diff --git a/.gitignore b/.gitignore index 58405ef32..c557e3302 100644 --- a/.gitignore +++ b/.gitignore @@ -45,6 +45,7 @@ public/css/main.css README.html -lib +lib/* +!lib/socket.io.js js/copayBundle.js diff --git a/index.html b/index.html index d833911d2..4f1cbdd26 100644 --- a/index.html +++ b/index.html @@ -17,8 +17,9 @@
-
Company Funds
-

4.324 BTC

+
Wallet ID:{{$root.wallet.id}}
+

{{totalBalance}} BTC

+

0 BTC

@@ -47,9 +48,27 @@
{{$root.flashMessage.type}}: {{$root.flashMessage.message}} - Dismiss + Dismiss
+ +
+ +

+ NOTE: Your wallet is not complete yet. + + {{$root.wallet.publicKeyRing.totalCopayers - $root.wallet.publicKeyRing.registeredCopayers() }} keys are + + + One key is + + +missing. Ask your copayers to join your session: {{$root.wallet.network.peerId}} + +

+
+ +
@@ -63,17 +82,6 @@ Connecting to wallet...
-
-
-

Open a Existing Wallet

- -
-
- -
-
-

Join a Network Wallet

@@ -83,15 +91,44 @@
+
-
-
-

Create a New Wallet

+
+
+
+

Create a New Wallet

+
+
+ +
-
- +
+
+
+
+
+

Open a Existing Wallet

+ +
+
+ +
+
+ +
+
+
@@ -126,6 +163,11 @@
+
+
+ Go back +
+
@@ -142,28 +184,23 @@

-
-

Copayers ({{$root.wallet.network.connectedPeers.length}}/{{$root.wallet.publicKeyRing.requiredCopayers}})

+

Online Copayers: {{$root.wallet.network.connectedPeers.length}}

+ +

+ {{$root.wallet.publicKeyRing.requiredCopayers}} copayers needed for signning transactions + +

