public UpdateHelper(Updater updater, Version currentVersion)
{
_updater = updater;
_currentVersion = currentVersion;
_updatesButtonClickAction = CheckForUpdatesAsync;
}
public UpdateHelper(Updater updater, Version currentVersion)
{
_updater = updater;
_currentVersion = currentVersion;
_updatesButtonClickAction = CheckForUpdatesAsync;
}
private void CheckForUpdatesAsync()
{
// Prevent user from checking for updates while another check is already in progress
_updatesButtonClickAction = null;
var task =
new TaskBuilder()
.OnCurrentThread()
.BeforeStart(OnBeforeStart)
.DoWork(OnDoWork)
.Fail(OnFail)
.Succeed(OnSucceed)
.Build();
task.Start();
}
private void OnSucceed()
{
if (_updater.IsUpdateAvailable)
{
if (AllowDownload && AllowInstallUpdate)
{
_updatesButtonClickAction = InstallUpdateIfAvailable;
Logger.Info("Update is ready to install");
Notify(observer => observer.OnUpdateReadyToInstall(_updater.LatestUpdate));
}
else
{
_updatesButtonClickAction = LaunchBrowser;
Logger.Info("Update is available");
Notify(observer => observer.OnUpdateReadyToDownload(_updater.LatestUpdate));
}
}
else
{
_updatesButtonClickAction = CheckForUpdatesAsync;
Logger.Info(string.Format("Application is already up to date"));
Notify(observer => observer.OnNoUpdateAvailable());
}
}
private void CheckForUpdatesAsync()
{
// Prevent user from checking for updates while another check is already in progress
_updatesButtonClickAction = null;
var task =
new TaskBuilder()
.OnCurrentThread()
.BeforeStart(OnBeforeStart)
.DoWork(OnDoWork)
.Fail(OnFail)
.Succeed(OnSucceed)
.Build();
task.Start();
}
private void OnSucceed()
{
if (_updater.IsUpdateAvailable)
{
if (AllowDownload && AllowInstallUpdate)
{
_updatesButtonClickAction = InstallUpdateIfAvailable;
Logger.Info("Update is ready to install");
Notify(observer => observer.OnUpdateReadyToInstall(_updater.LatestUpdate));
}
else
{
_updatesButtonClickAction = LaunchBrowser;
Logger.Info("Update is available");
Notify(observer => observer.OnUpdateReadyToDownload(_updater.LatestUpdate));
}
}
else
{
_updatesButtonClickAction = CheckForUpdatesAsync;
Logger.Info(string.Format("Application is already up to date"));
Notify(observer => observer.OnNoUpdateAvailable());
}
}
private void OnFail(ExceptionEventArgs args)
{
_updatesButtonClickAction = CheckForUpdatesAsync;
Logger.Error("Error checking for update", args.Exception);
Notify(observer => observer.OnUpdateException(args.Exception));
}
private void OnFail(ExceptionEventArgs args)
{
_updatesButtonClickAction = CheckForUpdatesAsync;
Logger.Error("Error checking for update", args.Exception);
Notify(observer => observer.OnUpdateException(args.Exception));
}
