public void Apply(ScrollViewer view, ClientImageModel model)
{
if (zoomFactor != null)
{
if (width != null && width != model.Width)
{
float ratio = (float)width / model.Width;
zoomFactor = Math.Abs(zoomFactor.Value * ratio);
}
view.ChangeView(horizontalOffset, verticalOffset, zoomFactor);
}
width = model.Width;
height = model.Height;
}
private async void btnDownload_Click(object sender, RoutedEventArgs e)
{
ShowMessage("Downloading image...");
await HandleErrorAsync(() => client.DownloadLatestAsync(quality), model =>
{
downloadModel = model;
imgBackground.Source = model.Image;
ClearMessage();
string date = model.Date.ToString("HH:mm:ss");
if (model.Date.Date != DateTime.Today)
{
date += model.Date.ToString(" dd.MM.yyyy");
}
ShowMessage(date);
});
}
protected override async Task ExecuteAsync(CancellationToken cancellationToken)
{
try
{
viewModel.IsDownloading = true;
ClientImageModel image = await client.DownloadLatestAsync(viewModel.Quality, cancellationToken);
Completed?.Invoke(image);
}
catch (ClientException)
{
Failed?.Invoke(FailType.ClientError);
}
catch (OperationCanceledException)
{
Failed?.Invoke(FailType.Cancelled);
}
finally
{
viewModel.IsDownloading = false;
}
}
