mirror of https://github.com/dani/vroom.git
Video conf based on SimpleWebRTC https://vroom.fws.fr/documentation
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8629 lines
246 KiB
8629 lines
246 KiB
(function(e){if("function"==typeof bootstrap)bootstrap("simplewebrtc",e);else if("object"==typeof exports)module.exports=e();else if("function"==typeof define&&define.amd)define(e);else if("undefined"!=typeof ses){if(!ses.ok())return;ses.makeSimpleWebRTC=e}else"undefined"!=typeof window?window.SimpleWebRTC=e():global.SimpleWebRTC=e()})(function(){var define,ses,bootstrap,module,exports;
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return (function(e,t,n){function i(n,s){if(!t[n]){if(!e[n]){var o=typeof require=="function"&&require;if(!s&&o)return o(n,!0);if(r)return r(n,!0);throw new Error("Cannot find module '"+n+"'")}var u=t[n]={exports:{}};e[n][0].call(u.exports,function(t){var r=e[n][1][t];return i(r?r:t)},u,u.exports)}return t[n].exports}var r=typeof require=="function"&&require;for(var s=0;s<n.length;s++)i(n[s]);return i})({1:[function(require,module,exports){
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var WebRTC = require('webrtc');
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var WildEmitter = require('wildemitter');
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var webrtcSupport = require('webrtcsupport');
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var attachMediaStream = require('attachmediastream');
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var getScreenMedia = require('getscreenmedia');
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var mockconsole = require('mockconsole');
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var io = require('socket.io-client');
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function SimpleWebRTC(opts) {
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var self = this;
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var options = opts || {};
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var config = this.config = {
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url: 'http://signaling.simplewebrtc.com:8888',
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debug: false,
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localVideoEl: '',
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remoteVideosEl: '',
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enableDataChannels: true,
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autoRequestMedia: false,
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autoRemoveVideos: true,
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adjustPeerVolume: true,
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peerVolumeWhenSpeaking: 0.25,
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media: {
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video: true,
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audio: true
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}
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};
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var item, connection;
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// We also allow a 'logger' option. It can be any object that implements
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// log, warn, and error methods.
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// We log nothing by default, following "the rule of silence":
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// http://www.linfo.org/rule_of_silence.html
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this.logger = function () {
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// we assume that if you're in debug mode and you didn't
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// pass in a logger, you actually want to log as much as
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// possible.
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if (opts.debug) {
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return opts.logger || console;
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} else {
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// or we'll use your logger which should have its own logic
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// for output. Or we'll return the no-op.
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return opts.logger || mockconsole;
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}
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}();
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// set our config from options
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for (item in options) {
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this.config[item] = options[item];
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}
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// attach detected support for convenience
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this.capabilities = webrtcSupport;
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// call WildEmitter constructor
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WildEmitter.call(this);
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// our socket.io connection
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connection = this.connection = io.connect(this.config.url);
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connection.on('connect', function () {
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self.emit('connectionReady', connection.socket.sessionid);
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self.sessionReady = true;
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self.testReadiness();
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});
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connection.on('message', function (message) {
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var peers = self.webrtc.getPeers(message.from, message.roomType);
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var peer;
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if (message.type === 'offer') {
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if (peers.length) {
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peer = peers[0];
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} else {
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peer = self.webrtc.createPeer({
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id: message.from,
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type: message.roomType,
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enableDataChannels: self.config.enableDataChannels && message.roomType !== 'screen',
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sharemyscreen: message.roomType === 'screen' && !message.broadcaster
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});
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}
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peer.handleMessage(message);
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} else if (peers.length) {
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peers.forEach(function (peer) {
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peer.handleMessage(message);
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});
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}
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});
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connection.on('remove', function (room) {
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if (room.id !== self.connection.socket.sessionid) {
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self.webrtc.removePeers(room.id, room.type);
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}
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});
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// instantiate our main WebRTC helper
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// using same logger from logic here
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opts.logger = this.logger;
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opts.debug = false;
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this.webrtc = new WebRTC(opts);
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// attach a few methods from underlying lib to simple.
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['mute', 'unmute', 'pauseVideo', 'resumeVideo', 'pause', 'resume', 'sendToAll', 'sendDirectlyToAll'].forEach(function (method) {
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self[method] = self.webrtc[method].bind(self.webrtc);
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});
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// proxy events from WebRTC
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this.webrtc.on('*', function () {
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self.emit.apply(self, arguments);
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});
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// log all events in debug mode
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if (config.debug) {
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this.on('*', this.logger.log.bind(this.logger, 'SimpleWebRTC event:'));
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}
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// check for readiness
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this.webrtc.on('localStream', function () {
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self.testReadiness();
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});
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this.webrtc.on('message', function (payload) {
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self.connection.emit('message', payload);
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});
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this.webrtc.on('peerStreamAdded', this.handlePeerStreamAdded.bind(this));
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this.webrtc.on('peerStreamRemoved', this.handlePeerStreamRemoved.bind(this));
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// echo cancellation attempts
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if (this.config.adjustPeerVolume) {
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this.webrtc.on('speaking', this.setVolumeForAll.bind(this, this.config.peerVolumeWhenSpeaking));
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this.webrtc.on('stoppedSpeaking', this.setVolumeForAll.bind(this, 1));
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}
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connection.on('stunservers', function (args) {
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// resets/overrides the config
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self.webrtc.config.peerConnectionConfig.iceServers = args;
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self.emit('stunservers', args);
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});
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connection.on('turnservers', function (args) {
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// appends to the config
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self.webrtc.config.peerConnectionConfig.iceServers = self.webrtc.config.peerConnectionConfig.iceServers.concat(args);
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self.emit('turnservers', args);
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});
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// sending mute/unmute to all peers
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this.webrtc.on('audioOn', function () {
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self.webrtc.sendToAll('unmute', {name: 'audio'});
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});
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this.webrtc.on('audioOff', function () {
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self.webrtc.sendToAll('mute', {name: 'audio'});
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});
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this.webrtc.on('videoOn', function () {
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self.webrtc.sendToAll('unmute', {name: 'video'});
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});
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this.webrtc.on('videoOff', function () {
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self.webrtc.sendToAll('mute', {name: 'video'});
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});
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if (this.config.autoRequestMedia) this.startLocalVideo();
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}
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SimpleWebRTC.prototype = Object.create(WildEmitter.prototype, {
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constructor: {
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value: SimpleWebRTC
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}
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});
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SimpleWebRTC.prototype.leaveRoom = function () {
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if (this.roomName) {
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this.connection.emit('leave', this.roomName);
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this.webrtc.peers.forEach(function (peer) {
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peer.end();
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});
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if (this.getLocalScreen()) {
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this.stopScreenShare();
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}
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this.emit('leftRoom', this.roomName);
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}
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};
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SimpleWebRTC.prototype.handlePeerStreamAdded = function (peer) {
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var self = this;
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var container = this.getRemoteVideoContainer();
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var video = attachMediaStream(peer.stream);
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// store video element as part of peer for easy removal
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peer.videoEl = video;
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video.id = this.getDomId(peer);
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if (container) container.appendChild(video);
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this.emit('videoAdded', video, peer);
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// send our mute status to new peer if we're muted
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// currently called with a small delay because it arrives before
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// the video element is created otherwise (which happens after
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// the async setRemoteDescription-createAnswer)
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window.setTimeout(function () {
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var muted = false;
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self.webrtc.localStream.getAudioTracks().forEach(function (track) {
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muted = !track.enabled;
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});
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if (muted) {
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peer.send('mute', {name: 'audio'});
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}
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muted = false;
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self.webrtc.localStream.getVideoTracks().forEach(function (track) {
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muted = !track.enabled;
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});
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if (muted) {
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peer.send('mute', {name: 'video'});
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}
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}, 250);
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};
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SimpleWebRTC.prototype.handlePeerStreamRemoved = function (peer) {
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var container = this.getRemoteVideoContainer();
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var videoEl = peer.videoEl;
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if (this.config.autoRemoveVideos && container && videoEl) {
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container.removeChild(videoEl);
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}
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if (videoEl) this.emit('videoRemoved', videoEl, peer);
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};
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SimpleWebRTC.prototype.getDomId = function (peer) {
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return [peer.id, peer.type, peer.broadcaster ? 'broadcasting' : 'incoming'].join('_');
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};
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// set volume on video tag for all peers takse a value between 0 and 1
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SimpleWebRTC.prototype.setVolumeForAll = function (volume) {
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this.webrtc.peers.forEach(function (peer) {
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if (peer.videoEl) peer.videoEl.volume = volume;
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});
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};
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SimpleWebRTC.prototype.joinRoom = function (name, cb) {
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var self = this;
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this.roomName = name;
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this.connection.emit('join', name, function (err, roomDescription) {
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if (err) {
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self.emit('error', err);
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} else {
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var id,
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client,
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type,
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peer;
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for (id in roomDescription.clients) {
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client = roomDescription.clients[id];
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for (type in client) {
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if (client[type]) {
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peer = self.webrtc.createPeer({
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id: id,
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type: type,
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enableDataChannels: self.config.enableDataChannels && type !== 'screen',
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receiveMedia: {
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mandatory: {
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OfferToReceiveAudio: type !== 'screen',
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OfferToReceiveVideo: true
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}
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}
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});
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peer.start();
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}
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}
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}
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}
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if (cb) cb(err, roomDescription);
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self.emit('joinedRoom', name);
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});
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};
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SimpleWebRTC.prototype.getEl = function (idOrEl) {
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if (typeof idOrEl === 'string') {
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return document.getElementById(idOrEl);
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} else {
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return idOrEl;
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}
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};
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SimpleWebRTC.prototype.startLocalVideo = function () {
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var self = this;
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this.webrtc.startLocalMedia(this.config.media, function (err, stream) {
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if (err) {
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self.emit('localMediaError', err);
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} else {
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attachMediaStream(stream, self.getLocalVideoContainer(), {muted: true, mirror: true});
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}
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});
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};
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SimpleWebRTC.prototype.stopLocalVideo = function () {
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this.webrtc.stopLocalMedia();
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};
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// this accepts either element ID or element
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// and either the video tag itself or a container
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// that will be used to put the video tag into.
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SimpleWebRTC.prototype.getLocalVideoContainer = function () {
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var el = this.getEl(this.config.localVideoEl);
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if (el && el.tagName === 'VIDEO') {
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el.oncontextmenu = function () { return false; };
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return el;
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} else if (el) {
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var video = document.createElement('video');
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video.oncontextmenu = function () { return false; };
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el.appendChild(video);
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return video;
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} else {
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return;
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}
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};
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SimpleWebRTC.prototype.getRemoteVideoContainer = function () {
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return this.getEl(this.config.remoteVideosEl);
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};
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SimpleWebRTC.prototype.shareScreen = function (cb) {
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var self = this,
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peer;
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getScreenMedia(function (err, stream) {
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var item,
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el = document.createElement('video'),
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container = self.getRemoteVideoContainer();
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el.oncontextmenu = function () { return false; };
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if (!err) {
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self.webrtc.localScreen = stream;
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el.id = 'localScreen';
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attachMediaStream(stream, el);
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if (container) {
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container.appendChild(el);
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}
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// TODO: might need to migrate to the video tracks onended
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stream.onended = function () {
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self.emit('localScreenRemoved', el);
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self.stopScreenShare();
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};
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self.emit('localScreenAdded', el);
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self.connection.emit('shareScreen');
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self.webrtc.peers.forEach(function (existingPeer) {
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var peer;
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if (existingPeer.type === 'video') {
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peer = self.webrtc.createPeer({
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id: existingPeer.id,
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type: 'screen',
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sharemyscreen: true,
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enableDataChannels: false,
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receiveMedia: {
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mandatory: {
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OfferToReceiveAudio: false,
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OfferToReceiveVideo: false
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}
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},
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broadcaster: self.connection.socket.sessionid,
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});
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peer.start();
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}
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});
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} else {
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self.emit('localMediaError', err);
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}
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// enable the callback
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if (cb) cb(err, stream);
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});
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};
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SimpleWebRTC.prototype.getLocalScreen = function () {
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return this.webrtc.localScreen;
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};
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SimpleWebRTC.prototype.stopScreenShare = function () {
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this.connection.emit('unshareScreen');
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var videoEl = document.getElementById('localScreen');
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var container = this.getRemoteVideoContainer();
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var stream = this.getLocalScreen();
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if (this.config.autoRemoveVideos && container && videoEl) {
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container.removeChild(videoEl);
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}
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// a hack to emit the event the removes the video
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// element that we want
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if (videoEl) this.emit('videoRemoved', videoEl);
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if (stream) stream.stop();
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this.webrtc.peers.forEach(function (peer) {
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if (peer.broadcaster) {
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peer.end();
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}
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});
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delete this.webrtc.localScreen;
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};
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SimpleWebRTC.prototype.testReadiness = function () {
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var self = this;
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if (this.webrtc.localStream && this.sessionReady) {
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self.emit('readyToCall', self.connection.socket.sessionid);
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}
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};
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SimpleWebRTC.prototype.createRoom = function (name, cb) {
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if (arguments.length === 2) {
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this.connection.emit('create', name, cb);
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} else {
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this.connection.emit('create', name);
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}
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};
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SimpleWebRTC.prototype.sendFile = function () {
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if (!webrtcSupport.dataChannel) {
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return this.emit('error', new Error('DataChannelNotSupported'));
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}
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};
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module.exports = SimpleWebRTC;
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},{"attachmediastream":5,"getscreenmedia":6,"mockconsole":7,"socket.io-client":8,"webrtc":2,"webrtcsupport":4,"wildemitter":3}],3:[function(require,module,exports){
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/*
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WildEmitter.js is a slim little event emitter by @henrikjoreteg largely based
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on @visionmedia's Emitter from UI Kit.
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Why? I wanted it standalone.
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I also wanted support for wildcard emitters like this:
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emitter.on('*', function (eventName, other, event, payloads) {
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});
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emitter.on('somenamespace*', function (eventName, payloads) {
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});
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Please note that callbacks triggered by wildcard registered events also get
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the event name as the first argument.
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*/
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module.exports = WildEmitter;
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|
|
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function WildEmitter() {
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this.callbacks = {};
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}
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|
|
|
// Listen on the given `event` with `fn`. Store a group name if present.
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|
WildEmitter.prototype.on = function (event, groupName, fn) {
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var hasGroup = (arguments.length === 3),
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|
group = hasGroup ? arguments[1] : undefined,
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func = hasGroup ? arguments[2] : arguments[1];
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|
func._groupName = group;
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(this.callbacks[event] = this.callbacks[event] || []).push(func);
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return this;
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};
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|
|
|
// Adds an `event` listener that will be invoked a single
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// time then automatically removed.
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|
WildEmitter.prototype.once = function (event, groupName, fn) {
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|
var self = this,
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|
hasGroup = (arguments.length === 3),
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|
group = hasGroup ? arguments[1] : undefined,
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|
func = hasGroup ? arguments[2] : arguments[1];
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|
function on() {
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self.off(event, on);
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func.apply(this, arguments);
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}
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|
this.on(event, group, on);
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|
return this;
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|
};
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|
|
|
// Unbinds an entire group
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|
WildEmitter.prototype.releaseGroup = function (groupName) {
|
|
var item, i, len, handlers;
|
|
for (item in this.callbacks) {
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|
handlers = this.callbacks[item];
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|
for (i = 0, len = handlers.length; i < len; i++) {
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|
if (handlers[i]._groupName === groupName) {
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|
//console.log('removing');
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|
// remove it and shorten the array we're looping through
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|
handlers.splice(i, 1);
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|
i--;
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len--;
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}
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|
}
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}
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|
return this;
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};
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|
|
// Remove the given callback for `event` or all
|
|
// registered callbacks.
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|
WildEmitter.prototype.off = function (event, fn) {
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|
var callbacks = this.callbacks[event],
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|
i;
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|
|
|
if (!callbacks) return this;
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|
|
// remove all handlers
|
|
if (arguments.length === 1) {
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|
delete this.callbacks[event];
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|
return this;
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|
}
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|
|
// remove specific handler
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|
i = callbacks.indexOf(fn);
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|
callbacks.splice(i, 1);
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return this;
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};
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|
|
// Emit `event` with the given args.
|
|
// also calls any `*` handlers
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|
WildEmitter.prototype.emit = function (event) {
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|
var args = [].slice.call(arguments, 1),
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|
callbacks = this.callbacks[event],
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|
specialCallbacks = this.getWildcardCallbacks(event),
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|
i,
|
|
len,
|
|
item;
|
|
|
|
if (callbacks) {
|
|
for (i = 0, len = callbacks.length; i < len; ++i) {
|
|
if (callbacks[i]) {
|
|
callbacks[i].apply(this, args);
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (specialCallbacks) {
|
|
for (i = 0, len = specialCallbacks.length; i < len; ++i) {
|
|
if (specialCallbacks[i]) {
|
|
specialCallbacks[i].apply(this, [event].concat(args));
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
// Helper for for finding special wildcard event handlers that match the event
|
|
WildEmitter.prototype.getWildcardCallbacks = function (eventName) {
|
|
var item,
|
|
split,
|
|
result = [];
|
|
|
|
for (item in this.callbacks) {
|
|
split = item.split('*');
|
|
if (item === '*' || (split.length === 2 && eventName.slice(0, split[1].length) === split[1])) {
|
|
result = result.concat(this.callbacks[item]);
|
|
}
|
|
}
|
|
return result;
|
|
};
|
|
|
|
},{}],4:[function(require,module,exports){
|
|
// created by @HenrikJoreteg
|
|
var prefix;
|
|
var isChrome = false;
|
|
var isFirefox = false;
|
|
var ua = window.navigator.userAgent.toLowerCase();
|
|
|
|
// basic sniffing
|
|
if (ua.indexOf('firefox') !== -1) {
|
|
prefix = 'moz';
|
|
isFirefox = true;
|
|
} else if (ua.indexOf('chrome') !== -1) {
|
|
prefix = 'webkit';
|
|
isChrome = true;
|
|
}
|
|
|
|
var PC = window.mozRTCPeerConnection || window.webkitRTCPeerConnection;
|
|
var IceCandidate = window.mozRTCIceCandidate || window.RTCIceCandidate;
|
|
var SessionDescription = window.mozRTCSessionDescription || window.RTCSessionDescription;
|
|
var MediaStream = window.webkitMediaStream || window.MediaStream;
|
|
var screenSharing = window.location.protocol === 'https:' && window.navigator.userAgent.match('Chrome') && parseInt(window.navigator.userAgent.match(/Chrome\/(.*) /)[1], 10) >= 26;
|
|
var AudioContext = window.webkitAudioContext || window.AudioContext;
|
|
|
|
|
|
// export support flags and constructors.prototype && PC
|
|
module.exports = {
|
|
support: !!PC,
|
|
dataChannel: isChrome || isFirefox || (PC && PC.prototype && PC.prototype.createDataChannel),
|
|
prefix: prefix,
|
|
webAudio: !!(AudioContext && AudioContext.prototype.createMediaStreamSource),
|
|
mediaStream: !!(MediaStream && MediaStream.prototype.removeTrack),
|
|
screenSharing: !!screenSharing,
|
|
AudioContext: AudioContext,
|
|
PeerConnection: PC,
|
|
SessionDescription: SessionDescription,
|
|
IceCandidate: IceCandidate
|
|
};
|
|
|
|
},{}],5:[function(require,module,exports){
|
|
module.exports = function (stream, el, options) {
|
|
var URL = window.URL;
|
|
var opts = {
|
|
autoplay: true,
|
|
mirror: false,
|
|
muted: false
|
|
};
|
|
var element = el || document.createElement('video');
|
|
var item;
|
|
|
|
if (options) {
|
|
for (item in options) {
|
|
opts[item] = options[item];
|
|
}
|
|
}
|
|
|
|
if (opts.autoplay) element.autoplay = 'autoplay';
|
|
if (opts.muted) element.muted = true;
|
|
if (opts.mirror) {
|
|
['', 'moz', 'webkit', 'o', 'ms'].forEach(function (prefix) {
|
|
var styleName = prefix ? prefix + 'Transform' : 'transform';
|
|
element.style[styleName] = 'scaleX(-1)';
|
|
});
|
|
}
|
|
|
|
// this first one should work most everywhere now
|
|
// but we have a few fallbacks just in case.
|
|
if (URL && URL.createObjectURL) {
|
|
element.src = URL.createObjectURL(stream);
|
|
} else if (element.srcObject) {
|
|
element.srcObject = stream;
|
|
} else if (element.mozSrcObject) {
|
|
element.mozSrcObject = stream;
|
|
} else {
|
|
return false;
|
|
}
|
|
|
|
return element;
|
|
};
|
|
|
|
},{}],7:[function(require,module,exports){
|
|
var methods = "assert,count,debug,dir,dirxml,error,exception,group,groupCollapsed,groupEnd,info,log,markTimeline,profile,profileEnd,time,timeEnd,trace,warn".split(",");
|
|
var l = methods.length;
|
|
var fn = function () {};
|
|
var mockconsole = {};
|
|
|
|
while (l--) {
|
|
mockconsole[methods[l]] = fn;
|
|
}
|
|
|
|
module.exports = mockconsole;
|
|
|
|
},{}],8:[function(require,module,exports){
|
|
/*! Socket.IO.js build:0.9.16, development. Copyright(c) 2011 LearnBoost <dev@learnboost.com> MIT Licensed */
|
|
|
|
var io = ('undefined' === typeof module ? {} : module.exports);
|
|
(function() {
|
|
|
|
/**
|
|
* socket.io
|
|
* Copyright(c) 2011 LearnBoost <dev@learnboost.com>
|
|
* MIT Licensed
|
|
*/
|
|
|
|
(function (exports, global) {
|
|
|
|
/**
|
|
* IO namespace.
|
|
*
|
|
* @namespace
|
|
*/
|
|
|
|
var io = exports;
|
|
|
|
/**
|
|
* Socket.IO version
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
io.version = '0.9.16';
|
|
|
|
/**
|
|
* Protocol implemented.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
io.protocol = 1;
|
|
|
|
/**
|
|
* Available transports, these will be populated with the available transports
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
io.transports = [];
|
|
|
|
/**
|
|
* Keep track of jsonp callbacks.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
io.j = [];
|
|
|
|
/**
|
|
* Keep track of our io.Sockets
|
|
*
|
|
* @api private
|
|
*/
|
|
io.sockets = {};
|
|
|
|
|
|
/**
|
|
* Manages connections to hosts.
|
|
*
|
|
* @param {String} uri
|
|
* @Param {Boolean} force creation of new socket (defaults to false)
|
|
* @api public
|
|
*/
|
|
|
|
io.connect = function (host, details) {
|
|
var uri = io.util.parseUri(host)
|
|
, uuri
|
|
, socket;
|
|
|
|
if (global && global.location) {
|
|
uri.protocol = uri.protocol || global.location.protocol.slice(0, -1);
|
|
uri.host = uri.host || (global.document
|
|
? global.document.domain : global.location.hostname);
|
|
uri.port = uri.port || global.location.port;
|
|
}
|
|
|
|
uuri = io.util.uniqueUri(uri);
|
|
|
|
var options = {
|
|
host: uri.host
|
|
, secure: 'https' == uri.protocol
|
|
, port: uri.port || ('https' == uri.protocol ? 443 : 80)
|
|
, query: uri.query || ''
|
|
};
|
|
|
|
io.util.merge(options, details);
|
|
|
|
if (options['force new connection'] || !io.sockets[uuri]) {
|
|
socket = new io.Socket(options);
|
|
}
|
|
|
|
if (!options['force new connection'] && socket) {
|
|
io.sockets[uuri] = socket;
|
|
}
|
|
|
|
socket = socket || io.sockets[uuri];
|
|
|
|
// if path is different from '' or /
|
|
return socket.of(uri.path.length > 1 ? uri.path : '');
|
|
};
|
|
|
|
})('object' === typeof module ? module.exports : (this.io = {}), this);
|
|
/**
|
|
* socket.io
|
|
* Copyright(c) 2011 LearnBoost <dev@learnboost.com>
|
|
* MIT Licensed
|
|
*/
|
|
|
|
(function (exports, global) {
|
|
|
|
/**
|
|
* Utilities namespace.
|
|
*
|
|
* @namespace
|
|
*/
|
|
|
|
var util = exports.util = {};
|
|
|
|
/**
|
|
* Parses an URI
|
|
*
|
|
* @author Steven Levithan <stevenlevithan.com> (MIT license)
|
|
* @api public
|
|
*/
|
|
|
|
var re = /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
|
|
|
|
var parts = ['source', 'protocol', 'authority', 'userInfo', 'user', 'password',
|
|
'host', 'port', 'relative', 'path', 'directory', 'file', 'query',
|
|
'anchor'];
|
|
|
|
util.parseUri = function (str) {
|
|
var m = re.exec(str || '')
|
|
, uri = {}
|
|
, i = 14;
|
|
|
|
while (i--) {
|
|
uri[parts[i]] = m[i] || '';
|
|
}
|
|
|
|
return uri;
|
|
};
|
|
|
|
/**
|
|
* Produces a unique url that identifies a Socket.IO connection.
|
|
*
|
|
* @param {Object} uri
|
|
* @api public
|
|
*/
|
|
|
|
util.uniqueUri = function (uri) {
|
|
var protocol = uri.protocol
|
|
, host = uri.host
|
|
, port = uri.port;
|
|
|
|
if ('document' in global) {
|
|
host = host || document.domain;
|
|
port = port || (protocol == 'https'
|
|
&& document.location.protocol !== 'https:' ? 443 : document.location.port);
|
|
} else {
|
|
host = host || 'localhost';
|
|
|
|
if (!port && protocol == 'https') {
|
|
port = 443;
|
|
}
|
|
}
|
|
|
|
return (protocol || 'http') + '://' + host + ':' + (port || 80);
|
|
};
|
|
|
|
/**
|
|
* Mergest 2 query strings in to once unique query string
|
|
*
|
|
* @param {String} base
|
|
* @param {String} addition
|
|
* @api public
|
|
*/
|
|
|
|
util.query = function (base, addition) {
|
|
var query = util.chunkQuery(base || '')
|
|
, components = [];
|
|
|
|
util.merge(query, util.chunkQuery(addition || ''));
|
|
for (var part in query) {
|
|
if (query.hasOwnProperty(part)) {
|
|
components.push(part + '=' + query[part]);
|
|
}
|
|
}
|
|
|
|
return components.length ? '?' + components.join('&') : '';
|
|
};
|
|
|
|
/**
|
|
* Transforms a querystring in to an object
|
|
*
|
|
* @param {String} qs
|
|
* @api public
|
|
*/
|
|
|
|
util.chunkQuery = function (qs) {
|
|
var query = {}
|
|
, params = qs.split('&')
|
|
, i = 0
|
|
, l = params.length
|
|
, kv;
|
|
|
|
for (; i < l; ++i) {
|
|
kv = params[i].split('=');
|
|
if (kv[0]) {
|
|
query[kv[0]] = kv[1];
|
|
}
|
|
}
|
|
|
|
return query;
|
|
};
|
|
|
|
/**
|
|
* Executes the given function when the page is loaded.
|
|
*
|
|
* io.util.load(function () { console.log('page loaded'); });
|
|
*
|
|
* @param {Function} fn
|
|
* @api public
|
|
*/
|
|
|
|
var pageLoaded = false;
|
|
|
|
util.load = function (fn) {
|
|
if ('document' in global && document.readyState === 'complete' || pageLoaded) {
|
|
return fn();
|
|
}
|
|
|
|
util.on(global, 'load', fn, false);
|
|
};
|
|
|
|
/**
|
|
* Adds an event.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
util.on = function (element, event, fn, capture) {
|
|
if (element.attachEvent) {
|
|
element.attachEvent('on' + event, fn);
|
|
} else if (element.addEventListener) {
|
|
element.addEventListener(event, fn, capture);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Generates the correct `XMLHttpRequest` for regular and cross domain requests.
|
|
*
|
|
* @param {Boolean} [xdomain] Create a request that can be used cross domain.
|
|
* @returns {XMLHttpRequest|false} If we can create a XMLHttpRequest.
|
|
* @api private
|
|
*/
|
|
|
|
util.request = function (xdomain) {
|
|
|
|
if (xdomain && 'undefined' != typeof XDomainRequest && !util.ua.hasCORS) {
|
|
return new XDomainRequest();
|
|
}
|
|
|
|
if ('undefined' != typeof XMLHttpRequest && (!xdomain || util.ua.hasCORS)) {
|
|
return new XMLHttpRequest();
|
|
}
|
|
|
|
if (!xdomain) {
|
|
try {
|
|
return new window[(['Active'].concat('Object').join('X'))]('Microsoft.XMLHTTP');
|
|
} catch(e) { }
|
|
}
|
|
|
|
return null;
|
|
};
|
|
|
|
/**
|
|
* XHR based transport constructor.
|
|
*
|
|
* @constructor
|
|
* @api public
|
|
*/
|
|
|
|
/**
|
|
* Change the internal pageLoaded value.
|
|
*/
|
|
|
|
if ('undefined' != typeof window) {
|
|
util.load(function () {
|
|
pageLoaded = true;
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Defers a function to ensure a spinner is not displayed by the browser
|
|
*
|
|
* @param {Function} fn
|
|
* @api public
|
|
*/
|
|
|
|
util.defer = function (fn) {
|
|
if (!util.ua.webkit || 'undefined' != typeof importScripts) {
|
|
return fn();
|
|
}
|
|
|
|
util.load(function () {
|
|
setTimeout(fn, 100);
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Merges two objects.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
util.merge = function merge (target, additional, deep, lastseen) {
|
|
var seen = lastseen || []
|
|
, depth = typeof deep == 'undefined' ? 2 : deep
|
|
, prop;
|
|
|
|
for (prop in additional) {
|
|
if (additional.hasOwnProperty(prop) && util.indexOf(seen, prop) < 0) {
|
|
if (typeof target[prop] !== 'object' || !depth) {
|
|
target[prop] = additional[prop];
|
|
seen.push(additional[prop]);
|
|
} else {
|
|
util.merge(target[prop], additional[prop], depth - 1, seen);
|
|
}
|
|
}
|
|
}
|
|
|
|
return target;
|
|
};
|
|
|
|
/**
|
|
* Merges prototypes from objects
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
util.mixin = function (ctor, ctor2) {
|
|
util.merge(ctor.prototype, ctor2.prototype);
|
|
};
|
|
|
|
/**
|
|
* Shortcut for prototypical and static inheritance.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
util.inherit = function (ctor, ctor2) {
|
|
function f() {};
|
|
f.prototype = ctor2.prototype;
|
|
ctor.prototype = new f;
|
|
};
|
|
|
|
/**
|
|
* Checks if the given object is an Array.
|
|
*
|
|
* io.util.isArray([]); // true
|
|
* io.util.isArray({}); // false
|
|
*
|
|
* @param Object obj
|
|
* @api public
|
|
*/
|
|
|
|
util.isArray = Array.isArray || function (obj) {
|
|
return Object.prototype.toString.call(obj) === '[object Array]';
|
|
};
|
|
|
|
/**
|
|
* Intersects values of two arrays into a third
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
util.intersect = function (arr, arr2) {
|
|
var ret = []
|
|
, longest = arr.length > arr2.length ? arr : arr2
|
|
, shortest = arr.length > arr2.length ? arr2 : arr;
|
|
|
|
for (var i = 0, l = shortest.length; i < l; i++) {
|
|
if (~util.indexOf(longest, shortest[i]))
|
|
ret.push(shortest[i]);
|
|
}
|
|
|
|
return ret;
|
|
};
|
|
|
|
/**
|
|
* Array indexOf compatibility.
|
|
*
|
|
* @see bit.ly/a5Dxa2
|
|
* @api public
|
|
*/
|
|
|
|
util.indexOf = function (arr, o, i) {
|
|
|
|
for (var j = arr.length, i = i < 0 ? i + j < 0 ? 0 : i + j : i || 0;
|
|
i < j && arr[i] !== o; i++) {}
|
|
|
|
return j <= i ? -1 : i;
|
|
};
|
|
|
|
/**
|
|
* Converts enumerables to array.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
util.toArray = function (enu) {
|
|
var arr = [];
|
|
|
|
for (var i = 0, l = enu.length; i < l; i++)
|
|
arr.push(enu[i]);
|
|
|
|
return arr;
|
|
};
|
|
|
|
/**
|
|
* UA / engines detection namespace.
|
|
*
|
|
* @namespace
|
|
*/
|
|
|
|
util.ua = {};
|
|
|
|
/**
|
|
* Whether the UA supports CORS for XHR.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
util.ua.hasCORS = 'undefined' != typeof XMLHttpRequest && (function () {
|
|
try {
|
|
var a = new XMLHttpRequest();
|
|
} catch (e) {
|
|
return false;
|
|
}
|
|
|
|
return a.withCredentials != undefined;
|
|
})();
|
|
|
|
/**
|
|
* Detect webkit.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
util.ua.webkit = 'undefined' != typeof navigator
|
|
&& /webkit/i.test(navigator.userAgent);
|
|
|
|
/**
|
|
* Detect iPad/iPhone/iPod.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
util.ua.iDevice = 'undefined' != typeof navigator
|
|
&& /iPad|iPhone|iPod/i.test(navigator.userAgent);
|
|
|
|
})('undefined' != typeof io ? io : module.exports, this);
|
|
/**
|
|
* socket.io
|
|
* Copyright(c) 2011 LearnBoost <dev@learnboost.com>
|
|
* MIT Licensed
|
|
*/
|
|
|
|
(function (exports, io) {
|
|
|
|
/**
|
|
* Expose constructor.
|
|
*/
|
|
|
|
exports.EventEmitter = EventEmitter;
|
|
|
|
/**
|
|
* Event emitter constructor.
|
|
*
|
|
* @api public.
|
|
*/
|
|
|
|
function EventEmitter () {};
|
|
|
|
/**
|
|
* Adds a listener
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
EventEmitter.prototype.on = function (name, fn) {
|
|
if (!this.$events) {
|
|
this.$events = {};
|
|
}
|
|
|
|
if (!this.$events[name]) {
|
|
this.$events[name] = fn;
|
|
} else if (io.util.isArray(this.$events[name])) {
|
|
this.$events[name].push(fn);
|
|
} else {
|
|
this.$events[name] = [this.$events[name], fn];
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
EventEmitter.prototype.addListener = EventEmitter.prototype.on;
|
|
|
|
/**
|
|
* Adds a volatile listener.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
EventEmitter.prototype.once = function (name, fn) {
|
|
var self = this;
|
|
|
|
function on () {
|
|
self.removeListener(name, on);
|
|
fn.apply(this, arguments);
|
|
};
|
|
|
|
on.listener = fn;
|
|
this.on(name, on);
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Removes a listener.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
EventEmitter.prototype.removeListener = function (name, fn) {
|
|
if (this.$events && this.$events[name]) {
|
|
var list = this.$events[name];
|
|
|
|
if (io.util.isArray(list)) {
|
|
var pos = -1;
|
|
|
|
for (var i = 0, l = list.length; i < l; i++) {
|
|
if (list[i] === fn || (list[i].listener && list[i].listener === fn)) {
|
|
pos = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (pos < 0) {
|
|
return this;
|
|
}
|
|
|
|
list.splice(pos, 1);
|
|
|
|
if (!list.length) {
|
|
delete this.$events[name];
|
|
}
|
|
} else if (list === fn || (list.listener && list.listener === fn)) {
|
|
delete this.$events[name];
|
|
}
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Removes all listeners for an event.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
EventEmitter.prototype.removeAllListeners = function (name) {
|
|
if (name === undefined) {
|
|
this.$events = {};
|
|
return this;
|
|
}
|
|
|
|
if (this.$events && this.$events[name]) {
|
|
this.$events[name] = null;
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Gets all listeners for a certain event.
