converse.js/Libraries/strophe.muc.js

/*
 *Plugin to implement the MUC extension.
   http://xmpp.org/extensions/xep-0045.html

 *Previous Author:
    Nathan Zorn <nathan.zorn@gmail.com>
 *Complete CoffeeScript rewrite:
    Andreas Guth <guth@dbis.rwth-aachen.de>
 *Cleanup, AMD/global registrations and bugfixes:
    JC Brand <jc@opkode.com>
*/

// AMD/global registrations
(function (root, factory) {
    if (typeof console === undefined || typeof console.log === undefined) {
        console = { log: function () {}, error: function () {} };
    }
    if (typeof define === 'function' && define.amd) { 
        define([
            "strophe"
            ], function () {
                if (console===undefined || console.log===undefined) {
                    console = { log: function () {}, error: function () {} };
                }
                return factory(jQuery, console);
            }
        );
    } else { 
        return factory(jQuery, console);
    }
}(this, function ($, console) {

    (function() {
    var Occupant, RoomConfig, XmppRoom,
        __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };

    Strophe.addConnectionPlugin('muc', {
        _connection: null,
        rooms: [],
        init: function(conn) {
            /* Initialize the MUC plugin. Sets the correct connection object and
             * extends the namesace.
             */
            this._connection = conn;
            this._muc_handler = null;
            Strophe.addNamespace('MUC_OWNER', Strophe.NS.MUC + "#owner");
            Strophe.addNamespace('MUC_ADMIN', Strophe.NS.MUC + "#admin");
            Strophe.addNamespace('MUC_USER', Strophe.NS.MUC + "#user");
            return Strophe.addNamespace('MUC_ROOMCONF', Strophe.NS.MUC + "#roomconfig");
        },

        join: function(room, nick, msg_handler_cb, pres_handler_cb, roster_cb, password) {
            /* Join a multi-user chat room
             *
             *  Parameters:
             *  (String) room - The multi-user chat room to join.
             *  (String) nick - Optional nickname to use in the chat room.
             *  (Function) msg_handler_cb - The function call to handle messages from the specified chat room.
             *  (Function) pres_handler_cb - The function call back to handle presence in the chat room.
             *  (String) password - The optional password to use. (password protected rooms only)
            */
            var msg, room_nick, _this = this;

            room_nick = this.test_append_nick(room, nick);
            msg = $pres({
                from: this._connection.jid,
                to: room_nick
            }).c("x", {
                xmlns: Strophe.NS.MUC
            });
            if (password !== null) {
                msg.cnode(Strophe.xmlElement("password", [], password));
            }
            if (this._muc_handler === null) {
                this._muc_handler = this._connection.addHandler(function(stanza) {
                    var from, handler, handlers, id, roomname, x, xmlns, xquery, _i, _len;
                    from = stanza.getAttribute('from');
                    roomname = from.split("/")[0];
                    if (!_this.rooms[roomname]) { return true; }
                    room = _this.rooms[roomname];
                    handlers = {};
                    if (stanza.nodeName === "message") {
                        handlers = room._message_handlers;
                    } else if (stanza.nodeName === "presence") {
                        xquery = stanza.getElementsByTagName("x");
                        if (xquery.length > 0) {
                            for (_i = 0, _len = xquery.length; _i < _len; _i++) {
                                x = xquery[_i];
                                xmlns = x.getAttribute("xmlns");
                                if (xmlns && xmlns.match(Strophe.NS.MUC)) {
                                handlers = room._presence_handlers;
                                break;
                                }
                            }
                        }
                    }
                    _.each(handlers, function (handler, id, handlers) {
                        if (!handler(stanza, room)) { delete handlers[id]; }
                    });
                    return true;
                });
            }
            if (!_.has(this.rooms, room)) {
                this.rooms[room] = new XmppRoom(this, room, nick, password);
            }
            if (pres_handler_cb) {
                this.rooms[room].addHandler('presence', pres_handler_cb);
            }
            if (msg_handler_cb) {
                this.rooms[room].addHandler('message', msg_handler_cb);
            }
            if (roster_cb) {
                this.rooms[room].addHandler('roster', roster_cb);
            }
            return this._connection.send(msg);
        },

