private async void _RunUpdateChecker(bool background_check)
{
// Do update check, with or without a progress dialog
ProgressDialog progress = null;
if (!background_check)
{
progress = new ProgressDialog(this, " ");
progress.CounterFormat = "";
progress.Interval = 0;
progress.Events.Start(-1, Translate._("MainWindow.UpdateCheck.Progress.Title"), " ");
}
string changelog = null;
Task <string> check = Task.Run(() => {
string vers_url = string.Format("{0}?u={1}&v={2}",
Helpers.Unpack("yygpKSi20tc3STNKsUw008vPy8nMS9UtTi0qSy3SS87JL03RL8vxM0jzjAop8IhMTDL2MPDITc/QB0oXZ+bn6WbmpeXrVeTmAAA="),
Settings.USER_KEY, Settings.APPVERSION.Replace(" ", "_"));
UpdateChecker checker = new UpdateChecker(vers_url, progress != null? progress.Events : null, Logger.LOG);
string url = checker.Check(Settings.APPTITLE, Settings.APPVERSION, out changelog);
checker.Close();
checker = null;
return(url);
});
await check;
string dl_url = check.Result;
if (progress != null)
{
progress.Close();
}
progress = null;
if (string.IsNullOrEmpty(dl_url))
{
if (!background_check)
{
MessageBox.Show(Translate._("MainWindow.UpdateCheck.NoUpdateAvail"), Translate._("MainWindow.UpdateCheck.Title"));
}
return;
}
// Prompt user to continue installation
bool update = false;
if (string.IsNullOrEmpty(changelog))
{
var ret = MessageBox.Show(Translate._("MainWindow.UpdateCheck.NewVersionAvail"),
Translate._("MainWindow.UpdateCheck.Title"), MessageBoxButton.YesNo, MessageBoxImage.Question);
update = (ret == MessageBoxResult.Yes);
}
else
{
string[] buttons = new string[] { Translate._("Yes"), Translate._("No"),
Translate._("MainWindow.UpdateCheck.NewVersionAvail") };
update = ShowHtmlResDialog.Show(Translate._("MainWindow.UpdateCheck.Title"), changelog, buttons);
}
if (!update)
{
return;
}
// Download installer package, ...
string dest_file = Path.Combine(Settings.APPPATH, Path.GetFileName(dl_url));
using (Stream strm = File.Create(dest_file))
{
Downloader dl = new Downloader(dl_url, null, Logger.LOG);
if (!dl.Download(strm))
{
MessageBox.Show(Translate._("MainWindow.UpdateCheck.DownloadFailed"), Translate._("MainWindow.UpdateCheck.Title"));
return;
}
}
// ..., and start installer in silent mode (installer will wait until program has closed)
ProcessStartInfo info = new ProcessStartInfo()
{
FileName = dest_file,
Arguments = "/S",
WorkingDirectory = Settings.APPPATH,
UseShellExecute = false,
ErrorDialog = false,
};
Process process = Process.Start(info);
if (process == null || process.HasExited)
{
MessageBox.Show(Translate._("MainWindow.UpdateCheck.InstallFailed"), Translate._("MainWindow.UpdateCheck.Title"));
if (process != null)
{
process.Dispose();
}
return;
}
// End program and let installer do its job
Close();
}