|
|
*
|
|
* @api publci
|
|
*/
|
|
|
|
EventEmitter.prototype.listeners = function (name) {
|
|
if (!this.$events) {
|
|
this.$events = {};
|
|
}
|
|
|
|
if (!this.$events[name]) {
|
|
this.$events[name] = [];
|
|
}
|
|
|
|
if (!io.util.isArray(this.$events[name])) {
|
|
this.$events[name] = [this.$events[name]];
|
|
}
|
|
|
|
return this.$events[name];
|
|
};
|
|
|
|
/**
|
|
* Emits an event.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
EventEmitter.prototype.emit = function (name) {
|
|
if (!this.$events) {
|
|
return false;
|
|
}
|
|
|
|
var handler = this.$events[name];
|
|
|
|
if (!handler) {
|
|
return false;
|
|
}
|
|
|
|
var args = Array.prototype.slice.call(arguments, 1);
|
|
|
|
if ('function' == typeof handler) {
|
|
handler.apply(this, args);
|
|
} else if (io.util.isArray(handler)) {
|
|
var listeners = handler.slice();
|
|
|
|
for (var i = 0, l = listeners.length; i < l; i++) {
|
|
listeners[i].apply(this, args);
|
|
}
|
|
} else {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
};
|
|
|
|
})(
|
|
'undefined' != typeof io ? io : module.exports
|
|
, 'undefined' != typeof io ? io : module.parent.exports
|
|
);
|
|
|
|
/**
|
|
* socket.io
|
|
* Copyright(c) 2011 LearnBoost <dev@learnboost.com>
|
|
* MIT Licensed
|
|
*/
|
|
|
|
/**
|
|
* Based on JSON2 (http://www.JSON.org/js.html).
|
|
*/
|
|
|
|
(function (exports, nativeJSON) {
|
|
"use strict";
|
|
|
|
// use native JSON if it's available
|
|
if (nativeJSON && nativeJSON.parse){
|
|
return exports.JSON = {
|
|
parse: nativeJSON.parse
|
|
, stringify: nativeJSON.stringify
|
|
};
|
|
}
|
|
|
|
var JSON = exports.JSON = {};
|
|
|
|
function f(n) {
|
|
// Format integers to have at least two digits.
|
|
return n < 10 ? '0' + n : n;
|
|
}
|
|
|
|
function date(d, key) {
|
|
return isFinite(d.valueOf()) ?
|
|
d.getUTCFullYear() + '-' +
|
|
f(d.getUTCMonth() + 1) + '-' +
|
|
f(d.getUTCDate()) + 'T' +
|
|
f(d.getUTCHours()) + ':' +
|
|
f(d.getUTCMinutes()) + ':' +
|
|
f(d.getUTCSeconds()) + 'Z' : null;
|
|
};
|
|
|
|
var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
|
|
escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
|
|
gap,
|
|
indent,
|
|
meta = { // table of character substitutions
|
|
'\b': '\\b',
|
|
'\t': '\\t',
|
|
'\n': '\\n',
|
|
'\f': '\\f',
|
|
'\r': '\\r',
|
|
'"' : '\\"',
|
|
'\\': '\\\\'
|
|
},
|
|
rep;
|
|
|
|
|
|
function quote(string) {
|
|
|
|
// If the string contains no control characters, no quote characters, and no
|
|
// backslash characters, then we can safely slap some quotes around it.
|
|
// Otherwise we must also replace the offending characters with safe escape
|
|
// sequences.
|
|
|
|
escapable.lastIndex = 0;
|
|
return escapable.test(string) ? '"' + string.replace(escapable, function (a) {
|
|
var c = meta[a];
|
|
return typeof c === 'string' ? c :
|
|
'\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
|
|
}) + '"' : '"' + string + '"';
|
|
}
|
|
|
|
|
|
function str(key, holder) {
|
|
|
|
// Produce a string from holder[key].
|
|
|
|
var i, // The loop counter.
|
|
k, // The member key.
|
|
v, // The member value.
|
|
length,
|
|
mind = gap,
|
|
partial,
|
|
value = holder[key];
|
|
|
|
// If the value has a toJSON method, call it to obtain a replacement value.
|
|
|
|
if (value instanceof Date) {
|
|
value = date(key);
|
|
}
|
|
|
|
// If we were called with a replacer function, then call the replacer to
|
|
// obtain a replacement value.
|
|
|
|
if (typeof rep === 'function') {
|
|
value = rep.call(holder, key, value);
|
|
}
|
|
|
|
// What happens next depends on the value's type.
|
|
|
|
switch (typeof value) {
|
|
case 'string':
|
|
return quote(value);
|
|
|
|
case 'number':
|
|
|
|
// JSON numbers must be finite. Encode non-finite numbers as null.
|
|
|
|
return isFinite(value) ? String(value) : 'null';
|
|
|
|
case 'boolean':
|
|
case 'null':
|
|
|
|
// If the value is a boolean or null, convert it to a string. Note:
|
|
// typeof null does not produce 'null'. The case is included here in
|
|
// the remote chance that this gets fixed someday.
|
|
|
|
return String(value);
|
|
|
|
// If the type is 'object', we might be dealing with an object or an array or
|
|
// null.
|
|
|
|
case 'object':
|
|
|
|
// Due to a specification blunder in ECMAScript, typeof null is 'object',
|
|
// so watch out for that case.
|
|
|
|
if (!value) {
|
|
return 'null';
|
|
}
|
|
|
|
// Make an array to hold the partial results of stringifying this object value.
|
|
|
|
gap += indent;
|
|
partial = [];
|
|
|
|
// Is the value an array?
|
|
|
|
if (Object.prototype.toString.apply(value) === '[object Array]') {
|
|
|
|
// The value is an array. Stringify every element. Use null as a placeholder
|
|
// for non-JSON values.
|
|
|
|
length = value.length;
|
|
for (i = 0; i < length; i += 1) {
|
|
partial[i] = str(i, value) || 'null';
|
|
}
|
|
|
|
// Join all of the elements together, separated with commas, and wrap them in
|
|
// brackets.
|
|
|
|
v = partial.length === 0 ? '[]' : gap ?
|
|
'[\n' + gap + partial.join(',\n' + gap) + '\n' + mind + ']' :
|
|
'[' + partial.join(',') + ']';
|
|
gap = mind;
|
|
return v;
|
|
}
|
|
|
|
// If the replacer is an array, use it to select the members to be stringified.
|
|
|
|
if (rep && typeof rep === 'object') {
|
|
length = rep.length;
|
|
for (i = 0; i < length; i += 1) {
|
|
if (typeof rep[i] === 'string') {
|
|
k = rep[i];
|
|
v = str(k, value);
|
|
if (v) {
|
|
partial.push(quote(k) + (gap ? ': ' : ':') + v);
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
|
|
// Otherwise, iterate through all of the keys in the object.
|
|
|
|
for (k in value) {
|
|
if (Object.prototype.hasOwnProperty.call(value, k)) {
|
|
v = str(k, value);
|
|
if (v) {
|
|
partial.push(quote(k) + (gap ? ': ' : ':') + v);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Join all of the member texts together, separated with commas,
|
|
// and wrap them in braces.
|
|
|
|
v = partial.length === 0 ? '{}' : gap ?
|
|
'{\n' + gap + partial.join(',\n' + gap) + '\n' + mind + '}' :
|
|
'{' + partial.join(',') + '}';
|
|
gap = mind;
|
|
return v;
|
|
}
|
|
}
|
|
|
|
// If the JSON object does not yet have a stringify method, give it one.
|
|
|
|
JSON.stringify = function (value, replacer, space) {
|
|
|
|
// The stringify method takes a value and an optional replacer, and an optional
|
|
// space parameter, and returns a JSON text. The replacer can be a function
|
|
// that can replace values, or an array of strings that will select the keys.
|
|
// A default replacer method can be provided. Use of the space parameter can
|
|
// produce text that is more easily readable.
|
|
|
|
var i;
|
|
gap = '';
|
|
indent = '';
|
|
|
|
// If the space parameter is a number, make an indent string containing that
|
|
// many spaces.
|
|
|
|
if (typeof space === 'number') {
|
|
for (i = 0; i < space; i += 1) {
|
|
indent += ' ';
|
|
}
|
|
|
|
// If the space parameter is a string, it will be used as the indent string.
|
|
|
|
} else if (typeof space === 'string') {
|
|
indent = space;
|
|
}
|
|
|
|
// If there is a replacer, it must be a function or an array.
|
|
// Otherwise, throw an error.
|
|
|
|
rep = replacer;
|
|
if (replacer && typeof replacer !== 'function' &&
|
|
(typeof replacer !== 'object' ||
|
|
typeof replacer.length !== 'number')) {
|
|
throw new Error('JSON.stringify');
|
|
}
|
|
|
|
// Make a fake root object containing our value under the key of ''.
|
|
// Return the result of stringifying the value.
|
|
|
|
return str('', {'': value});
|
|
};
|
|
|
|
// If the JSON object does not yet have a parse method, give it one.
|
|
|
|
JSON.parse = function (text, reviver) {
|
|
// The parse method takes a text and an optional reviver function, and returns
|
|
// a JavaScript value if the text is a valid JSON text.
|
|
|
|
var j;
|
|
|
|
function walk(holder, key) {
|
|
|
|
// The walk method is used to recursively walk the resulting structure so
|
|
// that modifications can be made.
|
|
|
|
var k, v, value = holder[key];
|
|
if (value && typeof value === 'object') {
|
|
for (k in value) {
|
|
if (Object.prototype.hasOwnProperty.call(value, k)) {
|
|
v = walk(value, k);
|
|
if (v !== undefined) {
|
|
value[k] = v;
|
|
} else {
|
|
delete value[k];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return reviver.call(holder, key, value);
|
|
}
|
|
|
|
|
|
// Parsing happens in four stages. In the first stage, we replace certain
|
|
// Unicode characters with escape sequences. JavaScript handles many characters
|
|
// incorrectly, either silently deleting them, or treating them as line endings.
|
|
|
|
text = String(text);
|
|
cx.lastIndex = 0;
|
|
if (cx.test(text)) {
|
|
text = text.replace(cx, function (a) {
|
|
return '\\u' +
|
|
('0000' + a.charCodeAt(0).toString(16)).slice(-4);
|
|
});
|
|
}
|
|
|
|
// In the second stage, we run the text against regular expressions that look
|
|
// for non-JSON patterns. We are especially concerned with '()' and 'new'
|
|
// because they can cause invocation, and '=' because it can cause mutation.
|
|
// But just to be safe, we want to reject all unexpected forms.
|
|
|
|
// We split the second stage into 4 regexp operations in order to work around
|
|
// crippling inefficiencies in IE's and Safari's regexp engines. First we
|
|
// replace the JSON backslash pairs with '@' (a non-JSON character). Second, we
|
|
// replace all simple value tokens with ']' characters. Third, we delete all
|
|
// open brackets that follow a colon or comma or that begin the text. Finally,
|
|
// we look to see that the remaining characters are only whitespace or ']' or
|
|
// ',' or ':' or '{' or '}'. If that is so, then the text is safe for eval.
|
|
|
|
if (/^[\],:{}\s]*$/
|
|
.test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@')
|
|
.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']')
|
|
.replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) {
|
|
|
|
// In the third stage we use the eval function to compile the text into a
|
|
// JavaScript structure. The '{' operator is subject to a syntactic ambiguity
|
|
// in JavaScript: it can begin a block or an object literal. We wrap the text
|
|
// in parens to eliminate the ambiguity.
|
|
|
|
j = eval('(' + text + ')');
|
|
|
|
// In the optional fourth stage, we recursively walk the new structure, passing
|
|
// each name/value pair to a reviver function for possible transformation.
|
|
|
|
return typeof reviver === 'function' ?
|
|
walk({'': j}, '') : j;
|
|
}
|
|
|
|
// If the text is not JSON parseable, then a SyntaxError is thrown.
|
|
|
|
throw new SyntaxError('JSON.parse');
|
|
};
|
|
|
|
})(
|
|
'undefined' != typeof io ? io : module.exports
|
|
, typeof JSON !== 'undefined' ? JSON : undefined
|
|
);
|
|
|
|
/**
|
|
* socket.io
|
|
* Copyright(c) 2011 LearnBoost <dev@learnboost.com>
|
|
* MIT Licensed
|
|
*/
|
|
|
|
(function (exports, io) {
|
|
|
|
/**
|
|
* Parser namespace.
|
|
*
|
|
* @namespace
|
|
*/
|
|
|
|
var parser = exports.parser = {};
|
|
|
|
/**
|
|
* Packet types.
|
|
*/
|
|
|
|
var packets = parser.packets = [
|
|
'disconnect'
|
|
, 'connect'
|
|
, 'heartbeat'
|
|
, 'message'
|
|
, 'json'
|
|
, 'event'
|
|
, 'ack'
|
|
, 'error'
|
|
, 'noop'
|
|
];
|
|
|
|
/**
|
|
* Errors reasons.
|
|
*/
|
|
|
|
var reasons = parser.reasons = [
|
|
'transport not supported'
|
|
, 'client not handshaken'
|
|
, 'unauthorized'
|
|
];
|
|
|
|
/**
|
|
* Errors advice.
|
|
*/
|
|
|
|
var advice = parser.advice = [
|
|
'reconnect'
|
|
];
|
|
|
|
/**
|
|
* Shortcuts.
|
|
*/
|
|
|
|
var JSON = io.JSON
|
|
, indexOf = io.util.indexOf;
|
|
|
|
/**
|
|
* Encodes a packet.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
parser.encodePacket = function (packet) {
|
|
var type = indexOf(packets, packet.type)
|
|
, id = packet.id || ''
|
|
, endpoint = packet.endpoint || ''
|
|
, ack = packet.ack
|
|
, data = null;
|
|
|
|
switch (packet.type) {
|
|
case 'error':
|
|
var reason = packet.reason ? indexOf(reasons, packet.reason) : ''
|
|
, adv = packet.advice ? indexOf(advice, packet.advice) : '';
|
|
|
|
if (reason !== '' || adv !== '')
|
|
data = reason + (adv !== '' ? ('+' + adv) : '');
|
|
|
|
break;
|
|
|
|
case 'message':
|
|
if (packet.data !== '')
|
|
data = packet.data;
|
|
break;
|
|
|
|
case 'event':
|
|
var ev = { name: packet.name };
|
|
|
|
if (packet.args && packet.args.length) {
|
|
ev.args = packet.args;
|
|
}
|
|
|
|
data = JSON.stringify(ev);
|
|
break;
|
|
|
|
case 'json':
|
|
data = JSON.stringify(packet.data);
|
|
break;
|
|
|
|
case 'connect':
|
|
if (packet.qs)
|
|
data = packet.qs;
|
|
break;
|
|
|
|
case 'ack':
|
|
data = packet.ackId
|
|
+ (packet.args && packet.args.length
|
|
? '+' + JSON.stringify(packet.args) : '');
|
|
break;
|
|
}
|
|
|
|
// construct packet with required fragments
|
|
var encoded = [
|
|
type
|
|
, id + (ack == 'data' ? '+' : '')
|
|
, endpoint
|
|
];
|
|
|
|
// data fragment is optional
|
|
if (data !== null && data !== undefined)
|
|
encoded.push(data);
|
|
|
|
return encoded.join(':');
|
|
};
|
|
|
|
/**
|
|
* Encodes multiple messages (payload).
|
|
*
|
|
* @param {Array} messages
|
|
* @api private
|
|
*/
|
|
|
|
parser.encodePayload = function (packets) {
|
|
var decoded = '';
|
|
|
|
if (packets.length == 1)
|
|
return packets[0];
|
|
|
|
for (var i = 0, l = packets.length; i < l; i++) {
|
|
var packet = packets[i];
|
|
decoded += '\ufffd' + packet.length + '\ufffd' + packets[i];
|
|
}
|
|
|
|
return decoded;
|
|
};
|
|
|
|
/**
|
|
* Decodes a packet
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
var regexp = /([^:]+):([0-9]+)?(\+)?:([^:]+)?:?([\s\S]*)?/;
|
|
|
|
parser.decodePacket = function (data) {
|
|
var pieces = data.match(regexp);
|
|
|
|
if (!pieces) return {};
|
|
|
|
var id = pieces[2] || ''
|
|
, data = pieces[5] || ''
|
|
, packet = {
|
|
type: packets[pieces[1]]
|
|
, endpoint: pieces[4] || ''
|
|
};
|
|
|
|
// whether we need to acknowledge the packet
|
|
if (id) {
|
|
packet.id = id;
|
|
if (pieces[3])
|
|
packet.ack = 'data';
|
|
else
|
|
packet.ack = true;
|
|
}
|
|
|
|
// handle different packet types
|
|
switch (packet.type) {
|
|
case 'error':
|
|
var pieces = data.split('+');
|
|
packet.reason = reasons[pieces[0]] || '';
|
|
packet.advice = advice[pieces[1]] || '';
|
|
break;
|
|
|
|
case 'message':
|
|
packet.data = data || '';
|
|
break;
|
|
|
|
case 'event':
|
|
try {
|
|
var opts = JSON.parse(data);
|
|
packet.name = opts.name;
|
|
packet.args = opts.args;
|
|
} catch (e) { }
|
|
|
|
packet.args = packet.args || [];
|
|
break;
|
|
|
|
case 'json':
|
|
try {
|
|
packet.data = JSON.parse(data);
|
|
} catch (e) { }
|
|
break;
|
|
|
|
case 'connect':
|
|
packet.qs = data || '';
|
|
break;
|
|
|
|
case 'ack':
|
|
var pieces = data.match(/^([0-9]+)(\+)?(.*)/);
|
|
if (pieces) {
|
|
packet.ackId = pieces[1];
|
|
packet.args = [];
|
|
|
|
if (pieces[3]) {
|
|
try {
|
|
packet.args = pieces[3] ? JSON.parse(pieces[3]) : [];
|
|
} catch (e) { }
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 'disconnect':
|
|
case 'heartbeat':
|
|
break;
|
|
};
|
|
|
|
return packet;
|
|
};
|
|
|
|
/**
|
|
* Decodes data payload. Detects multiple messages
|
|
*
|
|
* @return {Array} messages
|
|
* @api public
|
|
*/
|
|
|
|
parser.decodePayload = function (data) {
|
|
// IE doesn't like data[i] for unicode chars, charAt works fine
|
|
if (data.charAt(0) == '\ufffd') {
|
|
var ret = [];
|
|
|
|
for (var i = 1, length = ''; i < data.length; i++) {
|
|
if (data.charAt(i) == '\ufffd') {
|
|
ret.push(parser.decodePacket(data.substr(i + 1).substr(0, length)));
|
|
i += Number(length) + 1;
|
|
length = '';
|
|
} else {
|
|
length += data.charAt(i);
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
} else {
|
|
return [parser.decodePacket(data)];
|
|
}
|
|
};
|
|
|
|
})(
|
|
'undefined' != typeof io ? io : module.exports
|
|
, 'undefined' != typeof io ? io : module.parent.exports
|
|
);
|
|
/**
|
|
* socket.io
|
|
* Copyright(c) 2011 LearnBoost <dev@learnboost.com>
|
|
* MIT Licensed
|
|
*/
|
|
|
|
(function (exports, io) {
|
|
|
|
/**
|
|
* Expose constructor.
|
|
*/
|
|
|
|
exports.Transport = Transport;
|
|
|
|
/**
|
|
* This is the transport template for all supported transport methods.
|
|
*
|
|
* @constructor
|
|
* @api public
|
|
*/
|
|
|
|
function Transport (socket, sessid) {
|
|
this.socket = socket;
|
|
this.sessid = sessid;
|
|
};
|
|
|
|
/**
|
|
* Apply EventEmitter mixin.
|
|
*/
|
|
|
|
io.util.mixin(Transport, io.EventEmitter);
|
|
|
|
|
|
/**
|
|
* Indicates whether heartbeats is enabled for this transport
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Transport.prototype.heartbeats = function () {
|
|
return true;
|
|
};
|
|
|
|
/**
|
|
* Handles the response from the server. When a new response is received
|
|
* it will automatically update the timeout, decode the message and
|
|
* forwards the response to the onMessage function for further processing.
|
|
*
|
|
* @param {String} data Response from the server.
|
|
* @api private
|
|
*/
|
|
|
|
Transport.prototype.onData = function (data) {
|
|
this.clearCloseTimeout();
|
|
|
|
// If the connection in currently open (or in a reopening state) reset the close
|
|
// timeout since we have just received data. This check is necessary so
|
|
// that we don't reset the timeout on an explicitly disconnected connection.
|
|
if (this.socket.connected || this.socket.connecting || this.socket.reconnecting) {
|
|
this.setCloseTimeout();
|
|
}
|
|
|
|
if (data !== '') {
|
|
// todo: we should only do decodePayload for xhr transports
|
|
var msgs = io.parser.decodePayload(data);
|
|
|
|
if (msgs && msgs.length) {
|
|
for (var i = 0, l = msgs.length; i < l; i++) {
|
|
this.onPacket(msgs[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Handles packets.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Transport.prototype.onPacket = function (packet) {
|
|
this.socket.setHeartbeatTimeout();
|
|
|
|
if (packet.type == 'heartbeat') {
|
|
return this.onHeartbeat();
|
|
}
|
|
|
|
if (packet.type == 'connect' && packet.endpoint == '') {
|
|
this.onConnect();
|
|
}
|
|
|
|
if (packet.type == 'error' && packet.advice == 'reconnect') {
|
|
this.isOpen = false;
|
|
}
|
|
|
|
this.socket.onPacket(packet);
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Sets close timeout
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Transport.prototype.setCloseTimeout = function () {
|
|
if (!this.closeTimeout) {
|
|
var self = this;
|
|
|
|
this.closeTimeout = setTimeout(function () {
|
|
self.onDisconnect();
|
|
}, this.socket.closeTimeout);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Called when transport disconnects.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Transport.prototype.onDisconnect = function () {
|
|
if (this.isOpen) this.close();
|
|
this.clearTimeouts();
|
|
this.socket.onDisconnect();
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Called when transport connects
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Transport.prototype.onConnect = function () {
|
|
this.socket.onConnect();
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Clears close timeout
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Transport.prototype.clearCloseTimeout = function () {
|
|
if (this.closeTimeout) {
|
|
clearTimeout(this.closeTimeout);
|
|
this.closeTimeout = null;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Clear timeouts
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Transport.prototype.clearTimeouts = function () {
|
|
this.clearCloseTimeout();
|
|
|
|
if (this.reopenTimeout) {
|
|
clearTimeout(this.reopenTimeout);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Sends a packet
|
|
*
|
|
* @param {Object} packet object.
|
|
* @api private
|
|
*/
|
|
|
|
Transport.prototype.packet = function (packet) {
|
|
this.send(io.parser.encodePacket(packet));
|
|
};
|
|
|
|
/**
|
|
* Send the received heartbeat message back to server. So the server
|
|
* knows we are still connected.
|
|
*
|
|
* @param {String} heartbeat Heartbeat response from the server.
|
|
* @api private
|
|
*/
|
|
|
|
Transport.prototype.onHeartbeat = function (heartbeat) {
|
|
this.packet({ type: 'heartbeat' });
|
|
};
|
|
|
|
/**
|
|
* Called when the transport opens.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Transport.prototype.onOpen = function () {
|
|
this.isOpen = true;
|
|
this.clearCloseTimeout();
|
|
this.socket.onOpen();
|
|
};
|
|
|
|
/**
|
|
* Notifies the base when the connection with the Socket.IO server
|
|
* has been disconnected.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Transport.prototype.onClose = function () {
|
|
var self = this;
|
|
|
|
/* FIXME: reopen delay causing a infinit loop
|
|
this.reopenTimeout = setTimeout(function () {
|
|
self.open();
|
|
}, this.socket.options['reopen delay']);*/
|
|
|
|
this.isOpen = false;
|
|
this.socket.onClose();
|
|
this.onDisconnect();
|
|
};
|
|
|
|
/**
|
|
* Generates a connection url based on the Socket.IO URL Protocol.
|
|
* See <https://github.com/learnboost/socket.io-node/> for more details.
|
|
*
|
|
* @returns {String} Connection url
|
|
* @api private
|
|
*/
|
|
|
|
Transport.prototype.prepareUrl = function () {
|
|
var options = this.socket.options;
|
|
|
|
return this.scheme() + '://'
|
|
+ options.host + ':' + options.port + '/'
|
|
+ options.resource + '/' + io.protocol
|
|
+ '/' + this.name + '/' + this.sessid;
|
|
};
|
|
|
|
/**
|
|
* Checks if the transport is ready to start a connection.
|
|
*
|
|
* @param {Socket} socket The socket instance that needs a transport
|
|
* @param {Function} fn The callback
|
|
* @api private
|
|
*/
|
|
|
|
Transport.prototype.ready = function (socket, fn) {
|
|
fn.call(this);
|
|
};
|
|
})(
|
|
'undefined' != typeof io ? io : module.exports
|
|
, 'undefined' != typeof io ? io : module.parent.exports
|
|
);
|
|
/**
|
|
* socket.io
|
|
* Copyright(c) 2011 LearnBoost <dev@learnboost.com>
|
|
* MIT Licensed
|
|
*/
|
|
|
|
(function (exports, io, global) {
|
|
|
|
/**
|
|
* Expose constructor.
|
|
*/
|
|
|
|
exports.Socket = Socket;
|
|
|
|
/**
|
|
* Create a new `Socket.IO client` which can establish a persistent
|
|
* connection with a Socket.IO enabled server.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
function Socket (options) {
|
|
this.options = {
|
|
port: 80
|
|
, secure: false
|
|
, document: 'document' in global ? document : false
|
|
, resource: 'socket.io'
|
|
, transports: io.transports
|
|
, 'connect timeout': 10000
|
|
, 'try multiple transports': true
|
|
, 'reconnect': true
|
|
, 'reconnection delay': 500
|
|
, 'reconnection limit': Infinity
|
|
, 'reopen delay': 3000
|
|
, 'max reconnection attempts': 10
|
|
, 'sync disconnect on unload': false
|
|
, 'auto connect': true
|
|
, 'flash policy port': 10843
|
|
, 'manualFlush': false
|
|
};
|
|
|
|
io.util.merge(this.options, options);
|
|
|
|
this.connected = false;
|
|
this.open = false;
|
|
this.connecting = false;
|
|
this.reconnecting = false;
|
|
this.namespaces = {};
|
|
this.buffer = [];
|
|
this.doBuffer = false;
|
|
|
|
if (this.options['sync disconnect on unload'] &&
|
|
(!this.isXDomain() || io.util.ua.hasCORS)) {
|
|
var self = this;
|
|
io.util.on(global, 'beforeunload', function () {
|
|
self.disconnectSync();
|
|
}, false);
|
|
}
|
|
|
|
if (this.options['auto connect']) {
|
|
this.connect();
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Apply EventEmitter mixin.
|
|
*/
|
|
|
|
io.util.mixin(Socket, io.EventEmitter);
|
|
|
|
/**
|
|
* Returns a namespace listener/emitter for this socket
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
Socket.prototype.of = function (name) {
|
|
if (!this.namespaces[name]) {
|
|
this.namespaces[name] = new io.SocketNamespace(this, name);
|
|
|
|
if (name !== '') {
|
|
this.namespaces[name].packet({ type: 'connect' });
|
|
}
|
|
}
|
|
|
|
return this.namespaces[name];
|
|
};
|
|
|
|
/**
|
|
* Emits the given event to the Socket and all namespaces
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.publish = function () {
|
|
this.emit.apply(this, arguments);
|
|
|
|
var nsp;
|
|
|
|
for (var i in this.namespaces) {
|
|
if (this.namespaces.hasOwnProperty(i)) {
|
|
nsp = this.of(i);
|
|
nsp.$emit.apply(nsp, arguments);
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Performs the handshake
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
function empty () { };
|
|
|
|
Socket.prototype.handshake = function (fn) {
|
|
var self = this
|
|
, options = this.options;
|
|
|
|
function complete (data) {
|
|
if (data instanceof Error) {
|
|
self.connecting = false;
|
|
self.onError(data.message);
|
|
} else {
|
|
fn.apply(null, data.split(':'));
|
|
}
|
|
};
|
|
|
|
var url = [
|
|
'http' + (options.secure ? 's' : '') + ':/'
|
|
, options.host + ':' + options.port
|
|
, options.resource
|
|
, io.protocol
|
|
, io.util.query(this.options.query, 't=' + +new Date)
|
|
].join('/');
|
|
|
|
if (this.isXDomain() && !io.util.ua.hasCORS) {
|
|
var insertAt = document.getElementsByTagName('script')[0]
|
|
, script = document.createElement('script');
|
|
|
|
script.src = url + '&jsonp=' + io.j.length;
|
|
insertAt.parentNode.insertBefore(script, insertAt);
|
|
|
|
io.j.push(function (data) {
|
|
complete(data);
|
|
script.parentNode.removeChild(script);
|
|
});
|
|
} else {
|
|
var xhr = io.util.request();
|
|
|
|
xhr.open('GET', url, true);
|
|
if (this.isXDomain()) {
|
|
xhr.withCredentials = true;
|
|
}
|
|
xhr.onreadystatechange = function () {
|
|
if (xhr.readyState == 4) {
|
|
xhr.onreadystatechange = empty;
|
|
|
|
if (xhr.status == 200) {
|
|
complete(xhr.responseText);
|
|
} else if (xhr.status == 403) {
|
|
self.onError(xhr.responseText);
|
|
} else {
|
|
self.connecting = false;
|
|
!self.reconnecting && self.onError(xhr.responseText);
|
|
}
|
|
}
|
|
};
|
|
xhr.send(null);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Find an available transport based on the options supplied in the constructor.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.getTransport = function (override) {
|
|
var transports = override || this.transports, match;
|
|
|
|
for (var i = 0, transport; transport = transports[i]; i++) {
|
|
if (io.Transport[transport]
|
|
&& io.Transport[transport].check(this)
|
|
&& (!this.isXDomain() || io.Transport[transport].xdomainCheck(this))) {
|
|
return new io.Transport[transport](this, this.sessionid);
|
|
}
|
|
}
|
|
|
|
return null;
|
|
};
|
|
|
|
/**
|
|
* Connects to the server.
|
|
*
|
|
* @param {Function} [fn] Callback.
|
|
* @returns {io.Socket}
|
|
* @api public
|
|
*/
|
|
|
|
Socket.prototype.connect = function (fn) {
|
|
if (this.connecting) {
|
|
return this;
|
|
}
|
|
|
|
var self = this;
|
|
self.connecting = true;
|
|
|
|
this.handshake(function (sid, heartbeat, close, transports) {
|
|
self.sessionid = sid;
|
|
self.closeTimeout = close * 1000;
|
|
self.heartbeatTimeout = heartbeat * 1000;
|
|
if(!self.transports)
|
|
self.transports = self.origTransports = (transports ? io.util.intersect(
|
|
transports.split(',')
|
|
, self.options.transports
|
|
) : self.options.transports);
|
|
|
|
self.setHeartbeatTimeout();
|
|
|
|
function connect (transports){
|
|
if (self.transport) self.transport.clearTimeouts();
|
|
|
|
self.transport = self.getTransport(transports);
|
|
if (!self.transport) return self.publish('connect_failed');
|
|
|
|
// once the transport is ready
|
|
self.transport.ready(self, function () {
|
|
self.connecting = true;
|
|
self.publish('connecting', self.transport.name);
|
|
self.transport.open();
|
|
|
|
if (self.options['connect timeout']) {
|
|
self.connectTimeoutTimer = setTimeout(function () {
|
|
if (!self.connected) {
|
|
self.connecting = false;
|
|
|
|
if (self.options['try multiple transports']) {
|
|
var remaining = self.transports;
|
|
|
|
while (remaining.length > 0 && remaining.splice(0,1)[0] !=
|
|
self.transport.name) {}
|
|
|
|
if (remaining.length){
|
|
connect(remaining);
|
|
} else {
|
|
self.publish('connect_failed');
|
|
}
|
|
}
|
|
}
|
|
}, self.options['connect timeout']);
|
|
}
|
|
});
|
|
}
|
|
|
|
connect(self.transports);
|
|
|
|
self.once('connect', function (){
|
|
clearTimeout(self.connectTimeoutTimer);
|
|
|
|
fn && typeof fn == 'function' && fn();
|
|
});
|
|
});
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Clears and sets a new heartbeat timeout using the value given by the
|
|
* server during the handshake.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.setHeartbeatTimeout = function () {
|
|
clearTimeout(this.heartbeatTimeoutTimer);
|
|
if(this.transport && !this.transport.heartbeats()) return;
|
|
|
|
var self = this;
|
|
this.heartbeatTimeoutTimer = setTimeout(function () {
|
|
self.transport.onClose();
|
|
}, this.heartbeatTimeout);
|
|
};
|
|
|
|
/**
|
|
* Sends a message.
|
|
*
|
|
* @param {Object} data packet.
|
|
* @returns {io.Socket}
|
|
* @api public
|
|
*/
|
|
|
|
Socket.prototype.packet = function (data) {
|
|
if (this.connected && !this.doBuffer) {
|
|
this.transport.packet(data);
|
|
} else {
|
|
this.buffer.push(data);
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Sets buffer state
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.setBuffer = function (v) {
|
|
this.doBuffer = v;
|
|
|
|
if (!v && this.connected && this.buffer.length) {
|
|
if (!this.options['manualFlush']) {
|
|
this.flushBuffer();
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Flushes the buffer data over the wire.
|
|
* To be invoked manually when 'manualFlush' is set to true.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
Socket.prototype.flushBuffer = function() {
|
|
this.transport.payload(this.buffer);
|
|
this.buffer = [];
|
|
};
|
|
|
|
|
|
/**
|
|
* Disconnect the established connect.
|
|
*
|
|
* @returns {io.Socket}
|
|
* @api public
|
|
*/
|
|
|
|
Socket.prototype.disconnect = function () {
|
|
if (this.connected || this.connecting) {
|
|
if (this.open) {
|
|
this.of('').packet({ type: 'disconnect' });
|
|
}
|
|
|
|
// handle disconnection immediately
|
|
this.onDisconnect('booted');
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Disconnects the socket with a sync XHR.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.disconnectSync = function () {
|
|
// ensure disconnection
|
|
var xhr = io.util.request();
|
|
var uri = [
|
|
'http' + (this.options.secure ? 's' : '') + ':/'
|
|
, this.options.host + ':' + this.options.port
|
|
, this.options.resource
|
|
, io.protocol
|
|
, ''
|
|
, this.sessionid
|
|
].join('/') + '/?disconnect=1';
|
|
|
|
xhr.open('GET', uri, false);
|
|
xhr.send(null);
|
|
|
|
// handle disconnection immediately
|
|
this.onDisconnect('booted');
|
|
};
|
|
|
|
/**
|
|
* Check if we need to use cross domain enabled transports. Cross domain would
|
|
* be a different port or different domain name.
