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);
}
}
}
public void DownloadFile(MessageViewModel message, Telegram.Td.Api.File file)
{
}
public void UpdateFile(Telegram.Td.Api.File file)
{
var viewModel = ViewModel;
if (viewModel == null)
{
return;
}
if (viewModel.Media != null && viewModel.Media.TryGetMessagesForFileId(file.Id, out IList <Message> messages))
{
foreach (var message in messages)
{
message.UpdateFile(file);
var container = ScrollingMedia.ContainerFromItem(message) as GridViewItem;
if (container == null)
{
continue;
}
var content = container.ContentTemplateRoot as SimpleHyperlinkButton;
if (content == null)
{
continue;
}
if (message.Content is MessagePhoto photo)
{
var small = photo.Photo.GetSmall();
if (small != null && small.Photo.Id == file.Id && file.Local.IsDownloadingCompleted)
{
var thumbnail = content.Content as Image;
thumbnail.Source = PlaceholderHelper.GetBitmap(ViewModel.ProtoService, small.Photo, 0, 0);
}
}
else if (message.Content is MessageVideo video)
{
var thumb = video.Video.Thumbnail;
if (thumb != null && thumb.Photo.Id == file.Id && file.Local.IsDownloadingCompleted)
{
var grid = content.Content as Grid;
var thumbnail = grid.Children[0] as Image;
thumbnail.Source = PlaceholderHelper.GetBitmap(ViewModel.ProtoService, thumb.Photo, 0, 0);
}
}
}
if (file.Local.IsDownloadingCompleted && file.Remote.IsUploadingCompleted)
{
messages.Clear();
}
}
if (viewModel.Files != null && viewModel.Files.TryGetMessagesForFileId(file.Id, out messages))
{
foreach (var message in messages)
{
message.UpdateFile(file);
var container = ScrollingFiles.ContainerFromItem(message) as ListViewItem;
if (container == null)
{
continue;
}
var document = message.GetFile();
var content = container.ContentTemplateRoot as SharedFileCell;
if (document == null || content == null)
{
continue;
}
if (file.Id == document.Id)
{
content.UpdateFile(message, file);
}
}
}
if (viewModel.Music != null && viewModel.Music.TryGetMessagesForFileId(file.Id, out messages))
{
foreach (var message in messages)
{
message.UpdateFile(file);
var container = ScrollingMusic.ContainerFromItem(message) as ListViewItem;
if (container == null)
{
continue;
}
var document = message.GetFile();
var content = container.ContentTemplateRoot as SharedFileCell;
if (document == null || content == null)
{
continue;
}
if (file.Id == document.Id)
{
content.UpdateFile(message, file);
}
}
}
if (viewModel.Voice != null && viewModel.Voice.TryGetMessagesForFileId(file.Id, out messages))
{
foreach (var message in messages)
{
message.UpdateFile(file);
var container = ScrollingVoice.ContainerFromItem(message) as ListViewItem;
if (container == null)
{
continue;
}
var document = message.GetFile();
var content = container.ContentTemplateRoot as SharedFileCell;
if (document == null || content == null)
{
continue;
}
if (file.Id == document.Id)
{
content.UpdateFile(message, file);
}
}
}
}