private async void OnContainerContentChanging(ListViewBase sender, ContainerContentChangingEventArgs args)
{
if (args.InRecycleQueue)
{
return;
}
var content = args.ItemContainer.ContentTemplateRoot as Grid;
var stickerSet = args.Item as StickerSetInfo;
var title = content.Children[1] as TextBlock;
title.Text = stickerSet.Title;
var subtitle = content.Children[2] as TextBlock;
subtitle.Text = Locale.Declension("Stickers", stickerSet.Size);
var file = stickerSet.GetThumbnail(out var outline, out _);
if (file == null)
{
return;
}
if (file.Local.IsDownloadingCompleted)
{
if (content.Children[0] is Image photo)
{
photo.Source = await PlaceholderHelper.GetWebPFrameAsync(file.Local.Path, 48);
ElementCompositionPreview.SetElementChildVisual(content.Children[0], null);
}
else if (args.Phase == 0 && content.Children[0] is LottieView lottie)
{
lottie.Source = UriEx.ToLocal(file.Local.Path);
}
}
else if (file.Local.CanBeDownloaded && !file.Local.IsDownloadingActive)
{
if (content.Children[0] is Image photo)
{
photo.Source = null;
}
else if (args.Phase == 0 && content.Children[0] is LottieView lottie)
{
lottie.Source = null;
}
CompositionPathParser.ParseThumbnail(outline, out ShapeVisual visual, false);
ElementCompositionPreview.SetElementChildVisual(content.Children[0], visual);
_filesMap[file.Id].Add(stickerSet);
ViewModel.ProtoService.DownloadFile(file.Id, 1);
}
args.Handled = true;
}
private void UpdateThumbnail(MessageViewModel message, Sticker sticker)
{
_thumbnailShimmer = CompositionPathParser.ParseThumbnail(sticker, out ShapeVisual visual);
ElementCompositionPreview.SetElementChildVisual(Player, visual);
}
private void UpdateThumbnail(MessageViewModel message, IList <ClosedVectorPath> contours)
{
_thumbnailShimmer = CompositionPathParser.ParseThumbnail(contours, out ShapeVisual visual);
ElementCompositionPreview.SetElementChildVisual(Player, visual);
}
private async void OnContainerContentChanging(ListViewBase sender, ContainerContentChangingEventArgs args)
{
if (args.InRecycleQueue)
{
return;
}
var content = args.ItemContainer.ContentTemplateRoot as Grid;
var stickerSet = args.Item as StickerSetInfo;
var title = content.Children[1] as TextBlock;
title.Text = stickerSet.Title;
var subtitle = content.Children[2] as TextBlock;
subtitle.Text = Locale.Declension("Stickers", stickerSet.Size);
var cover = stickerSet.GetThumbnail();
if (cover == null)
{
return;
}
var file = cover.StickerValue;
if (file.Local.IsFileExisting())
{
if (content.Children[0] is Image photo)
{
photo.Source = await PlaceholderHelper.GetWebPFrameAsync(file.Local.Path, 48);
ElementCompositionPreview.SetElementChildVisual(content.Children[0], null);
}
else if (args.Phase == 0 && content.Children[0] is LottieView lottie)
{
lottie.Source = UriEx.ToLocal(file.Local.Path);
}
else if (args.Phase == 0 && content.Children[0] is AnimationView animation)
{
animation.Source = new LocalVideoSource(file);
}
}
else
{
if (content.Children[0] is Image photo)
{
photo.Source = null;
}
else if (args.Phase == 0 && content.Children[0] is LottieView lottie)
{
lottie.Source = null;
}
else if (args.Phase == 0 && content.Children[0] is AnimationView animation)
{
animation.Source = null;
}
CompositionPathParser.ParseThumbnail(cover, out ShapeVisual visual, false);
ElementCompositionPreview.SetElementChildVisual(content.Children[0], visual);
UpdateManager.Subscribe(content, ViewModel.ProtoService, file, UpdateFile, true);
if (file.Local.CanBeDownloaded && !file.Local.IsDownloadingActive)
{
ViewModel.ProtoService.DownloadFile(file.Id, 1);
}
}
args.Handled = true;
}
