[banshee] Fixed the playing indicator (bgo#585798)

[Alexander Kojevnikov <alexk src gnome org>]

commit e8a49a61d14d68910f8cd897b7b609e9d061e166
Author: Alexander Kojevnikov <alexander kojevnikov com>
Date:   Sun Jun 28 10:34:34 2009 +1000

    Fixed the playing indicator (bgo#585798)
    
    When the playing song was included multiple times into a playlist, the
    indicator was shown next to each instance of the song.

 .../Banshee.MediaEngine/PlayerEngineService.cs     |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/Core/Banshee.Services/Banshee.MediaEngine/PlayerEngineService.cs b/src/Core/Banshee.Services/Banshee.MediaEngine/PlayerEngineService.cs
index ebd455e..967c1a8 100644
--- a/src/Core/Banshee.Services/Banshee.MediaEngine/PlayerEngineService.cs
+++ b/src/Core/Banshee.Services/Banshee.MediaEngine/PlayerEngineService.cs
@@ -113,7 +113,8 @@ namespace Banshee.MediaEngine
             MetadataService.Instance.HaveResult += OnMetadataServiceHaveResult;
             
             TrackInfo.IsPlayingMethod = track => IsPlaying (track) &&
-                ServiceManager.PlaybackController.Source == ServiceManager.SourceManager.ActiveSource;
+                track.CacheModelId == CurrentTrack.CacheModelId &&
+                track.CacheEntryId.Equals (CurrentTrack.CacheEntryId);
         }
 
         private void InitializeEngine (PlayerEngine engine)