// its OK to be null
public static FileLocation GetPreviewFileLocation(PhotoConstructor photo)
{
List <PhotoSize> photoSizes = photo.sizes;
FileLocation desiredSize = null;
foreach (var photoSize in photoSizes)
{
if (photoSize.Constructor != Constructor.photoSize)
{
continue;
}
PhotoSizeConstructor photoSizeConstructor = (PhotoSizeConstructor)photoSize;
if (photoSizeConstructor.type == "s")
{
desiredSize = photoSizeConstructor.location;
}
else if (photoSizeConstructor.type == "m")
{
desiredSize = photoSizeConstructor.location;
break;
}
}
return(desiredSize);
}
public PinchAndZoom()
{
InitializeComponent();
media = MediaTransitionHelper.Instance.Media;
if (media.Constructor == Constructor.messageMediaPhoto)
{
ImageViewportElement.Visibility = Visibility.Visible;
PlaybackControls.Visibility = Visibility.Collapsed;
MessageMediaPhotoConstructor cons = (MessageMediaPhotoConstructor)media;
if (cons.photo.Constructor == Constructor.photoEmpty)
{
}
else if (cons.photo.Constructor == Constructor.photo)
{
PhotoConstructor photoConstructor = (PhotoConstructor)cons.photo;
author = TelegramSession.Instance.GetUser(photoConstructor.user_id);
MetaInfoAuthor.Text = author.FullName;
MetaInfoDate.Text = Formatters.FormatDialogDateTimestampUnix(photoConstructor.date);
}
DoLoadPhoto();
return;
}
else if (media.Constructor == Constructor.messageMediaVideo)
{
ImageViewportElement.Visibility = Visibility.Collapsed;
PlaybackControls.Visibility = Visibility.Visible;
VideoPlayerElement.Visibility = Visibility.Visible;
PlaybackButton.Visibility = Visibility.Visible;
MessageMediaVideoConstructor cons = (MessageMediaVideoConstructor)media;
if (cons.video.Constructor == Constructor.videoEmpty)
{
}
else if (cons.video.Constructor == Constructor.video)
{
VideoConstructor videoConstructor = (VideoConstructor)cons.video;
author = TelegramSession.Instance.GetUser(videoConstructor.user_id);
MetaInfoAuthor.Text = author.FullName;
MetaInfoDate.Text = Formatters.FormatDialogDateTimestampUnix(videoConstructor.date);
}
VideoPlayerElement.MediaEnded += delegate {
PlaybackButton.Visibility = Visibility.Visible;
};
}
else
{
return;
}
}
private void OnSaveClick(object sender, RoutedEventArgs e)
{
if (media.Constructor == Constructor.messageMediaPhoto)
{
WriteableBitmap wbm = new WriteableBitmap(_bitmap);
Photo photo = ((MessageMediaPhotoConstructor)media).photo;
if (photo.Constructor != Constructor.photo)
{
return;
}
PhotoConstructor photoCons = (PhotoConstructor)photo;
wbm.SaveToMediaLibrary(photoCons.caption == "" ? Helpers.GenerateRandomUlong().ToString("X") : photoCons.caption);
}
}
// its OK to be null
public static FileLocation GetPreviewFileLocation(PhotoConstructor photo) {
List<PhotoSize> photoSizes = photo.sizes;
FileLocation desiredSize = null;
foreach (var photoSize in photoSizes) {
if (photoSize.Constructor != Constructor.photoSize)
continue;
PhotoSizeConstructor photoSizeConstructor = (PhotoSizeConstructor) photoSize;
if (photoSizeConstructor.type == "s") {
desiredSize = photoSizeConstructor.location;
} else if (photoSizeConstructor.type == "m") {
desiredSize = photoSizeConstructor.location;
break;
}
}
return desiredSize;
}
TgMedia MapInternal(PhotoConstructor photo)
{
var biggestPhoto = photo.sizes?.OfType <PhotoSizeConstructor>()
.MaxBy <PhotoSizeConstructor, long>(photoSize => photoSize.h * photoSize.w);
var location = biggestPhoto?.location as FileLocationConstructor;
if (location != null)
{
return new TgMedia
{
Id = photo.id,
Location = MapLocation(location)
}
}
;
return(MapCachedPhoto(photo));
}
static TgMedia MapCachedPhoto(PhotoConstructor photo)
{
var cachedPhoto = photo.sizes?.OfType <PhotoCachedSizeConstructor>().FirstOrDefault();
if (cachedPhoto?.bytes == null || !cachedPhoto.bytes.Any())
{
return(null);
}
//var type = cachedPhoto.type;
var path = $"{photo.id}.jpg";
File.WriteAllBytes(path, cachedPhoto.bytes);
return(new TgMedia
{
Id = photo.id,
Location = MapLocation(cachedPhoto.location as FileLocationConstructor),
Path = path
});
}