        leave: function(room, nick, handler_cb, exit_msg) {
            /*  Leave a multi-user chat room
             *
             *  Parameters:
             *  (String) room - The multi-user chat room to leave.
             *  (String) nick - The nick name used in the room.
             *  (Function) handler_cb - Optional function to handle the successful leave.
             *  (String) exit_msg - optional exit message.
             *  Returns:
             *  iqid - The unique id for the room leave.
             */
            var presence, presenceid, room_nick;
            delete this.rooms[room];
            if (this.rooms.length === 0) {
                this._connection.deleteHandler(this._muc_handler);
                this._muc_handler = null;
            }
            room_nick = this.test_append_nick(room, nick);
            presenceid = this._connection.getUniqueId();
            presence = $pres({
                type: "unavailable",
                id: presenceid,
                from: this._connection.jid,
                to: room_nick
            });
            if (exit_msg !== null) {
                presence.c("status", exit_msg);
            }
            if (handler_cb !== null) {
                this._connection.addHandler(handler_cb, null, "presence", null, presenceid);
            }
            this._connection.send(presence);
            return presenceid;
        },

        message: function(room, nick, message, html_message, type) {
            /*  Parameters:
             *  (String) room - The multi-user chat room name.
             *  (String) nick - The nick name used in the chat room.
             *  (String) message - The plaintext message to send to the room.
             *  (String) html_message - The message to send to the room with html markup.
             *  (String) type - "groupchat" for group chat messages o
             *                  "chat" for private chat messages
             *  Returns:
             *  msgiq - the unique id used to send the message
            */
            var msg, msgid, parent, room_nick;
            room_nick = this.test_append_nick(room, nick);
            type = type || (nick !== null ? "chat" : "groupchat");
            msgid = this._connection.getUniqueId();
            msg = $msg({
                to: room_nick,
                from: this._connection.jid,
                type: type,
                id: msgid
            }).c("body", {
                xmlns: Strophe.NS.CLIENT
            }).t(message);
            msg.up();
            if (html_message !== null) {
                msg.c("html", {xmlns: Strophe.NS.XHTML_IM}).c("body", {xmlns: Strophe.NS.XHTML}).h(html_message);

                if (msg.node.childNodes.length === 0) {
                    parent = msg.node.parentNode;
                    msg.up().up();
                    msg.node.removeChild(parent);
                } else {
                    msg.up().up();
                }
            }
            msg.c("x", {
                xmlns: "jabber:x:event"
            }).c("composing");
            this._connection.send(msg);
            return msgid;
        },

        groupchat: function(room, message, html_message) {
            /* Convenience Function to send a Message to all Occupants
             * Parameters:
             * (String) room - The multi-user chat room name.
             * (String) message - The plaintext message to send to the room.
             * (String) html_message - The message to send to the room with html markup.
             * Returns:
             * msgiq - the unique id used to send the message
            */
            return this.message(room, null, message, html_message);
        },

        invite: function(room, receiver, reason) {
            /* Send a mediated invitation.
             * Parameters:
             * (String) room - The multi-user chat room name.
             * (String) receiver - The invitation's receiver.
             * (String) reason - Optional reason for joining the room.
             * Returns:
             * msgiq - the unique id used to send the invitation
            */
            var invitation, msgid;
            msgid = this._connection.getUniqueId();
            invitation = $msg({
                from: this._connection.jid,
                to: room,
                id: msgid
            }).c('x', {
                xmlns: Strophe.NS.MUC_USER
            }).c('invite', {
                to: receiver
            });
            if (reason !== null) {
                invitation.c('reason', reason);
            }
            this._connection.send(invitation);
            return msgid;
        },

