODO CDMA, EVDO, LTE, etc. (see bug 726098)
this.radioState.voice.signalStrength = message.gsmDBM;
this.radioState.voice.relSignalStrength = message.gsmRelative;
ppmm.sendAsyncMessage("RIL:VoiceInfoChanged", this.radioState.voice);
this.radioState.data.signalStrength = message.gsmDBM;
this.radioState.data.relSignalStrength = message.gsmRelative;
ppmm.sendAsyncMessage("RIL:DataInfoChanged", this.radioState.data);
},
handleOperatorChange: function handleOperatorChange(message) {
let operator = message.alphaLong;
if (operator != this.radioState.voice.operator) {
this.radioState.voice.operator = operator;
ppmm.sendAsyncMessage("RIL:VoiceInfoChanged", this.radioState.voice);
}
if (operator != this.radioState.data.operator) {
this.radioState.data.operator = operator;
ppmm.sendAsyncMessage("RIL:DataInfoChanged", this.radioState.data);
}
},
/**
* Track the active call and update the audio system as its state changes.
*
* XXX Needs some more work to support hold/resume.
*/
_activeCall: null,
updateCallAudioState: function updateCallAudioState() {
if (!this._activeCall) {
// Disable audio.
gAudioManager.phoneState = nsIAudioManager.PHONE_STATE_NORMAL;
debug("No active call, put audio system into PHONE_STATE_NORMAL.");
return;
}
switch (this._activeCall.state) {
case nsIRadioInterfaceLayer.CALL_STATE_INCOMING:
gAudioManager.phoneState = nsIAudioManager.PHONE_STATE_RINGTONE;
debug("Incoming call, put audio system into PHONE_STATE_RINGTONE.");
break;
case nsIRadioInterfaceLayer.CALL_STATE_DIALING: // Fall through...
case nsIRadioInterfaceLayer.CALL_STATE_CONNECTED:
gAudioManager.phoneState = nsIAudioManager.PHONE_STATE_IN_CALL;
gAudioManager.setForceForUse(nsIAudioManager.USE_COMMUNICATION,
nsIAudioManager.FORCE_NONE);
debug("Active call, put audio system into PHONE_STATE_IN_CALL.");
break;
}
},
/**
* Handle call state changes by updating our current state and the audio
* system.
*/
handleCallStateChange: function handleCallStateChange(call) {
debug("handleCallStateChange: " + JSON.stringify(call));
call.state = convertRILCallState(call.state);
if (call.state == nsIRadioInterfaceLayer.CALL_STATE_DIALING ||
call.state == nsIRadioInterfaceLayer.CALL_STATE_ALERTING ||
call.state == nsIRadioInterfaceLayer.CALL_STATE_CONNECTED) {
// This is now the active call.
this._activeCall = call;
}
this.updateCallAudioState();
this._deliverCallback("callStateChanged",
[call.callIndex, call.state, call.number]);
},
/**
* Handle call disconnects by updating our current state and the audio system.
*/
handleCallDisconnected: function handleCallDisconnected(call) {
debug("handleCallDisconnected: " + JSON.stringify(call));
if (this._activeCall && this._activeCall.callIndex == call.callIndex) {
this._activeCall = null;
}
this.updateCallAudioState();
this._deliverCallback("callStateChanged",
[call.callIndex,
nsIRadioInterfaceLayer.CALL_STATE_DISCONNECTED,
call.number]);
},
/**
* Handle calls delivered in response to a 'enumerateCalls' request.
*/
handleEnumerateCalls: function handleEnumerateCalls(calls) {
debug("handleEnumerateCalls: " + JSON.stringify(calls));
let callback = this._enumerationCallbacks.shift();
let activeCallIndex = this._activeCall ? this._activeCall.callIndex : -1;
for (let i in calls) {
let call = calls[i];
let state = convertRILCallState(call.state);
let keepGoing;
try {
keepGoing =
callback.enumerateCallState(call.callIndex, state, call.number,
call.callIndex == activeCallIndex);
} catch (e) {
debug("callback handler for 'enumerateCallState' threw an " +
" exception: " + e);
keepGoing = true;
}
if (!keepGoing) {
break;
}
}
},
handleSmsReceived: function handleSmsReceived(message) {
debug("handleSmsReceived: " + JSON.stringify(message));
let id = gSmsDatabaseService.saveReceivedMessage(message.sender || null,
message.fullBody || null,
message.timestamp);
let sms = gSmsService.createSmsMessage(id,
DOM_SMS_DELIVERY_RECEIVED,
message.sender || null,
message.receiver || null,
message.fullBody || null,
message.timestamp);
Services.obs.notifyObservers(sms, kSmsReceivedObserverTopic, null);
},
/**
* Local storage for sent SMS messages.