|
|
*
|
|
* @returns {Boolean}
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.isXDomain = function () {
|
|
|
|
var port = global.location.port ||
|
|
('https:' == global.location.protocol ? 443 : 80);
|
|
|
|
return this.options.host !== global.location.hostname
|
|
|| this.options.port != port;
|
|
};
|
|
|
|
/**
|
|
* Called upon handshake.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.onConnect = function () {
|
|
if (!this.connected) {
|
|
this.connected = true;
|
|
this.connecting = false;
|
|
if (!this.doBuffer) {
|
|
// make sure to flush the buffer
|
|
this.setBuffer(false);
|
|
}
|
|
this.emit('connect');
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Called when the transport opens
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.onOpen = function () {
|
|
this.open = true;
|
|
};
|
|
|
|
/**
|
|
* Called when the transport closes.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.onClose = function () {
|
|
this.open = false;
|
|
clearTimeout(this.heartbeatTimeoutTimer);
|
|
};
|
|
|
|
/**
|
|
* Called when the transport first opens a connection
|
|
*
|
|
* @param text
|
|
*/
|
|
|
|
Socket.prototype.onPacket = function (packet) {
|
|
this.of(packet.endpoint).onPacket(packet);
|
|
};
|
|
|
|
/**
|
|
* Handles an error.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.onError = function (err) {
|
|
if (err && err.advice) {
|
|
if (err.advice === 'reconnect' && (this.connected || this.connecting)) {
|
|
this.disconnect();
|
|
if (this.options.reconnect) {
|
|
this.reconnect();
|
|
}
|
|
}
|
|
}
|
|
|
|
this.publish('error', err && err.reason ? err.reason : err);
|
|
};
|
|
|
|
/**
|
|
* Called when the transport disconnects.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.onDisconnect = function (reason) {
|
|
var wasConnected = this.connected
|
|
, wasConnecting = this.connecting;
|
|
|
|
this.connected = false;
|
|
this.connecting = false;
|
|
this.open = false;
|
|
|
|
if (wasConnected || wasConnecting) {
|
|
this.transport.close();
|
|
this.transport.clearTimeouts();
|
|
if (wasConnected) {
|
|
this.publish('disconnect', reason);
|
|
|
|
if ('booted' != reason && this.options.reconnect && !this.reconnecting) {
|
|
this.reconnect();
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Called upon reconnection.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.reconnect = function () {
|
|
this.reconnecting = true;
|
|
this.reconnectionAttempts = 0;
|
|
this.reconnectionDelay = this.options['reconnection delay'];
|
|
|
|
var self = this
|
|
, maxAttempts = this.options['max reconnection attempts']
|
|
, tryMultiple = this.options['try multiple transports']
|
|
, limit = this.options['reconnection limit'];
|
|
|
|
function reset () {
|
|
if (self.connected) {
|
|
for (var i in self.namespaces) {
|
|
if (self.namespaces.hasOwnProperty(i) && '' !== i) {
|
|
self.namespaces[i].packet({ type: 'connect' });
|
|
}
|
|
}
|
|
self.publish('reconnect', self.transport.name, self.reconnectionAttempts);
|
|
}
|
|
|
|
clearTimeout(self.reconnectionTimer);
|
|
|
|
self.removeListener('connect_failed', maybeReconnect);
|
|
self.removeListener('connect', maybeReconnect);
|
|
|
|
self.reconnecting = false;
|
|
|
|
delete self.reconnectionAttempts;
|
|
delete self.reconnectionDelay;
|
|
delete self.reconnectionTimer;
|
|
delete self.redoTransports;
|
|
|
|
self.options['try multiple transports'] = tryMultiple;
|
|
};
|
|
|
|
function maybeReconnect () {
|
|
if (!self.reconnecting) {
|
|
return;
|
|
}
|
|
|
|
if (self.connected) {
|
|
return reset();
|
|
};
|
|
|
|
if (self.connecting && self.reconnecting) {
|
|
return self.reconnectionTimer = setTimeout(maybeReconnect, 1000);
|
|
}
|
|
|
|
if (self.reconnectionAttempts++ >= maxAttempts) {
|
|
if (!self.redoTransports) {
|
|
self.on('connect_failed', maybeReconnect);
|
|
self.options['try multiple transports'] = true;
|
|
self.transports = self.origTransports;
|
|
self.transport = self.getTransport();
|
|
self.redoTransports = true;
|
|
self.connect();
|
|
} else {
|
|
self.publish('reconnect_failed');
|
|
reset();
|
|
}
|
|
} else {
|
|
if (self.reconnectionDelay < limit) {
|
|
self.reconnectionDelay *= 2; // exponential back off
|
|
}
|
|
|
|
self.connect();
|
|
self.publish('reconnecting', self.reconnectionDelay, self.reconnectionAttempts);
|
|
self.reconnectionTimer = setTimeout(maybeReconnect, self.reconnectionDelay);
|
|
}
|
|
};
|
|
|
|
this.options['try multiple transports'] = false;
|
|
this.reconnectionTimer = setTimeout(maybeReconnect, this.reconnectionDelay);
|
|
|
|
this.on('connect', maybeReconnect);
|
|
};
|
|
|
|
})(
|
|
'undefined' != typeof io ? io : module.exports
|
|
, 'undefined' != typeof io ? io : module.parent.exports
|
|
, this
|
|
);
|
|
/**
|
|
* socket.io
|
|
* Copyright(c) 2011 LearnBoost <dev@learnboost.com>
|
|
* MIT Licensed
|
|
*/
|
|
|
|
(function (exports, io) {
|
|
|
|
/**
|
|
* Expose constructor.
|
|
*/
|
|
|
|
exports.SocketNamespace = SocketNamespace;
|
|
|
|
/**
|
|
* Socket namespace constructor.
|
|
*
|
|
* @constructor
|
|
* @api public
|
|
*/
|
|
|
|
function SocketNamespace (socket, name) {
|
|
this.socket = socket;
|
|
this.name = name || '';
|
|
this.flags = {};
|
|
this.json = new Flag(this, 'json');
|
|
this.ackPackets = 0;
|
|
this.acks = {};
|
|
};
|
|
|
|
/**
|
|
* Apply EventEmitter mixin.
|
|
*/
|
|
|
|
io.util.mixin(SocketNamespace, io.EventEmitter);
|
|
|
|
/**
|
|
* Copies emit since we override it
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
SocketNamespace.prototype.$emit = io.EventEmitter.prototype.emit;
|
|
|
|
/**
|
|
* Creates a new namespace, by proxying the request to the socket. This
|
|
* allows us to use the synax as we do on the server.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
SocketNamespace.prototype.of = function () {
|
|
return this.socket.of.apply(this.socket, arguments);
|
|
};
|
|
|
|
/**
|
|
* Sends a packet.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
SocketNamespace.prototype.packet = function (packet) {
|
|
packet.endpoint = this.name;
|
|
this.socket.packet(packet);
|
|
this.flags = {};
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Sends a message
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
SocketNamespace.prototype.send = function (data, fn) {
|
|
var packet = {
|
|
type: this.flags.json ? 'json' : 'message'
|
|
, data: data
|
|
};
|
|
|
|
if ('function' == typeof fn) {
|
|
packet.id = ++this.ackPackets;
|
|
packet.ack = true;
|
|
this.acks[packet.id] = fn;
|
|
}
|
|
|
|
return this.packet(packet);
|
|
};
|
|
|
|
/**
|
|
* Emits an event
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
SocketNamespace.prototype.emit = function (name) {
|
|
var args = Array.prototype.slice.call(arguments, 1)
|
|
, lastArg = args[args.length - 1]
|
|
, packet = {
|
|
type: 'event'
|
|
, name: name
|
|
};
|
|
|
|
if ('function' == typeof lastArg) {
|
|
packet.id = ++this.ackPackets;
|
|
packet.ack = 'data';
|
|
this.acks[packet.id] = lastArg;
|
|
args = args.slice(0, args.length - 1);
|
|
}
|
|
|
|
packet.args = args;
|
|
|
|
return this.packet(packet);
|
|
};
|
|
|
|
/**
|
|
* Disconnects the namespace
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
SocketNamespace.prototype.disconnect = function () {
|
|
if (this.name === '') {
|
|
this.socket.disconnect();
|
|
} else {
|
|
this.packet({ type: 'disconnect' });
|
|
this.$emit('disconnect');
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Handles a packet
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
SocketNamespace.prototype.onPacket = function (packet) {
|
|
var self = this;
|
|
|
|
function ack () {
|
|
self.packet({
|
|
type: 'ack'
|
|
, args: io.util.toArray(arguments)
|
|
, ackId: packet.id
|
|
});
|
|
};
|
|
|
|
switch (packet.type) {
|
|
case 'connect':
|
|
this.$emit('connect');
|
|
break;
|
|
|
|
case 'disconnect':
|
|
if (this.name === '') {
|
|
this.socket.onDisconnect(packet.reason || 'booted');
|
|
} else {
|
|
this.$emit('disconnect', packet.reason);
|
|
}
|
|
break;
|
|
|
|
case 'message':
|
|
case 'json':
|
|
var params = ['message', packet.data];
|
|
|
|
if (packet.ack == 'data') {
|
|
params.push(ack);
|
|
} else if (packet.ack) {
|
|
this.packet({ type: 'ack', ackId: packet.id });
|
|
}
|
|
|
|
this.$emit.apply(this, params);
|
|
break;
|
|
|
|
case 'event':
|
|
var params = [packet.name].concat(packet.args);
|
|
|
|
if (packet.ack == 'data')
|
|
params.push(ack);
|
|
|
|
this.$emit.apply(this, params);
|
|
break;
|
|
|
|
case 'ack':
|
|
if (this.acks[packet.ackId]) {
|
|
this.acks[packet.ackId].apply(this, packet.args);
|
|
delete this.acks[packet.ackId];
|
|
}
|
|
break;
|
|
|
|
case 'error':
|
|
if (packet.advice){
|
|
this.socket.onError(packet);
|
|
} else {
|
|
if (packet.reason == 'unauthorized') {
|
|
this.$emit('connect_failed', packet.reason);
|
|
} else {
|
|
this.$emit('error', packet.reason);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Flag interface.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
function Flag (nsp, name) {
|
|
this.namespace = nsp;
|
|
this.name = name;
|
|
};
|
|
|
|
/**
|
|
* Send a message
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
Flag.prototype.send = function () {
|
|
this.namespace.flags[this.name] = true;
|
|
this.namespace.send.apply(this.namespace, arguments);
|
|
};
|
|
|
|
/**
|
|
* Emit an event
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
Flag.prototype.emit = function () {
|
|
this.namespace.flags[this.name] = true;
|
|
this.namespace.emit.apply(this.namespace, arguments);
|
|
};
|
|
|
|
})(
|
|
'undefined' != typeof io ? io : module.exports
|
|
, 'undefined' != typeof io ? io : module.parent.exports
|
|
);
|
|
|
|
/**
|
|
* socket.io
|
|
* Copyright(c) 2011 LearnBoost <dev@learnboost.com>
|
|
* MIT Licensed
|
|
*/
|
|
|
|
(function (exports, io, global) {
|
|
|
|
/**
|
|
* Expose constructor.
|
|
*/
|
|
|
|
exports.websocket = WS;
|
|
|
|
/**
|
|
* The WebSocket transport uses the HTML5 WebSocket API to establish an
|
|
* persistent connection with the Socket.IO server. This transport will also
|
|
* be inherited by the FlashSocket fallback as it provides a API compatible
|
|
* polyfill for the WebSockets.
|
|
*
|
|
* @constructor
|
|
* @extends {io.Transport}
|
|
* @api public
|
|
*/
|
|
|
|
function WS (socket) {
|
|
io.Transport.apply(this, arguments);
|
|
};
|
|
|
|
/**
|
|
* Inherits from Transport.
|
|
*/
|
|
|
|
io.util.inherit(WS, io.Transport);
|
|
|
|
/**
|
|
* Transport name
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
WS.prototype.name = 'websocket';
|
|
|
|
/**
|
|
* Initializes a new `WebSocket` connection with the Socket.IO server. We attach
|
|
* all the appropriate listeners to handle the responses from the server.
|
|
*
|
|
* @returns {Transport}
|
|
* @api public
|
|
*/
|
|
|
|
WS.prototype.open = function () {
|
|
var query = io.util.query(this.socket.options.query)
|
|
, self = this
|
|
, Socket
|
|
|
|
|
|
if (!Socket) {
|
|
Socket = global.MozWebSocket || global.WebSocket;
|
|
}
|
|
|
|
this.websocket = new Socket(this.prepareUrl() + query);
|
|
|
|
this.websocket.onopen = function () {
|
|
self.onOpen();
|
|
self.socket.setBuffer(false);
|
|
};
|
|
this.websocket.onmessage = function (ev) {
|
|
self.onData(ev.data);
|
|
};
|
|
this.websocket.onclose = function () {
|
|
self.onClose();
|
|
self.socket.setBuffer(true);
|
|
};
|
|
this.websocket.onerror = function (e) {
|
|
self.onError(e);
|
|
};
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Send a message to the Socket.IO server. The message will automatically be
|
|
* encoded in the correct message format.
|
|
*
|
|
* @returns {Transport}
|
|
* @api public
|
|
*/
|
|
|
|
// Do to a bug in the current IDevices browser, we need to wrap the send in a
|
|
// setTimeout, when they resume from sleeping the browser will crash if
|
|
// we don't allow the browser time to detect the socket has been closed
|
|
if (io.util.ua.iDevice) {
|
|
WS.prototype.send = function (data) {
|
|
var self = this;
|
|
setTimeout(function() {
|
|
self.websocket.send(data);
|
|
},0);
|
|
return this;
|
|
};
|
|
} else {
|
|
WS.prototype.send = function (data) {
|
|
this.websocket.send(data);
|
|
return this;
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Payload
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
WS.prototype.payload = function (arr) {
|
|
for (var i = 0, l = arr.length; i < l; i++) {
|
|
this.packet(arr[i]);
|
|
}
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Disconnect the established `WebSocket` connection.
|
|
*
|
|
* @returns {Transport}
|
|
* @api public
|
|
*/
|
|
|
|
WS.prototype.close = function () {
|
|
this.websocket.close();
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Handle the errors that `WebSocket` might be giving when we
|
|
* are attempting to connect or send messages.
|
|
*
|
|
* @param {Error} e The error.
|
|
* @api private
|
|
*/
|
|
|
|
WS.prototype.onError = function (e) {
|
|
this.socket.onError(e);
|
|
};
|
|
|
|
/**
|
|
* Returns the appropriate scheme for the URI generation.
|
|
*
|
|
* @api private
|
|
*/
|
|
WS.prototype.scheme = function () {
|
|
return this.socket.options.secure ? 'wss' : 'ws';
|
|
};
|
|
|
|
/**
|
|
* Checks if the browser has support for native `WebSockets` and that
|
|
* it's not the polyfill created for the FlashSocket transport.
|
|
*
|
|
* @return {Boolean}
|
|
* @api public
|
|
*/
|
|
|
|
WS.check = function () {
|
|
return ('WebSocket' in global && !('__addTask' in WebSocket))
|
|
|| 'MozWebSocket' in global;
|
|
};
|
|
|
|
/**
|
|
* Check if the `WebSocket` transport support cross domain communications.
|
|
*
|
|
* @returns {Boolean}
|
|
* @api public
|
|
*/
|
|
|
|
WS.xdomainCheck = function () {
|
|
return true;
|
|
};
|
|
|
|
/**
|
|
* Add the transport to your public io.transports array.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
io.transports.push('websocket');
|
|
|
|
})(
|
|
'undefined' != typeof io ? io.Transport : module.exports
|
|
, 'undefined' != typeof io ? io : module.parent.exports
|
|
, this
|
|
);
|
|
|
|
/**
|
|
* socket.io
|
|
* Copyright(c) 2011 LearnBoost <dev@learnboost.com>
|
|
* MIT Licensed
|
|
*/
|
|
|
|
(function (exports, io) {
|
|
|
|
/**
|
|
* Expose constructor.
|
|
*/
|
|
|
|
exports.flashsocket = Flashsocket;
|
|
|
|
/**
|
|
* The FlashSocket transport. This is a API wrapper for the HTML5 WebSocket
|
|
* specification. It uses a .swf file to communicate with the server. If you want
|
|
* to serve the .swf file from a other server than where the Socket.IO script is
|
|
* coming from you need to use the insecure version of the .swf. More information
|
|
* about this can be found on the github page.
|
|
*
|
|
* @constructor
|
|
* @extends {io.Transport.websocket}
|
|
* @api public
|
|
*/
|
|
|
|
function Flashsocket () {
|
|
io.Transport.websocket.apply(this, arguments);
|
|
};
|
|
|
|
/**
|
|
* Inherits from Transport.
|
|
*/
|
|
|
|
io.util.inherit(Flashsocket, io.Transport.websocket);
|
|
|
|
/**
|
|
* Transport name
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
Flashsocket.prototype.name = 'flashsocket';
|
|
|
|
/**
|
|
* Disconnect the established `FlashSocket` connection. This is done by adding a
|
|
* new task to the FlashSocket. The rest will be handled off by the `WebSocket`
|
|
* transport.
|
|
*
|
|
* @returns {Transport}
|
|
* @api public
|
|
*/
|
|
|
|
Flashsocket.prototype.open = function () {
|
|
var self = this
|
|
, args = arguments;
|
|
|
|
WebSocket.__addTask(function () {
|
|
io.Transport.websocket.prototype.open.apply(self, args);
|
|
});
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Sends a message to the Socket.IO server. This is done by adding a new
|
|
* task to the FlashSocket. The rest will be handled off by the `WebSocket`
|
|
* transport.
|
|
*
|
|
* @returns {Transport}
|
|
* @api public
|
|
*/
|
|
|
|
Flashsocket.prototype.send = function () {
|
|
var self = this, args = arguments;
|
|
WebSocket.__addTask(function () {
|
|
io.Transport.websocket.prototype.send.apply(self, args);
|
|
});
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Disconnects the established `FlashSocket` connection.
|
|
*
|
|
* @returns {Transport}
|
|
* @api public
|
|
*/
|
|
|
|
Flashsocket.prototype.close = function () {
|
|
WebSocket.__tasks.length = 0;
|
|
io.Transport.websocket.prototype.close.call(this);
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* The WebSocket fall back needs to append the flash container to the body
|
|
* element, so we need to make sure we have access to it. Or defer the call
|
|
* until we are sure there is a body element.
|
|
*
|
|
* @param {Socket} socket The socket instance that needs a transport
|
|
* @param {Function} fn The callback
|
|
* @api private
|
|
*/
|
|
|
|
Flashsocket.prototype.ready = function (socket, fn) {
|
|
function init () {
|
|
var options = socket.options
|
|
, port = options['flash policy port']
|
|
, path = [
|
|
'http' + (options.secure ? 's' : '') + ':/'
|
|
, options.host + ':' + options.port
|
|
, options.resource
|
|
, 'static/flashsocket'
|
|
, 'WebSocketMain' + (socket.isXDomain() ? 'Insecure' : '') + '.swf'
|
|
];
|
|
|
|
// Only start downloading the swf file when the checked that this browser
|
|
// actually supports it
|
|
if (!Flashsocket.loaded) {
|
|
if (typeof WEB_SOCKET_SWF_LOCATION === 'undefined') {
|
|
// Set the correct file based on the XDomain settings
|
|
WEB_SOCKET_SWF_LOCATION = path.join('/');
|
|
}
|
|
|
|
if (port !== 843) {
|
|
WebSocket.loadFlashPolicyFile('xmlsocket://' + options.host + ':' + port);
|
|
}
|
|
|
|
WebSocket.__initialize();
|
|
Flashsocket.loaded = true;
|
|
}
|
|
|
|
fn.call(self);
|
|
}
|
|
|
|
var self = this;
|
|
if (document.body) return init();
|
|
|
|
io.util.load(init);
|
|
};
|
|
|
|
/**
|
|
* Check if the FlashSocket transport is supported as it requires that the Adobe
|
|
* Flash Player plug-in version `10.0.0` or greater is installed. And also check if
|
|
* the polyfill is correctly loaded.
|
|
*
|
|
* @returns {Boolean}
|
|
* @api public
|
|
*/
|
|
|
|
Flashsocket.check = function () {
|
|
if (
|
|
typeof WebSocket == 'undefined'
|
|
|| !('__initialize' in WebSocket) || !swfobject
|
|
) return false;
|
|
|
|
return swfobject.getFlashPlayerVersion().major >= 10;
|
|
};
|
|
|
|
/**
|
|
* Check if the FlashSocket transport can be used as cross domain / cross origin
|
|
* transport. Because we can't see which type (secure or insecure) of .swf is used
|
|
* we will just return true.
|
|
*
|
|
* @returns {Boolean}
|
|
* @api public
|
|
*/
|
|
|
|
Flashsocket.xdomainCheck = function () {
|
|
return true;
|
|
};
|
|
|
|
/**
|
|
* Disable AUTO_INITIALIZATION
|
|
*/
|
|
|
|
if (typeof window != 'undefined') {
|
|
WEB_SOCKET_DISABLE_AUTO_INITIALIZATION = true;
|
|
}
|
|
|
|
/**
|
|
* Add the transport to your public io.transports array.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
io.transports.push('flashsocket');
|
|
})(
|
|
'undefined' != typeof io ? io.Transport : module.exports
|
|
, 'undefined' != typeof io ? io : module.parent.exports
|
|
);
|
|
/* SWFObject v2.2 <http://code.google.com/p/swfobject/>
|
|
is released under the MIT License <http://www.opensource.org/licenses/mit-license.php>
|
|
*/
|
|
if ('undefined' != typeof window) {
|
|
var swfobject=function(){var D="undefined",r="object",S="Shockwave Flash",W="ShockwaveFlash.ShockwaveFlash",q="application/x-shockwave-flash",R="SWFObjectExprInst",x="onreadystatechange",O=window,j=document,t=navigator,T=false,U=[h],o=[],N=[],I=[],l,Q,E,B,J=false,a=false,n,G,m=true,M=function(){var aa=typeof j.getElementById!=D&&typeof j.getElementsByTagName!=D&&typeof j.createElement!=D,ah=t.userAgent.toLowerCase(),Y=t.platform.toLowerCase(),ae=Y?/win/.test(Y):/win/.test(ah),ac=Y?/mac/.test(Y):/mac/.test(ah),af=/webkit/.test(ah)?parseFloat(ah.replace(/^.*webkit\/(\d+(\.\d+)?).*$/,"$1")):false,X=!+"\v1",ag=[0,0,0],ab=null;if(typeof t.plugins!=D&&typeof t.plugins[S]==r){ab=t.plugins[S].description;if(ab&&!(typeof t.mimeTypes!=D&&t.mimeTypes[q]&&!t.mimeTypes[q].enabledPlugin)){T=true;X=false;ab=ab.replace(/^.*\s+(\S+\s+\S+$)/,"$1");ag[0]=parseInt(ab.replace(/^(.*)\..*$/,"$1"),10);ag[1]=parseInt(ab.replace(/^.*\.(.*)\s.*$/,"$1"),10);ag[2]=/[a-zA-Z]/.test(ab)?parseInt(ab.replace(/^.*[a-zA-Z]+(.*)$/,"$1"),10):0}}else{if(typeof O[(['Active'].concat('Object').join('X'))]!=D){try{var ad=new window[(['Active'].concat('Object').join('X'))](W);if(ad){ab=ad.GetVariable("$version");if(ab){X=true;ab=ab.split(" ")[1].split(",");ag=[parseInt(ab[0],10),parseInt(ab[1],10),parseInt(ab[2],10)]}}}catch(Z){}}}return{w3:aa,pv:ag,wk:af,ie:X,win:ae,mac:ac}}(),k=function(){if(!M.w3){return}if((typeof j.readyState!=D&&j.readyState=="complete")||(typeof j.readyState==D&&(j.getElementsByTagName("body")[0]||j.body))){f()}if(!J){if(typeof j.addEventListener!=D){j.addEventListener("DOMContentLoaded",f,false)}if(M.ie&&M.win){j.attachEvent(x,function(){if(j.readyState=="complete"){j.detachEvent(x,arguments.callee);f()}});if(O==top){(function(){if(J){return}try{j.documentElement.doScroll("left")}catch(X){setTimeout(arguments.callee,0);return}f()})()}}if(M.wk){(function(){if(J){return}if(!/loaded|complete/.test(j.readyState)){setTimeout(arguments.callee,0);return}f()})()}s(f)}}();function f(){if(J){return}try{var Z=j.getElementsByTagName("body")[0].appendChild(C("span"));Z.parentNode.removeChild(Z)}catch(aa){return}J=true;var X=U.length;for(var Y=0;Y<X;Y++){U[Y]()}}function K(X){if(J){X()}else{U[U.length]=X}}function s(Y){if(typeof O.addEventListener!=D){O.addEventListener("load",Y,false)}else{if(typeof j.addEventListener!=D){j.addEventListener("load",Y,false)}else{if(typeof O.attachEvent!=D){i(O,"onload",Y)}else{if(typeof O.onload=="function"){var X=O.onload;O.onload=function(){X();Y()}}else{O.onload=Y}}}}}function h(){if(T){V()}else{H()}}function V(){var X=j.getElementsByTagName("body")[0];var aa=C(r);aa.setAttribute("type",q);var Z=X.appendChild(aa);if(Z){var Y=0;(function(){if(typeof Z.GetVariable!=D){var ab=Z.GetVariable("$version");if(ab){ab=ab.split(" ")[1].split(",");M.pv=[parseInt(ab[0],10),parseInt(ab[1],10),parseInt(ab[2],10)]}}else{if(Y<10){Y++;setTimeout(arguments.callee,10);return}}X.removeChild(aa);Z=null;H()})()}else{H()}}function H(){var ag=o.length;if(ag>0){for(var af=0;af<ag;af++){var Y=o[af].id;var ab=o[af].callbackFn;var aa={success:false,id:Y};if(M.pv[0]>0){var ae=c(Y);if(ae){if(F(o[af].swfVersion)&&!(M.wk&&M.wk<312)){w(Y,true);if(ab){aa.success=true;aa.ref=z(Y);ab(aa)}}else{if(o[af].expressInstall&&A()){var ai={};ai.data=o[af].expressInstall;ai.width=ae.getAttribute("width")||"0";ai.height=ae.getAttribute("height")||"0";if(ae.getAttribute("class")){ai.styleclass=ae.getAttribute("class")}if(ae.getAttribute("align")){ai.align=ae.getAttribute("align")}var ah={};var X=ae.getElementsByTagName("param");var ac=X.length;for(var ad=0;ad<ac;ad++){if(X[ad].getAttribute("name").toLowerCase()!="movie"){ah[X[ad].getAttribute("name")]=X[ad].getAttribute("value")}}P(ai,ah,Y,ab)}else{p(ae);if(ab){ab(aa)}}}}}else{w(Y,true);if(ab){var Z=z(Y);if(Z&&typeof Z.SetVariable!=D){aa.success=true;aa.ref=Z}ab(aa)}}}}}function z(aa){var X=null;var Y=c(aa);if(Y&&Y.nodeName=="OBJECT"){if(typeof Y.SetVariable!=D){X=Y}else{var Z=Y.getElementsByTagName(r)[0];if(Z){X=Z}}}return X}function A(){return !a&&F("6.0.65")&&(M.win||M.mac)&&!(M.wk&&M.wk<312)}function P(aa,ab,X,Z){a=true;E=Z||null;B={success:false,id:X};var ae=c(X);if(ae){if(ae.nodeName=="OBJECT"){l=g(ae);Q=null}else{l=ae;Q=X}aa.id=R;if(typeof aa.width==D||(!/%$/.test(aa.width)&&parseInt(aa.width,10)<310)){aa.width="310"}if(typeof aa.height==D||(!/%$/.test(aa.height)&&parseInt(aa.height,10)<137)){aa.height="137"}j.title=j.title.slice(0,47)+" - Flash Player Installation";var ad=M.ie&&M.win?(['Active'].concat('').join('X')):"PlugIn",ac="MMredirectURL="+O.location.toString().replace(/&/g,"%26")+"&MMplayerType="+ad+"&MMdoctitle="+j.title;if(typeof ab.flashvars!=D){ab.flashvars+="&"+ac}else{ab.flashvars=ac}if(M.ie&&M.win&&ae.readyState!=4){var Y=C("div");X+="SWFObjectNew";Y.setAttribute("id",X);ae.parentNode.insertBefore(Y,ae);ae.style.display="none";(function(){if(ae.readyState==4){ae.parentNode.removeChild(ae)}else{setTimeout(arguments.callee,10)}})()}u(aa,ab,X)}}function p(Y){if(M.ie&&M.win&&Y.readyState!=4){var X=C("div");Y.parentNode.insertBefore(X,Y);X.parentNode.replaceChild(g(Y),X);Y.style.display="none";(function(){if(Y.readyState==4){Y.parentNode.removeChild(Y)}else{setTimeout(arguments.callee,10)}})()}else{Y.parentNode.replaceChild(g(Y),Y)}}function g(ab){var aa=C("div");if(M.win&&M.ie){aa.innerHTML=ab.innerHTML}else{var Y=ab.getElementsByTagName(r)[0];if(Y){var ad=Y.childNodes;if(ad){var X=ad.length;for(var Z=0;Z<X;Z++){if(!(ad[Z].nodeType==1&&ad[Z].nodeName=="PARAM")&&!(ad[Z].nodeType==8)){aa.appendChild(ad[Z].cloneNode(true))}}}}}return aa}function u(ai,ag,Y){var X,aa=c(Y);if(M.wk&&M.wk<312){return X}if(aa){if(typeof ai.id==D){ai.id=Y}if(M.ie&&M.win){var ah="";for(var ae in ai){if(ai[ae]!=Object.prototype[ae]){if(ae.toLowerCase()=="data"){ag.movie=ai[ae]}else{if(ae.toLowerCase()=="styleclass"){ah+=' class="'+ai[ae]+'"'}else{if(ae.toLowerCase()!="classid"){ah+=" "+ae+'="'+ai[ae]+'"'}}}}}var af="";for(var ad in ag){if(ag[ad]!=Object.prototype[ad]){af+='<param name="'+ad+'" value="'+ag[ad]+'" />'}}aa.outerHTML='<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"'+ah+">"+af+"</object>";N[N.length]=ai.id;X=c(ai.id)}else{var Z=C(r);Z.setAttribute("type",q);for(var ac in ai){if(ai[ac]!=Object.prototype[ac]){if(ac.toLowerCase()=="styleclass"){Z.setAttribute("class",ai[ac])}else{if(ac.toLowerCase()!="classid"){Z.setAttribute(ac,ai[ac])}}}}for(var ab in ag){if(ag[ab]!=Object.prototype[ab]&&ab.toLowerCase()!="movie"){e(Z,ab,ag[ab])}}aa.parentNode.replaceChild(Z,aa);X=Z}}return X}function e(Z,X,Y){var aa=C("param");aa.setAttribute("name",X);aa.setAttribute("value",Y);Z.appendChild(aa)}function y(Y){var X=c(Y);if(X&&X.nodeName=="OBJECT"){if(M.ie&&M.win){X.style.display="none";(function(){if(X.readyState==4){b(Y)}else{setTimeout(arguments.callee,10)}})()}else{X.parentNode.removeChild(X)}}}function b(Z){var Y=c(Z);if(Y){for(var X in Y){if(typeof Y[X]=="function"){Y[X]=null}}Y.parentNode.removeChild(Y)}}function c(Z){var X=null;try{X=j.getElementById(Z)}catch(Y){}return X}function C(X){return j.createElement(X)}function i(Z,X,Y){Z.attachEvent(X,Y);I[I.length]=[Z,X,Y]}function F(Z){var Y=M.pv,X=Z.split(".");X[0]=parseInt(X[0],10);X[1]=parseInt(X[1],10)||0;X[2]=parseInt(X[2],10)||0;return(Y[0]>X[0]||(Y[0]==X[0]&&Y[1]>X[1])||(Y[0]==X[0]&&Y[1]==X[1]&&Y[2]>=X[2]))?true:false}function v(ac,Y,ad,ab){if(M.ie&&M.mac){return}var aa=j.getElementsByTagName("head")[0];if(!aa){return}var X=(ad&&typeof ad=="string")?ad:"screen";if(ab){n=null;G=null}if(!n||G!=X){var Z=C("style");Z.setAttribute("type","text/css");Z.setAttribute("media",X);n=aa.appendChild(Z);if(M.ie&&M.win&&typeof j.styleSheets!=D&&j.styleSheets.length>0){n=j.styleSheets[j.styleSheets.length-1]}G=X}if(M.ie&&M.win){if(n&&typeof n.addRule==r){n.addRule(ac,Y)}}else{if(n&&typeof j.createTextNode!=D){n.appendChild(j.createTextNode(ac+" {"+Y+"}"))}}}function w(Z,X){if(!m){return}var Y=X?"visible":"hidden";if(J&&c(Z)){c(Z).style.visibility=Y}else{v("#"+Z,"visibility:"+Y)}}function L(Y){var Z=/[\\\"<>\.;]/;var X=Z.exec(Y)!=null;return X&&typeof encodeURIComponent!=D?encodeURIComponent(Y):Y}var d=function(){if(M.ie&&M.win){window.attachEvent("onunload",function(){var ac=I.length;for(var ab=0;ab<ac;ab++){I[ab][0].detachEvent(I[ab][1],I[ab][2])}var Z=N.length;for(var aa=0;aa<Z;aa++){y(N[aa])}for(var Y in M){M[Y]=null}M=null;for(var X in swfobject){swfobject[X]=null}swfobject=null})}}();return{registerObject:function(ab,X,aa,Z){if(M.w3&&ab&&X){var Y={};Y.id=ab;Y.swfVersion=X;Y.expressInstall=aa;Y.callbackFn=Z;o[o.length]=Y;w(ab,false)}else{if(Z){Z({success:false,id:ab})}}},getObjectById:function(X){if(M.w3){return z(X)}},embedSWF:function(ab,ah,ae,ag,Y,aa,Z,ad,af,ac){var X={success:false,id:ah};if(M.w3&&!(M.wk&&M.wk<312)&&ab&&ah&&ae&&ag&&Y){w(ah,false);K(function(){ae+="";ag+="";var aj={};if(af&&typeof af===r){for(var al in af){aj[al]=af[al]}}aj.data=ab;aj.width=ae;aj.height=ag;var am={};if(ad&&typeof ad===r){for(var ak in ad){am[ak]=ad[ak]}}if(Z&&typeof Z===r){for(var ai in Z){if(typeof am.flashvars!=D){am.flashvars+="&"+ai+"="+Z[ai]}else{am.flashvars=ai+"="+Z[ai]}}}if(F(Y)){var an=u(aj,am,ah);if(aj.id==ah){w(ah,true)}X.success=true;X.ref=an}else{if(aa&&A()){aj.data=aa;P(aj,am,ah,ac);return}else{w(ah,true)}}if(ac){ac(X)}})}else{if(ac){ac(X)}}},switchOffAutoHideShow:function(){m=false},ua:M,getFlashPlayerVersion:function(){return{major:M.pv[0],minor:M.pv[1],release:M.pv[2]}},hasFlashPlayerVersion:F,createSWF:function(Z,Y,X){if(M.w3){return u(Z,Y,X)}else{return undefined}},showExpressInstall:function(Z,aa,X,Y){if(M.w3&&A()){P(Z,aa,X,Y)}},removeSWF:function(X){if(M.w3){y(X)}},createCSS:function(aa,Z,Y,X){if(M.w3){v(aa,Z,Y,X)}},addDomLoadEvent:K,addLoadEvent:s,getQueryParamValue:function(aa){var Z=j.location.search||j.location.hash;if(Z){if(/\?/.test(Z)){Z=Z.split("?")[1]}if(aa==null){return L(Z)}var Y=Z.split("&");for(var X=0;X<Y.length;X++){if(Y[X].substring(0,Y[X].indexOf("="))==aa){return L(Y[X].substring((Y[X].indexOf("=")+1)))}}}return""},expressInstallCallback:function(){if(a){var X=c(R);if(X&&l){X.parentNode.replaceChild(l,X);if(Q){w(Q,true);if(M.ie&&M.win){l.style.display="block"}}if(E){E(B)}}a=false}}}}();
|
|
}
|
|
// Copyright: Hiroshi Ichikawa <http://gimite.net/en/>
|
|
// License: New BSD License
|
|
// Reference: http://dev.w3.org/html5/websockets/
|
|
// Reference: http://tools.ietf.org/html/draft-hixie-thewebsocketprotocol
|
|
|
|
(function() {
|
|
|
|
if ('undefined' == typeof window || window.WebSocket) return;
|
|
|
|
var console = window.console;
|
|
if (!console || !console.log || !console.error) {
|
|
console = {log: function(){ }, error: function(){ }};
|
|
}
|
|
|
|
if (!swfobject.hasFlashPlayerVersion("10.0.0")) {
|
|
console.error("Flash Player >= 10.0.0 is required.");
|
|
return;
|
|
}
|
|
if (location.protocol == "file:") {
|
|
console.error(
|
|
"WARNING: web-socket-js doesn't work in file:///... URL " +
|
|
"unless you set Flash Security Settings properly. " +
|
|
"Open the page via Web server i.e. http://...");
|
|
}
|
|
|
|
/**
|
|
* This class represents a faux web socket.
|
|
* @param {string} url
|
|
* @param {array or string} protocols
|
|
* @param {string} proxyHost
|
|
* @param {int} proxyPort
|
|
* @param {string} headers
|
|
*/
|
|
WebSocket = function(url, protocols, proxyHost, proxyPort, headers) {
|
|
var self = this;
|
|
self.__id = WebSocket.__nextId++;
|
|
WebSocket.__instances[self.__id] = self;
|
|
self.readyState = WebSocket.CONNECTING;
|
|
self.bufferedAmount = 0;
|
|
self.__events = {};
|
|
if (!protocols) {
|
|
protocols = [];
|
|
} else if (typeof protocols == "string") {
|
|
protocols = [protocols];
|
|
}
|
|
// Uses setTimeout() to make sure __createFlash() runs after the caller sets ws.onopen etc.
|
|
// Otherwise, when onopen fires immediately, onopen is called before it is set.
|
|
setTimeout(function() {
|
|
WebSocket.__addTask(function() {
|
|
WebSocket.__flash.create(
|
|
self.__id, url, protocols, proxyHost || null, proxyPort || 0, headers || null);
|
|
});
|
|
}, 0);
|
|
};
|
|
|
|
/**
|
|
* Send data to the web socket.