-
- -
@@ -173,6 +210,7 @@ @@ -196,8 +235,7 @@ + @@ -327,15 +365,17 @@ + - + + diff --git a/js/app.js b/js/app.js index f1fff46a0..e8bbf2fdf 100644 --- a/js/app.js +++ b/js/app.js @@ -11,6 +11,8 @@ angular.module('copay',[ 'copay.backup', 'copay.walletFactory', 'copay.signin', + 'copay.socket', + 'copay.controllerUtils', 'copay.setup', 'copay.peer' ]); @@ -21,7 +23,9 @@ angular.module('copay.transactions', []); angular.module('copay.send', []); angular.module('copay.backup', []); angular.module('copay.walletFactory', []); +angular.module('copay.controllerUtils', []); angular.module('copay.signin', []); angular.module('copay.setup', []); angular.module('copay.peer', []); +angular.module('copay.socket', []); diff --git a/js/config.js b/js/config.js index d73f23cdb..cf2793f1f 100644 --- a/js/config.js +++ b/js/config.js @@ -3,7 +3,12 @@ var config = { networkName: 'testnet', network: { - apiKey: 'lwjd5qra8257b9', + key: 'lwjd5qra8257b9', + // This is for running local peerJs with params: ./peerjs -p 10009 -k 'sdfjhwefh' + // key: 'sdfjhwefh', + // host: 'localhost', + // port: 10009, + // path: '/', maxPeers: 3, debug: 3, }, @@ -18,10 +23,12 @@ var config = { verbose: 1, }, blockchain: { - host: 'test.insight.is', - port: 80 - // host: 'localhost', - // port: 3001 + host: 'localhost', + port: 3001 + }, + socket: { + host: 'localhost', + port: 3001 }, verbose: 1, }; diff --git a/js/controllers/backup.js b/js/controllers/backup.js index 565e88682..1a46faa9f 100644 --- a/js/controllers/backup.js +++ b/js/controllers/backup.js @@ -1,11 +1,14 @@ 'use strict'; angular.module('copay.backup').controller('BackupController', - function($scope, $rootScope, $location, $window, $timeout) { - - if (!$rootScope.wallet.id) { + function($scope, $rootScope, $location, $window, $timeout, Socket, controllerUtils) { + if (!$rootScope.wallet || !$rootScope.wallet.id) { $location.path('signin'); } + else { + var socket = Socket($scope); + socket.on('connect', controllerUtils.handleTransactionByAddress($scope)); + } $scope.title = 'Backup'; diff --git a/js/controllers/header.js b/js/controllers/header.js index 91f00d863..d6680e76b 100644 --- a/js/controllers/header.js +++ b/js/controllers/header.js @@ -1,7 +1,7 @@ 'use strict'; angular.module('copay.header').controller('HeaderController', - function($scope, $rootScope, $location, walletFactory) { + function($scope, $rootScope, $location, walletFactory, controllerUtils) { $scope.menu = [{ 'title': 'Home', 'icon': 'fi-home', @@ -24,7 +24,7 @@ angular.module('copay.header').controller('HeaderController', 'link': '#/backup' }]; - if (!$rootScope.peerId) { + if (!$rootScope.wallet || !$rootScope.wallet.id) { $location.path('signin'); } @@ -39,12 +39,12 @@ angular.module('copay.header').controller('HeaderController', var w = $rootScope.wallet; if (w) { w.disconnect(); - delete $rootScope['wallet']; - $location.path('signin'); + controllerUtils.logout(); } }; $scope.clearFlashMessage = function() { $rootScope.flashMessage = {}; }; + }); diff --git a/js/controllers/home.js b/js/controllers/home.js index 8c7798428..bd3753aa1 100644 --- a/js/controllers/home.js +++ b/js/controllers/home.js @@ -1,16 +1,15 @@ 'use strict'; angular.module('copay.home').controller('HomeController', - function($scope, $rootScope, $location) { + function($scope, $rootScope, $location, Socket, controllerUtils) { $scope.title = 'Home'; $scope.oneAtATime = true; $scope.addrBalance = {}; - + var _getBalance = function() { $scope.addrs.forEach(function(addr) { - $rootScope.wallet.blockchain.listUnspent([addr], function(unspent) { - var balance = $rootScope.wallet.blockchain.getBalance(unspent); + $rootScope.wallet.getBalance([addr], function(balance) { $scope.addrBalance[addr] = balance; $scope.$digest(); }); @@ -24,13 +23,17 @@ angular.module('copay.home').controller('HomeController', $scope.selectedAddr = $scope.addrs[0]; _getBalance(); + + var socket = Socket($scope); + socket.on('connect', controllerUtils.handleTransactionByAddress($scope)); } $scope.newAddr = function() { var a = $rootScope.wallet.generateAddress().toString(); $scope.addrs.push(a); - _getBalance(); + var socket = Socket($scope); + socket.on('connect', controllerUtils.handleTransactionByAddress($scope)); }; $scope.selectAddr = function(addr) { diff --git a/js/controllers/peer.js b/js/controllers/peer.js index f6f482315..a3098aca4 100644 --- a/js/controllers/peer.js +++ b/js/controllers/peer.js @@ -1,10 +1,18 @@ 'use strict'; angular.module('copay.peer').controller('PeerController', - function($scope, $rootScope, $location, $routeParams) { + function($scope, $rootScope, $location, $routeParams, Socket, controllerUtils) { $scope.init = function() { //Network.connect($rootScope.masterId); }; + + if (!$rootScope.wallet || !