*/
_sentSmsEnvelopes: null,
createSmsEnvelope: function createSmsEnvelope(options) {
let i;
for (i = 1; this._sentSmsEnvelopes[i]; i++) {
// Do nothing.
}
debug("createSmsEnvelope: assigned " + i);
options.envelopeId = i;
this._sentSmsEnvelopes[i] = options;
},
handleSmsSent: function handleSmsSent(message) {
debug("handleSmsSent: " + JSON.stringify(message));
let options = this._sentSmsEnvelopes[message.envelopeId];
if (!options) {
return;
}
let timestamp = Date.now();
let id = gSmsDatabaseService.saveSentMessage(options.number,
options.fullBody,
timestamp);
let sms = gSmsService.createSmsMessage(id,
DOM_SMS_DELIVERY_SENT,
null,
options.number,
options.fullBody,
timestamp);
if (!options.requestStatusReport) {
// No more used if STATUS-REPORT not requested.
delete this._sentSmsEnvelopes[message.envelopeId];
} else {
options.sms = sms;
}
gSmsRequestManager.notifySmsSent(options.requestId, sms);
},
handleSmsDelivered: function handleSmsDelivered(message) {
debug("handleSmsDelivered: " + JSON.stringify(message));
let options = this._sentSmsEnvelopes[message.envelopeId];
if (!options) {
return;
}
delete this._sentSmsEnvelopes[message.envelopeId];
Services.obs.notifyObservers(options.sms, kSmsDeliveredObserverTopic, null);
},
handleSmsSendFailed: function handleSmsSendFailed(message) {
debug("handleSmsSendFailed: " + JSON.stringify(message));
let options = this._sentSmsEnvelopes[message.envelopeId];
if (!options) {
return;
}
delete this._sentSmsEnvelopes[message.envelopeId];
let error = gSmsRequestManager.UNKNOWN_ERROR;
switch (message.error) {
case RIL.ERROR_RADIO_NOT_AVAILABLE:
error = gSmsRequestManager.NO_SIGNAL_ERROR;
break;
}
gSmsRequestManager.notifySmsSendFailed(options.requestId, error);
},
/**
* Handle data call state changes.
*/
handleDataCallState: function handleDataCallState(datacall) {
this._deliverDataCallCallback("dataCallStateChanged",
[datacall.cid, datacall.ifname, datacall.state]);
},
/**
* Handle data call list.
*/
handleDataCallList: function handleDataCallList(message) {
let datacalls = [];
for each (let datacall in message.datacalls) {
datacalls.push(new DataCallInfo(datacall.state,
datacall.cid,
datacall.apn));
}
this._deliverDataCallCallback("receiveDataCallList",
[datacalls, datacalls.length]);
},
// nsIObserver
observe: function observe(subject, topic, data) {
if (topic == "xpcom-shutdown") {
ppmm.removeMessageListener("RIL:GetRadioState", this);
Services.obs.removeObserver(this, "xpcom-shutdown");
ppmm = null;
}
},
// nsIRadioWorker
worker: null,
// nsIRadioInterfaceLayer
radioState: null,
dial: function dial(number) {
debug("Dialing " + number);
this.worker.postMessage({type: "dial", number: number});
},
hangUp: function hangUp(callIndex) {
debug("Hanging up call no. " + callIndex);
this.worker.postMessage({type: "hangUp", callIndex: callIndex});
},
startTone: function startTone(dtmfChar) {
debug("Sending Tone for " + dtmfChar);
this.worker.postMessage({type: "startTone", dtmfChar: dtmfChar});
},
stopTone: function stopTone() {
debug("Stopping Tone");
this.worker.postMessage({type: "stopTone"});
},
answerCall: function answerCall(callIndex) {
this.worker.postMessage({type: "answerCall", callIndex: callIndex});
},
rejectCall: function rejectCall(callIndex) {
this.worker.postMessage({type: "rejectCall", callIndex: callIndex});
},
holdCall: function holdCall(callIndex) {
this.worker.postMessage({type: "holdCall", callIndex: callIndex});
},
resumeCall: function resumeCall(callIndex) {
this.worker.postMessage({type: "resumeCall", callIndex: callIndex});
},
get microphoneMuted() {
return gAudioManager.microphoneMuted;
},
set microphoneMuted(value) {
if (value == this.microphoneMuted) {
return;
}
gAudioManager.phoneState = value ?