|
|
* @param {string} data The data to send to the socket.
|
|
* @return {boolean} True for success, false for failure.
|
|
*/
|
|
WebSocket.prototype.send = function(data) {
|
|
if (this.readyState == WebSocket.CONNECTING) {
|
|
throw "INVALID_STATE_ERR: Web Socket connection has not been established";
|
|
}
|
|
// We use encodeURIComponent() here, because FABridge doesn't work if
|
|
// the argument includes some characters. We don't use escape() here
|
|
// because of this:
|
|
// https://developer.mozilla.org/en/Core_JavaScript_1.5_Guide/Functions#escape_and_unescape_Functions
|
|
// But it looks decodeURIComponent(encodeURIComponent(s)) doesn't
|
|
// preserve all Unicode characters either e.g. "\uffff" in Firefox.
|
|
// Note by wtritch: Hopefully this will not be necessary using ExternalInterface. Will require
|
|
// additional testing.
|
|
var result = WebSocket.__flash.send(this.__id, encodeURIComponent(data));
|
|
if (result < 0) { // success
|
|
return true;
|
|
} else {
|
|
this.bufferedAmount += result;
|
|
return false;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Close this web socket gracefully.
|
|
*/
|
|
WebSocket.prototype.close = function() {
|
|
if (this.readyState == WebSocket.CLOSED || this.readyState == WebSocket.CLOSING) {
|
|
return;
|
|
}
|
|
this.readyState = WebSocket.CLOSING;
|
|
WebSocket.__flash.close(this.__id);
|
|
};
|
|
|
|
/**
|
|
* Implementation of {@link <a href="http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-registration">DOM 2 EventTarget Interface</a>}
|
|
*
|
|
* @param {string} type
|
|
* @param {function} listener
|
|
* @param {boolean} useCapture
|
|
* @return void
|
|
*/
|
|
WebSocket.prototype.addEventListener = function(type, listener, useCapture) {
|
|
if (!(type in this.__events)) {
|
|
this.__events[type] = [];
|
|
}
|
|
this.__events[type].push(listener);
|
|
};
|
|
|
|
/**
|
|
* Implementation of {@link <a href="http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-registration">DOM 2 EventTarget Interface</a>}
|
|
*
|
|
* @param {string} type
|
|
* @param {function} listener
|
|
* @param {boolean} useCapture
|
|
* @return void
|
|
*/
|
|
WebSocket.prototype.removeEventListener = function(type, listener, useCapture) {
|
|
if (!(type in this.__events)) return;
|
|
var events = this.__events[type];
|
|
for (var i = events.length - 1; i >= 0; --i) {
|
|
if (events[i] === listener) {
|
|
events.splice(i, 1);
|
|
break;
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Implementation of {@link <a href="http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-registration">DOM 2 EventTarget Interface</a>}
|
|
*
|
|
* @param {Event} event
|
|
* @return void
|
|
*/
|
|
WebSocket.prototype.dispatchEvent = function(event) {
|
|
var events = this.__events[event.type] || [];
|
|
for (var i = 0; i < events.length; ++i) {
|
|
events[i](event);
|
|
}
|
|
var handler = this["on" + event.type];
|
|
if (handler) handler(event);
|
|
};
|
|
|
|
/**
|
|
* Handles an event from Flash.
|
|
* @param {Object} flashEvent
|
|
*/
|
|
WebSocket.prototype.__handleEvent = function(flashEvent) {
|
|
if ("readyState" in flashEvent) {
|
|
this.readyState = flashEvent.readyState;
|
|
}
|
|
if ("protocol" in flashEvent) {
|
|
this.protocol = flashEvent.protocol;
|
|
}
|
|
|
|
var jsEvent;
|
|
if (flashEvent.type == "open" || flashEvent.type == "error") {
|
|
jsEvent = this.__createSimpleEvent(flashEvent.type);
|
|
} else if (flashEvent.type == "close") {
|
|
// TODO implement jsEvent.wasClean
|
|
jsEvent = this.__createSimpleEvent("close");
|
|
} else if (flashEvent.type == "message") {
|
|
var data = decodeURIComponent(flashEvent.message);
|
|
jsEvent = this.__createMessageEvent("message", data);
|
|
} else {
|
|
throw "unknown event type: " + flashEvent.type;
|
|
}
|
|
|
|
this.dispatchEvent(jsEvent);
|
|
};
|
|
|
|
WebSocket.prototype.__createSimpleEvent = function(type) {
|
|
if (document.createEvent && window.Event) {
|
|
var event = document.createEvent("Event");
|
|
event.initEvent(type, false, false);
|
|
return event;
|
|
} else {
|
|
return {type: type, bubbles: false, cancelable: false};
|
|
}
|
|
};
|
|
|
|
WebSocket.prototype.__createMessageEvent = function(type, data) {
|
|
if (document.createEvent && window.MessageEvent && !window.opera) {
|
|
var event = document.createEvent("MessageEvent");
|
|
event.initMessageEvent("message", false, false, data, null, null, window, null);
|
|
return event;
|
|
} else {
|
|
// IE and Opera, the latter one truncates the data parameter after any 0x00 bytes.
|
|
return {type: type, data: data, bubbles: false, cancelable: false};
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Define the WebSocket readyState enumeration.
|
|
*/
|
|
WebSocket.CONNECTING = 0;
|
|
WebSocket.OPEN = 1;
|
|
WebSocket.CLOSING = 2;
|
|
WebSocket.CLOSED = 3;
|
|
|
|
WebSocket.__flash = null;
|
|
WebSocket.__instances = {};
|
|
WebSocket.__tasks = [];
|
|
WebSocket.__nextId = 0;
|
|
|
|
/**
|
|
* Load a new flash security policy file.
|
|
* @param {string} url
|
|
*/
|
|
WebSocket.loadFlashPolicyFile = function(url){
|
|
WebSocket.__addTask(function() {
|
|
WebSocket.__flash.loadManualPolicyFile(url);
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Loads WebSocketMain.swf and creates WebSocketMain object in Flash.
|
|
*/
|
|
WebSocket.__initialize = function() {
|
|
if (WebSocket.__flash) return;
|
|
|
|
if (WebSocket.__swfLocation) {
|
|
// For backword compatibility.
|
|
window.WEB_SOCKET_SWF_LOCATION = WebSocket.__swfLocation;
|
|
}
|
|
if (!window.WEB_SOCKET_SWF_LOCATION) {
|
|
console.error("[WebSocket] set WEB_SOCKET_SWF_LOCATION to location of WebSocketMain.swf");
|
|
return;
|
|
}
|
|
var container = document.createElement("div");
|
|
container.id = "webSocketContainer";
|
|
// Hides Flash box. We cannot use display: none or visibility: hidden because it prevents
|
|
// Flash from loading at least in IE. So we move it out of the screen at (-100, -100).
|
|
// But this even doesn't work with Flash Lite (e.g. in Droid Incredible). So with Flash
|
|
// Lite, we put it at (0, 0). This shows 1x1 box visible at left-top corner but this is
|
|
// the best we can do as far as we know now.
|
|
container.style.position = "absolute";
|
|
if (WebSocket.__isFlashLite()) {
|
|
container.style.left = "0px";
|
|
container.style.top = "0px";
|
|
} else {
|
|
container.style.left = "-100px";
|
|
container.style.top = "-100px";
|
|
}
|
|
var holder = document.createElement("div");
|
|
holder.id = "webSocketFlash";
|
|
container.appendChild(holder);
|
|
document.body.appendChild(container);
|
|
// See this article for hasPriority:
|
|
// http://help.adobe.com/en_US/as3/mobile/WS4bebcd66a74275c36cfb8137124318eebc6-7ffd.html
|
|
swfobject.embedSWF(
|
|
WEB_SOCKET_SWF_LOCATION,
|
|
"webSocketFlash",
|
|
"1" /* width */,
|
|
"1" /* height */,
|
|
"10.0.0" /* SWF version */,
|
|
null,
|
|
null,
|
|
{hasPriority: true, swliveconnect : true, allowScriptAccess: "always"},
|
|
null,
|
|
function(e) {
|
|
if (!e.success) {
|
|
console.error("[WebSocket] swfobject.embedSWF failed");
|
|
}
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Called by Flash to notify JS that it's fully loaded and ready
|
|
* for communication.
|
|
*/
|
|
WebSocket.__onFlashInitialized = function() {
|
|
// We need to set a timeout here to avoid round-trip calls
|
|
// to flash during the initialization process.
|
|
setTimeout(function() {
|
|
WebSocket.__flash = document.getElementById("webSocketFlash");
|
|
WebSocket.__flash.setCallerUrl(location.href);
|
|
WebSocket.__flash.setDebug(!!window.WEB_SOCKET_DEBUG);
|
|
for (var i = 0; i < WebSocket.__tasks.length; ++i) {
|
|
WebSocket.__tasks[i]();
|
|
}
|
|
WebSocket.__tasks = [];
|
|
}, 0);
|
|
};
|
|
|
|
/**
|
|
* Called by Flash to notify WebSockets events are fired.
|
|
*/
|
|
WebSocket.__onFlashEvent = function() {
|
|
setTimeout(function() {
|
|
try {
|
|
// Gets events using receiveEvents() instead of getting it from event object
|
|
// of Flash event. This is to make sure to keep message order.
|
|
// It seems sometimes Flash events don't arrive in the same order as they are sent.
|
|
var events = WebSocket.__flash.receiveEvents();
|
|
for (var i = 0; i < events.length; ++i) {
|
|
WebSocket.__instances[events[i].webSocketId].__handleEvent(events[i]);
|
|
}
|
|
} catch (e) {
|
|
console.error(e);
|
|
}
|
|
}, 0);
|
|
return true;
|
|
};
|
|
|
|
// Called by Flash.
|
|
WebSocket.__log = function(message) {
|
|
console.log(decodeURIComponent(message));
|
|
};
|
|
|
|
// Called by Flash.
|
|
WebSocket.__error = function(message) {
|
|
console.error(decodeURIComponent(message));
|
|
};
|
|
|
|
WebSocket.__addTask = function(task) {
|
|
if (WebSocket.__flash) {
|
|
task();
|
|
} else {
|
|
WebSocket.__tasks.push(task);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Test if the browser is running flash lite.
|
|
* @return {boolean} True if flash lite is running, false otherwise.
|
|
*/
|
|
WebSocket.__isFlashLite = function() {
|
|
if (!window.navigator || !window.navigator.mimeTypes) {
|
|
return false;
|
|
}
|
|
var mimeType = window.navigator.mimeTypes["application/x-shockwave-flash"];
|
|
if (!mimeType || !mimeType.enabledPlugin || !mimeType.enabledPlugin.filename) {
|
|
return false;
|
|
}
|
|
return mimeType.enabledPlugin.filename.match(/flashlite/i) ? true : false;
|
|
};
|
|
|
|
if (!window.WEB_SOCKET_DISABLE_AUTO_INITIALIZATION) {
|
|
if (window.addEventListener) {
|
|
window.addEventListener("load", function(){
|
|
WebSocket.__initialize();
|
|
}, false);
|
|
} else {
|
|
window.attachEvent("onload", function(){
|
|
WebSocket.__initialize();
|
|
});
|
|
}
|
|
}
|
|
|
|
})();
|
|
|
|
/**
|
|
* socket.io
|
|
* Copyright(c) 2011 LearnBoost <dev@learnboost.com>
|
|
* MIT Licensed
|
|
*/
|
|
|
|
(function (exports, io, global) {
|
|
|
|
/**
|
|
* Expose constructor.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
exports.XHR = XHR;
|
|
|
|
/**
|
|
* XHR constructor
|
|
*
|
|
* @costructor
|
|
* @api public
|
|
*/
|
|
|
|
function XHR (socket) {
|
|
if (!socket) return;
|
|
|
|
io.Transport.apply(this, arguments);
|
|
this.sendBuffer = [];
|
|
};
|
|
|
|
/**
|
|
* Inherits from Transport.
|
|
*/
|
|
|
|
io.util.inherit(XHR, io.Transport);
|
|
|
|
/**
|
|
* Establish a connection
|
|
*
|
|
* @returns {Transport}
|
|
* @api public
|
|
*/
|
|
|
|
XHR.prototype.open = function () {
|
|
this.socket.setBuffer(false);
|
|
this.onOpen();
|
|
this.get();
|
|
|
|
// we need to make sure the request succeeds since we have no indication
|
|
// whether the request opened or not until it succeeded.
|
|
this.setCloseTimeout();
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Check if we need to send data to the Socket.IO server, if we have data in our
|
|
* buffer we encode it and forward it to the `post` method.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
XHR.prototype.payload = function (payload) {
|
|
var msgs = [];
|
|
|
|
for (var i = 0, l = payload.length; i < l; i++) {
|
|
msgs.push(io.parser.encodePacket(payload[i]));
|
|
}
|
|
|
|
this.send(io.parser.encodePayload(msgs));
|
|
};
|
|
|
|
/**
|
|
* Send data to the Socket.IO server.
|
|
*
|
|
* @param data The message
|
|
* @returns {Transport}
|
|
* @api public
|
|
*/
|
|
|
|
XHR.prototype.send = function (data) {
|
|
this.post(data);
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Posts a encoded message to the Socket.IO server.
|
|
*
|
|
* @param {String} data A encoded message.
|
|
* @api private
|
|
*/
|
|
|
|
function empty () { };
|
|
|
|
XHR.prototype.post = function (data) {
|
|
var self = this;
|
|
this.socket.setBuffer(true);
|
|
|
|
function stateChange () {
|
|
if (this.readyState == 4) {
|
|
this.onreadystatechange = empty;
|
|
self.posting = false;
|
|
|
|
if (this.status == 200){
|
|
self.socket.setBuffer(false);
|
|
} else {
|
|
self.onClose();
|
|
}
|
|
}
|
|
}
|
|
|
|
function onload () {
|
|
this.onload = empty;
|
|
self.socket.setBuffer(false);
|
|
};
|
|
|
|
this.sendXHR = this.request('POST');
|
|
|
|
if (global.XDomainRequest && this.sendXHR instanceof XDomainRequest) {
|
|
this.sendXHR.onload = this.sendXHR.onerror = onload;
|
|
} else {
|
|
this.sendXHR.onreadystatechange = stateChange;
|
|
}
|
|
|
|
this.sendXHR.send(data);
|
|
};
|
|
|
|
/**
|
|
* Disconnects the established `XHR` connection.
|
|
*
|
|
* @returns {Transport}
|
|
* @api public
|
|
*/
|
|
|
|
XHR.prototype.close = function () {
|
|
this.onClose();
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Generates a configured XHR request
|
|
*
|
|
* @param {String} url The url that needs to be requested.
|
|
* @param {String} method The method the request should use.
|
|
* @returns {XMLHttpRequest}
|
|
* @api private
|
|
*/
|
|
|
|
XHR.prototype.request = function (method) {
|
|
var req = io.util.request(this.socket.isXDomain())
|
|
, query = io.util.query(this.socket.options.query, 't=' + +new Date);
|
|
|
|
req.open(method || 'GET', this.prepareUrl() + query, true);
|
|
|
|
if (method == 'POST') {
|
|
try {
|
|
if (req.setRequestHeader) {
|
|
req.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');
|
|
} else {
|
|
// XDomainRequest
|
|
req.contentType = 'text/plain';
|
|
}
|
|
} catch (e) {}
|
|
}
|
|
|
|
return req;
|
|
};
|
|
|
|
/**
|
|
* Returns the scheme to use for the transport URLs.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
XHR.prototype.scheme = function () {
|
|
return this.socket.options.secure ? 'https' : 'http';
|
|
};
|
|
|
|
/**
|
|
* Check if the XHR transports are supported
|
|
*
|
|
* @param {Boolean} xdomain Check if we support cross domain requests.
|
|
* @returns {Boolean}
|
|
* @api public
|
|
*/
|
|
|
|
XHR.check = function (socket, xdomain) {
|
|
try {
|
|
var request = io.util.request(xdomain),
|
|
usesXDomReq = (global.XDomainRequest && request instanceof XDomainRequest),
|
|
socketProtocol = (socket && socket.options && socket.options.secure ? 'https:' : 'http:'),
|
|
isXProtocol = (global.location && socketProtocol != global.location.protocol);
|
|
if (request && !(usesXDomReq && isXProtocol)) {
|
|
return true;
|
|
}
|
|
} catch(e) {}
|
|
|
|
return false;
|
|
};
|
|
|
|
/**
|
|
* Check if the XHR transport supports cross domain requests.
|
|
*
|
|
* @returns {Boolean}
|
|
* @api public
|
|
*/
|
|
|
|
XHR.xdomainCheck = function (socket) {
|
|
return XHR.check(socket, true);
|
|
};
|
|
|
|
})(
|
|
'undefined' != typeof io ? io.Transport : module.exports
|
|
, 'undefined' != typeof io ? io : module.parent.exports
|
|
, this
|
|
);
|
|
/**
|
|
* socket.io
|
|
* Copyright(c) 2011 LearnBoost <dev@learnboost.com>
|
|
* MIT Licensed
|
|
*/
|
|
|
|
(function (exports, io) {
|
|
|
|
/**
|
|
* Expose constructor.
|
|
*/
|
|
|
|
exports.htmlfile = HTMLFile;
|
|
|
|
/**
|
|
* The HTMLFile transport creates a `forever iframe` based transport
|
|
* for Internet Explorer. Regular forever iframe implementations will
|
|
* continuously trigger the browsers buzy indicators. If the forever iframe
|
|
* is created inside a `htmlfile` these indicators will not be trigged.
|
|
*
|
|
* @constructor
|
|
* @extends {io.Transport.XHR}
|
|
* @api public
|
|
*/
|
|
|
|
function HTMLFile (socket) {
|
|
io.Transport.XHR.apply(this, arguments);
|
|
};
|
|
|
|
/**
|
|
* Inherits from XHR transport.
|
|
*/
|
|
|
|
io.util.inherit(HTMLFile, io.Transport.XHR);
|
|
|
|
/**
|
|
* Transport name
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
HTMLFile.prototype.name = 'htmlfile';
|
|
|
|
/**
|
|
* Creates a new Ac...eX `htmlfile` with a forever loading iframe
|
|
* that can be used to listen to messages. Inside the generated
|
|
* `htmlfile` a reference will be made to the HTMLFile transport.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
HTMLFile.prototype.get = function () {
|
|
this.doc = new window[(['Active'].concat('Object').join('X'))]('htmlfile');
|
|
this.doc.open();
|
|
this.doc.write('<html></html>');
|
|
this.doc.close();
|
|
this.doc.parentWindow.s = this;
|
|
|
|
var iframeC = this.doc.createElement('div');
|
|
iframeC.className = 'socketio';
|
|
|
|
this.doc.body.appendChild(iframeC);
|
|
this.iframe = this.doc.createElement('iframe');
|
|
|
|
iframeC.appendChild(this.iframe);
|
|
|
|
var self = this
|
|
, query = io.util.query(this.socket.options.query, 't='+ +new Date);
|
|
|
|
this.iframe.src = this.prepareUrl() + query;
|
|
|
|
io.util.on(window, 'unload', function () {
|
|
self.destroy();
|
|
});
|
|
};
|
|
|
|
/**
|
|
* The Socket.IO server will write script tags inside the forever
|
|
* iframe, this function will be used as callback for the incoming
|
|
* information.
|
|
*
|
|
* @param {String} data The message
|
|
* @param {document} doc Reference to the context
|
|
* @api private
|
|
*/
|
|
|
|
HTMLFile.prototype._ = function (data, doc) {
|
|
// unescape all forward slashes. see GH-1251
|
|
data = data.replace(/\\\//g, '/');
|
|
this.onData(data);
|
|
try {
|
|
var script = doc.getElementsByTagName('script')[0];
|
|
script.parentNode.removeChild(script);
|
|
} catch (e) { }
|
|
};
|
|
|
|
/**
|
|
* Destroy the established connection, iframe and `htmlfile`.
|
|
* And calls the `CollectGarbage` function of Internet Explorer
|
|
* to release the memory.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
HTMLFile.prototype.destroy = function () {
|
|
if (this.iframe){
|
|
try {
|
|
this.iframe.src = 'about:blank';
|
|
} catch(e){}
|
|
|
|
this.doc = null;
|
|
this.iframe.parentNode.removeChild(this.iframe);
|
|
this.iframe = null;
|
|
|
|
CollectGarbage();
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Disconnects the established connection.
|
|
*
|
|
* @returns {Transport} Chaining.
|
|
* @api public
|
|
*/
|
|
|
|
HTMLFile.prototype.close = function () {
|
|
this.destroy();
|
|
return io.Transport.XHR.prototype.close.call(this);
|
|
};
|
|
|
|
/**
|
|
* Checks if the browser supports this transport. The browser
|
|
* must have an `Ac...eXObject` implementation.
|
|
*
|
|
* @return {Boolean}
|
|
* @api public
|
|
*/
|
|
|
|
HTMLFile.check = function (socket) {
|
|
if (typeof window != "undefined" && (['Active'].concat('Object').join('X')) in window){
|
|
try {
|
|
var a = new window[(['Active'].concat('Object').join('X'))]('htmlfile');
|
|
return a && io.Transport.XHR.check(socket);
|
|
} catch(e){}
|
|
}
|
|
return false;
|
|
};
|
|
|
|
/**
|
|
* Check if cross domain requests are supported.
|
|
*
|
|
* @returns {Boolean}
|
|
* @api public
|
|
*/
|
|
|
|
HTMLFile.xdomainCheck = function () {
|
|
// we can probably do handling for sub-domains, we should
|
|
// test that it's cross domain but a subdomain here
|
|
return false;
|
|
};
|
|
|
|
/**
|
|
* Add the transport to your public io.transports array.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
io.transports.push('htmlfile');
|
|
|
|
})(
|
|
'undefined' != typeof io ? io.Transport : module.exports
|
|
, 'undefined' != typeof io ? io : module.parent.exports
|
|
);
|
|
|
|
/**
|
|
* socket.io
|
|
* Copyright(c) 2011 LearnBoost <dev@learnboost.com>
|
|
* MIT Licensed
|
|
*/
|
|
|
|
(function (exports, io, global) {
|
|
|
|
/**
|
|
* Expose constructor.
|
|
*/
|
|
|
|
exports['xhr-polling'] = XHRPolling;
|
|
|
|
/**
|
|
* The XHR-polling transport uses long polling XHR requests to create a
|
|
* "persistent" connection with the server.
|
|
*
|
|
* @constructor
|
|
* @api public
|
|
*/
|
|
|
|
function XHRPolling () {
|
|
io.Transport.XHR.apply(this, arguments);
|
|
};
|
|
|
|
/**
|
|
* Inherits from XHR transport.
|
|
*/
|
|
|
|
io.util.inherit(XHRPolling, io.Transport.XHR);
|
|
|
|
/**
|
|
* Merge the properties from XHR transport
|
|
*/
|
|
|
|
io.util.merge(XHRPolling, io.Transport.XHR);
|
|
|
|
/**
|
|
* Transport name
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
XHRPolling.prototype.name = 'xhr-polling';
|
|
|
|
/**
|
|
* Indicates whether heartbeats is enabled for this transport
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
XHRPolling.prototype.heartbeats = function () {
|
|
return false;
|
|
};
|
|
|
|
/**
|
|
* Establish a connection, for iPhone and Android this will be done once the page
|
|
* is loaded.
|
|
*
|
|
* @returns {Transport} Chaining.
|
|
* @api public
|
|
*/
|
|
|
|
XHRPolling.prototype.open = function () {
|
|
var self = this;
|
|
|
|
io.Transport.XHR.prototype.open.call(self);
|
|
return false;
|
|
};
|
|
|
|
/**
|
|
* Starts a XHR request to wait for incoming messages.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
function empty () {};
|
|
|
|
XHRPolling.prototype.get = function () {
|
|
if (!this.isOpen) return;
|
|
|
|
var self = this;
|
|
|
|
function stateChange () {
|
|
if (this.readyState == 4) {
|
|
this.onreadystatechange = empty;
|
|
|
|
if (this.status == 200) {
|
|
self.onData(this.responseText);
|
|
self.get();
|
|
} else {
|
|
self.onClose();
|
|
}
|
|
}
|
|
};
|
|
|
|
function onload () {
|
|
this.onload = empty;
|
|
this.onerror = empty;
|
|
self.retryCounter = 1;
|
|
self.onData(this.responseText);
|
|
self.get();
|
|
};
|
|
|
|
function onerror () {
|
|
self.retryCounter ++;
|
|
if(!self.retryCounter || self.retryCounter > 3) {
|
|
self.onClose();
|
|
} else {
|
|
self.get();
|
|
}
|
|
};
|
|
|
|
this.xhr = this.request();
|
|
|
|
if (global.XDomainRequest && this.xhr instanceof XDomainRequest) {
|
|
this.xhr.onload = onload;
|
|
this.xhr.onerror = onerror;
|
|
} else {
|
|
this.xhr.onreadystatechange = stateChange;
|
|
}
|
|
|
|
this.xhr.send(null);
|
|
};
|
|
|
|
/**
|
|
* Handle the unclean close behavior.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
XHRPolling.prototype.onClose = function () {
|
|
io.Transport.XHR.prototype.onClose.call(this);
|
|
|
|
if (this.xhr) {
|
|
this.xhr.onreadystatechange = this.xhr.onload = this.xhr.onerror = empty;
|
|
try {
|
|
this.xhr.abort();
|
|
} catch(e){}
|
|
this.xhr = null;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Webkit based browsers show a infinit spinner when you start a XHR request
|
|
* before the browsers onload event is called so we need to defer opening of
|
|
* the transport until the onload event is called. Wrapping the cb in our
|
|
* defer method solve this.
|
|
*
|
|
* @param {Socket} socket The socket instance that needs a transport
|
|
* @param {Function} fn The callback
|
|
* @api private
|
|
*/
|
|
|
|
XHRPolling.prototype.ready = function (socket, fn) {
|
|
var self = this;
|
|
|
|
io.util.defer(function () {
|
|
fn.call(self);
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Add the transport to your public io.transports array.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
io.transports.push('xhr-polling');
|
|
|
|
})(
|
|
'undefined' != typeof io ? io.Transport : module.exports
|
|
, 'undefined' != typeof io ? io : module.parent.exports
|
|
, this
|
|
);
|
|
|
|
/**
|
|
* socket.io
|
|
* Copyright(c) 2011 LearnBoost <dev@learnboost.com>
|
|
* MIT Licensed
|
|
*/
|
|
|
|
(function (exports, io, global) {
|
|
/**
|
|
* There is a way to hide the loading indicator in Firefox. If you create and
|
|
* remove a iframe it will stop showing the current loading indicator.
|
|
* Unfortunately we can't feature detect that and UA sniffing is evil.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
var indicator = global.document && "MozAppearance" in
|
|
global.document.documentElement.style;
|
|
|
|
/**
|
|
* Expose constructor.
|
|
*/
|
|
|
|
exports['jsonp-polling'] = JSONPPolling;
|
|
|
|
/**
|
|
* The JSONP transport creates an persistent connection by dynamically
|
|
* inserting a script tag in the page. This script tag will receive the
|
|
* information of the Socket.IO server. When new information is received
|
|
* it creates a new script tag for the new data stream.
|
|
*
|
|
* @constructor
|
|
* @extends {io.Transport.xhr-polling}
|
|
* @api public
|
|
*/
|
|
|
|
function JSONPPolling (socket) {
|
|
io.Transport['xhr-polling'].apply(this, arguments);
|
|
|
|
this.index = io.j.length;
|
|
|
|
var self = this;
|
|
|
|
io.j.push(function (msg) {
|
|
self._(msg);
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Inherits from XHR polling transport.
|
|
*/
|
|
|
|
io.util.inherit(JSONPPolling, io.Transport['xhr-polling']);
|
|
|
|
/**
|
|
* Transport name
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
JSONPPolling.prototype.name = 'jsonp-polling';
|
|
|
|
/**
|
|
* Posts a encoded message to the Socket.IO server using an iframe.
|
|
* The iframe is used because script tags can create POST based requests.
|
|
* The iframe is positioned outside of the view so the user does not
|
|
* notice it's existence.
|
|
*
|
|
* @param {String} data A encoded message.
|
|
* @api private
|
|
*/
|
|
|
|
JSONPPolling.prototype.post = function (data) {
|
|
var self = this
|
|
, query = io.util.query(
|
|
this.socket.options.query
|
|
, 't='+ (+new Date) + '&i=' + this.index
|
|
);
|
|
|
|
if (!this.form) {
|
|
var form = document.createElement('form')
|
|
, area = document.createElement('textarea')
|
|
, id = this.iframeId = 'socketio_iframe_' + this.index
|
|
, iframe;
|
|
|
|
form.className = 'socketio';
|
|
form.style.position = 'absolute';
|
|
form.style.top = '0px';
|
|
form.style.left = '0px';
|
|
form.style.display = 'none';
|
|
form.target = id;
|
|
form.method = 'POST';
|
|
form.setAttribute('accept-charset', 'utf-8');
|
|
area.name = 'd';
|
|
form.appendChild(area);
|
|
document.body.appendChild(form);
|
|
|
|
this.form = form;
|
|
this.area = area;
|
|
}
|
|
|
|
this.form.action = this.prepareUrl() + query;
|
|
|
|
function complete () {
|
|
initIframe();
|
|
self.socket.setBuffer(false);
|
|
};
|
|
|
|
function initIframe () {
|
|
if (self.iframe) {
|
|
self.form.removeChild(self.iframe);
|
|
}
|
|
|
|
try {
|
|
// ie6 dynamic iframes with target="" support (thanks Chris Lambacher)
|
|
iframe = document.createElement('<iframe name="'+ self.iframeId +'">');
|
|
} catch (e) {
|
|
iframe = document.createElement('iframe');
|
|
iframe.name = self.iframeId;
|
|
}
|
|
|
|
iframe.id = self.iframeId;
|
|
|
|
self.form.appendChild(iframe);
|
|
self.iframe = iframe;
|
|
};
|
|
|
|
initIframe();
|
|
|
|
// we temporarily stringify until we figure out how to prevent
|
|
// browsers from turning `\n` into `\r\n` in form inputs
|
|
this.area.value = io.JSON.stringify(data);
|
|
|
|
try {
|
|
this.form.submit();
|
|
} catch(e) {}
|
|
|
|
if (this.iframe.attachEvent) {
|
|
iframe.onreadystatechange = function () {
|
|
if (self.iframe.readyState == 'complete') {
|
|
complete();
|
|
}
|
|
};
|
|
} else {
|
|
this.iframe.onload = complete;
|
|
}
|
|
|
|
this.socket.setBuffer(true);
|
|
};
|
|
|
|
/**
|
|
* Creates a new JSONP poll that can be used to listen
|
|
* for messages from the Socket.IO server.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
JSONPPolling.prototype.get = function () {
|
|
var self = this
|
|
, script = document.createElement('script')
|
|
, query = io.util.query(
|
|
this.socket.options.query
|
|
, 't='+ (+new Date) + '&i=' + this.index
|
|
);
|
|
|
|
if (this.script) {
|
|
this.script.parentNode.removeChild(this.script);
|
|
this.script = null;
|
|
}
|
|
|
|
script.async = true;
|
|
script.src = this.prepareUrl() + query;
|
|
script.onerror = function () {
|
|
self.onClose();
|
|
};
|
|
|
|
var insertAt = document.getElementsByTagName('script')[0];
|
|
insertAt.parentNode.insertBefore(script, insertAt);
|
|
this.script = script;
|
|
|
|
if (indicator) {
|
|
setTimeout(function () {
|
|
var iframe = document.createElement('iframe');
|
|
document.body.appendChild(iframe);
|
|
document.body.removeChild(iframe);
|
|
}, 100);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Callback function for the incoming message stream from the Socket.IO server.
|
|
*
|
|
* @param {String} data The message
|
|
* @api private
|
|
*/
|
|
|
|
JSONPPolling.prototype._ = function (msg) {
|
|
this.onData(msg);
|
|
if (this.isOpen) {
|
|
this.get();
|
|
}
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* The indicator hack only works after onload
|
|
*
|
|
* @param {Socket} socket The socket instance that needs a transport
|
|
* @param {Function} fn The callback
|
|
* @api private
|
|
*/
|
|
|
|
JSONPPolling.prototype.ready = function (socket, fn) {
|
|
var self = this;
|
|
if (!indicator) return fn.call(this);
|
|
|
|
io.util.load(function () {
|
|
fn.call(self);
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Checks if browser supports this transport.
|
|
*
|
|
* @return {Boolean}
|
|
* @api public
|
|
*/
|
|
|
|
JSONPPolling.check = function () {
|
|
return 'document' in global;
|
|
};
|
|
|
|
/**
|
|
* Check if cross domain requests are supported
|
|
*
|
|
* @returns {Boolean}
|
|
* @api public
|
|
*/
|
|
|
|
JSONPPolling.xdomainCheck = function () {
|
|
return true;
|
|
};
|
|
|
|
/**
|
|
* Add the transport to your public io.transports array.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
io.transports.push('jsonp-polling');
|
|
|
|
})(
|
|
'undefined' != typeof io ? io.Transport : module.exports
|
|
, 'undefined' != typeof io ? io : module.parent.exports
|
|
, this
|
|
);
|
|
|
|
if (typeof define === "function" && define.amd) {
|
|
define([], function () { return io; });
|
|
}
|
|
})();
|
|
},{}],6:[function(require,module,exports){
|
|
// getScreenMedia helper by @HenrikJoreteg
|
|
var getUserMedia = require('getusermedia');
|
|
|
|
// cache for constraints and callback
|
|
var cache = {};
|
|
|
|
module.exports = function (constraints, cb) {
|
|
var hasConstraints = arguments.length === 2;
|
|
var callback = hasConstraints ? cb : constraints;
|
|
var error;
|
|
|
|
if (typeof window === 'undefined' || window.location.protocol === 'http:') {
|
|
error = new Error('NavigatorUserMediaError');
|
|
error.name = 'HTTPS_REQUIRED';
|
|
return callback(error);
|
|
}
|
|
|
|
if (window.navigator.userAgent.match('Chrome')) {
|
|
var chromever = parseInt(window.navigator.userAgent.match(/Chrome\/(.*) /)[1], 10);
|
|
if (chromever >= 26 && chromever <= 33) {
|
|
// chrome 26 - chrome 33 way to do it -- requires bad chrome://flags
|
|
constraints = (hasConstraints && constraints) || {
|
|
video: {
|
|
mandatory: {
|
|
maxWidth: window.screen.width,
|
|
maxHeight: window.screen.height,
|
|
maxFrameRate: 3,
|
|
chromeMediaSource: 'screen'
|
|
}
|
|
}
|
|
};
|
|
getUserMedia(constraints, callback);
|
|
} else {
|
|
// chrome 34+ way requiring an extension
|
|
var pending = window.setTimeout(function () {
|
|
error = new Error('NavigatorUserMediaError');
|
|
error.name = 'EXTENSION_UNAVAILABLE';
|
|
return callback(error);
|
|
}, 1000);
|
|
cache[pending] = [callback, hasConstraints ? constraint : null];
|
|
window.postMessage({ type: 'getScreen', id: pending }, '*');
|
|
}
|
|
}
|
|
};
|
|
|
|
window.addEventListener('message', function (event) {
|
|
if (event.origin != window.location.origin) {
|
|
return;
|
|
}
|
|
if (event.data.type == 'gotScreen' && cache[event.data.id]) {
|
|
var data = cache[event.data.id];
|
|
var constraints = data[1];
|
|
var callback = data[0];
|
|
delete cache[event.data.id];
|
|
|
|
if (event.data.sourceId === '') { // user canceled
|
|
var error = error = new Error('NavigatorUserMediaError');
|
|
error.name = 'PERMISSION_DENIED';
|
|
callback(error);
|
|
} else {
|
|
constraints = constraints || {audio: false, video: {mandatory: {
|
|
chromeMediaSource: 'desktop',
|
|
chromeMediaSourceId: event.data.sourceId,
|
|
maxWidth: window.screen.width,
|
|
maxHeight: window.screen.height,
|
|
maxFrameRate: 3,
|
|
}}};
|
|
getUserMedia(constraints, callback);
|
|
}
|
|
} else if (event.data.type == 'getScreenPending') {
|
|
window.clearTimeout(event.data.id);
|
|
}
|
|
});
|
|
|
|
},{"getusermedia":9}],10:[function(require,module,exports){
|
|
// getUserMedia helper by @HenrikJoreteg
|
|
var func = (navigator.getUserMedia ||
|
|
navigator.webkitGetUserMedia ||
|
|
navigator.mozGetUserMedia ||
|
|
navigator.msGetUserMedia);
|
|
|
|
|
|
module.exports = function (constraints, cb) {
|
|
var options;
|
|
var haveOpts = arguments.length === 2;
|
|
var defaultOpts = {video: true, audio: true};
|
|
var error;
|
|
var denied = 'PERMISSION_DENIED';
|
|
var notSatified = 'CONSTRAINT_NOT_SATISFIED';
|
|
|
|
// make constraints optional
|
|
if (!haveOpts) {
|
|
cb = constraints;
|
|
constraints = defaultOpts;
|
|
}
|
|
|
|
// treat lack of browser support like an error
|
|
if (!func) {
|
|
// throw proper error per spec
|
|
error = new Error('NavigatorUserMediaError');
|
|
error.name = 'NOT_SUPPORTED_ERROR';
|
|
return cb(error);
|
|
}
|
|
|
|
func.call(navigator, constraints, function (stream) {
|
|
cb(null, stream);
|
|
}, function (err) {
|
|
var error;
|
|
// coerce into an error object since FF gives us a string
|
|
// there are only two valid names according to the spec
|
|
// we coerce all non-denied to "constraint not satisfied".
