[gnome-shell] TelepathyClient: disconnect signals from destroyed ChatSources

[Giovanni Campagna <gcampagna src gnome org>]

commit ccfc9f3ab06e33c5f25c0765f646143a33908f1b
Author: Giovanni Campagna <gcampagna src gnome org>
Date:   Mon Jan 20 23:21:14 2014 +0100

    TelepathyClient: disconnect signals from destroyed ChatSources
    
    Otherwise they keep firing if the source is destroyed by the user
    and they trigger Clutter warnings from touching invalid actors.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=722660

 js/ui/components/telepathyClient.js |   15 +++++++++++++--
 1 files changed, 13 insertions(+), 2 deletions(-)
---
diff --git a/js/ui/components/telepathyClient.js b/js/ui/components/telepathyClient.js
index e69c2a1..144d369 100644
--- a/js/ui/components/telepathyClient.js
+++ b/js/ui/components/telepathyClient.js
@@ -621,7 +621,11 @@ const ChatSource = new Lang.Class({
             this.notify();
     },
 
-    _channelClosed: function() {
+    destroy: function(reason) {
+        if (this._destroyed)
+            return;
+
+        this._destroyed = true;
         this._channel.disconnect(this._closedId);
         this._channel.disconnect(this._receivedId);
         this._channel.disconnect(this._pendingId);
@@ -631,7 +635,14 @@ const ChatSource = new Lang.Class({
         this._contact.disconnect(this._notifyAvatarId);
         this._contact.disconnect(this._presenceChangedId);
 
-        this.destroy();
+        if (this._timestampTimeoutId)
+            Mainloop.source_remove(this._timestampTimeoutId);
+
+        this.parent(reason);
+    },
+
+    _channelClosed: function() {
+        this.destroy(MessageTray.NotificationDestroyedReason.SOURCE_CLOSED);
     },
 
     /* All messages are new messages for Telepathy sources */