[polari] Fix updating Nick

[Florian Müllner <fmuellner src gnome org>]

commit c9addc93c878f5ca984a2c8b8eb262cd6653f977
Author: Florian Müllner <fmuellner gnome org>
Date:   Thu Jul 25 15:31:09 2013 +0200

    Fix updating Nick
    
    Apparently the self-contact prop on connection provides what we need ...

 src/mainWindow.js |   19 +++++++++++--------
 1 files changed, 11 insertions(+), 8 deletions(-)
---
diff --git a/src/mainWindow.js b/src/mainWindow.js
index b65db4f..15ce3a2 100644
--- a/src/mainWindow.js
+++ b/src/mainWindow.js
@@ -223,26 +223,29 @@ const MainWindow = new Lang.Class({
     },
 
     _updateAccount: function() {
-        if (this._account)
-            this._account.disconnect(this._nicknameChangedId);
+        if (this._conn)
+            this._conn.disconnect(this._nicknameChangedId);
         this._nicknameChangedId = 0;
 
-        if (this._room && this._room.channel)
+        if (this._room && this._room.channel) {
+            this._conn = this._room.channel.connection;
             this._account = this._room.channel.connection.get_account();
-        else
+        } else {
             this._account = null;
+            this._conn = null;
+        }
 
-        if (this._account)
+        if (this._conn)
             this._nicknameChangedId =
-                this._account.connect('notify::normalized-name',
-                                      Lang.bind(this, this._updateNick));
+                this._conn.connect('notify::self-contact',
+                                   Lang.bind(this, this._updateNick));
 
         this._updateNick();
         this._updateSensitivity();
     },
 
     _updateNick: function() {
-        let nick = this._account ? this._account.normalized_name : '';
+        let nick = this._conn ? this._conn.self_contact.alias : '';
         this._nickEntry.placeholder_text = nick;
     },