|
|
if (typeof err === 'string') {
|
|
error = new Error('NavigatorUserMediaError');
|
|
if (err === denied) {
|
|
error.name = denied;
|
|
} else {
|
|
error.name = notSatified;
|
|
}
|
|
} else {
|
|
// if we get an error object make sure '.name' property is set
|
|
// according to spec: http://dev.w3.org/2011/webrtc/editor/getusermedia.html#navigatorusermediaerror-and-navigatorusermediaerrorcallback
|
|
error = err;
|
|
if (!error.name) {
|
|
// this is likely chrome which
|
|
// sets a property called "ERROR_DENIED" on the error object
|
|
// if so we make sure to set a name
|
|
if (error[denied]) {
|
|
err.name = denied;
|
|
} else {
|
|
err.name = notSatified;
|
|
}
|
|
}
|
|
}
|
|
|
|
cb(error);
|
|
});
|
|
};
|
|
|
|
},{}],11:[function(require,module,exports){
|
|
// created by @HenrikJoreteg
|
|
var prefix;
|
|
var isChrome = false;
|
|
var isFirefox = false;
|
|
var ua = navigator.userAgent.toLowerCase();
|
|
|
|
// basic sniffing
|
|
if (ua.indexOf('firefox') !== -1) {
|
|
prefix = 'moz';
|
|
isFirefox = true;
|
|
} else if (ua.indexOf('chrome') !== -1) {
|
|
prefix = 'webkit';
|
|
isChrome = true;
|
|
}
|
|
|
|
var PC = window.mozRTCPeerConnection || window.webkitRTCPeerConnection;
|
|
var IceCandidate = window.mozRTCIceCandidate || window.RTCIceCandidate;
|
|
var SessionDescription = window.mozRTCSessionDescription || window.RTCSessionDescription;
|
|
var MediaStream = window.webkitMediaStream || window.MediaStream;
|
|
var screenSharing = navigator.userAgent.match('Chrome') && parseInt(navigator.userAgent.match(/Chrome\/(.*) /)[1], 10) >= 26;
|
|
var AudioContext = window.webkitAudioContext || window.AudioContext;
|
|
|
|
|
|
// export support flags and constructors.prototype && PC
|
|
module.exports = {
|
|
support: !!PC,
|
|
dataChannel: isChrome || isFirefox || (PC && PC.prototype && PC.prototype.createDataChannel),
|
|
prefix: prefix,
|
|
webAudio: !!(AudioContext && AudioContext.prototype.createMediaStreamSource),
|
|
mediaStream: !!(MediaStream && MediaStream.prototype.removeTrack),
|
|
screenSharing: !!screenSharing,
|
|
AudioContext: AudioContext,
|
|
PeerConnection: PC,
|
|
SessionDescription: SessionDescription,
|
|
IceCandidate: IceCandidate
|
|
};
|
|
|
|
},{}],9:[function(require,module,exports){
|
|
// getUserMedia helper by @HenrikJoreteg
|
|
var func = (window.navigator.getUserMedia ||
|
|
window.navigator.webkitGetUserMedia ||
|
|
window.navigator.mozGetUserMedia ||
|
|
window.navigator.msGetUserMedia);
|
|
|
|
|
|
module.exports = function (constraints, cb) {
|
|
var options;
|
|
var haveOpts = arguments.length === 2;
|
|
var defaultOpts = {video: true, audio: true};
|
|
var error;
|
|
var denied = 'PERMISSION_DENIED';
|
|
var notSatified = 'CONSTRAINT_NOT_SATISFIED';
|
|
|
|
// make constraints optional
|
|
if (!haveOpts) {
|
|
cb = constraints;
|
|
constraints = defaultOpts;
|
|
}
|
|
|
|
// treat lack of browser support like an error
|
|
if (!func) {
|
|
// throw proper error per spec
|
|
error = new Error('NavigatorUserMediaError');
|
|
error.name = 'NOT_SUPPORTED_ERROR';
|
|
return cb(error);
|
|
}
|
|
|
|
func.call(window.navigator, constraints, function (stream) {
|
|
cb(null, stream);
|
|
}, function (err) {
|
|
var error;
|
|
// coerce into an error object since FF gives us a string
|
|
// there are only two valid names according to the spec
|
|
// we coerce all non-denied to "constraint not satisfied".
|
|
if (typeof err === 'string') {
|
|
error = new Error('NavigatorUserMediaError');
|
|
if (err === denied) {
|
|
error.name = denied;
|
|
} else {
|
|
error.name = notSatified;
|
|
}
|
|
} else {
|
|
// if we get an error object make sure '.name' property is set
|
|
// according to spec: http://dev.w3.org/2011/webrtc/editor/getusermedia.html#navigatorusermediaerror-and-navigatorusermediaerrorcallback
|
|
error = err;
|
|
if (!error.name) {
|
|
// this is likely chrome which
|
|
// sets a property called "ERROR_DENIED" on the error object
|
|
// if so we make sure to set a name
|
|
if (error[denied]) {
|
|
err.name = denied;
|
|
} else {
|
|
err.name = notSatified;
|
|
}
|
|
}
|
|
}
|
|
|
|
cb(error);
|
|
});
|
|
};
|
|
|
|
},{}],2:[function(require,module,exports){
|
|
var webrtc = require('webrtcsupport');
|
|
var getUserMedia = require('getusermedia');
|
|
var PeerConnection = require('rtcpeerconnection');
|
|
var WildEmitter = require('wildemitter');
|
|
var hark = require('hark');
|
|
var GainController = require('mediastream-gain');
|
|
var mockconsole = require('mockconsole');
|
|
|
|
|
|
function WebRTC(opts) {
|
|
var self = this;
|
|
var options = opts || {};
|
|
var config = this.config = {
|
|
debug: false,
|
|
localVideoEl: '',
|
|
remoteVideosEl: '',
|
|
autoRequestMedia: false,
|
|
// makes the entire PC config overridable
|
|
peerConnectionConfig: {
|
|
iceServers: [{"url": "stun:stun.l.google.com:19302"}]
|
|
},
|
|
peerConnectionContraints: {
|
|
optional: [
|
|
{DtlsSrtpKeyAgreement: true}
|
|
]
|
|
},
|
|
autoAdjustMic: false,
|
|
media: {
|
|
audio: true,
|
|
video: true
|
|
},
|
|
receiveMedia: {
|
|
mandatory: {
|
|
OfferToReceiveAudio: true,
|
|
OfferToReceiveVideo: true
|
|
}
|
|
},
|
|
detectSpeakingEvents: true,
|
|
enableDataChannels: true
|
|
};
|
|
var item, connection;
|
|
|
|
// expose screensharing check
|
|
this.screenSharingSupport = webrtc.screenSharing;
|
|
|
|
// We also allow a 'logger' option. It can be any object that implements
|
|
// log, warn, and error methods.
|
|
// We log nothing by default, following "the rule of silence":
|
|
// http://www.linfo.org/rule_of_silence.html
|
|
this.logger = function () {
|
|
// we assume that if you're in debug mode and you didn't
|
|
// pass in a logger, you actually want to log as much as
|
|
// possible.
|
|
if (opts.debug) {
|
|
return opts.logger || console;
|
|
} else {
|
|
// or we'll use your logger which should have its own logic
|
|
// for output. Or we'll return the no-op.
|
|
return opts.logger || mockconsole;
|
|
}
|
|
}();
|
|
|
|
// set options
|
|
for (item in options) {
|
|
this.config[item] = options[item];
|
|
}
|
|
|
|
// check for support
|
|
if (!webrtc.support) {
|
|
this.logger.error('Your browser doesn\'t seem to support WebRTC');
|
|
}
|
|
|
|
// where we'll store our peer connections
|
|
this.peers = [];
|
|
|
|
WildEmitter.call(this);
|
|
|
|
// log events in debug mode
|
|
if (this.config.debug) {
|
|
this.on('*', function (event, val1, val2) {
|
|
var logger;
|
|
// if you didn't pass in a logger and you explicitly turning on debug
|
|
// we're just going to assume you're wanting log output with console
|
|
if (self.config.logger === mockconsole) {
|
|
logger = console;
|
|
} else {
|
|
logger = self.logger;
|
|
}
|
|
logger.log('event:', event, val1, val2);
|
|
});
|
|
}
|
|
}
|
|
|
|
WebRTC.prototype = Object.create(WildEmitter.prototype, {
|
|
constructor: {
|
|
value: WebRTC
|
|
}
|
|
});
|
|
|
|
WebRTC.prototype.createPeer = function (opts) {
|
|
var peer;
|
|
opts.parent = this;
|
|
peer = new Peer(opts);
|
|
this.peers.push(peer);
|
|
return peer;
|
|
};
|
|
|
|
WebRTC.prototype.startLocalMedia = function (mediaConstraints, cb) {
|
|
var self = this;
|
|
var constraints = mediaConstraints || {video: true, audio: true};
|
|
|
|
getUserMedia(constraints, function (err, stream) {
|
|
if (!err) {
|
|
if (constraints.audio && self.config.detectSpeakingEvents) {
|
|
self.setupAudioMonitor(stream);
|
|
}
|
|
self.localStream = stream;
|
|
|
|
if (self.config.autoAdjustMic) {
|
|
self.gainController = new GainController(stream);
|
|
// start out somewhat muted if we can track audio
|
|
self.setMicIfEnabled(0.5);
|
|
}
|
|
|
|
self.emit('localStream', stream);
|
|
}
|
|
if (cb) cb(err, stream);
|
|
});
|
|
};
|
|
|
|
WebRTC.prototype.stopLocalMedia = function () {
|
|
if (this.localStream) {
|
|
this.localStream.stop();
|
|
this.emit('localStreamStopped');
|
|
}
|
|
};
|
|
|
|
// Audio controls
|
|
WebRTC.prototype.mute = function () {
|
|
this._audioEnabled(false);
|
|
this.hardMuted = true;
|
|
this.emit('audioOff');
|
|
};
|
|
WebRTC.prototype.unmute = function () {
|
|
this._audioEnabled(true);
|
|
this.hardMuted = false;
|
|
this.emit('audioOn');
|
|
};
|
|
|
|
// Audio monitor
|
|
WebRTC.prototype.setupAudioMonitor = function (stream) {
|
|
this.logger.log('Setup audio');
|
|
var audio = hark(stream);
|
|
var self = this;
|
|
var timeout;
|
|
|
|
audio.on('speaking', function () {
|
|
if (self.hardMuted) return;
|
|
self.setMicIfEnabled(1);
|
|
self.sendToAll('speaking', {});
|
|
self.emit('speaking');
|
|
});
|
|
|
|
audio.on('stopped_speaking', function () {
|
|
if (self.hardMuted) return;
|
|
if (timeout) clearTimeout(timeout);
|
|
|
|
timeout = setTimeout(function () {
|
|
self.setMicIfEnabled(0.5);
|
|
self.sendToAll('stopped_speaking', {});
|
|
self.emit('stoppedSpeaking');
|
|
}, 1000);
|
|
});
|
|
if (this.config.enableDataChannels) {
|
|
// until https://code.google.com/p/chromium/issues/detail?id=121673 is fixed...
|
|
audio.on('volume_change', function (volume, treshold) {
|
|
if (self.hardMuted) return;
|
|
self.emit('volumeChange', volume, treshold);
|
|
// FIXME: should use sendDirectlyToAll, but currently has different semantics wrt payload
|
|
self.peers.forEach(function (peer) {
|
|
if (peer.enableDataChannels) {
|
|
var dc = peer.getDataChannel('hark');
|
|
if (dc.readyState != 'open') return;
|
|
dc.send(JSON.stringify({type: 'volume', volume: volume }));
|
|
}
|
|
});
|
|
});
|
|
}
|
|
};
|
|
|
|
// We do this as a seperate method in order to
|
|
// still leave the "setMicVolume" as a working
|
|
// method.
|
|
WebRTC.prototype.setMicIfEnabled = function (volume) {
|
|
if (!this.config.autoAdjustMic) return;
|
|
this.gainController.setGain(volume);
|
|
};
|
|
|
|
// Video controls
|
|
WebRTC.prototype.pauseVideo = function () {
|
|
this._videoEnabled(false);
|
|
this.emit('videoOff');
|
|
};
|
|
WebRTC.prototype.resumeVideo = function () {
|
|
this._videoEnabled(true);
|
|
this.emit('videoOn');
|
|
};
|
|
|
|
// Combined controls
|
|
WebRTC.prototype.pause = function () {
|
|
this._audioEnabled(false);
|
|
this.pauseVideo();
|
|
};
|
|
WebRTC.prototype.resume = function () {
|
|
this._audioEnabled(true);
|
|
this.resumeVideo();
|
|
};
|
|
|
|
// Internal methods for enabling/disabling audio/video
|
|
WebRTC.prototype._audioEnabled = function (bool) {
|
|
// work around for chrome 27 bug where disabling tracks
|
|
// doesn't seem to work (works in canary, remove when working)
|
|
this.setMicIfEnabled(bool ? 1 : 0);
|
|
this.localStream.getAudioTracks().forEach(function (track) {
|
|
track.enabled = !!bool;
|
|
});
|
|
};
|
|
WebRTC.prototype._videoEnabled = function (bool) {
|
|
this.localStream.getVideoTracks().forEach(function (track) {
|
|
track.enabled = !!bool;
|
|
});
|
|
};
|
|
|
|
// removes peers
|
|
WebRTC.prototype.removePeers = function (id, type) {
|
|
this.getPeers(id, type).forEach(function (peer) {
|
|
peer.end();
|
|
});
|
|
};
|
|
|
|
// fetches all Peer objects by session id and/or type
|
|
WebRTC.prototype.getPeers = function (sessionId, type) {
|
|
return this.peers.filter(function (peer) {
|
|
return (!sessionId || peer.id === sessionId) && (!type || peer.type === type);
|
|
});
|
|
};
|
|
|
|
// sends message to all
|
|
WebRTC.prototype.sendToAll = function (message, payload) {
|
|
this.peers.forEach(function (peer) {
|
|
peer.send(message, payload);
|
|
});
|
|
};
|
|
|
|
// sends message to all using a datachannel
|
|
// only sends to anyone who has an open datachannel
|
|
WebRTC.prototype.sendDirectlyToAll = function (channel, message, payload) {
|
|
this.peers.forEach(function (peer) {
|
|
if (peer.enableDataChannels) {
|
|
peer.sendDirectly(channel, message, payload);
|
|
}
|
|
});
|
|
};
|
|
|
|
function Peer(options) {
|
|
var self = this;
|
|
|
|
this.id = options.id;
|
|
this.parent = options.parent;
|
|
this.type = options.type || 'video';
|
|
this.oneway = options.oneway || false;
|
|
this.sharemyscreen = options.sharemyscreen || false;
|
|
this.browserPrefix = options.prefix;
|
|
this.stream = options.stream;
|
|
this.enableDataChannels = options.enableDataChannels === undefined ? this.parent.config.enableDataChannels : options.enableDataChannels;
|
|
this.receiveMedia = options.receiveMedia || this.parent.config.receiveMedia;
|
|
this.channels = {};
|
|
// Create an RTCPeerConnection via the polyfill
|
|
this.pc = new PeerConnection(this.parent.config.peerConnectionConfig, this.parent.config.peerConnectionContraints);
|
|
this.pc.on('ice', this.onIceCandidate.bind(this));
|
|
this.pc.on('addStream', this.handleRemoteStreamAdded.bind(this));
|
|
this.pc.on('addChannel', this.handleDataChannelAdded.bind(this));
|
|
this.pc.on('removeStream', this.handleStreamRemoved.bind(this));
|
|
// Just fire negotiation needed events for now
|
|
// When browser re-negotiation handling seems to work
|
|
// we can use this as the trigger for starting the offer/answer process
|
|
// automatically. We'll just leave it be for now while this stabalizes.
|
|
this.pc.on('negotiationNeeded', this.emit.bind(this, 'negotiationNeeded'));
|
|
this.pc.on('iceConnectionStateChange', this.emit.bind(this, 'iceConnectionStateChange'));
|
|
this.pc.on('signalingStateChange', this.emit.bind(this, 'signalingStateChange'));
|
|
this.logger = this.parent.logger;
|
|
|
|
// handle screensharing/broadcast mode
|
|
if (options.type === 'screen') {
|
|
if (this.parent.localScreen && this.sharemyscreen) {
|
|
this.logger.log('adding local screen stream to peer connection');
|
|
this.pc.addStream(this.parent.localScreen);
|
|
this.broadcaster = options.broadcaster;
|
|
}
|
|
} else {
|
|
this.pc.addStream(this.parent.localStream);
|
|
}
|
|
|
|
// call emitter constructor
|
|
WildEmitter.call(this);
|
|
|
|
// proxy events to parent
|
|
this.on('*', function () {
|
|
self.parent.emit.apply(self.parent, arguments);
|
|
});
|
|
}
|
|
|
|
Peer.prototype = Object.create(WildEmitter.prototype, {
|
|
constructor: {
|
|
value: Peer
|
|
}
|
|
});
|
|
|
|
Peer.prototype.handleMessage = function (message) {
|
|
var self = this;
|
|
|
|
this.logger.log('getting', message.type, message);
|
|
|
|
if (message.prefix) this.browserPrefix = message.prefix;
|
|
|
|
if (message.type === 'offer') {
|
|
this.pc.handleOffer(message.payload, function (err) {
|
|
if (err) {
|
|
return;
|
|
}
|
|
// auto-accept
|
|
self.pc.answer(self.receiveMedia, function (err, sessionDescription) {
|
|
self.send('answer', sessionDescription);
|
|
});
|
|
});
|
|
} else if (message.type === 'answer') {
|
|
this.pc.handleAnswer(message.payload);
|
|
} else if (message.type === 'candidate') {
|
|
this.pc.processIce(message.payload);
|
|
} else if (message.type === 'speaking') {
|
|
this.parent.emit('speaking', {id: message.from});
|
|
} else if (message.type === 'stopped_speaking') {
|
|
this.parent.emit('stopped_speaking', {id: message.from});
|
|
} else if (message.type === 'mute') {
|
|
this.parent.emit('mute', {id: message.from, name: message.payload.name});
|
|
} else if (message.type === 'unmute') {
|
|
this.parent.emit('unmute', {id: message.from, name: message.payload.name});
|
|
}
|
|
};
|
|
|
|
// send via signalling channel
|
|
Peer.prototype.send = function (messageType, payload) {
|
|
var message = {
|
|
to: this.id,
|
|
broadcaster: this.broadcaster,
|
|
roomType: this.type,
|
|
type: messageType,
|
|
payload: payload,
|
|
prefix: webrtc.prefix
|
|
};
|
|
this.logger.log('sending', messageType, message);
|
|
this.parent.emit('message', message);
|
|
};
|
|
|
|
// send via data channel
|
|
// returns true when message was sent and false if channel is not open
|
|
Peer.prototype.sendDirectly = function (channel, messageType, payload) {
|
|
var message = {
|
|
type: messageType,
|
|
payload: payload
|
|
};
|
|
this.logger.log('sending via datachannel', channel, messageType, message);
|
|
var dc = this.getDataChannel(channel);
|
|
if (dc.readyState != 'open') return false;
|
|
dc.send(JSON.stringify(message));
|
|
return true;
|
|
};
|
|
|
|
// Internal method registering handlers for a data channel and emitting events on the peer
|
|
Peer.prototype._observeDataChannel = function (channel) {
|
|
var self = this;
|
|
channel.onclose = this.emit.bind(this, 'channelClose', channel);
|
|
channel.onerror = this.emit.bind(this, 'channelError', channel);
|
|
channel.onmessage = function (event) {
|
|
self.emit('channelMessage', self, channel.label, JSON.parse(event.data), channel, event);
|
|
};
|
|
channel.onopen = this.emit.bind(this, 'channelOpen', channel);
|
|
};
|
|
|
|
// Fetch or create a data channel by the given name
|
|
Peer.prototype.getDataChannel = function (name, opts) {
|
|
if (!webrtc.dataChannel) return this.emit('error', new Error('createDataChannel not supported'));
|
|
var channel = this.channels[name];
|
|
opts || (opts = {});
|
|
if (channel) return channel;
|
|
// if we don't have one by this label, create it
|
|
channel = this.channels[name] = this.pc.createDataChannel(name, opts);
|
|
this._observeDataChannel(channel);
|
|
return channel;
|
|
};
|
|
|
|
Peer.prototype.onIceCandidate = function (candidate) {
|
|
if (this.closed) return;
|
|
if (candidate) {
|
|
this.send('candidate', candidate);
|
|
} else {
|
|
this.logger.log("End of candidates.");
|
|
}
|
|
};
|
|
|
|
Peer.prototype.start = function () {
|
|
var self = this;
|
|
|
|
// well, the webrtc api requires that we either
|
|
// a) create a datachannel a priori
|
|
// b) do a renegotiation later to add the SCTP m-line
|
|
// Let's do (a) first...
|
|
if (this.enableDataChannels) {
|
|
this.getDataChannel('simplewebrtc');
|
|
}
|
|
|
|
this.pc.offer(this.receiveMedia, function (err, sessionDescription) {
|
|
self.send('offer', sessionDescription);
|
|
});
|
|
};
|
|
|
|
Peer.prototype.end = function () {
|
|
if (this.closed) return;
|
|
this.pc.close();
|
|
this.handleStreamRemoved();
|
|
};
|
|
|
|
Peer.prototype.handleRemoteStreamAdded = function (event) {
|
|
var self = this;
|
|
if (this.stream) {
|
|
this.logger.warn('Already have a remote stream');
|
|
} else {
|
|
this.stream = event.stream;
|
|
this.stream.onended = function () {
|
|
self.end();
|
|
};
|
|
this.parent.emit('peerStreamAdded', this);
|
|
}
|
|
};
|
|
|
|
Peer.prototype.handleStreamRemoved = function () {
|
|
this.parent.peers.splice(this.parent.peers.indexOf(this), 1);
|
|
this.closed = true;
|
|
this.parent.emit('peerStreamRemoved', this);
|
|
};
|
|
|
|
Peer.prototype.handleDataChannelAdded = function (channel) {
|
|
this.channels[channel.label] = channel;
|
|
this._observeDataChannel(channel);
|
|
};
|
|
|
|
module.exports = WebRTC;
|
|
|
|
},{"getusermedia":10,"hark":13,"mediastream-gain":14,"mockconsole":7,"rtcpeerconnection":12,"webrtcsupport":11,"wildemitter":3}],15:[function(require,module,exports){
|
|
var events = require('events');
|
|
|
|
exports.isArray = isArray;
|
|
exports.isDate = function(obj){return Object.prototype.toString.call(obj) === '[object Date]'};
|
|
exports.isRegExp = function(obj){return Object.prototype.toString.call(obj) === '[object RegExp]'};
|
|
|
|
|
|
exports.print = function () {};
|
|
exports.puts = function () {};
|
|
exports.debug = function() {};
|
|
|
|
exports.inspect = function(obj, showHidden, depth, colors) {
|
|
var seen = [];
|
|
|
|
var stylize = function(str, styleType) {
|
|
// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
|
|
var styles =
|
|
{ 'bold' : [1, 22],
|
|
'italic' : [3, 23],
|
|
'underline' : [4, 24],
|
|
'inverse' : [7, 27],
|
|
'white' : [37, 39],
|
|
'grey' : [90, 39],
|
|
'black' : [30, 39],
|
|
'blue' : [34, 39],
|
|
'cyan' : [36, 39],
|
|
'green' : [32, 39],
|
|
'magenta' : [35, 39],
|
|
'red' : [31, 39],
|
|
'yellow' : [33, 39] };
|
|
|
|
var style =
|
|
{ 'special': 'cyan',
|
|
'number': 'blue',
|
|
'boolean': 'yellow',
|
|
'undefined': 'grey',
|
|
'null': 'bold',
|
|
'string': 'green',
|
|
'date': 'magenta',
|
|
// "name": intentionally not styling
|
|
'regexp': 'red' }[styleType];
|
|
|
|
if (style) {
|
|
return '\u001b[' + styles[style][0] + 'm' + str +
|
|
'\u001b[' + styles[style][1] + 'm';
|
|
} else {
|
|
return str;
|
|
}
|
|
};
|
|
if (! colors) {
|
|
stylize = function(str, styleType) { return str; };
|
|
}
|
|
|
|
function format(value, recurseTimes) {
|
|
// Provide a hook for user-specified inspect functions.
|
|
// Check that value is an object with an inspect function on it
|
|
if (value && typeof value.inspect === 'function' &&
|
|
// Filter out the util module, it's inspect function is special
|
|
value !== exports &&
|
|
// Also filter out any prototype objects using the circular check.
|
|
!(value.constructor && value.constructor.prototype === value)) {
|
|
return value.inspect(recurseTimes);
|
|
}
|
|
|
|
// Primitive types cannot have properties
|
|
switch (typeof value) {
|
|
case 'undefined':
|
|
return stylize('undefined', 'undefined');
|
|
|
|
case 'string':
|
|
var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
|
|
.replace(/'/g, "\\'")
|
|
.replace(/\\"/g, '"') + '\'';
|
|
return stylize(simple, 'string');
|
|
|
|
case 'number':
|
|
return stylize('' + value, 'number');
|
|
|
|
case 'boolean':
|
|
return stylize('' + value, 'boolean');
|
|
}
|
|
// For some reason typeof null is "object", so special case here.
|
|
if (value === null) {
|
|
return stylize('null', 'null');
|
|
}
|
|
|
|
// Look up the keys of the object.
|
|
var visible_keys = Object_keys(value);
|
|
var keys = showHidden ? Object_getOwnPropertyNames(value) : visible_keys;
|
|
|
|
// Functions without properties can be shortcutted.
|
|
if (typeof value === 'function' && keys.length === 0) {
|
|
if (isRegExp(value)) {
|
|
return stylize('' + value, 'regexp');
|
|
} else {
|
|
var name = value.name ? ': ' + value.name : '';
|
|
return stylize('[Function' + name + ']', 'special');
|
|
}
|
|
}
|
|
|
|
// Dates without properties can be shortcutted
|
|
if (isDate(value) && keys.length === 0) {
|
|
return stylize(value.toUTCString(), 'date');
|
|
}
|
|
|
|
var base, type, braces;
|
|
// Determine the object type
|
|
if (isArray(value)) {
|
|
type = 'Array';
|
|
braces = ['[', ']'];
|
|
} else {
|
|
type = 'Object';
|
|
braces = ['{', '}'];
|
|
}
|
|
|
|
// Make functions say that they are functions
|
|
if (typeof value === 'function') {
|
|
var n = value.name ? ': ' + value.name : '';
|
|
base = (isRegExp(value)) ? ' ' + value : ' [Function' + n + ']';
|
|
} else {
|
|
base = '';
|
|
}
|
|
|
|
// Make dates with properties first say the date
|
|
if (isDate(value)) {
|
|
base = ' ' + value.toUTCString();
|
|
}
|
|
|
|
if (keys.length === 0) {
|
|
return braces[0] + base + braces[1];
|
|
}
|
|
|
|
if (recurseTimes < 0) {
|
|
if (isRegExp(value)) {
|
|
return stylize('' + value, 'regexp');
|
|
} else {
|
|
return stylize('[Object]', 'special');
|
|
}
|
|
}
|
|
|
|
seen.push(value);
|
|
|
|
var output = keys.map(function(key) {
|
|
var name, str;
|
|
if (value.__lookupGetter__) {
|
|
if (value.__lookupGetter__(key)) {
|
|
if (value.__lookupSetter__(key)) {
|
|
str = stylize('[Getter/Setter]', 'special');
|
|
} else {
|
|
str = stylize('[Getter]', 'special');
|
|
}
|
|
} else {
|
|
if (value.__lookupSetter__(key)) {
|
|
str = stylize('[Setter]', 'special');
|
|
}
|
|
}
|
|
}
|
|
if (visible_keys.indexOf(key) < 0) {
|
|
name = '[' + key + ']';
|
|
}
|
|
if (!str) {
|
|
if (seen.indexOf(value[key]) < 0) {
|
|
if (recurseTimes === null) {
|
|
str = format(value[key]);
|
|
} else {
|
|
str = format(value[key], recurseTimes - 1);
|
|
}
|
|
if (str.indexOf('\n') > -1) {
|
|
if (isArray(value)) {
|
|
str = str.split('\n').map(function(line) {
|
|
return ' ' + line;
|
|
}).join('\n').substr(2);
|
|
} else {
|
|
str = '\n' + str.split('\n').map(function(line) {
|
|
return ' ' + line;
|
|
}).join('\n');
|
|
}
|
|
}
|
|
} else {
|
|
str = stylize('[Circular]', 'special');
|
|
}
|
|
}
|
|
if (typeof name === 'undefined') {
|
|
if (type === 'Array' && key.match(/^\d+$/)) {
|
|
return str;
|
|
}
|
|
name = JSON.stringify('' + key);
|
|
if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
|
|
name = name.substr(1, name.length - 2);
|
|
name = stylize(name, 'name');
|
|
} else {
|
|
name = name.replace(/'/g, "\\'")
|
|
.replace(/\\"/g, '"')
|
|
.replace(/(^"|"$)/g, "'");
|
|
name = stylize(name, 'string');
|
|
}
|
|
}
|
|
|
|
return name + ': ' + str;
|
|
});
|
|
|
|
seen.pop();
|
|
|
|
var numLinesEst = 0;
|
|
var length = output.reduce(function(prev, cur) {
|
|
numLinesEst++;
|
|
if (cur.indexOf('\n') >= 0) numLinesEst++;
|
|
return prev + cur.length + 1;
|
|
}, 0);
|
|
|
|
if (length > 50) {
|
|
output = braces[0] +
|
|
(base === '' ? '' : base + '\n ') +
|
|
' ' +
|
|
output.join(',\n ') +
|
|
' ' +
|
|
braces[1];
|
|
|
|
} else {
|
|
output = braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
|
|
}
|
|
|
|
return output;
|
|
}
|
|
return format(obj, (typeof depth === 'undefined' ? 2 : depth));
|
|
};
|
|
|
|
|
|
function isArray(ar) {
|
|
return Array.isArray(ar) ||
|
|
(typeof ar === 'object' && Object.prototype.toString.call(ar) === '[object Array]');
|
|
}
|
|
|
|
|
|
function isRegExp(re) {
|
|
typeof re === 'object' && Object.prototype.toString.call(re) === '[object RegExp]';
|
|
}
|
|
|
|
|
|
function isDate(d) {
|
|
return typeof d === 'object' && Object.prototype.toString.call(d) === '[object Date]';
|
|
}
|
|
|
|
function pad(n) {
|
|
return n < 10 ? '0' + n.toString(10) : n.toString(10);
|
|
}
|
|
|
|
var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
|
|
'Oct', 'Nov', 'Dec'];
|
|
|
|
// 26 Feb 16:19:34
|
|
function timestamp() {
|
|
var d = new Date();
|
|
var time = [pad(d.getHours()),
|
|
pad(d.getMinutes()),
|
|
pad(d.getSeconds())].join(':');
|
|
return [d.getDate(), months[d.getMonth()], time].join(' ');
|
|
}
|
|
|
|
exports.log = function (msg) {};
|
|
|
|
exports.pump = null;
|
|
|
|
var Object_keys = Object.keys || function (obj) {
|
|
var res = [];
|
|
for (var key in obj) res.push(key);
|
|
return res;
|
|
};
|
|
|
|
var Object_getOwnPropertyNames = Object.getOwnPropertyNames || function (obj) {
|
|
var res = [];
|
|
for (var key in obj) {
|
|
if (Object.hasOwnProperty.call(obj, key)) res.push(key);
|
|
}
|
|
return res;
|
|
};
|
|
|
|
var Object_create = Object.create || function (prototype, properties) {
|
|
// from es5-shim
|
|
var object;
|
|
if (prototype === null) {
|
|
object = { '__proto__' : null };
|
|
}
|
|
else {
|
|
if (typeof prototype !== 'object') {
|
|
throw new TypeError(
|
|
'typeof prototype[' + (typeof prototype) + '] != \'object\''
|
|
);
|
|
}
|
|
var Type = function () {};
|
|
Type.prototype = prototype;
|
|
object = new Type();
|
|
object.__proto__ = prototype;
|
|
}
|
|
if (typeof properties !== 'undefined' && Object.defineProperties) {
|
|
Object.defineProperties(object, properties);
|
|
}
|
|
return object;
|
|
};
|
|
|
|
exports.inherits = function(ctor, superCtor) {
|
|
ctor.super_ = superCtor;
|
|
ctor.prototype = Object_create(superCtor.prototype, {
|
|
constructor: {
|
|
value: ctor,
|
|
enumerable: false,
|
|
writable: true,
|
|
configurable: true
|
|
}
|
|
});
|
|
};
|
|
|
|
var formatRegExp = /%[sdj%]/g;
|
|
exports.format = function(f) {
|
|
if (typeof f !== 'string') {
|
|
var objects = [];
|
|
for (var i = 0; i < arguments.length; i++) {
|
|
objects.push(exports.inspect(arguments[i]));
|
|
}
|
|
return objects.join(' ');
|
|
}
|
|
|
|
var i = 1;
|
|
var args = arguments;
|
|
var len = args.length;
|
|
var str = String(f).replace(formatRegExp, function(x) {
|
|
if (x === '%%') return '%';
|
|
if (i >= len) return x;
|
|
switch (x) {
|
|
case '%s': return String(args[i++]);
|
|
case '%d': return Number(args[i++]);
|
|
case '%j': return JSON.stringify(args[i++]);
|
|
default:
|
|
return x;
|
|
}
|
|
});
|
|
for(var x = args[i]; i < len; x = args[++i]){
|
|
if (x === null || typeof x !== 'object') {
|
|
str += ' ' + x;
|
|
} else {
|
|
str += ' ' + exports.inspect(x);
|
|
}
|
|
}
|
|
return str;
|
|
};
|
|
|
|
},{"events":16}],17:[function(require,module,exports){
|
|
// Underscore.js 1.6.0
|
|
// http://underscorejs.org
|
|
// (c) 2009-2014 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
|
|
// Underscore may be freely distributed under the MIT license.
|
|
|
|
(function() {
|
|
|
|
// Baseline setup
|
|
// --------------
|
|
|
|
// Establish the root object, `window` in the browser, or `exports` on the server.
|
|
var root = this;
|
|
|
|
// Save the previous value of the `_` variable.
|
|
var previousUnderscore = root._;
|
|
|
|
// Establish the object that gets returned to break out of a loop iteration.
|
|
var breaker = {};
|
|
|
|
// Save bytes in the minified (but not gzipped) version:
|
|
var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype;
|
|
|
|
// Create quick reference variables for speed access to core prototypes.
|
|
var
|
|
push = ArrayProto.push,
|
|
slice = ArrayProto.slice,
|
|
concat = ArrayProto.concat,
|
|
toString = ObjProto.toString,
|
|
hasOwnProperty = ObjProto.hasOwnProperty;
|
|
|
|
// All **ECMAScript 5** native function implementations that we hope to use
|
|
// are declared here.
