Banshee.Sources.PrimarySource.AcceptsInputFromSource C# (CSharp) Method

        public override bool AcceptsInputFromSource (Source source)
        {
            return base.AcceptsInputFromSource (source) && source.Parent != this
                && (source.Parent is PrimarySource || source is PrimarySource)
                && !(source.Parent is Banshee.Library.LibrarySource);
        }