        directInvite: function(room, receiver, reason, password) {
            /* Send a direct invitation.
             * Parameters:
             * (String) room - The multi-user chat room name.
             * (String) receiver - The invitation's receiver.
             * (String) reason - Optional reason for joining the room.
             * (String) password - Optional password for the room.
             * Returns:
             * msgiq - the unique id used to send the invitation
            */

            var attrs, invitation, msgid;
            msgid = this._connection.getUniqueId();
            attrs = {
                xmlns: 'jabber:x:conference',
                jid: room
            };
            if (reason !== null) { attrs.reason = reason; }
            if (password !== null) { attrs.password = password; }
            invitation = $msg({
                from: this._connection.jid,
                to: receiver,
                id: msgid
            }).c('x', attrs);
            this._connection.send(invitation);
            return msgid;
        },

        queryOccupants: function(room, success_cb, error_cb) {
            /* Queries a room for a list of occupants
             * (String) room - The multi-user chat room name.
             * (Function) success_cb - Optional function to handle the info.
             * (Function) error_cb - Optional function to handle an error.
             * Returns:
             * id - the unique id used to send the info request
            */
            var attrs, info;
            attrs = {
                xmlns: Strophe.NS.DISCO_ITEMS
            };
            info = $iq({
                from: this._connection.jid,
                to: room,
                type: 'get'
            }).c('query', attrs);
            return this._connection.sendIQ(info, success_cb, error_cb);
        },

        configure: function(room, handler_cb) {
            /* Start a room configuration.
             * Parameters:
             * (String) room - The multi-user chat room name.
             * (Function) handler_cb - Optional function to handle the config form.
             * Returns:
             * id - the unique id used to send the configuration request
            */

            var config, id, stanza;
            config = $iq({
                to: room,
                type: "get"
            }).c("query", {
                xmlns: Strophe.NS.MUC_OWNER
            });
            stanza = config.tree();
            id = this._connection.sendIQ(stanza);
            if (handler_cb !== null) {
                this._connection.addHandler(function(stanza) { handler_cb(stanza);
                return false;
                }, Strophe.NS.MUC_OWNER, "iq", null, id);
            }
        return id;
        },

        cancelConfigure: function(room) {
            /* Cancel the room configuration
             * Parameters:
             * (String) room - The multi-user chat room name.
             * Returns:
             * id - the unique id used to cancel the configuration.
            */
            var config, stanza;
            config = $iq({
                to: room,
                type: "set"
            }).c("query", {
                xmlns: Strophe.NS.MUC_OWNER
            }).c("x", {
                xmlns: "jabber:x:data",
                type: "cancel"
            });
            stanza = config.tree();
            return this._connection.sendIQ(stanza);
        },

        saveConfiguration: function(room, configarray) {
            /* Save a room configuration.
             * Parameters:
             * (String) room - The multi-user chat room name.
             * (Array) configarray - an array of form elements used to configure the room.
             * Returns:
             * id - the unique id used to save the configuration.
            */
            var conf, config, stanza, _i, _len;
            config = $iq({
                to: room,
                type: "set"
            }).c("query", {
                xmlns: Strophe.NS.MUC_OWNER
            }).c("x", {
                xmlns: "jabber:x:data",
                type: "submit"
            });
            for (_i = 0, _len = configarray.length; _i < _len; _i++) {
                conf = configarray[_i];
                config.cnode(conf).up();
            }
            stanza = config.tree();
            return this._connection.sendIQ(stanza);
        },

        createInstantRoom: function(room) {
            /* Parameters:
             * (String) room - The multi-user chat room name.
             * Returns:
             * id - the unique id used to create the chat room.
            */
            var roomiq;
            roomiq = $iq({
                to: room,
                type: "set"
            }).c("query", {
                xmlns: Strophe.NS.MUC_OWNER
            }).c("x", {
                xmlns: "jabber:x:data",
                type: "submit"
            });
            return this._connection.sendIQ(roomiq.tree());
        },

        setTopic: function(room, topic) {
            /* Set the topic of the chat room.
             * Parameters:
             * (String) room - The multi-user chat room name.
             * (String) topic - Topic message.
            */
            var msg;
            msg = $msg({
                to: room,
                from: this._connection.jid,
                type: "groupchat"
            }).c("subject", {
                xmlns: "jabber:client"
            }).t(topic);
            return this._connection.send(msg.tree());
        },

