private async Task DownloadVersion(BLVersion v, VersionDownloader downloader, string dlPath, CancellationTokenSource cancelSource)
{
try
{
ViewModels.LauncherModel.Default.CurrentState = ViewModels.LauncherModel.StateChange.isInitializing;
await downloader.Download(v.DisplayName, v.UUID, 1, dlPath, (current, total) =>
{
if (ViewModels.LauncherModel.Default.CurrentState == ViewModels.LauncherModel.StateChange.isInitializing)
{
ViewModels.LauncherModel.Default.CurrentState = ViewModels.LauncherModel.StateChange.isDownloading;
System.Diagnostics.Debug.WriteLine("Actual download started");
if (total.HasValue) ViewModels.LauncherModel.Default.TotalProgress = total.Value;
}
ViewModels.LauncherModel.Default.CurrentProgress = current;
}, cancelSource.Token);
System.Diagnostics.Debug.WriteLine("Download complete");
ViewModels.LauncherModel.Default.CurrentState = ViewModels.LauncherModel.StateChange.None;
}
catch (TaskCanceledException e)
{
ViewModels.LauncherModel.Default.CurrentState = ViewModels.LauncherModel.StateChange.None;
throw e;
}
catch (Exception e)
{
ViewModels.LauncherModel.Default.CurrentState = ViewModels.LauncherModel.StateChange.None;
System.Diagnostics.Debug.WriteLine("Download failed:\n" + e.ToString());
ErrorScreenShow.errormsg("Error_AppDownloadFailed_Title", "Error_AppDownloadFailed", e);
throw e;
}
}
private async Task<bool> Download(BLVersion v, bool RunAfterwards)
{
System.Diagnostics.Debug.WriteLine("Download start");
bool wasCanceled = false;
cancelSource = new CancellationTokenSource();
ViewModels.LauncherModel.Default.ShowProgressBar = true;
ViewModels.LauncherModel.Default.AllowCancel = true;
ViewModels.LauncherModel.Default.CancelCommand = new RelayCommand((o) => Cancel());
try
{
string dlPath = "Minecraft-" + v.Name + ".Appx";
VersionDownloader downloader = LauncherModel.Default.VersionDownloader;
if (v.IsBeta) await BetaAuthenticate();
await DownloadVersion(v, downloader, dlPath, cancelSource);
await ExtractPackage(v, dlPath, cancelSource);
}
catch (TaskCanceledException)
{
wasCanceled = true;
}
catch (Exception ex)
{
ErrorScreenShow.exceptionmsg(ex);
wasCanceled = true;
}
if (!RunAfterwards || wasCanceled) ViewModels.LauncherModel.Default.ShowProgressBar = false;
ViewModels.LauncherModel.Default.CurrentState = ViewModels.LauncherModel.StateChange.None;
ViewModels.LauncherModel.Default.AllowCancel = false;
ViewModels.LauncherModel.Default.CancelCommand = null;
cancelSource = null;
v.UpdateInstallStatus();
return wasCanceled;
}
public ChannelController()
{
_versionDownloader = new VersionDownloader();
}