$rootScope.wallet.id) { + $location.path('signin'); + } + else { + var socket = Socket($scope); + socket.on('connect', controllerUtils.handleTransactionByAddress($scope)); + } }); diff --git a/js/controllers/send.js b/js/controllers/send.js index 682d89dc9..1584c6a76 100644 --- a/js/controllers/send.js +++ b/js/controllers/send.js @@ -1,13 +1,17 @@ 'use strict'; angular.module('copay.send').controller('SendController', - function($scope, $rootScope, $location) { + function($scope, $rootScope, $location, Socket, controllerUtils) { $scope.title = 'Send'; - if (!$rootScope.wallet.id) { + if (!$rootScope.wallet || !$rootScope.wallet.id) { $location.path('signin'); } - + else { + var socket = Socket($scope); + socket.on('connect', controllerUtils.handleTransactionByAddress($scope)); + + } $scope.sendTest = function() { var w = $rootScope.wallet; diff --git a/js/controllers/setup.js b/js/controllers/setup.js index a8f25cb3e..58d5f158d 100644 --- a/js/controllers/setup.js +++ b/js/controllers/setup.js @@ -1,7 +1,7 @@ 'use strict'; angular.module('copay.setup').controller('SetupController', - function($scope, $rootScope, $location, walletFactory) { + function($scope, $rootScope, $location, walletFactory, controllerUtils) { $scope.loading = false; @@ -32,16 +32,7 @@ angular.module('copay.setup').controller('SetupController', totalCopayers: totalCopayers }; var w = walletFactory.create(opts); - w.on('created', function(){ - $location.path('peer'); - $rootScope.wallet = w; - $rootScope.$digest(); - }); - w.on('openError', function(){ - $scope.loading = false; - $rootScope.flashMessage = {type:'error', message: 'Wallet not found'}; - $location.path('signin'); - }); + controllerUtils.setupUxHandlers(w); w.netStart(); }; diff --git a/js/controllers/signin.js b/js/controllers/signin.js index 2a5c00890..260fbb07b 100644 --- a/js/controllers/signin.js +++ b/js/controllers/signin.js @@ -1,36 +1,17 @@ 'use strict'; + + angular.module('copay.signin').controller('SigninController', - function($scope, $rootScope, $location, walletFactory) { + function($scope, $rootScope, $location, walletFactory, controllerUtils) { // var peerData = Storage.get($rootScope.walletId, 'peerData'); // $rootScope.peerId = peerData ? peerData.peerId : null; $scope.loading = false; - $scope.selectedWalletId = false; + $scope.walletIds = walletFactory.getWalletIds(); - $scope.listWalletIds = function() { - return walletFactory.getWalletIds(); - }; - - var _setupUxHandlers = function(w) { - w.on('created', function() { - $location.path('peer'); - $rootScope.wallet = w; - $rootScope.$digest(); - }); - w.on('refresh', function() { - -console.log('[signin.js.23] RECEIVED REFRESH'); //TODO - $rootScope.$digest(); - }); - - w.on('openError', function(){ - $scope.loading = false; - $rootScope.flashMessage = {type:'error', message: 'Wallet not found'}; - $location.path('signin'); - }); - }; + $scope.selectedWalletId = $scope.walletIds.length ? $scope.walletIds[0]:null; $scope.create = function() { $location.path('setup'); @@ -40,16 +21,18 @@ console.log('[signin.js.23] RECEIVED REFRESH'); //TODO $scope.loading = true; var w = walletFactory.open(walletId); - _setupUxHandlers(w); + controllerUtils.setupUxHandlers(w); w.netStart(); }; $scope.join = function(cid) { -console.log('[signin.js.42:join:]'); //TODO $scope.loading = true; + walletFactory.network.on('openError', function() { + controllerUtils.onError($scope); + $rootScope.$digest(); + }); walletFactory.connectTo(cid, function(w) { -console.log('[signin.js.50]'); //TODO - _setupUxHandlers(w); + controllerUtils.setupUxHandlers(w); w.netStart(); }); }; diff --git a/js/controllers/transactions.js b/js/controllers/transactions.js index b92a6b409..5e1e3c835 100644 --- a/js/controllers/transactions.js +++ b/js/controllers/transactions.js @@ -1,29 +1,33 @@ 'use strict'; angular.module('copay.transactions').controller('TransactionsController', - function($scope, $rootScope, $location) { + function($scope, $rootScope, $location, Socket, controllerUtils) { $scope.title = 'Transactions'; $scope.oneAtATime = true; - if (!$rootScope.wallet.id) { + if (!$rootScope.wallet || !$rootScope.wallet.id) { $location.path('signin'); } + else { + $scope.txsinput = [ + { + fromAddr: "n3zUqNR7Bbbc4zJhPVj1vG2Lx66K3Xhzvb", + toAddr: "msvv2mDfE298s7boXwALq4Dqv77K3TWRZ1", + amount: 23.9982 + }, + { + fromAddr: "my9wnLwwUrwpNfEgSrWY62ymEGf1edKf4J", + toAddr: "monCusNiDuptf68rtr58hEjKpJt6cW6zwS", + amount: 2.22 + } + ]; - $scope.txsinput = [ - { - fromAddr: "n3zUqNR7Bbbc4zJhPVj1vG2Lx66K3Xhzvb", - toAddr: "msvv2mDfE298s7boXwALq4Dqv77K3TWRZ1", - amount: 23.9982 - }, - { - fromAddr: "my9wnLwwUrwpNfEgSrWY62ymEGf1edKf4J", - toAddr: "monCusNiDuptf68rtr58hEjKpJt6cW6zwS", - amount: 2.22 + $scope.txsoutput = $rootScope.wallet.getTxProposals(); + + var socket = Socket($scope); + socket.on('connect', controllerUtils.handleTransactionByAddress($scope)); } - ]; - - $scope.txsoutput = $rootScope.wallet.getTxProposals(); $scope.sign = function (ntxid) { var w = $rootScope.wallet; diff --git a/js/models/blockchain/Insight.js b/js/models/blockchain/Insight.js index b7f11fad4..e2fe60c72 100644 --- a/js/models/blockchain/Insight.js +++ b/js/models/blockchain/Insight.js @@ -29,15 +29,6 @@ function _asyncForEach(array, fn, callback) { } }; -Insight.prototype.getBalance = function(unspent) { - var balance = 0; - for(var i=0;i peer is started before - this.peer = new Peer(this.peerId, { - key: this.apiKey, // TODO: we need our own PeerServer KEY (http://peerjs.com/peerserver) - debug: this.debug, - }); - + this.peer = new Peer(this.peerId, this.opts); this._setupPeerHandlers(openCallback); }; @@ -239,6 +244,7 @@ Network.prototype._sendToOne = function(peerId, data, cb) { Network.prototype.send = function(peerIds, data, cb) { var self=this; +console.log('[WebRTC.js.242] SENDING ', data.type); //TODO if (!peerIds) { peerIds = this.connectedPeers; data.isBroadcast = 1; @@ -248,6 +254,7 @@ Network.prototype.send = function(peerIds, data, cb) { var l = peerIds.length; var i = 0; peerIds.forEach(function(peerId) { +console.log('[WebRTC.js.258:peerId:]',peerId); //TODO self._sendToOne(peerId, data, function () { if (++i === l && typeof cb === 'function') cb(); }); @@ -263,7 +270,6 @@ Network.prototype.connectTo = function(peerId) { console.log('### STARTING TO CONNECT TO:' + peerId ); var dataConn = this.peer.connect(peerId, { -// label: 'wallet', serialization: 'none', reliable: true, metadata: { message: 'hi copayer!' } @@ -276,7 +282,6 @@ Network.prototype.connectTo = function(peerId) { Network.prototype.disconnect = function(cb) { var self = this; self.closing = 1; - this.send(null, { type: 'disconnect' }, function() { self.connectedPeers = []; self.peerId = null; diff --git a/js/models/storage/LocalPlain.js b/js/models/storage/LocalPlain.js index d32234899..d5434f91b 100644 --- a/js/models/storage/LocalPlain.js +++ b/js/models/storage/LocalPlain.js @@ -54,13 +54,17 @@ Storage.prototype.remove = function(walletId, k) { Storage.prototype.getWalletIds = function() { var walletIds = []; + var uniq = {}; for (var i = 0; i < localStorage.length; i++) { var key = localStorage.key(i); var split = key.split('::'); if (split.length == 2) { var walletId = split[0]; - walletIds.push(walletId); + if (typeof uniq[walletId] === 'undefined' ) { + walletIds.push(walletId); + uniq[walletId] = 1; + } } } diff --git a/js/services/controllerUtils.js b/js/services/controllerUtils.js new file mode 100644 index 000000000..1c5cde907 --- /dev/null +++ b/js/services/controllerUtils.js @@ -0,0 +1,71 @@ +'use strict'; + +angular.module('copay.controllerUtils').factory('controllerUtils', function ($rootScope, $location, Socket) { + var root = {}; + + root.logout = function(scope) { + delete $rootScope['wallet']; + $rootScope.totalBalance = 0; + $location.path('signin'); + }; + + root.onError = function(scope) { + if (scope) scope.loading = false; + $rootScope.flashMessage = {type:'error', message: 'Could not connect to peer'}; + root.logout(); + } + + + root.onErrorDigest = function(scope) { + root.onError(scope); + $rootScope.$digest(); + } + + + root.setupUxHandlers = function(w) { + + w.on('badMessage', function(peerId) { + $rootScope.flashMessage = {type:'error', message: 'Received wrong message from peer id:' + peerId}; + }); + + w.on('created', function() { + $location.path('peer'); + $rootScope.wallet = w; + + // Initial getBalance + $rootScope.wallet.getTotalBalance(function(balance) { + $rootScope.totalBalance = balance; + $rootScope.$digest(); + }); + }); + w.on('refresh', function() { + console.log('[controllerUtils.js] Refreshing'); //TODO + $rootScope.$digest(); + }); + w.on('openError', root.onErrorDigest); + w.on('close', root.onErrorDigest); + }; + + root.handleTransactionByAddress = function(scope) { + var socket = Socket(scope); + var addrs = $rootScope.wallet.getAddressesStr(); + socket.emit('subscribe', 'inv'); + for(var i=0;i MIT Licensed */ + +var io = ('undefined' === typeof module ? {} : module.exports); +(function() { + +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * 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 + * MIT Licensed + */ + +(function (exports, global) { + + /** + * Utilities namespace. + * + * @namespace + */ + + var util = exports.util = {}; + + /** + * Parses an URI + * + * @author Steven Levithan (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 + * 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 + * 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 + * 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 + * 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 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 + * 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 + * 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 + * 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 + * 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 + * 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(''); + 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 + * 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 + * 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('