|
|
var
|
|
nativeForEach = ArrayProto.forEach,
|
|
nativeMap = ArrayProto.map,
|
|
nativeReduce = ArrayProto.reduce,
|
|
nativeReduceRight = ArrayProto.reduceRight,
|
|
nativeFilter = ArrayProto.filter,
|
|
nativeEvery = ArrayProto.every,
|
|
nativeSome = ArrayProto.some,
|
|
nativeIndexOf = ArrayProto.indexOf,
|
|
nativeLastIndexOf = ArrayProto.lastIndexOf,
|
|
nativeIsArray = Array.isArray,
|
|
nativeKeys = Object.keys,
|
|
nativeBind = FuncProto.bind;
|
|
|
|
// Create a safe reference to the Underscore object for use below.
|
|
var _ = function(obj) {
|
|
if (obj instanceof _) return obj;
|
|
if (!(this instanceof _)) return new _(obj);
|
|
this._wrapped = obj;
|
|
};
|
|
|
|
// Export the Underscore object for **Node.js**, with
|
|
// backwards-compatibility for the old `require()` API. If we're in
|
|
// the browser, add `_` as a global object via a string identifier,
|
|
// for Closure Compiler "advanced" mode.
|
|
if (typeof exports !== 'undefined') {
|
|
if (typeof module !== 'undefined' && module.exports) {
|
|
exports = module.exports = _;
|
|
}
|
|
exports._ = _;
|
|
} else {
|
|
root._ = _;
|
|
}
|
|
|
|
// Current version.
|
|
_.VERSION = '1.6.0';
|
|
|
|
// Collection Functions
|
|
// --------------------
|
|
|
|
// The cornerstone, an `each` implementation, aka `forEach`.
|
|
// Handles objects with the built-in `forEach`, arrays, and raw objects.
|
|
// Delegates to **ECMAScript 5**'s native `forEach` if available.
|
|
var each = _.each = _.forEach = function(obj, iterator, context) {
|
|
if (obj == null) return obj;
|
|
if (nativeForEach && obj.forEach === nativeForEach) {
|
|
obj.forEach(iterator, context);
|
|
} else if (obj.length === +obj.length) {
|
|
for (var i = 0, length = obj.length; i < length; i++) {
|
|
if (iterator.call(context, obj[i], i, obj) === breaker) return;
|
|
}
|
|
} else {
|
|
var keys = _.keys(obj);
|
|
for (var i = 0, length = keys.length; i < length; i++) {
|
|
if (iterator.call(context, obj[keys[i]], keys[i], obj) === breaker) return;
|
|
}
|
|
}
|
|
return obj;
|
|
};
|
|
|
|
// Return the results of applying the iterator to each element.
|
|
// Delegates to **ECMAScript 5**'s native `map` if available.
|
|
_.map = _.collect = function(obj, iterator, context) {
|
|
var results = [];
|
|
if (obj == null) return results;
|
|
if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context);
|
|
each(obj, function(value, index, list) {
|
|
results.push(iterator.call(context, value, index, list));
|
|
});
|
|
return results;
|
|
};
|
|
|
|
var reduceError = 'Reduce of empty array with no initial value';
|
|
|
|
// **Reduce** builds up a single result from a list of values, aka `inject`,
|
|
// or `foldl`. Delegates to **ECMAScript 5**'s native `reduce` if available.
|
|
_.reduce = _.foldl = _.inject = function(obj, iterator, memo, context) {
|
|
var initial = arguments.length > 2;
|
|
if (obj == null) obj = [];
|
|
if (nativeReduce && obj.reduce === nativeReduce) {
|
|
if (context) iterator = _.bind(iterator, context);
|
|
return initial ? obj.reduce(iterator, memo) : obj.reduce(iterator);
|
|
}
|
|
each(obj, function(value, index, list) {
|
|
if (!initial) {
|
|
memo = value;
|
|
initial = true;
|
|
} else {
|
|
memo = iterator.call(context, memo, value, index, list);
|
|
}
|
|
});
|
|
if (!initial) throw new TypeError(reduceError);
|
|
return memo;
|
|
};
|
|
|
|
// The right-associative version of reduce, also known as `foldr`.
|
|
// Delegates to **ECMAScript 5**'s native `reduceRight` if available.
|
|
_.reduceRight = _.foldr = function(obj, iterator, memo, context) {
|
|
var initial = arguments.length > 2;
|
|
if (obj == null) obj = [];
|
|
if (nativeReduceRight && obj.reduceRight === nativeReduceRight) {
|
|
if (context) iterator = _.bind(iterator, context);
|
|
return initial ? obj.reduceRight(iterator, memo) : obj.reduceRight(iterator);
|
|
}
|
|
var length = obj.length;
|
|
if (length !== +length) {
|
|
var keys = _.keys(obj);
|
|
length = keys.length;
|
|
}
|
|
each(obj, function(value, index, list) {
|
|
index = keys ? keys[--length] : --length;
|
|
if (!initial) {
|
|
memo = obj[index];
|
|
initial = true;
|
|
} else {
|
|
memo = iterator.call(context, memo, obj[index], index, list);
|
|
}
|
|
});
|
|
if (!initial) throw new TypeError(reduceError);
|
|
return memo;
|
|
};
|
|
|
|
// Return the first value which passes a truth test. Aliased as `detect`.
|
|
_.find = _.detect = function(obj, predicate, context) {
|
|
var result;
|
|
any(obj, function(value, index, list) {
|
|
if (predicate.call(context, value, index, list)) {
|
|
result = value;
|
|
return true;
|
|
}
|
|
});
|
|
return result;
|
|
};
|
|
|
|
// Return all the elements that pass a truth test.
|
|
// Delegates to **ECMAScript 5**'s native `filter` if available.
|
|
// Aliased as `select`.
|
|
_.filter = _.select = function(obj, predicate, context) {
|
|
var results = [];
|
|
if (obj == null) return results;
|
|
if (nativeFilter && obj.filter === nativeFilter) return obj.filter(predicate, context);
|
|
each(obj, function(value, index, list) {
|
|
if (predicate.call(context, value, index, list)) results.push(value);
|
|
});
|
|
return results;
|
|
};
|
|
|
|
// Return all the elements for which a truth test fails.
|
|
_.reject = function(obj, predicate, context) {
|
|
return _.filter(obj, function(value, index, list) {
|
|
return !predicate.call(context, value, index, list);
|
|
}, context);
|
|
};
|
|
|
|
// Determine whether all of the elements match a truth test.
|
|
// Delegates to **ECMAScript 5**'s native `every` if available.
|
|
// Aliased as `all`.
|
|
_.every = _.all = function(obj, predicate, context) {
|
|
predicate || (predicate = _.identity);
|
|
var result = true;
|
|
if (obj == null) return result;
|
|
if (nativeEvery && obj.every === nativeEvery) return obj.every(predicate, context);
|
|
each(obj, function(value, index, list) {
|
|
if (!(result = result && predicate.call(context, value, index, list))) return breaker;
|
|
});
|
|
return !!result;
|
|
};
|
|
|
|
// Determine if at least one element in the object matches a truth test.
|
|
// Delegates to **ECMAScript 5**'s native `some` if available.
|
|
// Aliased as `any`.
|
|
var any = _.some = _.any = function(obj, predicate, context) {
|
|
predicate || (predicate = _.identity);
|
|
var result = false;
|
|
if (obj == null) return result;
|
|
if (nativeSome && obj.some === nativeSome) return obj.some(predicate, context);
|
|
each(obj, function(value, index, list) {
|
|
if (result || (result = predicate.call(context, value, index, list))) return breaker;
|
|
});
|
|
return !!result;
|
|
};
|
|
|
|
// Determine if the array or object contains a given value (using `===`).
|
|
// Aliased as `include`.
|
|
_.contains = _.include = function(obj, target) {
|
|
if (obj == null) return false;
|
|
if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
|
|
return any(obj, function(value) {
|
|
return value === target;
|
|
});
|
|
};
|
|
|
|
// Invoke a method (with arguments) on every item in a collection.
|
|
_.invoke = function(obj, method) {
|
|
var args = slice.call(arguments, 2);
|
|
var isFunc = _.isFunction(method);
|
|
return _.map(obj, function(value) {
|
|
return (isFunc ? method : value[method]).apply(value, args);
|
|
});
|
|
};
|
|
|
|
// Convenience version of a common use case of `map`: fetching a property.
|
|
_.pluck = function(obj, key) {
|
|
return _.map(obj, _.property(key));
|
|
};
|
|
|
|
// Convenience version of a common use case of `filter`: selecting only objects
|
|
// containing specific `key:value` pairs.
|
|
_.where = function(obj, attrs) {
|
|
return _.filter(obj, _.matches(attrs));
|
|
};
|
|
|
|
// Convenience version of a common use case of `find`: getting the first object
|
|
// containing specific `key:value` pairs.
|
|
_.findWhere = function(obj, attrs) {
|
|
return _.find(obj, _.matches(attrs));
|
|
};
|
|
|
|
// Return the maximum element or (element-based computation).
|
|
// Can't optimize arrays of integers longer than 65,535 elements.
|
|
// See [WebKit Bug 80797](https://bugs.webkit.org/show_bug.cgi?id=80797)
|
|
_.max = function(obj, iterator, context) {
|
|
if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {
|
|
return Math.max.apply(Math, obj);
|
|
}
|
|
var result = -Infinity, lastComputed = -Infinity;
|
|
each(obj, function(value, index, list) {
|
|
var computed = iterator ? iterator.call(context, value, index, list) : value;
|
|
if (computed > lastComputed) {
|
|
result = value;
|
|
lastComputed = computed;
|
|
}
|
|
});
|
|
return result;
|
|
};
|
|
|
|
// Return the minimum element (or element-based computation).
|
|
_.min = function(obj, iterator, context) {
|
|
if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {
|
|
return Math.min.apply(Math, obj);
|
|
}
|
|
var result = Infinity, lastComputed = Infinity;
|
|
each(obj, function(value, index, list) {
|
|
var computed = iterator ? iterator.call(context, value, index, list) : value;
|
|
if (computed < lastComputed) {
|
|
result = value;
|
|
lastComputed = computed;
|
|
}
|
|
});
|
|
return result;
|
|
};
|
|
|
|
// Shuffle an array, using the modern version of the
|
|
// [Fisher-Yates shuffle](http://en.wikipedia.org/wiki/Fisher–Yates_shuffle).
|
|
_.shuffle = function(obj) {
|
|
var rand;
|
|
var index = 0;
|
|
var shuffled = [];
|
|
each(obj, function(value) {
|
|
rand = _.random(index++);
|
|
shuffled[index - 1] = shuffled[rand];
|
|
shuffled[rand] = value;
|
|
});
|
|
return shuffled;
|
|
};
|
|
|
|
// Sample **n** random values from a collection.
|
|
// If **n** is not specified, returns a single random element.
|
|
// The internal `guard` argument allows it to work with `map`.
|
|
_.sample = function(obj, n, guard) {
|
|
if (n == null || guard) {
|
|
if (obj.length !== +obj.length) obj = _.values(obj);
|
|
return obj[_.random(obj.length - 1)];
|
|
}
|
|
return _.shuffle(obj).slice(0, Math.max(0, n));
|
|
};
|
|
|
|
// An internal function to generate lookup iterators.
|
|
var lookupIterator = function(value) {
|
|
if (value == null) return _.identity;
|
|
if (_.isFunction(value)) return value;
|
|
return _.property(value);
|
|
};
|
|
|
|
// Sort the object's values by a criterion produced by an iterator.
|
|
_.sortBy = function(obj, iterator, context) {
|
|
iterator = lookupIterator(iterator);
|
|
return _.pluck(_.map(obj, function(value, index, list) {
|
|
return {
|
|
value: value,
|
|
index: index,
|
|
criteria: iterator.call(context, value, index, list)
|
|
};
|
|
}).sort(function(left, right) {
|
|
var a = left.criteria;
|
|
var b = right.criteria;
|
|
if (a !== b) {
|
|
if (a > b || a === void 0) return 1;
|
|
if (a < b || b === void 0) return -1;
|
|
}
|
|
return left.index - right.index;
|
|
}), 'value');
|
|
};
|
|
|
|
// An internal function used for aggregate "group by" operations.
|
|
var group = function(behavior) {
|
|
return function(obj, iterator, context) {
|
|
var result = {};
|
|
iterator = lookupIterator(iterator);
|
|
each(obj, function(value, index) {
|
|
var key = iterator.call(context, value, index, obj);
|
|
behavior(result, key, value);
|
|
});
|
|
return result;
|
|
};
|
|
};
|
|
|
|
// Groups the object's values by a criterion. Pass either a string attribute
|
|
// to group by, or a function that returns the criterion.
|
|
_.groupBy = group(function(result, key, value) {
|
|
_.has(result, key) ? result[key].push(value) : result[key] = [value];
|
|
});
|
|
|
|
// Indexes the object's values by a criterion, similar to `groupBy`, but for
|
|
// when you know that your index values will be unique.
|
|
_.indexBy = group(function(result, key, value) {
|
|
result[key] = value;
|
|
});
|
|
|
|
// Counts instances of an object that group by a certain criterion. Pass
|
|
// either a string attribute to count by, or a function that returns the
|
|
// criterion.
|
|
_.countBy = group(function(result, key) {
|
|
_.has(result, key) ? result[key]++ : result[key] = 1;
|
|
});
|
|
|
|
// Use a comparator function to figure out the smallest index at which
|
|
// an object should be inserted so as to maintain order. Uses binary search.
|
|
_.sortedIndex = function(array, obj, iterator, context) {
|
|
iterator = lookupIterator(iterator);
|
|
var value = iterator.call(context, obj);
|
|
var low = 0, high = array.length;
|
|
while (low < high) {
|
|
var mid = (low + high) >>> 1;
|
|
iterator.call(context, array[mid]) < value ? low = mid + 1 : high = mid;
|
|
}
|
|
return low;
|
|
};
|
|
|
|
// Safely create a real, live array from anything iterable.
|
|
_.toArray = function(obj) {
|
|
if (!obj) return [];
|
|
if (_.isArray(obj)) return slice.call(obj);
|
|
if (obj.length === +obj.length) return _.map(obj, _.identity);
|
|
return _.values(obj);
|
|
};
|
|
|
|
// Return the number of elements in an object.
|
|
_.size = function(obj) {
|
|
if (obj == null) return 0;
|
|
return (obj.length === +obj.length) ? obj.length : _.keys(obj).length;
|
|
};
|
|
|
|
// Array Functions
|
|
// ---------------
|
|
|
|
// Get the first element of an array. Passing **n** will return the first N
|
|
// values in the array. Aliased as `head` and `take`. The **guard** check
|
|
// allows it to work with `_.map`.
|
|
_.first = _.head = _.take = function(array, n, guard) {
|
|
if (array == null) return void 0;
|
|
if ((n == null) || guard) return array[0];
|
|
if (n < 0) return [];
|
|
return slice.call(array, 0, n);
|
|
};
|
|
|
|
// Returns everything but the last entry of the array. Especially useful on
|
|
// the arguments object. Passing **n** will return all the values in
|
|
// the array, excluding the last N. The **guard** check allows it to work with
|
|
// `_.map`.
|
|
_.initial = function(array, n, guard) {
|
|
return slice.call(array, 0, array.length - ((n == null) || guard ? 1 : n));
|
|
};
|
|
|
|
// Get the last element of an array. Passing **n** will return the last N
|
|
// values in the array. The **guard** check allows it to work with `_.map`.
|
|
_.last = function(array, n, guard) {
|
|
if (array == null) return void 0;
|
|
if ((n == null) || guard) return array[array.length - 1];
|
|
return slice.call(array, Math.max(array.length - n, 0));
|
|
};
|
|
|
|
// Returns everything but the first entry of the array. Aliased as `tail` and `drop`.
|
|
// Especially useful on the arguments object. Passing an **n** will return
|
|
// the rest N values in the array. The **guard**
|
|
// check allows it to work with `_.map`.
|
|
_.rest = _.tail = _.drop = function(array, n, guard) {
|
|
return slice.call(array, (n == null) || guard ? 1 : n);
|
|
};
|
|
|
|
// Trim out all falsy values from an array.
|
|
_.compact = function(array) {
|
|
return _.filter(array, _.identity);
|
|
};
|
|
|
|
// Internal implementation of a recursive `flatten` function.
|
|
var flatten = function(input, shallow, output) {
|
|
if (shallow && _.every(input, _.isArray)) {
|
|
return concat.apply(output, input);
|
|
}
|
|
each(input, function(value) {
|
|
if (_.isArray(value) || _.isArguments(value)) {
|
|
shallow ? push.apply(output, value) : flatten(value, shallow, output);
|
|
} else {
|
|
output.push(value);
|
|
}
|
|
});
|
|
return output;
|
|
};
|
|
|
|
// Flatten out an array, either recursively (by default), or just one level.
|
|
_.flatten = function(array, shallow) {
|
|
return flatten(array, shallow, []);
|
|
};
|
|
|
|
// Return a version of the array that does not contain the specified value(s).
|
|
_.without = function(array) {
|
|
return _.difference(array, slice.call(arguments, 1));
|
|
};
|
|
|
|
// Split an array into two arrays: one whose elements all satisfy the given
|
|
// predicate, and one whose elements all do not satisfy the predicate.
|
|
_.partition = function(array, predicate) {
|
|
var pass = [], fail = [];
|
|
each(array, function(elem) {
|
|
(predicate(elem) ? pass : fail).push(elem);
|
|
});
|
|
return [pass, fail];
|
|
};
|
|
|
|
// Produce a duplicate-free version of the array. If the array has already
|
|
// been sorted, you have the option of using a faster algorithm.
|
|
// Aliased as `unique`.
|
|
_.uniq = _.unique = function(array, isSorted, iterator, context) {
|
|
if (_.isFunction(isSorted)) {
|
|
context = iterator;
|
|
iterator = isSorted;
|
|
isSorted = false;
|
|
}
|
|
var initial = iterator ? _.map(array, iterator, context) : array;
|
|
var results = [];
|
|
var seen = [];
|
|
each(initial, function(value, index) {
|
|
if (isSorted ? (!index || seen[seen.length - 1] !== value) : !_.contains(seen, value)) {
|
|
seen.push(value);
|
|
results.push(array[index]);
|
|
}
|
|
});
|
|
return results;
|
|
};
|
|
|
|
// Produce an array that contains the union: each distinct element from all of
|
|
// the passed-in arrays.
|
|
_.union = function() {
|
|
return _.uniq(_.flatten(arguments, true));
|
|
};
|
|
|
|
// Produce an array that contains every item shared between all the
|
|
// passed-in arrays.
|
|
_.intersection = function(array) {
|
|
var rest = slice.call(arguments, 1);
|
|
return _.filter(_.uniq(array), function(item) {
|
|
return _.every(rest, function(other) {
|
|
return _.contains(other, item);
|
|
});
|
|
});
|
|
};
|
|
|
|
// Take the difference between one array and a number of other arrays.
|
|
// Only the elements present in just the first array will remain.
|
|
_.difference = function(array) {
|
|
var rest = concat.apply(ArrayProto, slice.call(arguments, 1));
|
|
return _.filter(array, function(value){ return !_.contains(rest, value); });
|
|
};
|
|
|
|
// Zip together multiple lists into a single array -- elements that share
|
|
// an index go together.
|
|
_.zip = function() {
|
|
var length = _.max(_.pluck(arguments, 'length').concat(0));
|
|
var results = new Array(length);
|
|
for (var i = 0; i < length; i++) {
|
|
results[i] = _.pluck(arguments, '' + i);
|
|
}
|
|
return results;
|
|
};
|
|
|
|
// Converts lists into objects. Pass either a single array of `[key, value]`
|
|
// pairs, or two parallel arrays of the same length -- one of keys, and one of
|
|
// the corresponding values.
|
|
_.object = function(list, values) {
|
|
if (list == null) return {};
|
|
var result = {};
|
|
for (var i = 0, length = list.length; i < length; i++) {
|
|
if (values) {
|
|
result[list[i]] = values[i];
|
|
} else {
|
|
result[list[i][0]] = list[i][1];
|
|
}
|
|
}
|
|
return result;
|
|
};
|
|
|
|
// If the browser doesn't supply us with indexOf (I'm looking at you, **MSIE**),
|
|
// we need this function. Return the position of the first occurrence of an
|
|
// item in an array, or -1 if the item is not included in the array.
|
|
// Delegates to **ECMAScript 5**'s native `indexOf` if available.
|
|
// If the array is large and already in sort order, pass `true`
|
|
// for **isSorted** to use binary search.
|
|
_.indexOf = function(array, item, isSorted) {
|
|
if (array == null) return -1;
|
|
var i = 0, length = array.length;
|
|
if (isSorted) {
|
|
if (typeof isSorted == 'number') {
|
|
i = (isSorted < 0 ? Math.max(0, length + isSorted) : isSorted);
|
|
} else {
|
|
i = _.sortedIndex(array, item);
|
|
return array[i] === item ? i : -1;
|
|
}
|
|
}
|
|
if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item, isSorted);
|
|
for (; i < length; i++) if (array[i] === item) return i;
|
|
return -1;
|
|
};
|
|
|
|
// Delegates to **ECMAScript 5**'s native `lastIndexOf` if available.
|
|
_.lastIndexOf = function(array, item, from) {
|
|
if (array == null) return -1;
|
|
var hasIndex = from != null;
|
|
if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) {
|
|
return hasIndex ? array.lastIndexOf(item, from) : array.lastIndexOf(item);
|
|
}
|
|
var i = (hasIndex ? from : array.length);
|
|
while (i--) if (array[i] === item) return i;
|
|
return -1;
|
|
};
|
|
|
|
// Generate an integer Array containing an arithmetic progression. A port of
|
|
// the native Python `range()` function. See
|
|
// [the Python documentation](http://docs.python.org/library/functions.html#range).
|
|
_.range = function(start, stop, step) {
|
|
if (arguments.length <= 1) {
|
|
stop = start || 0;
|
|
start = 0;
|
|
}
|
|
step = arguments[2] || 1;
|
|
|
|
var length = Math.max(Math.ceil((stop - start) / step), 0);
|
|
var idx = 0;
|
|
var range = new Array(length);
|
|
|
|
while(idx < length) {
|
|
range[idx++] = start;
|
|
start += step;
|
|
}
|
|
|
|
return range;
|
|
};
|
|
|
|
// Function (ahem) Functions
|
|
// ------------------
|
|
|
|
// Reusable constructor function for prototype setting.
|
|
var ctor = function(){};
|
|
|
|
// Create a function bound to a given object (assigning `this`, and arguments,
|
|
// optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if
|
|
// available.
|
|
_.bind = function(func, context) {
|
|
var args, bound;
|
|
if (nativeBind && func.bind === nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));
|
|
if (!_.isFunction(func)) throw new TypeError;
|
|
args = slice.call(arguments, 2);
|
|
return bound = function() {
|
|
if (!(this instanceof bound)) return func.apply(context, args.concat(slice.call(arguments)));
|
|
ctor.prototype = func.prototype;
|
|
var self = new ctor;
|
|
ctor.prototype = null;
|
|
var result = func.apply(self, args.concat(slice.call(arguments)));
|
|
if (Object(result) === result) return result;
|
|
return self;
|
|
};
|
|
};
|
|
|
|
// Partially apply a function by creating a version that has had some of its
|
|
// arguments pre-filled, without changing its dynamic `this` context. _ acts
|
|
// as a placeholder, allowing any combination of arguments to be pre-filled.
|
|
_.partial = function(func) {
|
|
var boundArgs = slice.call(arguments, 1);
|
|
return function() {
|
|
var position = 0;
|
|
var args = boundArgs.slice();
|
|
for (var i = 0, length = args.length; i < length; i++) {
|
|
if (args[i] === _) args[i] = arguments[position++];
|
|
}
|
|
while (position < arguments.length) args.push(arguments[position++]);
|
|
return func.apply(this, args);
|
|
};
|
|
};
|
|
|
|
// Bind a number of an object's methods to that object. Remaining arguments
|
|
// are the method names to be bound. Useful for ensuring that all callbacks
|
|
// defined on an object belong to it.
|
|
_.bindAll = function(obj) {
|
|
var funcs = slice.call(arguments, 1);
|
|
if (funcs.length === 0) throw new Error('bindAll must be passed function names');
|
|
each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); });
|
|
return obj;
|
|
};
|
|
|
|
// Memoize an expensive function by storing its results.
|
|
_.memoize = function(func, hasher) {
|
|
var memo = {};
|
|
hasher || (hasher = _.identity);
|
|
return function() {
|
|
var key = hasher.apply(this, arguments);
|
|
return _.has(memo, key) ? memo[key] : (memo[key] = func.apply(this, arguments));
|
|
};
|
|
};
|
|
|
|
// Delays a function for the given number of milliseconds, and then calls
|
|
// it with the arguments supplied.
|
|
_.delay = function(func, wait) {
|
|
var args = slice.call(arguments, 2);
|
|
return setTimeout(function(){ return func.apply(null, args); }, wait);
|
|
};
|
|
|
|
// Defers a function, scheduling it to run after the current call stack has
|
|
// cleared.
|
|
_.defer = function(func) {
|
|
return _.delay.apply(_, [func, 1].concat(slice.call(arguments, 1)));
|
|
};
|
|
|
|
// Returns a function, that, when invoked, will only be triggered at most once
|
|
// during a given window of time. Normally, the throttled function will run
|
|
// as much as it can, without ever going more than once per `wait` duration;
|
|
// but if you'd like to disable the execution on the leading edge, pass
|
|
// `{leading: false}`. To disable execution on the trailing edge, ditto.
|
|
_.throttle = function(func, wait, options) {
|
|
var context, args, result;
|
|
var timeout = null;
|
|
var previous = 0;
|
|
options || (options = {});
|
|
var later = function() {
|
|
previous = options.leading === false ? 0 : _.now();
|
|
timeout = null;
|
|
result = func.apply(context, args);
|
|
context = args = null;
|
|
};
|
|
return function() {
|
|
var now = _.now();
|
|
if (!previous && options.leading === false) previous = now;
|
|
var remaining = wait - (now - previous);
|
|
context = this;
|
|
args = arguments;
|
|
if (remaining <= 0) {
|
|
clearTimeout(timeout);
|
|
timeout = null;
|
|
previous = now;
|
|
result = func.apply(context, args);
|
|
context = args = null;
|
|
} else if (!timeout && options.trailing !== false) {
|
|
timeout = setTimeout(later, remaining);
|
|
}
|
|
return result;
|
|
};
|
|
};
|
|
|
|
// Returns a function, that, as long as it continues to be invoked, will not
|
|
// be triggered. The function will be called after it stops being called for
|
|
// N milliseconds. If `immediate` is passed, trigger the function on the
|
|
// leading edge, instead of the trailing.
|
|
_.debounce = function(func, wait, immediate) {
|
|
var timeout, args, context, timestamp, result;
|
|
|
|
var later = function() {
|
|
var last = _.now() - timestamp;
|
|
if (last < wait) {
|
|
timeout = setTimeout(later, wait - last);
|
|
} else {
|
|
timeout = null;
|
|
if (!immediate) {
|
|
result = func.apply(context, args);
|
|
context = args = null;
|
|
}
|
|
}
|
|
};
|
|
|
|
return function() {
|
|
context = this;
|
|
args = arguments;
|
|
timestamp = _.now();
|
|
var callNow = immediate && !timeout;
|
|
if (!timeout) {
|
|
timeout = setTimeout(later, wait);
|
|
}
|
|
if (callNow) {
|
|
result = func.apply(context, args);
|
|
context = args = null;
|
|
}
|
|
|
|
return result;
|
|
};
|
|
};
|
|
|
|
// Returns a function that will be executed at most one time, no matter how
|
|
// often you call it. Useful for lazy initialization.
|
|
_.once = function(func) {
|
|
var ran = false, memo;
|
|
return function() {
|
|
if (ran) return memo;
|
|
ran = true;
|
|
memo = func.apply(this, arguments);
|
|
func = null;
|
|
return memo;
|
|
};
|
|
};
|
|
|
|
// Returns the first function passed as an argument to the second,
|
|
// allowing you to adjust arguments, run code before and after, and
|
|
// conditionally execute the original function.
|
|
_.wrap = function(func, wrapper) {
|
|
return _.partial(wrapper, func);
|
|
};
|
|
|
|
// Returns a function that is the composition of a list of functions, each
|
|
// consuming the return value of the function that follows.
|
|
_.compose = function() {
|
|
var funcs = arguments;
|
|
return function() {
|
|
var args = arguments;
|
|
for (var i = funcs.length - 1; i >= 0; i--) {
|
|
args = [funcs[i].apply(this, args)];
|
|
}
|
|
return args[0];
|
|
};
|
|
};
|
|
|
|
// Returns a function that will only be executed after being called N times.
|
|
_.after = function(times, func) {
|
|
return function() {
|
|
if (--times < 1) {
|
|
return func.apply(this, arguments);
|
|
}
|
|
};
|
|
};
|
|
|
|
// Object Functions
|
|
// ----------------
|
|
|
|
// Retrieve the names of an object's properties.
|
|
// Delegates to **ECMAScript 5**'s native `Object.keys`
|
|
_.keys = function(obj) {
|
|
if (!_.isObject(obj)) return [];
|
|
if (nativeKeys) return nativeKeys(obj);
|
|
var keys = [];
|
|
for (var key in obj) if (_.has(obj, key)) keys.push(key);
|
|
return keys;
|
|
};
|
|
|
|
// Retrieve the values of an object's properties.
|
|
_.values = function(obj) {
|
|
var keys = _.keys(obj);
|
|
var length = keys.length;
|
|
var values = new Array(length);
|
|
for (var i = 0; i < length; i++) {
|
|
values[i] = obj[keys[i]];
|
|
}
|
|
return values;
|
|
};
|
|
|
|
// Convert an object into a list of `[key, value]` pairs.
|
|
_.pairs = function(obj) {
|
|
var keys = _.keys(obj);
|
|
var length = keys.length;
|
|
var pairs = new Array(length);
|
|
for (var i = 0; i < length; i++) {
|
|
pairs[i] = [keys[i], obj[keys[i]]];
|
|
}
|
|
return pairs;
|
|
};
|
|
|
|
// Invert the keys and values of an object. The values must be serializable.
|
|
_.invert = function(obj) {
|
|
var result = {};
|
|
var keys = _.keys(obj);
|
|
for (var i = 0, length = keys.length; i < length; i++) {
|
|
result[obj[keys[i]]] = keys[i];
|
|
}
|
|
return result;
|
|
};
|
|
|
|
// Return a sorted list of the function names available on the object.
|
|
// Aliased as `methods`
|
|
_.functions = _.methods = function(obj) {
|
|
var names = [];
|
|
for (var key in obj) {
|
|
if (_.isFunction(obj[key])) names.push(key);
|
|
}
|
|
return names.sort();
|
|
};
|
|
|
|
// Extend a given object with all the properties in passed-in object(s).
|
|
_.extend = function(obj) {
|
|
each(slice.call(arguments, 1), function(source) {
|
|
if (source) {
|
|
for (var prop in source) {
|
|
obj[prop] = source[prop];
|
|
}
|
|
}
|
|
});
|
|
return obj;
|
|
};
|
|
|
|
// Return a copy of the object only containing the whitelisted properties.
|
|
_.pick = function(obj) {
|
|
var copy = {};
|
|
var keys = concat.apply(ArrayProto, slice.call(arguments, 1));
|
|
each(keys, function(key) {
|
|
if (key in obj) copy[key] = obj[key];
|
|
});
|
|
return copy;
|
|
};
|
|
|
|
// Return a copy of the object without the blacklisted properties.
|
|
_.omit = function(obj) {
|
|
var copy = {};
|
|
var keys = concat.apply(ArrayProto, slice.call(arguments, 1));
|
|
for (var key in obj) {
|
|
if (!_.contains(keys, key)) copy[key] = obj[key];
|
|
}
|
|
return copy;
|
|
};
|
|
|
|
// Fill in a given object with default properties.
|
|
_.defaults = function(obj) {
|
|
each(slice.call(arguments, 1), function(source) {
|
|
if (source) {
|
|
for (var prop in source) {
|
|
if (obj[prop] === void 0) obj[prop] = source[prop];
|
|
}
|
|
}
|
|
});
|
|
return obj;
|
|
};
|
|
|
|
// Create a (shallow-cloned) duplicate of an object.
|
|
_.clone = function(obj) {
|
|
if (!_.isObject(obj)) return obj;
|
|
return _.isArray(obj) ? obj.slice() : _.extend({}, obj);
|
|
};
|
|
|
|
// Invokes interceptor with the obj, and then returns obj.
|
|
// The primary purpose of this method is to "tap into" a method chain, in
|
|
// order to perform operations on intermediate results within the chain.
|
|
_.tap = function(obj, interceptor) {
|
|
interceptor(obj);
|
|
return obj;
|
|
};
|
|
|
|
// Internal recursive comparison function for `isEqual`.
|
|
var eq = function(a, b, aStack, bStack) {
|
|
// Identical objects are equal. `0 === -0`, but they aren't identical.
|
|
// See the [Harmony `egal` proposal](http://wiki.ecmascript.org/doku.php?id=harmony:egal).
|
|
if (a === b) return a !== 0 || 1 / a == 1 / b;
|
|
// A strict comparison is necessary because `null == undefined`.
|
|
if (a == null || b == null) return a === b;
|
|
// Unwrap any wrapped objects.
|
|
if (a instanceof _) a = a._wrapped;
|
|
if (b instanceof _) b = b._wrapped;
|
|
// Compare `[[Class]]` names.
|
|
var className = toString.call(a);
|
|
if (className != toString.call(b)) return false;
|
|
switch (className) {
|
|
// Strings, numbers, dates, and booleans are compared by value.
|
|
case '[object String]':
|
|
// Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is
|
|
// equivalent to `new String("5")`.
|
|
return a == String(b);
|
|
case '[object Number]':
|
|
// `NaN`s are equivalent, but non-reflexive. An `egal` comparison is performed for
|
|
// other numeric values.
|
|
return a != +a ? b != +b : (a == 0 ? 1 / a == 1 / b : a == +b);
|
|
case '[object Date]':
|
|
case '[object Boolean]':
|
|
// Coerce dates and booleans to numeric primitive values. Dates are compared by their
|
|
// millisecond representations. Note that invalid dates with millisecond representations
|
|
// of `NaN` are not equivalent.
|
|
return +a == +b;
|
|
// RegExps are compared by their source patterns and flags.
|
|
case '[object RegExp]':
|
|
return a.source == b.source &&
|
|
a.global == b.global &&
|
|
a.multiline == b.multiline &&
|
|
a.ignoreCase == b.ignoreCase;
|
|
}
|
|
if (typeof a != 'object' || typeof b != 'object') return false;
|
|
// Assume equality for cyclic structures. The algorithm for detecting cyclic
|
|
// structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.
|
|
var length = aStack.length;
|
|
while (length--) {
|
|
// Linear search. Performance is inversely proportional to the number of
|
|
// unique nested structures.
|
|
if (aStack[length] == a) return bStack[length] == b;
|
|
}
|
|
// Objects with different constructors are not equivalent, but `Object`s
|
|
// from different frames are.
|
|
var aCtor = a.constructor, bCtor = b.constructor;
|
|
if (aCtor !== bCtor && !(_.isFunction(aCtor) && (aCtor instanceof aCtor) &&
|
|
_.isFunction(bCtor) && (bCtor instanceof bCtor))
|
|
&& ('constructor' in a && 'constructor' in b)) {
|
|
return false;
|
|
}
|
|
// Add the first object to the stack of traversed objects.
|
|
aStack.push(a);
|
|
bStack.push(b);
|
|
var size = 0, result = true;
|
|
// Recursively compare objects and arrays.
|
|
if (className == '[object Array]') {
|
|
// Compare array lengths to determine if a deep comparison is necessary.
|
|
size = a.length;
|
|
result = size == b.length;
|
|
if (result) {
|
|
// Deep compare the contents, ignoring non-numeric properties.
|
|
while (size--) {
|
|
if (!(result = eq(a[size], b[size], aStack, bStack))) break;
|
|
}
|
|
}
|
|
} else {
|
|
// Deep compare objects.
|
|
for (var key in a) {
|
|
if (_.has(a, key)) {
|
|
// Count the expected number of properties.
