Build a Pandora clone with Silverlight 4

using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using System.Windows.Data;
using JudahHimango.Chavah.MessianicMusicService;

namespace JudahHimango.Chavah
{
    public class SongLikeToThumbUp : IValueConverter
    {
        #region IValueConverter Members

        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            if (value is SongLike)
            {
                return new Nullable<bool>(((SongLike)value) == SongLike.Like);
            }
            return new Nullable<bool>(false);
        }

        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            if (value is bool)
            {
                return ((bool)value) ? SongLike.Like : SongLike.Dislike;
            }
            return SongLike.None;
        }

        #endregion
    }

    public class SongLikeToThumbDown : IValueConverter
    {
        #region IValueConverter Members

        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            if (value is SongLike)
            {
                return new Nullable<bool>(((SongLike)value) == SongLike.Dislike);
            }
            return new Nullable<bool>(false);
        }

        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            if (value is bool)
            {
                return ((bool)value) ? SongLike.Dislike : SongLike.Like;
            }
            return SongLike.None;
        }

        #endregion
    }
}