        _modifyPrivilege: function(room, item, reason, handler_cb, error_cb) {
            /* Internal Function that Changes the role or affiliation of a member
             * of a MUC room. This function is used by modifyRole and modifyAffiliation.
             * The modification can only be done by a room moderator. An error will be
             * returned if the user doesn't have permission.
             * Parameters:
             * (String) room - The multi-user chat room name.
             * (Object) item - Object with nick and role or jid and affiliation attribute
             * (String) reason - Optional reason for the change.
             * (Function) handler_cb - Optional callback for success
             * (Function) errer_cb - Optional callback for error
             * Returns:
             * iq - the id of the mode change request.
            */
            var iq;
            iq = $iq({
                to: room,
                type: "set"
            }).c("query", {
                xmlns: Strophe.NS.MUC_ADMIN
            }).cnode(item.node);
            if (reason !== null) { iq.c("reason", reason); }
            return this._connection.sendIQ(iq.tree(), handler_cb, error_cb);
        },

        modifyRole: function(room, nick, role, reason, handler_cb, error_cb) {
            /* Changes the role of a member of a MUC room.
             * The modification can only be done by a room moderator. An error will be
             * returned if the user doesn't have permission.
             * Parameters:
             * (String) room - The multi-user chat room name.
             * (String) nick - The nick name of the user to modify.
             * (String) role - The new role of the user.
             * (String) affiliation - The new affiliation of the user.
             * (String) reason - Optional reason for the change.
             * (Function) handler_cb - Optional callback for success
             * (Function) errer_cb - Optional callback for error
             * Returns:
             * iq - the id of the mode change request.
            */
            var item;
            item = $build("item", {
                nick: nick,
                role: role
            });
            return this._modifyPrivilege(room, item, reason, handler_cb, error_cb);
        },

        kick: function(room, nick, reason, handler_cb, error_cb) {
            return this.modifyRole(room, nick, 'none', reason, handler_cb, error_cb);
        },
        voice: function(room, nick, reason, handler_cb, error_cb) {
            return this.modifyRole(room, nick, 'participant', reason, handler_cb, error_cb);
        },
        mute: function(room, nick, reason, handler_cb, error_cb) {
            return this.modifyRole(room, nick, 'visitor', reason, handler_cb, error_cb);
        },
        op: function(room, nick, reason, handler_cb, error_cb) {
            return this.modifyRole(room, nick, 'moderator', reason, handler_cb, error_cb);
        },
        deop: function(room, nick, reason, handler_cb, error_cb) {
            return this.modifyRole(room, nick, 'participant', reason, handler_cb, error_cb);
        },

        modifyAffiliation: function(room, jid, affiliation, reason, handler_cb, error_cb) {
            /* Changes the affiliation of a member of a MUC room.
             * The modification can only be done by a room moderator. An error will be
             * returned if the user doesn't have permission.
             * Parameters:
             * (String) room - The multi-user chat room name.
             * (String) jid  - The jid of the user to modify.
             * (String) affiliation - The new affiliation of the user.
             * (String) reason - Optional reason for the change.
             * (Function) handler_cb - Optional callback for success
             * (Function) errer_cb - Optional callback for error
             * Returns:
             *  iq - the id of the mode change request.
            */
            var item;
            item = $build("item", {
                jid: jid,
                affiliation: affiliation
            });
            return this._modifyPrivilege(room, item, reason, handler_cb, error_cb);
            },
            ban: function(room, jid, reason, handler_cb, error_cb) {
            return this.modifyAffiliation(room, jid, 'outcast', reason, handler_cb, error_cb);
            },
            member: function(room, jid, reason, handler_cb, error_cb) {
            return this.modifyAffiliation(room, jid, 'member', reason, handler_cb, error_cb);
            },
            revoke: function(room, jid, reason, handler_cb, error_cb) {
            return this.modifyAffiliation(room, jid, 'none', reason, handler_cb, error_cb);
            },
            owner: function(room, jid, reason, handler_cb, error_cb) {
            return this.modifyAffiliation(room, jid, 'owner', reason, handler_cb, error_cb);
            },
            admin: function(room, jid, reason, handler_cb, error_cb) {
            return this.modifyAffiliation(room, jid, 'admin', reason, handler_cb, error_cb);
            },