|
|
size++;
|
|
// Deep compare each member.
|
|
if (!(result = _.has(b, key) && eq(a[key], b[key], aStack, bStack))) break;
|
|
}
|
|
}
|
|
// Ensure that both objects contain the same number of properties.
|
|
if (result) {
|
|
for (key in b) {
|
|
if (_.has(b, key) && !(size--)) break;
|
|
}
|
|
result = !size;
|
|
}
|
|
}
|
|
// Remove the first object from the stack of traversed objects.
|
|
aStack.pop();
|
|
bStack.pop();
|
|
return result;
|
|
};
|
|
|
|
// Perform a deep comparison to check if two objects are equal.
|
|
_.isEqual = function(a, b) {
|
|
return eq(a, b, [], []);
|
|
};
|
|
|
|
// Is a given array, string, or object empty?
|
|
// An "empty" object has no enumerable own-properties.
|
|
_.isEmpty = function(obj) {
|
|
if (obj == null) return true;
|
|
if (_.isArray(obj) || _.isString(obj)) return obj.length === 0;
|
|
for (var key in obj) if (_.has(obj, key)) return false;
|
|
return true;
|
|
};
|
|
|
|
// Is a given value a DOM element?
|
|
_.isElement = function(obj) {
|
|
return !!(obj && obj.nodeType === 1);
|
|
};
|
|
|
|
// Is a given value an array?
|
|
// Delegates to ECMA5's native Array.isArray
|
|
_.isArray = nativeIsArray || function(obj) {
|
|
return toString.call(obj) == '[object Array]';
|
|
};
|
|
|
|
// Is a given variable an object?
|
|
_.isObject = function(obj) {
|
|
return obj === Object(obj);
|
|
};
|
|
|
|
// Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp.
|
|
each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp'], function(name) {
|
|
_['is' + name] = function(obj) {
|
|
return toString.call(obj) == '[object ' + name + ']';
|
|
};
|
|
});
|
|
|
|
// Define a fallback version of the method in browsers (ahem, IE), where
|
|
// there isn't any inspectable "Arguments" type.
|
|
if (!_.isArguments(arguments)) {
|
|
_.isArguments = function(obj) {
|
|
return !!(obj && _.has(obj, 'callee'));
|
|
};
|
|
}
|
|
|
|
// Optimize `isFunction` if appropriate.
|
|
if (typeof (/./) !== 'function') {
|
|
_.isFunction = function(obj) {
|
|
return typeof obj === 'function';
|
|
};
|
|
}
|
|
|
|
// Is a given object a finite number?
|
|
_.isFinite = function(obj) {
|
|
return isFinite(obj) && !isNaN(parseFloat(obj));
|
|
};
|
|
|
|
// Is the given value `NaN`? (NaN is the only number which does not equal itself).
|
|
_.isNaN = function(obj) {
|
|
return _.isNumber(obj) && obj != +obj;
|
|
};
|
|
|
|
// Is a given value a boolean?
|
|
_.isBoolean = function(obj) {
|
|
return obj === true || obj === false || toString.call(obj) == '[object Boolean]';
|
|
};
|
|
|
|
// Is a given value equal to null?
|
|
_.isNull = function(obj) {
|
|
return obj === null;
|
|
};
|
|
|
|
// Is a given variable undefined?
|
|
_.isUndefined = function(obj) {
|
|
return obj === void 0;
|
|
};
|
|
|
|
// Shortcut function for checking if an object has a given property directly
|
|
// on itself (in other words, not on a prototype).
|
|
_.has = function(obj, key) {
|
|
return hasOwnProperty.call(obj, key);
|
|
};
|
|
|
|
// Utility Functions
|
|
// -----------------
|
|
|
|
// Run Underscore.js in *noConflict* mode, returning the `_` variable to its
|
|
// previous owner. Returns a reference to the Underscore object.
|
|
_.noConflict = function() {
|
|
root._ = previousUnderscore;
|
|
return this;
|
|
};
|
|
|
|
// Keep the identity function around for default iterators.
|
|
_.identity = function(value) {
|
|
return value;
|
|
};
|
|
|
|
_.constant = function(value) {
|
|
return function () {
|
|
return value;
|
|
};
|
|
};
|
|
|
|
_.property = function(key) {
|
|
return function(obj) {
|
|
return obj[key];
|
|
};
|
|
};
|
|
|
|
// Returns a predicate for checking whether an object has a given set of `key:value` pairs.
|
|
_.matches = function(attrs) {
|
|
return function(obj) {
|
|
if (obj === attrs) return true; //avoid comparing an object to itself.
|
|
for (var key in attrs) {
|
|
if (attrs[key] !== obj[key])
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
};
|
|
|
|
// Run a function **n** times.
|
|
_.times = function(n, iterator, context) {
|
|
var accum = Array(Math.max(0, n));
|
|
for (var i = 0; i < n; i++) accum[i] = iterator.call(context, i);
|
|
return accum;
|
|
};
|
|
|
|
// Return a random integer between min and max (inclusive).
|
|
_.random = function(min, max) {
|
|
if (max == null) {
|
|
max = min;
|
|
min = 0;
|
|
}
|
|
return min + Math.floor(Math.random() * (max - min + 1));
|
|
};
|
|
|
|
// A (possibly faster) way to get the current timestamp as an integer.
|
|
_.now = Date.now || function() { return new Date().getTime(); };
|
|
|
|
// List of HTML entities for escaping.
|
|
var entityMap = {
|
|
escape: {
|
|
'&': '&',
|
|
'<': '<',
|
|
'>': '>',
|
|
'"': '"',
|
|
"'": '''
|
|
}
|
|
};
|
|
entityMap.unescape = _.invert(entityMap.escape);
|
|
|
|
// Regexes containing the keys and values listed immediately above.
|
|
var entityRegexes = {
|
|
escape: new RegExp('[' + _.keys(entityMap.escape).join('') + ']', 'g'),
|
|
unescape: new RegExp('(' + _.keys(entityMap.unescape).join('|') + ')', 'g')
|
|
};
|
|
|
|
// Functions for escaping and unescaping strings to/from HTML interpolation.
|
|
_.each(['escape', 'unescape'], function(method) {
|
|
_[method] = function(string) {
|
|
if (string == null) return '';
|
|
return ('' + string).replace(entityRegexes[method], function(match) {
|
|
return entityMap[method][match];
|
|
});
|
|
};
|
|
});
|
|
|
|
// If the value of the named `property` is a function then invoke it with the
|
|
// `object` as context; otherwise, return it.
|
|
_.result = function(object, property) {
|
|
if (object == null) return void 0;
|
|
var value = object[property];
|
|
return _.isFunction(value) ? value.call(object) : value;
|
|
};
|
|
|
|
// Add your own custom functions to the Underscore object.
|
|
_.mixin = function(obj) {
|
|
each(_.functions(obj), function(name) {
|
|
var func = _[name] = obj[name];
|
|
_.prototype[name] = function() {
|
|
var args = [this._wrapped];
|
|
push.apply(args, arguments);
|
|
return result.call(this, func.apply(_, args));
|
|
};
|
|
});
|
|
};
|
|
|
|
// Generate a unique integer id (unique within the entire client session).
|
|
// Useful for temporary DOM ids.
|
|
var idCounter = 0;
|
|
_.uniqueId = function(prefix) {
|
|
var id = ++idCounter + '';
|
|
return prefix ? prefix + id : id;
|
|
};
|
|
|
|
// By default, Underscore uses ERB-style template delimiters, change the
|
|
// following template settings to use alternative delimiters.
|
|
_.templateSettings = {
|
|
evaluate : /<%([\s\S]+?)%>/g,
|
|
interpolate : /<%=([\s\S]+?)%>/g,
|
|
escape : /<%-([\s\S]+?)%>/g
|
|
};
|
|
|
|
// When customizing `templateSettings`, if you don't want to define an
|
|
// interpolation, evaluation or escaping regex, we need one that is
|
|
// guaranteed not to match.
|
|
var noMatch = /(.)^/;
|
|
|
|
// Certain characters need to be escaped so that they can be put into a
|
|
// string literal.
|
|
var escapes = {
|
|
"'": "'",
|
|
'\\': '\\',
|
|
'\r': 'r',
|
|
'\n': 'n',
|
|
'\t': 't',
|
|
'\u2028': 'u2028',
|
|
'\u2029': 'u2029'
|
|
};
|
|
|
|
var escaper = /\\|'|\r|\n|\t|\u2028|\u2029/g;
|
|
|
|
// JavaScript micro-templating, similar to John Resig's implementation.
|
|
// Underscore templating handles arbitrary delimiters, preserves whitespace,
|
|
// and correctly escapes quotes within interpolated code.
|
|
_.template = function(text, data, settings) {
|
|
var render;
|
|
settings = _.defaults({}, settings, _.templateSettings);
|
|
|
|
// Combine delimiters into one regular expression via alternation.
|
|
var matcher = new RegExp([
|
|
(settings.escape || noMatch).source,
|
|
(settings.interpolate || noMatch).source,
|
|
(settings.evaluate || noMatch).source
|
|
].join('|') + '|$', 'g');
|
|
|
|
// Compile the template source, escaping string literals appropriately.
|
|
var index = 0;
|
|
var source = "__p+='";
|
|
text.replace(matcher, function(match, escape, interpolate, evaluate, offset) {
|
|
source += text.slice(index, offset)
|
|
.replace(escaper, function(match) { return '\\' + escapes[match]; });
|
|
|
|
if (escape) {
|
|
source += "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'";
|
|
}
|
|
if (interpolate) {
|
|
source += "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'";
|
|
}
|
|
if (evaluate) {
|
|
source += "';\n" + evaluate + "\n__p+='";
|
|
}
|
|
index = offset + match.length;
|
|
return match;
|
|
});
|
|
source += "';\n";
|
|
|
|
// If a variable is not specified, place data values in local scope.
|
|
if (!settings.variable) source = 'with(obj||{}){\n' + source + '}\n';
|
|
|
|
source = "var __t,__p='',__j=Array.prototype.join," +
|
|
"print=function(){__p+=__j.call(arguments,'');};\n" +
|
|
source + "return __p;\n";
|
|
|
|
try {
|
|
render = new Function(settings.variable || 'obj', '_', source);
|
|
} catch (e) {
|
|
e.source = source;
|
|
throw e;
|
|
}
|
|
|
|
if (data) return render(data, _);
|
|
var template = function(data) {
|
|
return render.call(this, data, _);
|
|
};
|
|
|
|
// Provide the compiled function source as a convenience for precompilation.
|
|
template.source = 'function(' + (settings.variable || 'obj') + '){\n' + source + '}';
|
|
|
|
return template;
|
|
};
|
|
|
|
// Add a "chain" function, which will delegate to the wrapper.
|
|
_.chain = function(obj) {
|
|
return _(obj).chain();
|
|
};
|
|
|
|
// OOP
|
|
// ---------------
|
|
// If Underscore is called as a function, it returns a wrapped object that
|
|
// can be used OO-style. This wrapper holds altered versions of all the
|
|
// underscore functions. Wrapped objects may be chained.
|
|
|
|
// Helper function to continue chaining intermediate results.
|
|
var result = function(obj) {
|
|
return this._chain ? _(obj).chain() : obj;
|
|
};
|
|
|
|
// Add all of the Underscore functions to the wrapper object.
|
|
_.mixin(_);
|
|
|
|
// Add all mutator Array functions to the wrapper.
|
|
each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
|
|
var method = ArrayProto[name];
|
|
_.prototype[name] = function() {
|
|
var obj = this._wrapped;
|
|
method.apply(obj, arguments);
|
|
if ((name == 'shift' || name == 'splice') && obj.length === 0) delete obj[0];
|
|
return result.call(this, obj);
|
|
};
|
|
});
|
|
|
|
// Add all accessor Array functions to the wrapper.
|
|
each(['concat', 'join', 'slice'], function(name) {
|
|
var method = ArrayProto[name];
|
|
_.prototype[name] = function() {
|
|
return result.call(this, method.apply(this._wrapped, arguments));
|
|
};
|
|
});
|
|
|
|
_.extend(_.prototype, {
|
|
|
|
// Start chaining a wrapped Underscore object.
|
|
chain: function() {
|
|
this._chain = true;
|
|
return this;
|
|
},
|
|
|
|
// Extracts the result from a wrapped and chained object.
|
|
value: function() {
|
|
return this._wrapped;
|
|
}
|
|
|
|
});
|
|
|
|
// AMD registration happens at the end for compatibility with AMD loaders
|
|
// that may not enforce next-turn semantics on modules. Even though general
|
|
// practice for AMD registration is to be anonymous, underscore registers
|
|
// as a named module because, like jQuery, it is a base library that is
|
|
// popular enough to be bundled in a third party lib, but not be part of
|
|
// an AMD load request. Those cases could generate an error when an
|
|
// anonymous define() is called outside of a loader request.
|
|
if (typeof define === 'function' && define.amd) {
|
|
define('underscore', [], function() {
|
|
return _;
|
|
});
|
|
}
|
|
}).call(this);
|
|
|
|
},{}],18:[function(require,module,exports){
|
|
/*
|
|
WildEmitter.js is a slim little event emitter by @henrikjoreteg largely based
|
|
on @visionmedia's Emitter from UI Kit.
|
|
|
|
Why? I wanted it standalone.
|
|
|
|
I also wanted support for wildcard emitters like this:
|
|
|
|
emitter.on('*', function (eventName, other, event, payloads) {
|
|
|
|
});
|
|
|
|
emitter.on('somenamespace*', function (eventName, payloads) {
|
|
|
|
});
|
|
|
|
Please note that callbacks triggered by wildcard registered events also get
|
|
the event name as the first argument.
|
|
*/
|
|
module.exports = WildEmitter;
|
|
|
|
function WildEmitter() {
|
|
this.callbacks = {};
|
|
}
|
|
|
|
// Listen on the given `event` with `fn`. Store a group name if present.
|
|
WildEmitter.prototype.on = function (event, groupName, fn) {
|
|
var hasGroup = (arguments.length === 3),
|
|
group = hasGroup ? arguments[1] : undefined,
|
|
func = hasGroup ? arguments[2] : arguments[1];
|
|
func._groupName = group;
|
|
(this.callbacks[event] = this.callbacks[event] || []).push(func);
|
|
return this;
|
|
};
|
|
|
|
// Adds an `event` listener that will be invoked a single
|
|
// time then automatically removed.
|
|
WildEmitter.prototype.once = function (event, groupName, fn) {
|
|
var self = this,
|
|
hasGroup = (arguments.length === 3),
|
|
group = hasGroup ? arguments[1] : undefined,
|
|
func = hasGroup ? arguments[2] : arguments[1];
|
|
function on() {
|
|
self.off(event, on);
|
|
func.apply(this, arguments);
|
|
}
|
|
this.on(event, group, on);
|
|
return this;
|
|
};
|
|
|
|
// Unbinds an entire group
|
|
WildEmitter.prototype.releaseGroup = function (groupName) {
|
|
var item, i, len, handlers;
|
|
for (item in this.callbacks) {
|
|
handlers = this.callbacks[item];
|
|
for (i = 0, len = handlers.length; i < len; i++) {
|
|
if (handlers[i]._groupName === groupName) {
|
|
//console.log('removing');
|
|
// remove it and shorten the array we're looping through
|
|
handlers.splice(i, 1);
|
|
i--;
|
|
len--;
|
|
}
|
|
}
|
|
}
|
|
return this;
|
|
};
|
|
|
|
// Remove the given callback for `event` or all
|
|
// registered callbacks.
|
|
WildEmitter.prototype.off = function (event, fn) {
|
|
var callbacks = this.callbacks[event],
|
|
i;
|
|
|
|
if (!callbacks) return this;
|
|
|
|
// remove all handlers
|
|
if (arguments.length === 1) {
|
|
delete this.callbacks[event];
|
|
return this;
|
|
}
|
|
|
|
// remove specific handler
|
|
i = callbacks.indexOf(fn);
|
|
callbacks.splice(i, 1);
|
|
return this;
|
|
};
|
|
|
|
/// Emit `event` with the given args.
|
|
// also calls any `*` handlers
|
|
WildEmitter.prototype.emit = function (event) {
|
|
var args = [].slice.call(arguments, 1),
|
|
callbacks = this.callbacks[event],
|
|
specialCallbacks = this.getWildcardCallbacks(event),
|
|
i,
|
|
len,
|
|
item,
|
|
listeners;
|
|
|
|
if (callbacks) {
|
|
listeners = callbacks.slice();
|
|
for (i = 0, len = listeners.length; i < len; ++i) {
|
|
if (listeners[i]) {
|
|
listeners[i].apply(this, args);
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (specialCallbacks) {
|
|
len = specialCallbacks.length;
|
|
listeners = specialCallbacks.slice();
|
|
for (i = 0, len = listeners.length; i < len; ++i) {
|
|
if (listeners[i]) {
|
|
listeners[i].apply(this, [event].concat(args));
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
// Helper for for finding special wildcard event handlers that match the event
|
|
WildEmitter.prototype.getWildcardCallbacks = function (eventName) {
|
|
var item,
|
|
split,
|
|
result = [];
|
|
|
|
for (item in this.callbacks) {
|
|
split = item.split('*');
|
|
if (item === '*' || (split.length === 2 && eventName.slice(0, split[0].length) === split[0])) {
|
|
result = result.concat(this.callbacks[item]);
|
|
}
|
|
}
|
|
return result;
|
|
};
|
|
|
|
},{}],12:[function(require,module,exports){
|
|
var _ = require('underscore');
|
|
var util = require('util');
|
|
var webrtc = require('webrtcsupport');
|
|
var SJJ = require('sdp-jingle-json');
|
|
var WildEmitter = require('wildemitter');
|
|
var peerconn = require('traceablepeerconnection');
|
|
|
|
function PeerConnection(config, constraints) {
|
|
var self = this;
|
|
var item;
|
|
WildEmitter.call(this);
|
|
|
|
config = config || {};
|
|
config.iceServers = config.iceServers || [];
|
|
|
|
this.pc = new peerconn(config, constraints);
|
|
// proxy events
|
|
this.pc.on('*', function () {
|
|
self.emit.apply(self, arguments);
|
|
});
|
|
|
|
// proxy some events directly
|
|
this.pc.onremovestream = this.emit.bind(this, 'removeStream');
|
|
this.pc.onnegotiationneeded = this.emit.bind(this, 'negotiationNeeded');
|
|
this.pc.oniceconnectionstatechange = this.emit.bind(this, 'iceConnectionStateChange');
|
|
this.pc.onsignalingstatechange = this.emit.bind(this, 'signalingStateChange');
|
|
|
|
// handle incoming ice and data channel events
|
|
this.pc.onaddstream = this._onAddStream.bind(this);
|
|
this.pc.onicecandidate = this._onIce.bind(this);
|
|
this.pc.ondatachannel = this._onDataChannel.bind(this);
|
|
|
|
this.localDescription = {
|
|
contents: []
|
|
};
|
|
this.remoteDescription = {
|
|
contents: []
|
|
};
|
|
|
|
this.localStream = null;
|
|
this.remoteStreams = [];
|
|
|
|
this.config = {
|
|
debug: false,
|
|
ice: {},
|
|
sid: '',
|
|
isInitiator: true,
|
|
sdpSessionID: Date.now(),
|
|
useJingle: false
|
|
};
|
|
|
|
// apply our config
|
|
for (item in config) {
|
|
this.config[item] = config[item];
|
|
}
|
|
|
|
if (this.config.debug) {
|
|
this.on('*', function (eventName, event) {
|
|
var logger = config.logger || console;
|
|
logger.log('PeerConnection event:', arguments);
|
|
});
|
|
}
|
|
}
|
|
|
|
util.inherits(PeerConnection, WildEmitter);
|
|
|
|
if (PeerConnection.prototype.__defineGetter__) {
|
|
PeerConnection.prototype.__defineGetter__('signalingState', function () {
|
|
return this.pc.signalingState;
|
|
});
|
|
PeerConnection.prototype.__defineGetter__('iceConnectionState', function () {
|
|
return this.pc.iceConnectionState;
|
|
});
|
|
}
|
|
|
|
// Add a stream to the peer connection object
|
|
PeerConnection.prototype.addStream = function (stream) {
|
|
this.localStream = stream;
|
|
this.pc.addStream(stream);
|
|
};
|
|
|
|
|
|
// Init and add ice candidate object with correct constructor
|
|
PeerConnection.prototype.processIce = function (update, cb) {
|
|
cb = cb || function () {};
|
|
var self = this;
|
|
|
|
if (update.contents) {
|
|
var contentNames = _.pluck(this.remoteDescription.contents, 'name');
|
|
var contents = update.contents;
|
|
|
|
contents.forEach(function (content) {
|
|
var transport = content.transport || {};
|
|
var candidates = transport.candidates || [];
|
|
var mline = contentNames.indexOf(content.name);
|
|
var mid = content.name;
|
|
|
|
candidates.forEach(function (candidate) {
|
|
console.log('addicecandidate');
|
|
var iceCandidate = SJJ.toCandidateSDP(candidate) + '\r\n';
|
|
self.pc.addIceCandidate(new webrtc.IceCandidate({
|
|
candidate: iceCandidate,
|
|
sdpMLineIndex: mline,
|
|
sdpMid: mid
|
|
})
|
|
/* not yet, breaks Chrome M32 */
|
|
/*
|
|
, function () {
|
|
// well, this success callback is pretty meaningless
|
|
},
|
|
function (err) {
|
|
self.emit('error', err);
|
|
}
|
|
*/
|
|
);
|
|
});
|
|
});
|
|
} else {
|
|
self.pc.addIceCandidate(new webrtc.IceCandidate(update.candidate));
|
|
}
|
|
cb();
|
|
};
|
|
|
|
// Generate and emit an offer with the given constraints
|
|
PeerConnection.prototype.offer = function (constraints, cb) {
|
|
var self = this;
|
|
var hasConstraints = arguments.length === 2;
|
|
var mediaConstraints = hasConstraints ? constraints : {
|
|
mandatory: {
|
|
OfferToReceiveAudio: true,
|
|
OfferToReceiveVideo: true
|
|
}
|
|
};
|
|
cb = hasConstraints ? cb : constraints;
|
|
cb = cb || function () {};
|
|
|
|
// Actually generate the offer
|
|
this.pc.createOffer(
|
|
function (offer) {
|
|
self.pc.setLocalDescription(offer,
|
|
function () {
|
|
var jingle;
|
|
var expandedOffer = {
|
|
type: 'offer',
|
|
sdp: offer.sdp
|
|
};
|
|
if (self.config.useJingle) {
|
|
jingle = SJJ.toSessionJSON(offer.sdp, self.config.isInitiator ? 'initiator' : 'responder');
|
|
jingle.sid = self.config.sid;
|
|
self.localDescription = jingle;
|
|
|
|
// Save ICE credentials
|
|
_.each(jingle.contents, function (content) {
|
|
var transport = content.transport || {};
|
|
if (transport.ufrag) {
|
|
self.config.ice[content.name] = {
|
|
ufrag: transport.ufrag,
|
|
pwd: transport.pwd
|
|
};
|
|
}
|
|
});
|
|
|
|
expandedOffer.jingle = jingle;
|
|
}
|
|
|
|
self.emit('offer', expandedOffer);
|
|
cb(null, expandedOffer);
|
|
},
|
|
function (err) {
|
|
self.emit('error', err);
|
|
cb(err);
|
|
}
|
|
);
|
|
},
|
|
function (err) {
|
|
self.emit('error', err);
|
|
cb(err);
|
|
},
|
|
mediaConstraints
|
|
);
|
|
};
|
|
|
|
|
|
// Process an incoming offer so that ICE may proceed before deciding
|
|
// to answer the request.
|
|
PeerConnection.prototype.handleOffer = function (offer, cb) {
|
|
cb = cb || function () {};
|
|
var self = this;
|
|
offer.type = 'offer';
|
|
if (offer.jingle) {
|
|
offer.sdp = SJJ.toSessionSDP(offer.jingle, self.config.sdpSessionID);
|
|
}
|
|
self.pc.setRemoteDescription(new webrtc.SessionDescription(offer), function () {
|
|
cb();
|
|
}, cb);
|
|
};
|
|
|
|
// Answer an offer with audio only
|
|
PeerConnection.prototype.answerAudioOnly = function (cb) {
|
|
var mediaConstraints = {
|
|
mandatory: {
|
|
OfferToReceiveAudio: true,
|
|
OfferToReceiveVideo: false
|
|
}
|
|
};
|
|
this._answer(mediaConstraints, cb);
|
|
};
|
|
|
|
// Answer an offer without offering to recieve
|
|
PeerConnection.prototype.answerBroadcastOnly = function (cb) {
|
|
var mediaConstraints = {
|
|
mandatory: {
|
|
OfferToReceiveAudio: false,
|
|
OfferToReceiveVideo: false
|
|
}
|
|
};
|
|
this._answer(mediaConstraints, cb);
|
|
};
|
|
|
|
// Answer an offer with given constraints default is audio/video
|
|
PeerConnection.prototype.answer = function (constraints, cb) {
|
|
var self = this;
|
|
var hasConstraints = arguments.length === 2;
|
|
var callback = hasConstraints ? cb : constraints;
|
|
var mediaConstraints = hasConstraints ? constraints : {
|
|
mandatory: {
|
|
OfferToReceiveAudio: true,
|
|
OfferToReceiveVideo: true
|
|
}
|
|
};
|
|
|
|
this._answer(mediaConstraints, callback);
|
|
};
|
|
|
|
// Process an answer
|
|
PeerConnection.prototype.handleAnswer = function (answer, cb) {
|
|
cb = cb || function () {};
|
|
var self = this;
|
|
if (answer.jingle) {
|
|
answer.sdp = SJJ.toSessionSDP(answer.jingle, self.config.sdpSessionID);
|
|
self.remoteDescription = answer.jingle;
|
|
}
|
|
self.pc.setRemoteDescription(
|
|
new webrtc.SessionDescription(answer),
|
|
function () {
|
|
cb(null);
|
|
},
|
|
cb
|
|
);
|
|
};
|
|
|
|
// Close the peer connection
|
|
PeerConnection.prototype.close = function () {
|
|
this.pc.close();
|
|
this.emit('close');
|
|
};
|
|
|
|
// Internal code sharing for various types of answer methods
|
|
PeerConnection.prototype._answer = function (constraints, cb) {
|
|
cb = cb || function () {};
|
|
var self = this;
|
|
if (!this.pc.remoteDescription) {
|
|
// the old API is used, call handleOffer
|
|
throw new Error('remoteDescription not set');
|
|
}
|
|
self.pc.createAnswer(
|
|
function (answer) {
|
|
self.pc.setLocalDescription(answer,
|
|
function () {
|
|
var expandedAnswer = {
|
|
type: 'answer',
|
|
sdp: answer.sdp
|
|
};
|
|
if (self.config.useJingle) {
|
|
var jingle = SJJ.toSessionJSON(answer.sdp);
|
|
jingle.sid = self.config.sid;
|
|
self.localDescription = jingle;
|
|
expandedAnswer.jingle = jingle;
|
|
}
|
|
self.emit('answer', expandedAnswer);
|
|
cb(null, expandedAnswer);
|
|
},
|
|
function (err) {
|
|
self.emit('error', err);
|
|
cb(err);
|
|
}
|
|
);
|
|
},
|
|
function (err) {
|
|
self.emit('error', err);
|
|
cb(err);
|
|
},
|
|
constraints
|
|
);
|
|
};
|
|
|
|
// Internal method for emitting ice candidates on our peer object
|
|
PeerConnection.prototype._onIce = function (event) {
|
|
var self = this;
|
|
if (event.candidate) {
|
|
var ice = event.candidate;
|
|
|
|
var expandedCandidate = {
|
|
candidate: event.candidate
|
|
};
|
|
|
|
if (self.config.useJingle) {
|
|
if (!self.config.ice[ice.sdpMid]) {
|
|
var jingle = SJJ.toSessionJSON(self.pc.localDescription.sdp, self.config.isInitiator ? 'initiator' : 'responder');
|
|
_.each(jingle.contents, function (content) {
|
|
var transport = content.transport || {};
|
|
if (transport.ufrag) {
|
|
self.config.ice[content.name] = {
|
|
ufrag: transport.ufrag,
|
|
pwd: transport.pwd
|
|
};
|
|
}
|
|
});
|
|
}
|
|
expandedCandidate.jingle = {
|
|
contents: [{
|
|
name: ice.sdpMid,
|
|
creator: self.config.isInitiator ? 'initiator' : 'responder',
|
|
transport: {
|
|
transType: 'iceUdp',
|
|
ufrag: self.config.ice[ice.sdpMid].ufrag,
|
|
pwd: self.config.ice[ice.sdpMid].pwd,
|
|
candidates: [
|
|
SJJ.toCandidateJSON(ice.candidate)
|
|
]
|
|
}
|
|
}]
|
|
};
|
|
}
|
|
|
|
this.emit('ice', expandedCandidate);
|
|
} else {
|
|
this.emit('endOfCandidates');
|
|
}
|
|
};
|
|
|
|
// Internal method for processing a new data channel being added by the
|
|
// other peer.
|
|
PeerConnection.prototype._onDataChannel = function (event) {
|
|
this.emit('addChannel', event.channel);
|
|
};
|
|
|
|
// Internal handling of adding stream
|
|
PeerConnection.prototype._onAddStream = function (event) {
|
|
this.remoteStreams.push(event.stream);
|
|
this.emit('addStream', event);
|
|
};
|
|
|
|
// Create a data channel spec reference:
|
|
// http://dev.w3.org/2011/webrtc/editor/webrtc.html#idl-def-RTCDataChannelInit
|
|
PeerConnection.prototype.createDataChannel = function (name, opts) {
|
|
var channel = this.pc.createDataChannel(name, opts);
|
|
return channel;
|
|
};
|
|
|
|
module.exports = PeerConnection;
|
|
|
|
},{"sdp-jingle-json":20,"traceablepeerconnection":19,"underscore":17,"util":15,"webrtcsupport":11,"wildemitter":18}],14:[function(require,module,exports){
|
|
var support = require('webrtcsupport');
|
|
|
|
|
|
function GainController(stream) {
|
|
this.support = support.webAudio && support.mediaStream;
|
|
|
|
// set our starting value
|
|
this.gain = 1;
|
|
|
|
if (this.support) {
|
|
var context = this.context = new support.AudioContext();
|
|
this.microphone = context.createMediaStreamSource(stream);
|
|
this.gainFilter = context.createGain();
|
|
this.destination = context.createMediaStreamDestination();
|
|
this.outputStream = this.destination.stream;
|
|
this.microphone.connect(this.gainFilter);
|
|
this.gainFilter.connect(this.destination);
|
|
stream.removeTrack(stream.getAudioTracks()[0]);
|
|
stream.addTrack(this.outputStream.getAudioTracks()[0]);
|
|
}
|
|
this.stream = stream;
|
|
}
|
|
|
|
// setting
|
|
GainController.prototype.setGain = function (val) {
|
|
// check for support
|
|
if (!this.support) return;
|
|
this.gainFilter.gain.value = val;
|
|
this.gain = val;
|
|
};
|
|
|
|
GainController.prototype.getGain = function () {
|
|
return this.gain;
|
|
};
|
|
|
|
GainController.prototype.off = function () {
|
|
return this.setGain(0);
|
|
};
|
|
|
|
GainController.prototype.on = function () {
|
|
this.setGain(1);
|
|
};
|
|
|
|
|
|
module.exports = GainController;
|
|
|
|
},{"webrtcsupport":11}],21:[function(require,module,exports){
|
|
// shim for using process in browser
|
|
|
|
var process = module.exports = {};
|
|
|
|
process.nextTick = (function () {
|
|
var canSetImmediate = typeof window !== 'undefined'
|
|
&& window.setImmediate;
|
|
var canPost = typeof window !== 'undefined'
|
|
&& window.postMessage && window.addEventListener
|
|
;
|
|
|
|
if (canSetImmediate) {
|
|
return function (f) { return window.setImmediate(f) };
|
|
}
|
|
|
|
if (canPost) {
|
|
var queue = [];
|
|
window.addEventListener('message', function (ev) {
|
|
var source = ev.source;
|
|
if ((source === window || source === null) && ev.data === 'process-tick') {
|
|
ev.stopPropagation();
|
|
if (queue.length > 0) {
|
|
var fn = queue.shift();
|
|
fn();
|
|
}
|
|
}
|
|
}, true);
|
|
|
|
return function nextTick(fn) {
|
|
queue.push(fn);
|
|
window.postMessage('process-tick', '*');
|
|
};
|
|
}
|
|
|
|
return function nextTick(fn) {
|
|
setTimeout(fn, 0);
|
|
};
|
|
})();
|
|
|
|
process.title = 'browser';
|
|
process.browser = true;
|
|
process.env = {};
|
|
process.argv = [];
|
|
|
|
process.binding = function (name) {
|
|
throw new Error('process.binding is not supported');
|
|
}
|
|
|
|
// TODO(shtylman)
|
|
process.cwd = function () { return '/' };
|
|
process.chdir = function (dir) {
|
|
throw new Error('process.chdir is not supported');
|
|
};
|
|
|
|
},{}],16:[function(require,module,exports){
|
|
var process=require("__browserify_process");if (!process.EventEmitter) process.EventEmitter = function () {};
|
|
|
|
var EventEmitter = exports.EventEmitter = process.EventEmitter;
|
|
var isArray = typeof Array.isArray === 'function'
|
|
? Array.isArray
|
|
: function (xs) {
|
|
return Object.prototype.toString.call(xs) === '[object Array]'
|
|
}
|
|
;
|
|
function indexOf (xs, x) {
|
|
if (xs.indexOf) return xs.indexOf(x);
|
|
for (var i = 0; i < xs.length; i++) {
|
|
if (x === xs[i]) return i;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
// By default EventEmitters will print a warning if more than
|
|
// 10 listeners are added to it. This is a useful default which
|
|
// helps finding memory leaks.
|
|
//
|
|
// Obviously not all Emitters should be limited to 10. This function allows
|
|
// that to be increased. Set to zero for unlimited.
|
|
var defaultMaxListeners = 10;
|
|
EventEmitter.prototype.setMaxListeners = function(n) {
|
|
if (!this._events) this._events = {};
|
|
this._events.maxListeners = n;
|
|
};
|
|
|
|
|
|
EventEmitter.prototype.emit = function(type) {
|
|
// If there is no 'error' event listener then throw.
|
|
if (type === 'error') {
|
|
if (!this._events || !this._events.error ||
|
|
(isArray(this._events.error) && !this._events.error.length))
|
|
{
|
|
if (arguments[1] instanceof Error) {
|
|
throw arguments[1]; // Unhandled 'error' event
|
|
} else {
|
|
throw new Error("Uncaught, unspecified 'error' event.");
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (!this._events) return false;
|
|
var handler = this._events[type];
|
|
if (!handler) return false;
|
|
|
|
if (typeof handler == 'function') {
|
|
switch (arguments.length) {
|
|
// fast cases
|
|
case 1:
|
|
handler.call(this);
|
|
break;
|
|
case 2:
|
|
handler.call(this, arguments[1]);
|
|
break;
|
|
case 3:
|
|
handler.call(this, arguments[1], arguments[2]);
|
|
break;
|
|
// slower
|
|
default:
|
|
var args = Array.prototype.slice.call(arguments, 1);
|
|
handler.apply(this, args);
|
|
}
|
|
return true;
|
|
|
|
} else if (isArray(handler)) {
|
|
var args = Array.prototype.slice.call(arguments, 1);
|
|
|
|
var listeners = handler.slice();
|
|
for (var i = 0, l = listeners.length; i < l; i++) {
|
|
listeners[i].apply(this, args);
|
|
}
|
|
return true;
|
|
|
|
} else {
|
|
return false;
|
|
}
|
|
};
|
|
|
|
// EventEmitter is defined in src/node_events.cc
|
|
// EventEmitter.prototype.emit() is also defined there.
|
|
EventEmitter.prototype.addListener = function(type, listener) {
|
|
if ('function' !== typeof listener) {
|
|
throw new Error('addListener only takes instances of Function');
|
|
}
|
|
|
|
if (!this._events) this._events = {};
|
|
|
|
// To avoid recursion in the case that type == "newListeners"! Before
|
|
// adding it to the listeners, first emit "newListeners".
