private async Task DisplayImageAsync(ScreenshotID id)
{
this.StartLoading();
try
{
HttpClient client = App.HttpClientCache.GetClient();
this.WriteStatusNormal($"Downloading image {id}...");
this._currentScreenshot = await client.DownloadScreenshotAsync(id);
using (MemoryStream stream = new MemoryStream(this._currentScreenshot.Data))
{
BitmapImage image = new BitmapImage();
image.BeginInit();
image.CreateOptions = BitmapCreateOptions.PreservePixelFormat;
image.CacheOption = BitmapCacheOption.OnLoad;
image.UriSource = null;
image.StreamSource = stream;
image.EndInit();
image.Freeze();
ImageBox.Source = image;
}
this.ScreenshotIdBox.Text = this._currentScreenshot.ID.ToString();
this.WriteStatusNormal("Done.");
}
catch
{
this.WriteStatusError($"Failed loading image {id}.");
}
finally
{
this.StopLoading();
}
}
private bool ValidateScreenshotIdInput()
{
bool isValid = ScreenshotID.Validate(this.ScreenshotIdBox.Text);
this.ScreenshotIdBox.BorderBrush = isValid ? _normalScreenshotIdBoxBorderBrush : App.ErrorBrush;
this.GoToIdButton.IsEnabled = isValid;
this.GoToIdButton.Foreground = isValid ? App.DefaultForegroundBrush : App.ErrorBrush;
this.ScreenshotInvalidWarning.Visibility = isValid ? Visibility.Collapsed : Visibility.Visible;
return(isValid);
}
private async void GoToIdButton_Click(object sender, RoutedEventArgs e)
{
if (!ScreenshotID.Validate(ScreenshotIdBox.Text))
{
this.WriteStatusError("Incorrect Screenshot ID.", true);
}
else
{
await DisplayImageAsync(new ScreenshotID(ScreenshotIdBox.Text));
}
}