nsIAudioManager.PHONE_STATE_IN_COMMUNICATION :
nsIAudioManager.PHONE_STATE_IN_CALL; //XXX why is this needed?
gAudioManager.microphoneMuted = value;
},
get speakerEnabled() {
return (gAudioManager.getForceForUse(nsIAudioManager.USE_COMMUNICATION) ==
nsIAudioManager.FORCE_SPEAKER);
},
set speakerEnabled(value) {
if (value == this.speakerEnabled) {
return;
}
gAudioManager.phoneState = nsIAudioManager.PHONE_STATE_IN_CALL; // XXX why is this needed?
let force = value ? nsIAudioManager.FORCE_SPEAKER :
nsIAudioManager.FORCE_NONE;
gAudioManager.setForceForUse(nsIAudioManager.USE_COMMUNICATION, force);
},
/**
* List of tuples of national language identifier pairs.
*
* TODO: Support static/runtime settings, see bug 733331.
*/
enabledGsmTableTuples: [
[RIL.PDU_NL_IDENTIFIER_DEFAULT, RIL.PDU_NL_IDENTIFIER_DEFAULT],
],
/**
* Use 16-bit reference number for concatenated outgoint messages.
*
* TODO: Support static/runtime settings, see bug 733331.
*/
segmentRef16Bit: false,
/**
* Get valid SMS concatenation reference number.
*/
_segmentRef: 0,
get nextSegmentRef() {
let ref = this._segmentRef++;
this._segmentRef %= (this.segmentRef16Bit ? 65535 : 255);
// 0 is not a valid SMS concatenation reference number.
return ref + 1;
},
/**
* Calculate encoded length using specified locking/single shift table
*
* @param message
* message string to be encoded.
* @param langTable
* locking shift table string.
* @param langShiftTable
* single shift table string.
*
* @return encoded length in septets.
*
* @note that the algorithm used in this function must match exactly with
* GsmPDUHelper#writeStringAsSeptets.
*/
_countGsm7BitSeptets: function _countGsm7BitSeptets(message, langTable, langShiftTable) {
let length = 0;
for (let msgIndex = 0; msgIndex < message.length; msgIndex++) {
let septet = langTable.indexOf(message.charAt(msgIndex));
// According to 3GPP TS 23.038, section 6.1.1 General notes, "The
// characters marked '1)' are not used but are displayed as a space."
if (septet == RIL.PDU_NL_EXTENDED_ESCAPE) {
continue;
}
if (septet >= 0) {
length++;
continue;
}
septet = langShiftTable.indexOf(message.charAt(msgIndex));
if (septet < 0) {
return -1;
}
// According to 3GPP TS 23.038 B.2, "This code represents a control
// character and therefore must not be used for language specific
// characters."
if (septet == RIL.PDU_NL_RESERVED_CONTROL) {
continue;
}
// The character is not found in locking shfit table, but could be
// encoded as <escape><char> with single shift table. Note that it's
// still possible for septet to has the value of PDU_NL_EXTENDED_ESCAPE,
// but we can display it as a space in this case as said in previous
// comment.
length += 2;
}
return length;
},
/**
* Calculate user data length of specified message string encoded in GSM 7Bit
* alphabets.
