private void OnSelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (e.AddedItems?.Count > 0)
{
var container = ScrollingHost.ContainerFromItem(e.AddedItems[0]) as SelectorItem;
var content = container?.ContentTemplateRoot as PremiumFeatureCell;
if (content != null)
{
content.PlayAnimation();
}
_protoService.Send(new ViewPremiumFeature(e.AddedItems[0] as PremiumFeature));
}
if (e.RemovedItems?.Count > 0)
{
var container = ScrollingHost.ContainerFromItem(e.RemovedItems[0]) as SelectorItem;
var content = container?.ContentTemplateRoot as PremiumFeatureCell;
if (content != null)
{
content.StopAnimation();
}
}
}
public void UpdateFile(Telegram.Td.Api.File file)
{
foreach (MessageSender sender in ScrollingHost.Items)
{
if (ViewModel.CacheService.TryGetUser(sender, out User user) && user.UpdateFile(file))
{
var container = ScrollingHost.ContainerFromItem(sender) as SelectorItem;
if (container == null)
{
return;
}
var content = container.ContentTemplateRoot as Grid;
var photo = content.Children[0] as ProfilePicture;
photo.Source = PlaceholderHelper.GetUser(null, user, 36);
}
else if (ViewModel.CacheService.TryGetChat(sender, out Chat chat) && chat.UpdateFile(file))
{
var container = ScrollingHost.ContainerFromItem(sender) as SelectorItem;
if (container == null)
{
return;
}
var content = container.ContentTemplateRoot as Grid;
var photo = content.Children[0] as ProfilePicture;
photo.Source = PlaceholderHelper.GetChat(null, chat, 36);
}
}
}
public void UpdateFile(Telegram.Td.Api.File file)
{
foreach (User user in ScrollingHost.Items)
{
if (user.UpdateFile(file))
{
var container = ScrollingHost.ContainerFromItem(user) as SelectorItem;
if (container == null)
{
return;
}
var content = container.ContentTemplateRoot as Grid;
var photo = content.Children[0] as ProfilePicture;
photo.Source = PlaceholderHelper.GetUser(null, user, 36);
}
}
}