private async void RunWinUpdatesPage_Loaded(object sender, RoutedEventArgs e)
{
Log.Debug("RunWinUpdatesPage", $"Win Update Page Loaded; After reboot? : {resumeInstall}");
Loaded -= RunWinUpdatesPage_Loaded;
if (resumeInstall)
{
await ResumeAfterRestart().ConfigureAwait(false);
}
else
{
ResetProgress();
StartInfiniteProgress("preparing...");
var prepared = await Prepare().ConfigureAwait(false);
if (aborted || !prepared)
{
ResetProgress();
SetParagraphLook(checkParagrath, TextLook.Skipped);
SetParagraphLook(downloadParagrath, TextLook.Skipped);
SetParagraphLook(installParagrath, TextLook.Skipped);
FinishAndProceed();
return;
}
//start with checking for updates right away
winUpdateManager = new WinUpdatesManager();
//winUpdateManager = new DummyWinUpdateManager();
winUpdateManager.CheckCompleted += WinUpdateManager_CheckCompleted;
winUpdateManager.ProgressChanged += WinUpdateManager_ProgressChanged;
//checking reports no progress so indeterminate
StartInfiniteProgress("");
SetParagraphLook(checkParagrath, TextLook.Processing);
winUpdateManager.CheckForUpdates();
}
}
async Task Cleanup()
{
//unregister all events
//todo is this really necessary: considering that
//this reference lives here in the Page only
if (winUpdateManager != null)
{
winUpdateManager.CheckCompleted -= WinUpdateManager_CheckCompleted;
winUpdateManager.DownloadCompleted -= WinUpdateManager_DownloadCompleted;
winUpdateManager.InstallationCompleted -= WinUpdateManager_InstallationCompleted;
winUpdateManager.ProgressChanged -= WinUpdateManager_ProgressChanged;
//in case there is still somehting going on at the moment
//todo can this cause problems?
//winUpdateManager.AbortAll();
winUpdateManager.CleanUp();
winUpdateManager = null;
}
await WinServiceUtils.StopServiceAsync(WinUpdatesManager.WUA_SERVICE_NAME, 60000).ConfigureAwait(false);
WinServiceUtils.TrySetStartupType(WinUpdatesManager.WUA_SERVICE_NAME, false);
}