*
* @param message
* a message string to be encoded.
*
* @return null or an options object with attributes `dcs`,
* `userDataHeaderLength`, `encodedFullBodyLength`, `langIndex`,
* `langShiftIndex`, `segmentMaxSeq` set.
*
* @see #_calculateUserDataLength().
*/
_calculateUserDataLength7Bit: function _calculateUserDataLength7Bit(message) {
let options = null;
let minUserDataSeptets = Number.MAX_VALUE;
for (let i = 0; i < this.enabledGsmTableTuples.length; i++) {
let [langIndex, langShiftIndex] = this.enabledGsmTableTuples[i];
const langTable = RIL.PDU_NL_LOCKING_SHIFT_TABLES[langIndex];
const langShiftTable = RIL.PDU_NL_SINGLE_SHIFT_TABLES[langShiftIndex];
let bodySeptets = this._countGsm7BitSeptets(message,
langTable,
langShiftTable);
if (bodySeptets < 0) {
continue;
}
let headerLen = 0;
if (langIndex != RIL.PDU_NL_IDENTIFIER_DEFAULT) {
headerLen += 3; // IEI + len + langIndex
}
if (langShiftIndex != RIL.PDU_NL_IDENTIFIER_DEFAULT) {
headerLen += 3; // IEI + len + langShiftIndex
}
// Calculate full user data length, note the extra byte is for header len
let headerSeptets = Math.ceil((headerLen ? headerLen + 1 : 0) * 8 / 7);
let userDataSeptets = bodySeptets + headerSeptets;
let segments = bodySeptets ? 1 : 0;
if (userDataSeptets > RIL.PDU_MAX_USER_DATA_7BIT) {
if (this.segmentRef16Bit) {
headerLen += 6;
} else {
headerLen += 5;
}
headerSeptets = Math.ceil((headerLen + 1) * 8 / 7);
let segmentSeptets = RIL.PDU_MAX_USER_DATA_7BIT - headerSeptets;
segments = Math.ceil(bodySeptets / segmentSeptets);
userDataSeptets = bodySeptets + headerSeptets * segments;
}
if (userDataSeptets >= minUserDataSeptets) {
continue;
}
minUserDataSeptets = userDataSeptets;
options = {
dcs: RIL.PDU_DCS_MSG_CODING_7BITS_ALPHABET,
encodedFullBodyLength: bodySeptets,
userDataHeaderLength: headerLen,
langIndex: langIndex,
langShiftIndex: langShiftIndex,
segmentMaxSeq: segments,
};
}
return options;
},
/**
* Calculate user data length of specified message string encoded in UCS2.
*
* @param message
* a message string to be encoded.
*
* @return an options object with attributes `dcs`, `userDataHeaderLength`,
* `encodedFullBodyLength`, `segmentMaxSeq` set.
*
* @see #_calculateUserDataLength().
*/
_calculateUserDataLengthUCS2: function _calculateUserDataLengthUCS2(message) {
let bodyChars = message.length;
let headerLen = 0;
let headerChars = Math.ceil((headerLen ? headerLen + 1 : 0) / 2);
let segments = bodyChars ? 1 : 0;
if ((bodyChars + headerChars) > RIL.PDU_MAX_USER_DATA_UCS2) {
if (this.segmentRef16Bit) {
headerLen += 6;
} else {
headerLen += 5;
}
headerChars = Math.ceil((headerLen + 1) / 2);
let segmentChars = RIL.PDU_MAX_USER_DATA_UCS2 - headerChars;
segments = Math.ceil(bodyChars / segmentChars);
}
return {
dcs: RIL.PDU_DCS_MSG_CODING_16BITS_ALPHABET,
encodedFullBodyLength: bodyChars * 2,
userDataHeaderLength: headerLen,
segmentMaxSeq: segments,
};
},
/**
* Calculate user data length and its encoding.
*
* @param message
* a message string to be encoded.
*
* @return an options object with some or all of following attributes set:
*
* @param dcs
* Data coding scheme. One of the PDU_DCS_MSG_CODING_*BITS_ALPHABET
* constants.
* @param fullBody
* Original unfragmented text message.