        changeNick: function(room, user) {
            /* Change the current users nick name.
             * Parameters:
             * (String) room - The multi-user chat room name.
             * (String) user - The new nick name.
            */
            var presence, room_nick;
            room_nick = this.test_append_nick(room, user);
            presence = $pres({
                from: this._connection.jid,
                to: room_nick,
                id: this._connection.getUniqueId()
            });
            return this._connection.send(presence.tree());
        },

        setStatus: function(room, user, show, status) {
            /* Change the current users status.
             * Parameters:
             * (String) room - The multi-user chat room name.
             * (String) user - The current nick.
             * (String) show - The new show-text.
             * (String) status - The new status-text.
            */
            var presence, room_nick;
            room_nick = this.test_append_nick(room, user);
            presence = $pres({
                from: this._connection.jid,
                to: room_nick
            });
            if (show !== null) { presence.c('show', show).up(); }
            if (status !== null) { presence.c('status', status); }
            return this._connection.send(presence.tree());
        },

        listRooms: function(server, handle_cb) {
            /* List all chat room available on a server.
             * Parameters:
             * (String) server - name of chat server.
             * (String) handle_cb - Function to call for room list return.
            */
            var iq;
            iq = $iq({
                to: server,
                from: this._connection.jid,
                type: "get"
            }).c("query", {
                xmlns: Strophe.NS.DISCO_ITEMS
            });
            return this._connection.sendIQ(iq, handle_cb);
            },
            test_append_nick: function(room, nick) {
            return room + (nick !== null ? "/" + (Strophe.escapeNode(nick)) : "");
        }
    });

    XmppRoom = (function() {
        function XmppRoom(client, name, nick, password) {
        this.roster = {};
        this._message_handlers = {};
        this._presence_handlers = {};
        this._roster_handlers = {};
        this._handler_ids = 0;

        this.client = client;
        this.name = name;
        this.nick = nick;
        this.password = password;
        this._roomRosterHandler = __bind(this._roomRosterHandler, this);
        this._addOccupant = __bind(this._addOccupant, this);
        if (client.muc) { this.client = client.muc; }
        this.name = Strophe.getBareJidFromJid(name);
        this.client.rooms[this.name] = this;
        this.addHandler('presence', this._roomRosterHandler);
        }

        XmppRoom.prototype.join = function(msg_handler_cb, pres_handler_cb) {
        if (!this.client.rooms[this.name]) {
            return this.client.join(this.name, this.nick, msg_handler_cb, pres_handler_cb, this.password);
        }
        };

        XmppRoom.prototype.leave = function(handler_cb, message) {
            this.client.leave(this.name, this.nick, handler_cb, message);
            return delete this.client.rooms[this.name];
        };

        XmppRoom.prototype.message = function(nick, message, html_message, type) {
            return this.client.message(this.name, nick, message, html_message, type);
        };

        XmppRoom.prototype.groupchat = function(message, html_message) {
            return this.client.groupchat(this.name, message, html_message);
        };

        XmppRoom.prototype.invite = function(receiver, reason) {
            return this.client.invite(this.name, receiver, reason);
        };

        XmppRoom.prototype.directInvite = function(receiver, reason) {
            return this.client.directInvite(this.name, receiver, reason, this.password);
        };

        XmppRoom.prototype.configure = function(handler_cb) {
            return this.client.configure(this.name, handler_cb);
        };

