Banshee.MediaEngine.PlayerEngineService.IInitializeService C# (CSharp) Метод

        void IInitializeService.Initialize ()
        {
            preferred_engine_id = EngineSchema.Get();

            if (default_engine == null && engines.Count > 0) {
                default_engine = engines[0];
            }

            foreach (TypeExtensionNode node in AddinManager.GetExtensionNodes ("/Banshee/MediaEngine/PlayerEngine")) {
                LoadEngine (node);
            }

            if (default_engine != null) {
                active_engine = default_engine;
                Log.Debug (Catalog.GetString ("Default player engine"), active_engine.Name);
            } else {
                default_engine = active_engine;
            }

            if (default_engine == null || active_engine == null || engines == null || engines.Count == 0) {
                Log.Warning (Catalog.GetString (
                    "No player engines were found. Please ensure Banshee has been cleanly installed."),
                    "Using the featureless NullPlayerEngine.");
                PlayerEngine null_engine = new NullPlayerEngine ();
                LoadEngine (null_engine);
                active_engine = null_engine;
                default_engine = null_engine;
            }

            MetadataService.Instance.HaveResult += OnMetadataServiceHaveResult;

            TrackInfo.IsPlayingMethod = track => IsPlaying (track) &&
                track.CacheModelId == CurrentTrack.CacheModelId &&
                (track.CacheEntryId == null || track.CacheEntryId.Equals (CurrentTrack.CacheEntryId));
        }