* @param userDataHeaderLength
* Length of embedded user data header, in bytes. The whole header
* size will be userDataHeaderLength + 1; 0 for no header.
* @param encodedFullBodyLength
* Length of the message body when encoded with the given DCS. For
* UCS2, in bytes; for 7-bit, in septets.
* @param langIndex
* Table index used for normal 7-bit encoded character lookup.
* @param langShiftIndex
* Table index used for escaped 7-bit encoded character lookup.
* @param segmentMaxSeq
* Max sequence number of a multi-part messages, or 1 for single one.
* This number might not be accurate for a multi-part message until
* it's processed by #_fragmentText() again.
*/
_calculateUserDataLength: function _calculateUserDataLength(message) {
let options = this._calculateUserDataLength7Bit(message);
if (!options) {
options = this._calculateUserDataLengthUCS2(message);
}
if (options) {
options.fullBody = message;
}
debug("_calculateUserDataLength: " + JSON.stringify(options));
return options;
},
/**
* Fragment GSM 7-Bit encodable string for transmission.
*
* @param text
* text string to be fragmented.
* @param langTable
* locking shift table string.
* @param langShiftTable
* single shift table string.
* @param headerLen
* Length of prepended user data header.
*
* @return an array of objects. See #_fragmentText() for detailed definition.
*/
_fragmentText7Bit: function _fragmentText7Bit(text, langTable, langShiftTable, headerLen) {
const headerSeptets = Math.ceil((headerLen ? headerLen + 1 : 0) * 8 / 7);
const segmentSeptets = RIL.PDU_MAX_USER_DATA_7BIT - headerSeptets;
let ret = [];
let begin = 0, len = 0;
for (let i = 0, inc = 0; i < text.length; i++) {
let septet = langTable.indexOf(text.charAt(i));
if (septet == RIL.PDU_NL_EXTENDED_ESCAPE) {
continue;
}
if (septet >= 0) {
inc = 1;
} else {
septet = langShiftTable.indexOf(text.charAt(i));
if (septet < 0) {
throw new Error("Given text cannot be encoded with GSM 7-bit Alphabet!");
}
if (septet == RIL.PDU_NL_RESERVED_CONTROL) {
continue;
}
inc = 2;
}
if ((len + inc) > segmentSeptets) {
ret.push({
body: text.substring(begin, i),
encodedBodyLength: len,
});
begin = i;
len = 0;
}
len += inc;
}
if (len) {
ret.push({
body: text.substring(begin),
encodedBodyLength: len,
});
}
return ret;
},
/**
* Fragment UCS2 encodable string for transmission.
*
* @param text
* text string to be fragmented.
* @param headerLen
* Length of prepended user data header.
*
* @return an array of objects. See #_fragmentText() for detailed definition.
*/
_fragmentTextUCS2: function _fragmentTextUCS2(text, headerLen) {
const headerChars = Math.ceil((headerLen ? headerLen + 1 : 0) / 2);
const segmentChars = RIL.PDU_MAX_USER_DATA_UCS2 - headerChars;
let ret = [];
for (let offset = 0; offset < text.length; offset += segmentChars) {
let str = text.substr(offset, segmentChars);
ret.push({
body: str,
encodedBodyLength: str.length * 2,
});
}
return ret;
},
/**
* Fragment string for transmission.
*
* Fragment input text string into an array of objects that contains
* attributes `body`, substring for this segment, `encodedBodyLength`,
* length of the encoded segment body in septets.
*
* @param text
* Text string to be fragmented.
* @param options
* Optional pre-calculated option object. The output array will be
* stored at options.segments if there are multiple segments.
*
* @return Populated options object.