|
|
this.emit('newListener', type, listener);
|
|
|
|
if (!this._events[type]) {
|
|
// Optimize the case of one listener. Don't need the extra array object.
|
|
this._events[type] = listener;
|
|
} else if (isArray(this._events[type])) {
|
|
|
|
// Check for listener leak
|
|
if (!this._events[type].warned) {
|
|
var m;
|
|
if (this._events.maxListeners !== undefined) {
|
|
m = this._events.maxListeners;
|
|
} else {
|
|
m = defaultMaxListeners;
|
|
}
|
|
|
|
if (m && m > 0 && this._events[type].length > m) {
|
|
this._events[type].warned = true;
|
|
console.error('(node) warning: possible EventEmitter memory ' +
|
|
'leak detected. %d listeners added. ' +
|
|
'Use emitter.setMaxListeners() to increase limit.',
|
|
this._events[type].length);
|
|
console.trace();
|
|
}
|
|
}
|
|
|
|
// If we've already got an array, just append.
|
|
this._events[type].push(listener);
|
|
} else {
|
|
// Adding the second element, need to change to array.
|
|
this._events[type] = [this._events[type], listener];
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
EventEmitter.prototype.on = EventEmitter.prototype.addListener;
|
|
|
|
EventEmitter.prototype.once = function(type, listener) {
|
|
var self = this;
|
|
self.on(type, function g() {
|
|
self.removeListener(type, g);
|
|
listener.apply(this, arguments);
|
|
});
|
|
|
|
return this;
|
|
};
|
|
|
|
EventEmitter.prototype.removeListener = function(type, listener) {
|
|
if ('function' !== typeof listener) {
|
|
throw new Error('removeListener only takes instances of Function');
|
|
}
|
|
|
|
// does not use listeners(), so no side effect of creating _events[type]
|
|
if (!this._events || !this._events[type]) return this;
|
|
|
|
var list = this._events[type];
|
|
|
|
if (isArray(list)) {
|
|
var i = indexOf(list, listener);
|
|
if (i < 0) return this;
|
|
list.splice(i, 1);
|
|
if (list.length == 0)
|
|
delete this._events[type];
|
|
} else if (this._events[type] === listener) {
|
|
delete this._events[type];
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
EventEmitter.prototype.removeAllListeners = function(type) {
|
|
if (arguments.length === 0) {
|
|
this._events = {};
|
|
return this;
|
|
}
|
|
|
|
// does not use listeners(), so no side effect of creating _events[type]
|
|
if (type && this._events && this._events[type]) this._events[type] = null;
|
|
return this;
|
|
};
|
|
|
|
EventEmitter.prototype.listeners = function(type) {
|
|
if (!this._events) this._events = {};
|
|
if (!this._events[type]) this._events[type] = [];
|
|
if (!isArray(this._events[type])) {
|
|
this._events[type] = [this._events[type]];
|
|
}
|
|
return this._events[type];
|
|
};
|
|
|
|
EventEmitter.listenerCount = function(emitter, type) {
|
|
var ret;
|
|
if (!emitter._events || !emitter._events[type])
|
|
ret = 0;
|
|
else if (typeof emitter._events[type] === 'function')
|
|
ret = 1;
|
|
else
|
|
ret = emitter._events[type].length;
|
|
return ret;
|
|
};
|
|
|
|
},{"__browserify_process":21}],13:[function(require,module,exports){
|
|
var WildEmitter = require('wildemitter');
|
|
|
|
function getMaxVolume (analyser, fftBins) {
|
|
var maxVolume = -Infinity;
|
|
analyser.getFloatFrequencyData(fftBins);
|
|
|
|
for(var i=0, ii=fftBins.length; i < ii; i++) {
|
|
if (fftBins[i] > maxVolume && fftBins[i] < 0) {
|
|
maxVolume = fftBins[i];
|
|
}
|
|
};
|
|
|
|
return maxVolume;
|
|
}
|
|
|
|
|
|
var audioContextType = window.webkitAudioContext || window.AudioContext;
|
|
// use a single audio context due to hardware limits
|
|
var audioContext = null;
|
|
module.exports = function(stream, options) {
|
|
var harker = new WildEmitter();
|
|
|
|
|
|
// make it not break in non-supported browsers
|
|
if (!audioContextType) return harker;
|
|
|
|
//Config
|
|
var options = options || {},
|
|
smoothing = (options.smoothing || 0.5),
|
|
interval = (options.interval || 100),
|
|
threshold = options.threshold,
|
|
play = options.play,
|
|
running = true;
|
|
|
|
//Setup Audio Context
|
|
if (!audioContext) {
|
|
audioContext = new audioContextType();
|
|
}
|
|
var sourceNode, fftBins, analyser;
|
|
|
|
analyser = audioContext.createAnalyser();
|
|
analyser.fftSize = 512;
|
|
analyser.smoothingTimeConstant = smoothing;
|
|
fftBins = new Float32Array(analyser.fftSize);
|
|
|
|
if (stream.jquery) stream = stream[0];
|
|
if (stream instanceof HTMLAudioElement) {
|
|
//Audio Tag
|
|
sourceNode = audioContext.createMediaElementSource(stream);
|
|
if (typeof play === 'undefined') play = true;
|
|
threshold = threshold || -65;
|
|
} else {
|
|
//WebRTC Stream
|
|
sourceNode = audioContext.createMediaStreamSource(stream);
|
|
threshold = threshold || -45;
|
|
}
|
|
|
|
sourceNode.connect(analyser);
|
|
if (play) analyser.connect(audioContext.destination);
|
|
|
|
harker.speaking = false;
|
|
|
|
harker.setThreshold = function(t) {
|
|
threshold = t;
|
|
};
|
|
|
|
harker.setInterval = function(i) {
|
|
interval = i;
|
|
};
|
|
|
|
harker.stop = function() {
|
|
running = false;
|
|
harker.emit('volume_change', -100, threshold);
|
|
if (harker.speaking) {
|
|
harker.speaking = false;
|
|
harker.emit('stopped_speaking');
|
|
}
|
|
};
|
|
|
|
// Poll the analyser node to determine if speaking
|
|
// and emit events if changed
|
|
var looper = function() {
|
|
setTimeout(function() {
|
|
|
|
//check if stop has been called
|
|
if(!running) {
|
|
return;
|
|
}
|
|
|
|
var currentVolume = getMaxVolume(analyser, fftBins);
|
|
|
|
harker.emit('volume_change', currentVolume, threshold);
|
|
|
|
if (currentVolume > threshold) {
|
|
if (!harker.speaking) {
|
|
harker.speaking = true;
|
|
harker.emit('speaking');
|
|
}
|
|
} else {
|
|
if (harker.speaking) {
|
|
harker.speaking = false;
|
|
harker.emit('stopped_speaking');
|
|
}
|
|
}
|
|
|
|
looper();
|
|
}, interval);
|
|
};
|
|
looper();
|
|
|
|
|
|
return harker;
|
|
}
|
|
|
|
},{"wildemitter":3}],20:[function(require,module,exports){
|
|
var tosdp = require('./lib/tosdp');
|
|
var tojson = require('./lib/tojson');
|
|
|
|
|
|
exports.toSessionSDP = tosdp.toSessionSDP;
|
|
exports.toMediaSDP = tosdp.toMediaSDP;
|
|
exports.toCandidateSDP = tosdp.toCandidateSDP;
|
|
|
|
exports.toSessionJSON = tojson.toSessionJSON;
|
|
exports.toMediaJSON = tojson.toMediaJSON;
|
|
exports.toCandidateJSON = tojson.toCandidateJSON;
|
|
|
|
},{"./lib/tojson":23,"./lib/tosdp":22}],22:[function(require,module,exports){
|
|
var senders = {
|
|
'initiator': 'sendonly',
|
|
'responder': 'recvonly',
|
|
'both': 'sendrecv',
|
|
'none': 'inactive',
|
|
'sendonly': 'initator',
|
|
'recvonly': 'responder',
|
|
'sendrecv': 'both',
|
|
'inactive': 'none'
|
|
};
|
|
|
|
|
|
exports.toSessionSDP = function (session, sid, time) {
|
|
var sdp = [
|
|
'v=0',
|
|
'o=- ' + (sid || session.sid || Date.now()) + ' ' + (time || Date.now()) + ' IN IP4 0.0.0.0',
|
|
's=-',
|
|
't=0 0'
|
|
];
|
|
|
|
var groups = session.groups || [];
|
|
groups.forEach(function (group) {
|
|
sdp.push('a=group:' + group.semantics + ' ' + group.contents.join(' '));
|
|
});
|
|
|
|
var contents = session.contents || [];
|
|
contents.forEach(function (content) {
|
|
sdp.push(exports.toMediaSDP(content));
|
|
});
|
|
|
|
return sdp.join('\r\n') + '\r\n';
|
|
};
|
|
|
|
exports.toMediaSDP = function (content) {
|
|
var sdp = [];
|
|
|
|
var desc = content.description;
|
|
var transport = content.transport;
|
|
var payloads = desc.payloads || [];
|
|
var fingerprints = (transport && transport.fingerprints) || [];
|
|
|
|
var mline = [desc.media, '1'];
|
|
|
|
if ((desc.encryption && desc.encryption.length > 0) || (fingerprints.length > 0)) {
|
|
mline.push('RTP/SAVPF');
|
|
} else {
|
|
mline.push('RTP/AVPF');
|
|
}
|
|
payloads.forEach(function (payload) {
|
|
mline.push(payload.id);
|
|
});
|
|
|
|
|
|
sdp.push('m=' + mline.join(' '));
|
|
|
|
sdp.push('c=IN IP4 0.0.0.0');
|
|
sdp.push('a=rtcp:1 IN IP4 0.0.0.0');
|
|
|
|
if (transport) {
|
|
if (transport.ufrag) {
|
|
sdp.push('a=ice-ufrag:' + transport.ufrag);
|
|
}
|
|
if (transport.pwd) {
|
|
sdp.push('a=ice-pwd:' + transport.pwd);
|
|
}
|
|
if (transport.setup) {
|
|
sdp.push('a=setup:' + transport.setup);
|
|
}
|
|
fingerprints.forEach(function (fingerprint) {
|
|
sdp.push('a=fingerprint:' + fingerprint.hash + ' ' + fingerprint.value);
|
|
});
|
|
}
|
|
|
|
sdp.push('a=' + (senders[content.senders] || 'sendrecv'));
|
|
sdp.push('a=mid:' + content.name);
|
|
|
|
if (desc.mux) {
|
|
sdp.push('a=rtcp-mux');
|
|
}
|
|
|
|
var encryption = desc.encryption || [];
|
|
encryption.forEach(function (crypto) {
|
|
sdp.push('a=crypto:' + crypto.tag + ' ' + crypto.cipherSuite + ' ' + crypto.keyParams + (crypto.sessionParams ? ' ' + crypto.sessionParams : ''));
|
|
});
|
|
|
|
payloads.forEach(function (payload) {
|
|
var rtpmap = 'a=rtpmap:' + payload.id + ' ' + payload.name + '/' + payload.clockrate;
|
|
if (payload.channels && payload.channels != '1') {
|
|
rtpmap += '/' + payload.channels;
|
|
}
|
|
sdp.push(rtpmap);
|
|
|
|
if (payload.parameters && payload.parameters.length) {
|
|
var fmtp = ['a=fmtp:' + payload.id];
|
|
payload.parameters.forEach(function (param) {
|
|
fmtp.push((param.key ? param.key + '=' : '') + param.value);
|
|
});
|
|
sdp.push(fmtp.join(' '));
|
|
}
|
|
|
|
if (payload.feedback) {
|
|
payload.feedback.forEach(function (fb) {
|
|
if (fb.type === 'trr-int') {
|
|
sdp.push('a=rtcp-fb:' + payload.id + ' trr-int ' + fb.value ? fb.value : '0');
|
|
} else {
|
|
sdp.push('a=rtcp-fb:' + payload.id + ' ' + fb.type + (fb.subtype ? ' ' + fb.subtype : ''));
|
|
}
|
|
});
|
|
}
|
|
});
|
|
|
|
if (desc.feedback) {
|
|
desc.feedback.forEach(function (fb) {
|
|
if (fb.type === 'trr-int') {
|
|
sdp.push('a=rtcp-fb:* trr-int ' + fb.value ? fb.value : '0');
|
|
} else {
|
|
sdp.push('a=rtcp-fb:* ' + fb.type + (fb.subtype ? ' ' + fb.subtype : ''));
|
|
}
|
|
});
|
|
}
|
|
|
|
var hdrExts = desc.headerExtensions || [];
|
|
hdrExts.forEach(function (hdr) {
|
|
sdp.push('a=extmap:' + hdr.id + (hdr.senders ? '/' + senders[hdr.senders] : '') + ' ' + hdr.uri);
|
|
});
|
|
|
|
var ssrcGroups = desc.sourceGroups || [];
|
|
ssrcGroups.forEach(function (ssrcGroup) {
|
|
sdp.push('a=ssrc-group:' + ssrcGroup.semantics + ' ' + ssrcGroup.sources.join(' '));
|
|
});
|
|
|
|
var ssrcs = desc.sources || [];
|
|
ssrcs.forEach(function (ssrc) {
|
|
for (var i = 0; i < ssrc.parameters.length; i++) {
|
|
var param = ssrc.parameters[i];
|
|
sdp.push('a=ssrc:' + (ssrc.ssrc || desc.ssrc) + ' ' + param.key + (param.value ? (':' + param.value) : ''));
|
|
}
|
|
});
|
|
|
|
var candidates = transport.candidates || [];
|
|
candidates.forEach(function (candidate) {
|
|
sdp.push(exports.toCandidateSDP(candidate));
|
|
});
|
|
|
|
return sdp.join('\r\n');
|
|
};
|
|
|
|
exports.toCandidateSDP = function (candidate) {
|
|
var sdp = [];
|
|
|
|
sdp.push(candidate.foundation);
|
|
sdp.push(candidate.component);
|
|
sdp.push(candidate.protocol);
|
|
sdp.push(candidate.priority);
|
|
sdp.push(candidate.ip);
|
|
sdp.push(candidate.port);
|
|
|
|
var type = candidate.type;
|
|
sdp.push('typ');
|
|
sdp.push(type);
|
|
if (type === 'srflx' || type === 'prflx' || type === 'relay') {
|
|
if (candidate.relAddr && candidate.relPort) {
|
|
sdp.push('raddr');
|
|
sdp.push(candidate.relAddr);
|
|
sdp.push('rport');
|
|
sdp.push(candidate.relPort);
|
|
}
|
|
}
|
|
|
|
sdp.push('generation');
|
|
sdp.push(candidate.generation || '0');
|
|
|
|
return 'a=candidate:' + sdp.join(' ');
|
|
};
|
|
|
|
},{}],19:[function(require,module,exports){
|
|
// based on https://github.com/ESTOS/strophe.jingle/
|
|
// adds wildemitter support
|
|
var util = require('util');
|
|
var webrtc = require('webrtcsupport');
|
|
var WildEmitter = require('wildemitter');
|
|
|
|
function dumpSDP(description) {
|
|
return 'type: ' + description.type + '\r\n' + description.sdp;
|
|
}
|
|
|
|
function TraceablePeerConnection(config, constraints) {
|
|
var self = this;
|
|
WildEmitter.call(this);
|
|
|
|
this.peerconnection = new webrtc.PeerConnection(config, constraints);
|
|
|
|
this.trace = function (what, info) {
|
|
self.emit('PeerConnectionTrace', {
|
|
time: new Date(),
|
|
type: what,
|
|
value: info || ""
|
|
});
|
|
};
|
|
|
|
this.onicecandidate = null;
|
|
this.peerconnection.onicecandidate = function (event) {
|
|
self.trace('onicecandidate', JSON.stringify(event.candidate, null, ' '));
|
|
if (self.onicecandidate !== null) {
|
|
self.onicecandidate(event);
|
|
}
|
|
};
|
|
this.onaddstream = null;
|
|
this.peerconnection.onaddstream = function (event) {
|
|
self.trace('onaddstream', event.stream.id);
|
|
if (self.onaddstream !== null) {
|
|
self.onaddstream(event);
|
|
}
|
|
};
|
|
this.onremovestream = null;
|
|
this.peerconnection.onremovestream = function (event) {
|
|
self.trace('onremovestream', event.stream.id);
|
|
if (self.onremovestream !== null) {
|
|
self.onremovestream(event);
|
|
}
|
|
};
|
|
this.onsignalingstatechange = null;
|
|
this.peerconnection.onsignalingstatechange = function (event) {
|
|
self.trace('onsignalingstatechange', self.signalingState);
|
|
if (self.onsignalingstatechange !== null) {
|
|
self.onsignalingstatechange(event);
|
|
}
|
|
};
|
|
this.oniceconnectionstatechange = null;
|
|
this.peerconnection.oniceconnectionstatechange = function (event) {
|
|
self.trace('oniceconnectionstatechange', self.iceConnectionState);
|
|
if (self.oniceconnectionstatechange !== null) {
|
|
self.oniceconnectionstatechange(event);
|
|
}
|
|
};
|
|
this.onnegotiationneeded = null;
|
|
this.peerconnection.onnegotiationneeded = function (event) {
|
|
self.trace('onnegotiationneeded');
|
|
if (self.onnegotiationneeded !== null) {
|
|
self.onnegotiationneeded(event);
|
|
}
|
|
};
|
|
self.ondatachannel = null;
|
|
this.peerconnection.ondatachannel = function (event) {
|
|
self.trace('ondatachannel', event);
|
|
if (self.ondatachannel !== null) {
|
|
self.ondatachannel(event);
|
|
}
|
|
};
|
|
}
|
|
|
|
util.inherits(TraceablePeerConnection, WildEmitter);
|
|
|
|
if (TraceablePeerConnection.prototype.__defineGetter__ !== undefined) {
|
|
TraceablePeerConnection.prototype.__defineGetter__('signalingState', function () { return this.peerconnection.signalingState; });
|
|
TraceablePeerConnection.prototype.__defineGetter__('iceConnectionState', function () { return this.peerconnection.iceConnectionState; });
|
|
TraceablePeerConnection.prototype.__defineGetter__('localDescription', function () { return this.peerconnection.localDescription; });
|
|
TraceablePeerConnection.prototype.__defineGetter__('remoteDescription', function () { return this.peerconnection.remoteDescription; });
|
|
}
|
|
|
|
TraceablePeerConnection.prototype.addStream = function (stream) {
|
|
this.trace('addStream', stream.id);
|
|
this.peerconnection.addStream(stream);
|
|
};
|
|
|
|
TraceablePeerConnection.prototype.removeStream = function (stream) {
|
|
this.trace('removeStream', stream.id);
|
|
this.peerconnection.removeStream(stream);
|
|
};
|
|
|
|
TraceablePeerConnection.prototype.createDataChannel = function (label, opts) {
|
|
this.trace('createDataChannel', label, opts);
|
|
return this.peerconnection.createDataChannel(label, opts);
|
|
};
|
|
|
|
TraceablePeerConnection.prototype.setLocalDescription = function (description, successCallback, failureCallback) {
|
|
var self = this;
|
|
this.trace('setLocalDescription', dumpSDP(description));
|
|
this.peerconnection.setLocalDescription(description,
|
|
function () {
|
|
self.trace('setLocalDescriptionOnSuccess');
|
|
successCallback();
|
|
},
|
|
function (err) {
|
|
self.trace('setLocalDescriptionOnFailure', err);
|
|
failureCallback(err);
|
|
}
|
|
);
|
|
};
|
|
|
|
TraceablePeerConnection.prototype.setRemoteDescription = function (description, successCallback, failureCallback) {
|
|
var self = this;
|
|
this.trace('setRemoteDescription', dumpSDP(description));
|
|
this.peerconnection.setRemoteDescription(description,
|
|
function () {
|
|
self.trace('setRemoteDescriptionOnSuccess');
|
|
successCallback();
|
|
},
|
|
function (err) {
|
|
self.trace('setRemoteDescriptionOnFailure', err);
|
|
failureCallback(err);
|
|
}
|
|
);
|
|
};
|
|
|
|
TraceablePeerConnection.prototype.close = function () {
|
|
this.trace('stop');
|
|
if (this.statsinterval !== null) {
|
|
window.clearInterval(this.statsinterval);
|
|
this.statsinterval = null;
|
|
}
|
|
if (this.peerconnection.signalingState != 'closed') {
|
|
this.peerconnection.close();
|
|
}
|
|
};
|
|
|
|
TraceablePeerConnection.prototype.createOffer = function (successCallback, failureCallback, constraints) {
|
|
var self = this;
|
|
this.trace('createOffer', JSON.stringify(constraints, null, ' '));
|
|
this.peerconnection.createOffer(
|
|
function (offer) {
|
|
self.trace('createOfferOnSuccess', dumpSDP(offer));
|
|
successCallback(offer);
|
|
},
|
|
function (err) {
|
|
self.trace('createOfferOnFailure', err);
|
|
failureCallback(err);
|
|
},
|
|
constraints
|
|
);
|
|
};
|
|
|
|
TraceablePeerConnection.prototype.createAnswer = function (successCallback, failureCallback, constraints) {
|
|
var self = this;
|
|
this.trace('createAnswer', JSON.stringify(constraints, null, ' '));
|
|
this.peerconnection.createAnswer(
|
|
function (answer) {
|
|
self.trace('createAnswerOnSuccess', dumpSDP(answer));
|
|
successCallback(answer);
|
|
},
|
|
function (err) {
|
|
self.trace('createAnswerOnFailure', err);
|
|
failureCallback(err);
|
|
},
|
|
constraints
|
|
);
|
|
};
|
|
|
|
TraceablePeerConnection.prototype.addIceCandidate = function (candidate, successCallback, failureCallback) {
|
|
var self = this;
|
|
this.trace('addIceCandidate', JSON.stringify(candidate, null, ' '));
|
|
this.peerconnection.addIceCandidate(candidate);
|
|
/* maybe later
|
|
this.peerconnection.addIceCandidate(candidate,
|
|
function () {
|
|
self.trace('addIceCandidateOnSuccess');
|
|
successCallback();
|
|
},
|
|
function (err) {
|
|
self.trace('addIceCandidateOnFailure', err);
|
|
failureCallback(err);
|
|
}
|
|
);
|
|
*/
|
|
};
|
|
|
|
TraceablePeerConnection.prototype.getStats = function (callback, errback) {
|
|
if (navigator.mozGetUserMedia) {
|
|
// ignore for now...
|
|
} else {
|
|
this.peerconnection.getStats(callback);
|
|
}
|
|
};
|
|
|
|
module.exports = TraceablePeerConnection;
|
|
|
|
},{"util":15,"webrtcsupport":11,"wildemitter":18}],23:[function(require,module,exports){
|
|
var parsers = require('./parsers');
|
|
var idCounter = Math.random();
|
|
|
|
exports._setIdCounter = function (counter) {
|
|
idCounter = counter;
|
|
};
|
|
|
|
exports.toSessionJSON = function (sdp, creator) {
|
|
// Divide the SDP into session and media sections.
|
|
var media = sdp.split('\r\nm=');
|
|
for (var i = 1; i < media.length; i++) {
|
|
media[i] = 'm=' + media[i];
|
|
if (i !== media.length - 1) {
|
|
media[i] += '\r\n';
|
|
}
|
|
}
|
|
var session = media.shift() + '\r\n';
|
|
var sessionLines = parsers.lines(session);
|
|
var parsed = {};
|
|
|
|
var contents = [];
|
|
media.forEach(function (m) {
|
|
contents.push(exports.toMediaJSON(m, session, creator));
|
|
});
|
|
parsed.contents = contents;
|
|
|
|
var groupLines = parsers.findLines('a=group:', sessionLines);
|
|
if (groupLines.length) {
|
|
parsed.groups = parsers.groups(groupLines);
|
|
}
|
|
|
|
return parsed;
|
|
};
|
|
|
|
exports.toMediaJSON = function (media, session, creator) {
|
|
var lines = parsers.lines(media);
|
|
var sessionLines = parsers.lines(session);
|
|
var mline = parsers.mline(lines[0]);
|
|
|
|
var content = {
|
|
creator: creator,
|
|
name: mline.media,
|
|
description: {
|
|
descType: 'rtp',
|
|
media: mline.media,
|
|
payloads: [],
|
|
encryption: [],
|
|
feedback: [],
|
|
headerExtensions: []
|
|
},
|
|
transport: {
|
|
transType: 'iceUdp',
|
|
candidates: [],
|
|
fingerprints: []
|
|
}
|
|
};
|
|
var desc = content.description;
|
|
var trans = content.transport;
|
|
|
|
var ssrc = parsers.findLine('a=ssrc:', lines);
|
|
if (ssrc) {
|
|
desc.ssrc = ssrc.substr(7).split(' ')[0];
|
|
}
|
|
|
|
// If we have a mid, use that for the content name instead.
|
|
var mid = parsers.findLine('a=mid:', lines);
|
|
if (mid) {
|
|
content.name = mid.substr(6);
|
|
}
|
|
|
|
if (parsers.findLine('a=sendrecv', lines, sessionLines)) {
|
|
content.senders = 'both';
|
|
} else if (parsers.findLine('a=sendonly', lines, sessionLines)) {
|
|
content.senders = 'initiator';
|
|
} else if (parsers.findLine('a=recvonly', lines, sessionLines)) {
|
|
content.senders = 'responder';
|
|
} else if (parsers.findLine('a=inactive', lines, sessionLines)) {
|
|
content.senders = 'none';
|
|
}
|
|
|
|
var rtpmapLines = parsers.findLines('a=rtpmap:', lines);
|
|
rtpmapLines.forEach(function (line) {
|
|
var payload = parsers.rtpmap(line);
|
|
payload.feedback = [];
|
|
|
|
var fmtpLines = parsers.findLines('a=fmtp:' + payload.id, lines);
|
|
fmtpLines.forEach(function (line) {
|
|
payload.parameters = parsers.fmtp(line);
|
|
});
|
|
|
|
var fbLines = parsers.findLines('a=rtcp-fb:' + payload.id, lines);
|
|
fbLines.forEach(function (line) {
|
|
payload.feedback.push(parsers.rtcpfb(line));
|
|
});
|
|
|
|
desc.payloads.push(payload);
|
|
});
|
|
|
|
var cryptoLines = parsers.findLines('a=crypto:', lines, sessionLines);
|
|
cryptoLines.forEach(function (line) {
|
|
desc.encryption.push(parsers.crypto(line));
|
|
});
|
|
|
|
if (parsers.findLine('a=rtcp-mux', lines)) {
|
|
desc.mux = true;
|
|
}
|
|
|
|
var fbLines = parsers.findLines('a=rtcp-fb:*', lines);
|
|
fbLines.forEach(function (line) {
|
|
desc.feedback.push(parsers.rtcpfb(line));
|
|
});
|
|
|
|
var extLines = parsers.findLines('a=extmap:', lines);
|
|
extLines.forEach(function (line) {
|
|
var ext = parsers.extmap(line);
|
|
|
|
var senders = {
|
|
sendonly: 'responder',
|
|
recvonly: 'initiator',
|
|
sendrecv: 'both',
|
|
inactive: 'none'
|
|
};
|
|
ext.senders = senders[ext.senders];
|
|
|
|
desc.headerExtensions.push(ext);
|
|
});
|
|
|
|
var ssrcGroupLines = parsers.findLines('a=ssrc-group:', lines);
|
|
desc.sourceGroups = parsers.sourceGroups(ssrcGroupLines || []);
|
|
|
|
var ssrcLines = parsers.findLines('a=ssrc:', lines);
|
|
desc.sources = parsers.sources(ssrcLines || []);
|
|
|
|
var fingerprintLines = parsers.findLines('a=fingerprint:', lines, sessionLines);
|
|
fingerprintLines.forEach(function (line) {
|
|
var fp = parsers.fingerprint(line);
|
|
var setup = parsers.findLine('a=setup:', lines, sessionLines);
|
|
if (setup) {
|
|
fp.setup = setup.substr(8);
|
|
}
|
|
trans.fingerprints.push(fp);
|
|
});
|
|
|
|
var ufragLine = parsers.findLine('a=ice-ufrag:', lines, sessionLines);
|
|
var pwdLine = parsers.findLine('a=ice-pwd:', lines, sessionLines);
|
|
if (ufragLine && pwdLine) {
|
|
trans.ufrag = ufragLine.substr(12);
|
|
trans.pwd = pwdLine.substr(10);
|
|
trans.candidates = [];
|
|
|
|
var candidateLines = parsers.findLines('a=candidate:', lines, sessionLines);
|
|
candidateLines.forEach(function (line) {
|
|
trans.candidates.push(exports.toCandidateJSON(line));
|
|
});
|
|
}
|
|
|
|
return content;
|
|
};
|
|
|
|
exports.toCandidateJSON = function (line) {
|
|
var candidate = parsers.candidate(line.split('\r\n')[0]);
|
|
candidate.id = (idCounter++).toString(36).substr(0, 12);
|
|
return candidate;
|
|
};
|
|
|
|
},{"./parsers":24}],24:[function(require,module,exports){
|
|
exports.lines = function (sdp) {
|
|
return sdp.split('\r\n').filter(function (line) {
|
|
return line.length > 0;
|
|
});
|
|
};
|
|
|
|
exports.findLine = function (prefix, mediaLines, sessionLines) {
|
|
var prefixLength = prefix.length;
|
|
for (var i = 0; i < mediaLines.length; i++) {
|
|
if (mediaLines[i].substr(0, prefixLength) === prefix) {
|
|
return mediaLines[i];
|
|
}
|
|
}
|
|
// Continue searching in parent session section
|
|
if (!sessionLines) {
|
|
return false;
|
|
}
|
|
|
|
for (var j = 0; j < sessionLines.length; j++) {
|
|
if (sessionLines[j].substr(0, prefixLength) === prefix) {
|
|
return sessionLines[j];
|
|
}
|
|
}
|
|
|
|
return false;
|
|
};
|
|
|
|
exports.findLines = function (prefix, mediaLines, sessionLines) {
|
|
var results = [];
|
|
var prefixLength = prefix.length;
|
|
for (var i = 0; i < mediaLines.length; i++) {
|
|
if (mediaLines[i].substr(0, prefixLength) === prefix) {
|
|
results.push(mediaLines[i]);
|
|
}
|
|
}
|
|
if (results.length || !sessionLines) {
|
|
return results;
|
|
}
|
|
for (var j = 0; j < sessionLines.length; j++) {
|
|
if (sessionLines[j].substr(0, prefixLength) === prefix) {
|
|
results.push(sessionLines[j]);
|
|
}
|
|
}
|
|
return results;
|
|
};
|
|
|
|
exports.mline = function (line) {
|
|
var parts = line.substr(2).split(' ');
|
|
var parsed = {
|
|
media: parts[0],
|
|
port: parts[1],
|
|
proto: parts[2],
|
|
formats: []
|
|
};
|
|
for (var i = 3; i < parts.length; i++) {
|
|
if (parts[i]) {
|
|
parsed.formats.push(parts[i]);
|
|
}
|
|
}
|
|
return parsed;
|
|
};
|
|
|
|
exports.rtpmap = function (line) {
|
|
var parts = line.substr(9).split(' ');
|
|
var parsed = {
|
|
id: parts.shift()
|
|
};
|
|
|
|
parts = parts[0].split('/');
|
|
|
|
parsed.name = parts[0];
|
|
parsed.clockrate = parts[1];
|
|
parsed.channels = parts.length == 3 ? parts[2] : '1';
|
|
return parsed;
|
|
};
|
|
|
|
exports.fmtp = function (line) {
|
|
var kv, key, value;
|
|
var parts = line.substr(line.indexOf(' ') + 1).split(';');
|
|
var parsed = [];
|
|
for (var i = 0; i < parts.length; i++) {
|
|
kv = parts[i].split('=');
|
|
key = kv[0].trim();
|
|
value = kv[1];
|
|
if (key && value) {
|
|
parsed.push({key: key, value: value});
|
|
} else if (key) {
|
|
parsed.push({key: '', value: key});
|
|
}
|
|
}
|
|
return parsed;
|
|
};
|
|
|
|
exports.crypto = function (line) {
|
|
var parts = line.substr(9).split(' ');
|
|
var parsed = {
|
|
tag: parts[0],
|
|
cipherSuite: parts[1],
|
|
keyParams: parts[2],
|
|
sessionParams: parts.slice(3).join(' ')
|
|
};
|
|
return parsed;
|
|
};
|
|
|
|
exports.fingerprint = function (line) {
|
|
var parts = line.substr(14).split(' ');
|
|
return {
|
|
hash: parts[0],
|
|
value: parts[1]
|
|
};
|
|
};
|
|
|
|
exports.extmap = function (line) {
|
|
var parts = line.substr(9).split(' ');
|
|
var parsed = {};
|
|
|
|
var idpart = parts.shift();
|
|
var sp = idpart.indexOf('/');
|
|
if (sp >= 0) {
|
|
parsed.id = idpart.substr(0, sp);
|
|
parsed.senders = idpart.substr(sp + 1);
|
|
} else {
|
|
parsed.id = idpart;
|
|
parsed.senders = 'sendrecv';
|
|
}
|
|
|
|
parsed.uri = parts.shift() || '';
|
|
|
|
return parsed;
|
|
};
|
|
|
|
exports.rtcpfb = function (line) {
|
|
var parts = line.substr(10).split(' ');
|
|
var parsed = {};
|
|
parsed.id = parts.shift();
|
|
parsed.type = parts.shift();
|
|
if (parsed.type === 'trr-int') {
|
|
parsed.value = parts.shift();
|
|
} else {
|
|
parsed.subtype = parts.shift() || '';
|
|
}
|
|
parsed.parameters = parts;
|
|
return parsed;
|
|
};
|
|
|
|
exports.candidate = function (line) {
|
|
var parts = line.substring(12).split(' ');
|
|
|
|
var candidate = {
|
|
foundation: parts[0],
|
|
component: parts[1],
|
|
protocol: parts[2].toLowerCase(),
|
|
priority: parts[3],
|
|
ip: parts[4],
|
|
port: parts[5],
|
|
// skip parts[6] == 'typ'
|
|
type: parts[7],
|
|
generation: '0'
|
|
};
|
|
|
|
for (var i = 8; i < parts.length; i += 2) {
|
|
if (parts[i] === 'raddr') {
|
|
candidate.relAddr = parts[i + 1];
|
|
} else if (parts[i] === 'rport') {
|
|
candidate.relPort = parts[i + 1];
|
|
} else if (parts[i] === 'generation') {
|
|
candidate.generation = parts[i + 1];
|
|
}
|
|
}
|
|
|
|
candidate.network = '1';
|
|
|
|
return candidate;
|
|
};
|
|
|
|
exports.sourceGroups = function (lines) {
|
|
var parsed = [];
|
|
for (var i = 0; i < lines.length; i++) {
|
|
var parts = lines[i].substr(13).split(' ');
|
|
parsed.push({
|
|
semantics: parts.shift(),
|
|
sources: parts
|
|
});
|
|
}
|
|
return parsed;
|
|
};
|
|
|
|
exports.sources = function (lines) {
|
|
// http://tools.ietf.org/html/rfc5576
|
|
var parsed = [];
|
|
var sources = {};
|
|
for (var i = 0; i < lines.length; i++) {
|
|
var parts = lines[i].substr(7).split(' ');
|
|
var ssrc = parts.shift();
|
|
|
|
if (!sources[ssrc]) {
|
|
var source = {
|
|
ssrc: ssrc,
|
|
parameters: []
|
|
};
|
|
parsed.push(source);
|
|
|
|
// Keep an index
|
|
sources[ssrc] = source;
|
|
}
|
|
|
|
parts = parts.join(' ').split(':');
|
|
var attribute = parts.shift();
|
|
var value = parts.join(':') || null;
|
|
|
|
sources[ssrc].parameters.push({
|
|
key: attribute,
|
|
value: value
|
|
});
|
|
}
|
|
|
|
return parsed;
|
|
};
|
|
|
|
exports.groups = function (lines) {
|
|
// http://tools.ietf.org/html/rfc5888
|
|
var parsed = [];
|
|
var parts;
|
|
for (var i = 0; i < lines.length; i++) {
|
|
parts = lines[i].substr(8).split(' ');
|
|
parsed.push({
|
|
semantics: parts.shift(),
|
|
contents: parts
|
|
});
|
|
}
|
|
return parsed;
|
|
};
|
|
|
|
},{}]},{},[1])(1)
|
|
});
|
|
; |