        XmppRoom.prototype.cancelConfigure = function() {
            return this.client.cancelConfigure(this.name);
        };

        XmppRoom.prototype.saveConfiguration = function(configarray) {
            return this.client.saveConfiguration(this.name, configarray);
        };

        XmppRoom.prototype.queryOccupants = function(success_cb, error_cb) {
            return this.client.queryOccupants(this.name, success_cb, error_cb);
        };

        XmppRoom.prototype.setTopic = function(topic) {
            return this.client.setTopic(this.name, topic);
        };

        XmppRoom.prototype.modifyRole = function(nick, role, reason, success_cb, error_cb) {
            return this.client.modifyRole(this.name, nick, role, reason, success_cb, error_cb);
        };

        XmppRoom.prototype.kick = function(nick, reason, handler_cb, error_cb) {
            return this.client.kick(this.name, nick, reason, handler_cb, error_cb);
        };

        XmppRoom.prototype.voice = function(nick, reason, handler_cb, error_cb) {
            return this.client.voice(this.name, nick, reason, handler_cb, error_cb);
        };

        XmppRoom.prototype.mute = function(nick, reason, handler_cb, error_cb) {
            return this.client.mute(this.name, nick, reason, handler_cb, error_cb);
        };

        XmppRoom.prototype.op = function(nick, reason, handler_cb, error_cb) {
            return this.client.op(this.name, nick, reason, handler_cb, error_cb);
        };

        XmppRoom.prototype.deop = function(nick, reason, handler_cb, error_cb) {
            return this.client.deop(this.name, nick, reason, handler_cb, error_cb);
        };

        XmppRoom.prototype.modifyAffiliation = function(jid, affiliation, reason, success_cb, error_cb) {
            return this.client.modifyAffiliation(this.name, jid, affiliation, reason, success_cb, error_cb);
        };

        XmppRoom.prototype.ban = function(jid, reason, handler_cb, error_cb) {
            return this.client.ban(this.name, jid, reason, handler_cb, error_cb);
        };

        XmppRoom.prototype.member = function(jid, reason, handler_cb, error_cb) {
            return this.client.member(this.name, jid, reason, handler_cb, error_cb);
        };

        XmppRoom.prototype.revoke = function(jid, reason, handler_cb, error_cb) {
            return this.client.revoke(this.name, jid, reason, handler_cb, error_cb);
        };

        XmppRoom.prototype.owner = function(jid, reason, handler_cb, error_cb) {
            return this.client.owner(this.name, jid, reason, handler_cb, error_cb);
        };

        XmppRoom.prototype.admin = function(jid, reason, handler_cb, error_cb) {
            return this.client.admin(this.name, jid, reason, handler_cb, error_cb);
        };

        XmppRoom.prototype.changeNick = function(nick) {
            this.nick = nick;
            return this.client.changeNick(this.name, nick);
        };

        XmppRoom.prototype.setStatus = function(show, status) {
            return this.client.setStatus(this.name, this.nick, show, status);
        };

        XmppRoom.prototype.addHandler = function(handler_type, handler) {
            /* Adds a handler to the MUC room.
             * Parameters:
             * (String) handler_type - 'message', 'presence' or 'roster'.
             * (Function) handler - The handler function.
             * Returns:
             * id - the id of handler.
            */
            var id;
            id = this._handler_ids++;
            switch (handler_type) {
                case 'presence':
                this._presence_handlers[id] = handler;
                break;
                case 'message':
                this._message_handlers[id] = handler;
                break;
                case 'roster':
                this._roster_handlers[id] = handler;
                break;
                default:
                this._handler_ids--;
                return null;
            }
            return id;
        };

        XmppRoom.prototype.removeHandler = function(id) {
            /* Removes a handler from the MUC room.
            * This function takes ONLY ids returned by the addHandler function
            * of this room. passing handler ids returned by connection.addHandler
            * may brake things!
            * Parameters:
            * (number) id - the id of the handler
            */
            delete this._presence_handlers[id];
            delete this._message_handlers[id];
            return delete this._roster_handlers[id];
        };

