public BitmapImage this[TLChannel channel]
{
get
{
if (channel == null)
{
return(null);
}
var key = (object)channel.Photo;
if (key == null)
{
key = channel.Title;
}
if (_context.TryGetValue(key, out Tuple <TLBitmapSource, WeakReference <BitmapImage> > reference) &&
reference.Item2.TryGetTarget(out BitmapImage target))
{
return(target);
}
var bitmap = new TLBitmapSource(channel);
_context[key] = new Tuple <TLBitmapSource, WeakReference <BitmapImage> >(bitmap, new WeakReference <BitmapImage>(bitmap.Image));
return(bitmap.Image);
}
}
public BitmapImage this[TLPhoto photo, bool thumbnail = true]
{
get
{
if (photo == null)
{
return(null);
}
if (_context.TryGetValue(photo, out Tuple <TLBitmapSource, WeakReference <BitmapImage> > reference) &&
reference.Item2.TryGetTarget(out BitmapImage target))
{
if (thumbnail == false)
{
reference.Item1.Download();
}
return(target);
}
var bitmap = new TLBitmapSource(photo);
_context[photo] = new Tuple <TLBitmapSource, WeakReference <BitmapImage> >(bitmap, new WeakReference <BitmapImage>(bitmap.Image));
if (thumbnail == false)
{
bitmap.Download();
}
return(bitmap.Image);
}
}
public BitmapImage this[TLUser user]
{
get
{
if (user == null)
{
return(null);
}
var key = (object)user.Photo;
if (key == null)
{
key = user.FullName;
}
if (_context.TryGetValue(key, out Tuple <TLBitmapSource, WeakReference <BitmapImage> > reference) &&
reference.Item2.TryGetTarget(out BitmapImage target))
{
return(target);
}
var bitmap = new TLBitmapSource(user);
_context[key] = new Tuple <TLBitmapSource, WeakReference <BitmapImage> >(bitmap, new WeakReference <BitmapImage>(bitmap.Image));
return(bitmap.Image);
}
}
public ImageSource this[TLDocument document, bool?thumbnail]
{
get
{
if (document == null)
{
return(null);
}
var key = (object)document;
if (thumbnail == true)
{
key = document.Id + "_thumbnail";
}
if (_context.TryGetValue(key, out Tuple <TLBitmapSource, WeakReference <ImageSource> > reference) &&
reference.Item2.TryGetTarget(out ImageSource target))
{
if (thumbnail == null)
{
reference.Item1.Download();
}
return(target);
}
var bitmap = new TLBitmapSource(document, thumbnail == true);
_context[key] = new Tuple <TLBitmapSource, WeakReference <ImageSource> >(bitmap, new WeakReference <ImageSource>(bitmap.Image));
if (thumbnail == null)
{
bitmap.Download();
}
return(bitmap.Image);
//var context = _context;
//if (thumbnail)
//{
// context = _contextThumb;
//}
//if (context.TryGetValue(document, out Tuple<TLBitmapSource, WeakReference<ImageSource>> reference) &&
// reference.Item2.TryGetTarget(out ImageSource target))
//{
// return target;
//}
//var bitmap = new TLBitmapSource(document, thumbnail);
//context[document] = new Tuple<TLBitmapSource, WeakReference<ImageSource>>(bitmap, new WeakReference<ImageSource>(bitmap.Image));
//return bitmap.Image;
}
}
public BitmapImage this[TLDocument document, bool thumbnail]
{
get
{
if (document == null)
{
return(null);
}
if (_context.TryGetValue(document, out Tuple <TLBitmapSource, WeakReference <BitmapImage> > reference) &&
reference.Item2.TryGetTarget(out BitmapImage target))
{
if (!thumbnail)
{
reference.Item1.Download();
}
return(target);
}
var bitmap = new TLBitmapSource(document, thumbnail);
_context[document] = new Tuple <TLBitmapSource, WeakReference <BitmapImage> >(bitmap, new WeakReference <BitmapImage>(bitmap.Image));
return(bitmap.Image);
//var context = _context;
//if (thumbnail)
//{
// context = _contextThumb;
//}
//if (context.TryGetValue(document, out Tuple<TLBitmapSource, WeakReference<BitmapImage>> reference) &&
// reference.Item2.TryGetTarget(out BitmapImage target))
//{
// return target;
//}
//var bitmap = new TLBitmapSource(document, thumbnail);
//context[document] = new Tuple<TLBitmapSource, WeakReference<BitmapImage>>(bitmap, new WeakReference<BitmapImage>(bitmap.Image));
//return bitmap.Image;
}
}
public BitmapImage this[TLWebDocument document]
{
get
{
if (document == null)
{
return(null);
}
if (_context.TryGetValue(document, out Tuple <TLBitmapSource, WeakReference <BitmapImage> > reference) &&
reference.Item2.TryGetTarget(out BitmapImage target))
{
return(target);
}
var bitmap = new TLBitmapSource(document);
_context[document] = new Tuple <TLBitmapSource, WeakReference <BitmapImage> >(bitmap, new WeakReference <BitmapImage>(bitmap.Image));
return(bitmap.Image);
}
}
public BitmapImage this[TLChatForbidden forbiddenChat]
{
get
{
if (forbiddenChat == null)
{
return(null);
}
if (_context.TryGetValue(forbiddenChat.Title, out Tuple <TLBitmapSource, WeakReference <BitmapImage> > reference) &&
reference.Item2.TryGetTarget(out BitmapImage target))
{
return(target);
}
var bitmap = new TLBitmapSource(forbiddenChat);
_context[forbiddenChat.Title] = new Tuple <TLBitmapSource, WeakReference <BitmapImage> >(bitmap, new WeakReference <BitmapImage>(bitmap.Image));
return(bitmap.Image);
}
}
public ImageSource this[TLChat chat]
{
get
{
if (chat == null)
{
return(null);
}
if (_context.TryGetValue(chat.Photo, out Tuple <TLBitmapSource, WeakReference <ImageSource> > reference) &&
reference.Item2.TryGetTarget(out ImageSource target))
{
return(target);
}
var bitmap = new TLBitmapSource(chat);
_context[chat.Photo] = new Tuple <TLBitmapSource, WeakReference <ImageSource> >(bitmap, new WeakReference <ImageSource>(bitmap.Image));
return(bitmap.Image);
}
}