public CheckForUpdateCompleteEventArgs(Manifest manifest, string currentVersion, bool userInitiated, UpdateErrorEventArgs errorArgs)
{
this.manifest = manifest;
this.currentVersion = currentVersion;
this.userInitiated = userInitiated;
this.errorArgs = errorArgs;
}
public void LaunchUpdater(Manifest manifest, bool updateAvailable, UpdateErrorEventArgs args)
{
if (this.updater != null)
{
if (args != null)
{
this.updater_UpdateError(this.updater, args);
}
else if (updateAvailable)
{
this.NoButton.Visible = true;
this.YesButton.Visible = true;
this.progressBar1.Visible = false;
this.OKButton.Visible = false;
this.InfoLabel.Text = String.Format(Properties.Resources.Updater_UpdateAvailable, manifest.Version, this.updater.CurrentVersion);
}
else
{
this.NoButton.Visible = false;
this.YesButton.Visible = false;
this.progressBar1.Visible = false;
this.OKButton.Visible = true;
this.InfoLabel.Text = String.Format(Properties.Resources.Updater_GrowlIsUpToDate, this.updater.CurrentVersion, this.updater.CurrentVersion);
}
this.Show();
this.Activate();
}
}
void checker_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
{
if (!e.Cancelled)
{
CheckForUpdateCompleteEventArgs args = null;
bool userInitiated = (bool)e.UserState;
if (e.Error == null)
{
this.updatedManifest = Manifest.Parse(e.Result);
if (this.updatedManifest != null)
{
args = new CheckForUpdateCompleteEventArgs(this.updatedManifest, this.currentVersion, userInitiated, null);
this.updateAvailable = args.UpdateAvailable;
}
}
// this could be because e.Error != null or because the Manifest.Parse() failed
if(args == null)
{
UpdateErrorEventArgs errorArgs = new UpdateErrorEventArgs(e.Error, "Growl was unable to determine if a newer version is available. Please try again later.");
args = new CheckForUpdateCompleteEventArgs(null, this.currentVersion, userInitiated, errorArgs);
}
this.OnCheckForUpdateComplete(args);
}
}
public static Manifest Parse(string data)
{
Manifest manifest = null;
try
{
XmlDocument xml = new XmlDocument();
xml.LoadXml(data);
XmlElement root = xml.DocumentElement;
XmlElement versionNode = root["version"];
XmlElement requiredNode = root["required"];
XmlElement updateLocationNode = root["updateLocation"];
XmlElement installerLocationNode = root["installerLocation"];
string version = versionNode.InnerText;
bool required = Convert.ToBoolean(requiredNode.InnerText);
string updateLocation = updateLocationNode.InnerText;
string installerLocation = installerLocationNode.InnerText;
manifest = new Manifest(version, required, updateLocation, installerLocation);
}
catch
{
// this handles malformed xml (including times when html is returned instead, such as 404 or 500 errors)
}
return manifest;
}
