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using System;
using System.Threading.Tasks;
#if WINDOWS_UWP
namespace Xamarin.Forms.Platform.UWP
#else
namespace Xamarin.Forms.Platform.WinRT
#endif
{
public class ImageConverter : Windows.UI.Xaml.Data.IValueConverter
{
public object Convert(object value, Type targetType, object parameter, string language)
{
var source = (ImageSource)value;
IImageSourceHandler handler;
if (source != null && (handler = Internals.Registrar.Registered.GetHandler<IImageSourceHandler>(source.GetType())) != null)
{
Task<Windows.UI.Xaml.Media.ImageSource> task = handler.LoadImageAsync(source);
return new AsyncValue<Windows.UI.Xaml.Media.ImageSource>(task, null);
}
return null;
}
public object ConvertBack(object value, Type targetType, object parameter, string language)
{
throw new NotSupportedException();
}
}
}
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