[banshee] Set as active source in an idle callback

[Rodney Dawes <dobey src gnome org>]

commit faaecad57861d8209bdc9d2610ba6f176e80fccf
Author: Rodney Dawes <rodney dawes canonical com>
Date:   Mon Nov 21 15:33:48 2011 -0500

    Set as active source in an idle callback
    
    Fixes https://bugzilla.gnome.org/show_bug.cgi?id=662883

 .../UbuntuOneMusicStoreSource.cs                   |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/Extensions/Banshee.UbuntuOneMusicStore/Banshee.UbuntuOneMusicStore/UbuntuOneMusicStoreSource.cs b/src/Extensions/Banshee.UbuntuOneMusicStore/Banshee.UbuntuOneMusicStore/UbuntuOneMusicStoreSource.cs
index b3e332c..8b06017 100644
--- a/src/Extensions/Banshee.UbuntuOneMusicStore/Banshee.UbuntuOneMusicStore/UbuntuOneMusicStoreSource.cs
+++ b/src/Extensions/Banshee.UbuntuOneMusicStore/Banshee.UbuntuOneMusicStore/UbuntuOneMusicStoreSource.cs
@@ -103,7 +103,8 @@ namespace Banshee.UbuntuOneMusicStore
             if (IsU1msUri (uri)) {
                 string http_url = uri.Replace ("u1ms://", "http://";);
                 custom_view.Store.LoadStoreLink (http_url);
-                ServiceManager.SourceManager.SetActiveSource (this);
+                GLib.Idle.Add (delegate { ServiceManager.SourceManager.SetActiveSource (this); return false; });
+                    
             }
         }