public object Convert(object value, System.Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
var status = value as TwitterStatus;
string imageLink = null;
if (status != null && status.Entities != null)
{
if (status.Entities.Media.Any())
{
imageLink = status.Entities.Media.First().MediaUrl;
}
else
{
foreach (var url in status.Entities.Urls)
{
if (parser.TryGetMediaUrl(url.ExpandedValue, out imageLink))
{
break;
}
}
}
}
Uri imageUri;
if (imageLink != null && Uri.TryCreate(imageLink, UriKind.Absolute, out imageUri))
{
return(new BitmapImage(imageUri));
}
else
{
return(null);
}
}
void SetImage()
{
if (Tweet.Entities == null)
{
return;
}
if (Tweet.Entities.Media != null && Tweet.Entities.Media.Any())
{
var photo = Tweet.Entities.Media.First();
Images.Add(photo.MediaUrl);
}
if (Tweet.Entities.Urls != null && Tweet.Entities.Urls.Any())
{
var parser = new MediaLinkParser();
foreach (var i in Tweet.Entities.Urls)
{
if (i.EntityType == TwitterEntityType.Url)
{
var url = i as TwitterUrl;
if (url != null && !string.IsNullOrWhiteSpace(url.ExpandedValue))
{
string photoUrl;
if (parser.TryGetMediaUrl(url.ExpandedValue, out photoUrl))
{
Images.Add(photoUrl);
}
}
}
}
}
if (Images.Count > 0)
{
HasImage = true;
IsLoading = true;
BarText = Localization.Resources.DownloadingImage;
}
}