        XmppRoom.prototype._addOccupant = function(data) {
            /* Creates and adds an Occupant to the Room Roster.
            * Parameters:
            * (Object) data - the data the Occupant is filled with
            * Returns:
            * occ - the created Occupant.
            */
            var occ;
            occ = new Occupant(data, this);
            this.roster[occ.nick] = occ;
            return occ;
        };

        XmppRoom.prototype._roomRosterHandler = function(pres) {
            /* The standard handler that managed the Room Roster.
             * Parameters:
             * (Object) pres - the presence stanza containing user information
            */
            var data, handler, id, newnick, nick, _ref;
            data = XmppRoom._parsePresence(pres);
            nick = data.nick;
            newnick = data.newnick || null;
            switch (data.type) {
                case 'error':
                    return;
                case 'unavailable':
                    if (newnick) {
                        data.nick = newnick;
                        if (this.roster[nick] && this.roster[newnick]) {
                            this.roster[nick].update(this.roster[newnick]);
                            this.roster[newnick] = this.roster[nick];
                        }
                        if (this.roster[nick] && !this.roster[newnick]) {
                            this.roster[newnick] = this.roster[nick].update(data);
                        }
                    }
                    delete this.roster[nick];
                    break;
                default:
                    if (this.roster[nick]) {
                        this.roster[nick].update(data);
                    } else {
                        this._addOccupant(data);
                    }
            }
            _ref = this._roster_handlers;
            for (id in _ref) {
                handler = _ref[id];
                if (!handler(this.roster, this)) { delete this._roster_handlers[id]; }
            }
            return true;
        };

        XmppRoom._parsePresence = function(pres) {
            /* Parses a presence stanza into a map
             * Parameters:
             * (Object) pres -  the presence stanza
             * Returns:
             * (Object) data - the data extracted from the presence stanza
            */
            var $pres, data, i, j, children, item;
            $pres = $(pres);
            data = {};
            data.nick = Strophe.getResourceFromJid($pres.attr('from'));
            data.type = $pres.attr('type');
            data.states = [];
            for (i=0; i < $pres.children().length; i++) {
                child = $pres.children()[0];
                switch (child.nodeName) {
                    case 'status':
                        data.status = child.textContent || null;
                        break;
                    case 'show':
                        data.show = child.textContent || null;
                        break;
                    case 'x':
                        if ($(child).attr('xmlns') === Strophe.NS.MUC_USER) {
                            children = $(child).children();
                            for (j=0; j < children.length; j++) {
                                item = children[0];
                                switch (item.nodeName) {
                                    case "item":
                                        a = item.attributes;
                                        data.affiliation = $(item).attr('affiliation') || null;
                                        data.role = $(item).attr('role') || null;
                                        data.jid = $(item).attr('jid') || null;
                                        data.newnick = $(item).attr('nick') || null;
                                        break;
                                    case "status":
                                        if ($(item).attr('code')) {
                                            data.states.push($(item).attr('code'));
                                        }
                                        break;
                                }
                            }
                        }
                        break;
                }
            }
            return data;
        };

        return XmppRoom;

    })();

    RoomConfig = (function() {

        function RoomConfig(info) {
            this.parse = __bind(this.parse, this);      
            if (info !== null) { this.parse(info); }
        }

        RoomConfig.prototype.parse = function(result) {
            var attr, attrs, child, field, identity, query, _i, _j, _k, _len, _len2, _len3, _ref;
            query = result.getElementsByTagName("query")[0].childNodes;
            this.identities = [];
            this.features = [];
            this.x = [];
            for (_i = 0, _len = query.length; _i < _len; _i++) {
                child = query[_i];
                attrs = child.attributes;
                switch (child.nodeName) {
                    case "identity":
                        identity = {};
                        for (_j = 0, _len2 = attrs.length; _j < _len2; _j++) {
                            attr = attrs[_j];
                            identity[attr.name] = attr.textContent;
                        }
                        this.identities.push(identity);
                        break;
                    case "feature":
                        this.features.push(attrs["var"].textContent);
                        break;
                    case "x":
                        attrs = child.childNodes[0].attributes;
                        if ((!attrs["var"].textContent === 'FORM_TYPE') || (!attrs.type.textContent === 'hidden')) {
                            break;
                        }
                        _ref = child.childNodes;
                        for (_k = 0, _len3 = _ref.length; _k < _len3; _k++) {
                            field = _ref[_k];
                            if (!(!field.attributes.type)) continue;

