Minor refactoring.

Split showRoomInfo into two new methods.

src/converse-muc.js

@@ -1382,7 +1382,7 @@
                     'submit form.add-chatroom': 'createChatRoom',
                     'click input#show-rooms': 'showRooms',
                     'click a.open-room': 'createChatRoom',
-                    'click a.room-info': 'showRoomInfo',
+                    'click a.room-info': 'toggleRoomInfo',
                     'change input[name=server]': 'setDomain',
                     'change input[name=nick]': 'setNick'
                 },
@@ -1493,19 +1493,9 @@
                     this.updateRoomsList();
                 },
 
-                showRoomInfo: function (ev) {
-                    var target = ev.target,
-                        $parent = $(target).parent('dd'),
-                        $div = $parent.find('div.room-info');
-                    if ($div.length) {
-                        $div.remove();
-                    } else {
-                        $parent.find('span.spinner').remove();
-                        $parent.append('<span class="spinner hor_centered"/>');
-                        converse.connection.disco.info(
-                            $(target).attr('data-room-jid'),
-                            null,
-                            function (stanza) {
+                insertRoomInfo: function ($parent, stanza) {
+                    /* Insert room info (based on returned #disco IQ stanza)
+                     */
                     var $stanza = $(stanza);
                     // All MUC features found here: http://xmpp.org/registrar/disco-features.html
                     $parent.find('span.spinner').replaceWith(
@@ -1537,8 +1527,24 @@
                             'label_semi_anon':  __('Semi-anonymous'),
                             'label_temp_room':  __('Temporary room'),
                             'label_unmoderated': __('Unmoderated')
-                                    }));
-                            }.bind(this));
+                        })
+                    );
+                },
+
+                toggleRoomInfo: function (ev) {
+                    /* Show/hide extra information about a room in the listing.
+                     */
+                    var target = ev.target,
+                        $parent = $(target).parent('dd'),
+                        $div = $parent.find('div.room-info');
+                    if ($div.length) {
+                        $div.remove();
+                    } else {
+                        $parent.find('span.spinner').remove();
+                        $parent.append('<span class="spinner hor_centered"/>');
+                        converse.connection.disco.info(
+                            $(target).attr('data-room-jid'), null, _.partial(this.insertRoomInfo, $parent)
+                        );
                     }
                 },