*/
_fragmentText: function _fragmentText(text, options) {
if (!options) {
options = this._calculateUserDataLength(text);
}
if (options.segmentMaxSeq <= 1) {
options.segments = null;
return options;
}
if (options.dcs == RIL.PDU_DCS_MSG_CODING_7BITS_ALPHABET) {
const langTable = RIL.PDU_NL_LOCKING_SHIFT_TABLES[options.langIndex];
const langShiftTable = RIL.PDU_NL_SINGLE_SHIFT_TABLES[options.langShiftIndex];
options.segments = this._fragmentText7Bit(options.fullBody,
langTable, langShiftTable,
options.userDataHeaderLength);
} else {
options.segments = this._fragmentTextUCS2(options.fullBody,
options.userDataHeaderLength);
}
// Re-sync options.segmentMaxSeq with actual length of returning array.
options.segmentMaxSeq = options.segments.length;
return options;
},
getNumberOfMessagesForText: function getNumberOfMessagesForText(text) {
return this._fragmentText(text).segmentMaxSeq;
},
sendSMS: function sendSMS(number, message, requestId, processId) {
let options = this._calculateUserDataLength(message);
options.type = "sendSMS";
options.number = number;
options.requestId = requestId;
options.processId = processId;
options.requestStatusReport = true;
this._fragmentText(message, options);
if (options.segmentMaxSeq > 1) {
options.segmentRef16Bit = this.segmentRef16Bit;
options.segmentRef = this.nextSegmentRef;
}
// Keep current SMS message info for sent/delivered notifications
this.createSmsEnvelope(options);
this.worker.postMessage(options);
},
_callbacks: null,
_enumerationCallbacks: null,
registerCallback: function registerCallback(callback) {
if (this._callbacks) {
if (this._callbacks.indexOf(callback) != -1) {
throw new Error("Already registered this callback!");
}
} else {
this._callbacks = [];
}
this._callbacks.push(callback);
debug("Registered callback: " + callback);
},
unregisterCallback: function unregisterCallback(callback) {
if (!this._callbacks) {
return;
}
let index = this._callbacks.indexOf(callback);
if (index != -1) {
this._callbacks.splice(index, 1);
debug("Unregistered callback: " + callback);
}
},
enumerateCalls: function enumerateCalls(callback) {
debug("Requesting enumeration of calls for callback: " + callback);
this.worker.postMessage({type: "enumerateCalls"});
if (!this._enumerationCallbacks) {
this._enumerationCallbacks = [];
}
this._enumerationCallbacks.push(callback);
},
_deliverCallback: function _deliverCallback(name, args) {
// We need to worry about callback registration state mutations during the
// callback firing. The behaviour we want is to *not* call any callbacks
// that are added during the firing and to *not* call any callbacks that are
// removed during the firing. To address this, we make a copy of the
// callback list before dispatching and then double-check that each callback
// is still registered before calling it.
if (!this._callbacks) {
return;
}
let callbacks = this._callbacks.slice();
for each (let callback in callbacks) {
if (this._callbacks.indexOf(callback) == -1) {
continue;
}
let handler = callback[name];
if (typeof handler != "function") {
throw new Error("No handler for " + name);
}
try {
handler.apply(callback, args);
} catch (e) {
debug("callback handler for " + name + " threw an exception: " + e);
}
}
},
registerDataCallCallback: function registerDataCallCallback(callback) {
if (this._datacall_callbacks) {
if (this._datacall_callbacks.indexOf(callback) != -1) {
throw new Error("Already registered this callback!");
}
} else {
this._datacall_callbacks = [];
}
this._datacall_callbacks.push(callback);
debug("Registering callback: " + callback);
},
unregisterDataCallCallback: function unregisterDataCallCallback(callback) {
if (!this._datacall_callbacks) {
return;
}
let index = this._datacall_callbacks.indexOf(callback);
if (index != -1) {
this._datacall_callbacks.splice(index, 1);
debug("Unregistering callback: " + callback);
}
},
_deliverDataCallCallback: function _deliverDataCallCallback(name, args) {
// We need to worry about callback registration state mutations during the
// callback firing. The behaviour we want is to *not* call any callbacks
// that are added during the firing and to *not* call any callbacks that are
// removed during the firing. To address this, we make a copy of the
// callback list before dispatching and then double-check that each callback
// is still registered before calling it.