                            attrs = field.attributes;
                            this.x.push({
                                "var": attrs["var"].textContent,
                                label: attrs.label.textContent || "",
                                value: field.firstChild.textContent || ""
                            });
                        }
                }
            }
            return {
                "identities": this.identities,
                "features": this.features,
                "x": this.x
            };
        };

        return RoomConfig;
    })();

    Occupant = (function() {

        function Occupant(data, room) {
            this.room = room;
            this.update = __bind(this.update, this);
            this.admin = __bind(this.admin, this);
            this.owner = __bind(this.owner, this);
            this.revoke = __bind(this.revoke, this);
            this.member = __bind(this.member, this);
            this.ban = __bind(this.ban, this);
            this.modifyAffiliation = __bind(this.modifyAffiliation, this);
            this.deop = __bind(this.deop, this);
            this.op = __bind(this.op, this);
            this.mute = __bind(this.mute, this);
            this.voice = __bind(this.voice, this);
            this.kick = __bind(this.kick, this);
            this.modifyRole = __bind(this.modifyRole, this);
            this.update(data);
        }

        Occupant.prototype.modifyRole = function(role, reason, success_cb, error_cb) {
            return this.room.modifyRole(this.nick, role, reason, success_cb, error_cb);
        };

        Occupant.prototype.kick = function(reason, handler_cb, error_cb) {
            return this.room.kick(this.nick, reason, handler_cb, error_cb);
        };

        Occupant.prototype.voice = function(reason, handler_cb, error_cb) {
            return this.room.voice(this.nick, reason, handler_cb, error_cb);
        };

        Occupant.prototype.mute = function(reason, handler_cb, error_cb) {
            return this.room.mute(this.nick, reason, handler_cb, error_cb);
        };

        Occupant.prototype.op = function(reason, handler_cb, error_cb) {
            return this.room.op(this.nick, reason, handler_cb, error_cb);
        };

        Occupant.prototype.deop = function(reason, handler_cb, error_cb) {
            return this.room.deop(this.nick, reason, handler_cb, error_cb);
        };

        Occupant.prototype.modifyAffiliation = function(affiliation, reason, success_cb, error_cb) {
            return this.room.modifyAffiliation(this.jid, affiliation, reason, success_cb, error_cb);
        };

        Occupant.prototype.ban = function(reason, handler_cb, error_cb) {
            return this.room.ban(this.jid, reason, handler_cb, error_cb);
        };

        Occupant.prototype.member = function(reason, handler_cb, error_cb) {
            return this.room.member(this.jid, reason, handler_cb, error_cb);
        };

        Occupant.prototype.revoke = function(reason, handler_cb, error_cb) {
            return this.room.revoke(this.jid, reason, handler_cb, error_cb);
        };

        Occupant.prototype.owner = function(reason, handler_cb, error_cb) {
            return this.room.owner(this.jid, reason, handler_cb, error_cb);
        };

        Occupant.prototype.admin = function(reason, handler_cb, error_cb) {
            return this.room.admin(this.jid, reason, handler_cb, error_cb);
        };

        Occupant.prototype.update = function(data) {
            this.nick = data.nick || null;
            this.affiliation = data.affiliation || null;
            this.role = data.role || null;
            this.jid = data.jid || null;
            this.status = data.status || null;
            this.show = data.show || null;
            return this;
        };
        return Occupant;

    })();

    }).call(this);
}));