Busy rewriting the javascript to use backbone.js
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JC Brand
parent
be5a8b3c40
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194
chat.js
194
chat.js
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@ -19,6 +19,7 @@ var helpers = (function (helpers) {
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return helpers;
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})(helpers || {});
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var xmppchat = (function (jarnxmpp, $, console) {
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var ob = jarnxmpp;
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/* FIXME: XEP-0136 specifies 'urn:xmpp:archive' but the mod_archive_odbc
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@ -293,52 +294,185 @@ var xmppchat = (function (jarnxmpp, $, console) {
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return ob;
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})(jarnxmpp || {}, jQuery, console || {log: function(){}});
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xmppchat.Roster = (function (roster, jquery, console) {
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xmppchat.RosterItem = Backbone.Model.extend({
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/*
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* RosterItem: {
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* 'status': String,
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* 'subscription': String,
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* 'resources': Array,
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* 'fullname': String
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* }
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*/
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initialize: function (jid, subscription) {
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this.id = jid;
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this.subscription = subscription;
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this.fullname = '';
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this.resources = [];
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this.status = 'offline';
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}
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});
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xmppchat.RosterClass = (function (stropheRoster, _, $, console) {
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var contacts = {},
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ob = roster;
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ob = _.clone(stropheRoster);
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_updateCache = function () {
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if (this.subscription === 'none') {
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delete contacts[this.jid];
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} else {
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contacts[this.jid] = this;
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var Collection = Backbone.Collection.extend({
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model: xmppchat.RosterItem
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});
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var collection = new Collection();
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_.extend(ob, collection);
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_.extend(ob, Backbone.Events);
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stropheRoster._connection = xmppchat.connection;
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ob.comparator = function (rosteritem) {
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var status = rosteritem.get('status'),
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rank = 4;
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switch(status) {
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case 'offline':
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rank = 4;
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break;
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case 'unavailable':
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rank = 3;
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break;
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case 'away':
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rank = 2;
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break;
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case 'busy':
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rank = 1;
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break;
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case 'online':
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rank = 0;
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break;
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}
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return rank;
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};
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_triggerEvent = function () {
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$(document).trigger('xmppchat.roster_updated');
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ob.getRoster = function () {
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return stropheRoster.get();
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};
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ob._connection = xmppchat.connection;
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ob.getItem = function (id) {
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return Backbone.Collection.prototype.get.call(this, id);
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};
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ob.update = function (items, item) {
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old_cache = ob.getCached();
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ob.addRosterItem = function (item) {
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var user_id = Strophe.getNodeFromJid(item.jid),
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model = new xmppchat.RosterItem(item.jid, item.subscription);
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ob.add(model);
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/*
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if (!item.name) {
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// TODO: I think after a user has been added to the roster,
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// his nickname needs to be calculated. This is only
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// feasible if the nickname is persisted. We cannot do this
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// if we have to redo this upon every page load.
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xmppchat.Presence.getUserInfo(user_id, function (data) {
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ob.update(item.jid, data.fullname, [], function () {
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// TODO Store in the model item.
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model.fullname = data.fullname;
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ob.add(model);
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});
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});
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} else {
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ob.add(model);
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}*/
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};
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ob.updateHandler = function (items) {
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var model;
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for (var i=0; i<items.length; i++) {
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if (items[i].subscription === 'none') {
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delete contacts[items[i].jid];
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model = ob.getItem(jid);
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ob.remove(model);
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} else {
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contacts[items[i].jid] = items[i];
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if (ob.getItem(items[i].jid)) {
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// Update the model
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model = ob.getItem(jid);
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model.subscription = item.subscription;
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} else {
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ob.addRosterItem(items[i]);
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}
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}
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}
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console.log('update, size is: '+ _.size(contacts));
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if (!_.isEqual(old_cache, ob.getCached())) {
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console.log('triggering event');
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$(document).trigger('xmppchat.roster_updated');
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}
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};
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/*
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addResource: function (bare_jid, resource) {
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},
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ob.getCached = function () {
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return _.values(contacts);
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};
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removeResource: function (bare_jid, resource) {
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},
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ob.getCachedJids = function () {
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return _.keys(contacts);
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};
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removeAll: function (bare_jid) {
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// Remove all resources for bare_jid
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},
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getNumContacts: function () {
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},
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getJids: function () {
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return _.keys(storage);
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}*/
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return ob;
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});
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xmppchat.RosterItemView = Backbone.View.extend({
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tagName: 'li',
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render: function () {
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var item = this.model,
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jid = item.id,
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bare_jid = Strophe.getBareJidFromJid(jid),
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user_id = Strophe.getNodeFromJid(jid),
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fullname = (item.fullname) ? item.fullname : user_id;
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// FIXME: Here comes underscore templating
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this.el = $('<li></li>').addClass(item.status).attr('id', 'online-users-'+user_id).attr('data-recipient', bare_jid);
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this.el.append($('<a title="Click to chat with this contact"></a>').addClass('user-details-toggle').text(fullname));
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this.el.append($('<a title="Click to remove this contact" href="#"></a>').addClass('remove-xmpp-contact'));
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return this;
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}
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});
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xmppchat.RosterViewClass = (function (roster, _, $, console) {
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ob = {};
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var View = Backbone.View.extend({
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tagName: 'ul',
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el: $('#xmpp-contacts'),
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model: roster,
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// XXX: See if you can use the "events:" thingy here instead of
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// manually registering the event subscribers below.
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render: function () {
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this.el.html($el.html());
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return this;
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}
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});
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var view = new View();
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_.extend(ob, view);
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// Event handlers
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roster.on("add", function (item) {
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console.log('roster add handler called');
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var view = new xmppchat.RosterItemView({
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model: item
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});
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$(ob.el).append(view.render().el);
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});
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roster.on("remove", function (msg) {
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console.log('roster remove handler called!!!!!');
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ob.render();
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});
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return ob;
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});
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// FIXME: Need to get some convention going for naming classes and instances of
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// models and views.
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// Event handlers
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// --------------
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$(document).ready(function () {
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@ -357,9 +491,11 @@ $(document).ready(function () {
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xmppchat.UI.restoreOpenChats();
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xmppchat.Roster = xmppchat.Roster(Strophe._connectionPlugins.roster, $, console);
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xmppchat.Roster.registerCallback(xmppchat.Roster.update);
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xmppchat.Roster.get();
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xmppchat.Roster = xmppchat.RosterClass(Strophe._connectionPlugins.roster, _, $, console);
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xmppchat.RosterView = Backbone.View.extend(xmppchat.RosterViewClass(xmppchat.Roster, _, $, console));
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xmppchat.Roster.registerCallback(xmppchat.Roster.updateHandler);
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xmppchat.Roster.getRoster();
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xmppchat.Presence.sendPresence();
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});
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});
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