if (!this._datacall_callbacks) {
return;
}
let callbacks = this._datacall_callbacks.slice();
for each (let callback in callbacks) {
if (this._datacall_callbacks.indexOf(callback) == -1) {
continue;
}
let handler = callback[name];
if (typeof handler != "function") {
throw new Error("No handler for " + name);
}
try {
handler.apply(callback, args);
} catch (e) {
debug("callback handler for " + name + " threw an exception: " + e);
}
}
},
setupDataCall: function setupDataCall(radioTech, apn, user, passwd, chappap, pdptype) {
this.worker.postMessage({type: "setupDataCall",
radioTech: radioTech,
apn: apn,
user: user,
passwd: passwd,
chappap: chappap,
pdptype: pdptype});
},
deactivateDataCall: function deactivateDataCall(cid, reason) {
this.worker.postMessage({type: "deactivateDataCall",
cid: cid,
reason: reason});
},
getDataCallList: function getDataCallList() {
this.worker.postMessage({type: "getDataCallList"});
},
};
let RILNetworkInterface = {
QueryInterface: XPCOMUtils.generateQI([Ci.nsIRILDataCallback]),
state: RIL.GECKO_NETWORK_STATE_UNKNOWN,
name: null,
worker: null,
cid: null,
registeredAsDataCallCallback: false,
connecting: false,
initWorker: function initWorker() {
debug("Starting net_worker.");
this.worker = new ChromeWorker("resource://gre/modules/net_worker.js");
this.worker.onerror = function onerror(event) {
debug("Received error from worker: " + event.filename +
":" + event.lineno + ": " + event.message + "\n");
// Prevent the event from bubbling any further.
event.preventDefault();
};
},
// nsIRILDataCallback
dataCallStateChanged: function dataCallStateChanged(cid, interfaceName, callState) {
if (this.connecting &&
(callState == RIL.GECKO_NETWORK_STATE_CONNECTING ||
callState == RIL.GECKO_NETWORK_STATE_CONNECTED)) {
this.connecting = false;
this.cid = cid;
this.name = interfaceName;
debug("Data call ID: " + cid + ", interface name: " + interfaceName);
}
if (this.cid != cid) {
return;
}
if (this.state == callState) {
return;
}
this.state = callState;
if (callState == RIL.GECKO_NETWORK_STATE_CONNECTED) {
debug("Data call is connected, going to configure networking bits.");
this.worker.postMessage({cmd: "setDefaultRouteAndDNS",
ifname: this.name});
}
},
receiveDataCallList: function receiveDataCallList(dataCalls, length) {
},
// Helpers
get mRIL() {
delete this.mRIL;
return this.mRIL = Cc["@mozilla.org/telephony/system-worker-manager;1"]
.getService(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIRadioInterfaceLayer);
},
connect: function connect() {
if (this.connecting ||
this.state == RIL.GECKO_NETWORK_STATE_CONNECTED ||
this.state == RIL.GECKO_NETWORK_STATE_SUSPENDED ||
this.state == RIL.GECKO_NETWORK_STATE_DISCONNECTING) {
return;
}
if (!this.registeredAsDataCallCallback) {
this.mRIL.registerDataCallCallback(this);
this.registeredAsDataCallCallback = true;
}
if (!this.worker) {
this.initWorker();
}
let apn, user, passwd;
// Eventually these values would be retrieved from the user's preferences
// via the settings API. For now we just use Gecko's preferences.
try {
apn = Services.prefs.getCharPref("ril.data.apn");
user = Services.prefs.getCharPref("ril.data.user");
passwd = Services.prefs.getCharPref("ril.data.passwd");
} catch (ex) {
debug("No APN settings found, not going to set up data connection.");
return;
}
debug("Going to set up data connection with APN " + apn);
this.mRIL.setupDataCall(RIL.DATACALL_RADIOTECHNOLOGY_GSM,
apn, user, passwd,
RIL.DATACALL_AUTH_PAP_OR_CHAP, "IP");
this.connecting = true;
},
disconnect: function disconnect() {
this.mRIL.deactivateDataCall(this.cid);
},
};
const NSGetFactory = XPCOMUtils.generateNSGetFactory([RadioInterfaceLayer]);
let debug;
if (DEBUG) {
debug = function (s) {
dump("-*- RadioInterfaceLayer: " + s + "\n");
};
} else {
debug = function (s) {};
}