private bool CompareVersions(MUpdateXml update, bool notificateNoUpdates = true)
{
if (update != null && update.IsNewerThan(applicationInfo.ApplicationAssembly.GetName().Version)) // If the update is not null and the version is newer than the current one
{
if (new MUpdateAcceptForm(this.applicationInfo, update).ShowDialog(this.applicationInfo.Context) == DialogResult.Yes) // If user accepts to do the update now
{
DownloadUpdate(update); // Download update
}
CheckedAlreadyUpToDate = false;
return(true);
}
else if (update != null && update.Version <= applicationInfo.ApplicationAssembly.GetName().Version)
{
if (notificateNoUpdates)
{
MessageBox.Show(lang.latestVersionInstalledLbl + " " + applicationInfo.ApplicationAssembly.GetName().Version.ToString(),
applicationInfo.ApplicationName + " - " + lang.updateChecking,
MessageBoxButtons.OK, MessageBoxIcon.Information);
}
CheckedAlreadyUpToDate = true;
}
else
{
CheckedAlreadyUpToDate = false;
}
return(false);
}
/// <summary>
/// <para>Launch the update process and wait for answer.</para>
/// <para>Better wrap this function in a Try-Catch block or it may fail the calling application (e.g. internet connection problems).</para>
/// <para>Returns True if updated successfully, False if no updates are available; throws Exception if error (e.g. no internet connection).<br/>
/// If user already have last version installed, returns false because no updates were made. Use CheckedAlreadyUpToDate property.</para>
/// </summary>
/// <param name="notificateNoUpdates">If false, do not show message box saying 'You already have the latest version'.</param>
/// <returns>True if updated successfully, False if not updated, Exception if error (e.g. no internet connection)</returns>
public bool DoUpdateSync(bool notificateNoUpdates = true)
{
if (!Tools.CheckForInternetConnection())
{
throw new WebException(lang.noInternetConnectionError, WebExceptionStatus.ConnectFailure);
}
if (MUpdateXml.ExistsOnServer(applicationInfo.UpdateXmlLocation)) // Si le fichier de mise à jour existe
{
return(CompareVersions(MUpdateXml.Parse(applicationInfo.UpdateXmlLocation, applicationInfo.ApplicationID),
notificateNoUpdates)); // Retourne si une nouvelle mise à jour est disponible et demande à l'utilisateur ce qu'il souhaite faire.
}
return(false);
}
/// <summary>
/// Parses data from update.xml located on the specified Uri
/// </summary>
private void bgWorker_DoWork(object sender, DoWorkEventArgs e)
{
if (!Tools.CheckForInternetConnection())
{
throw new WebException(lang.noInternetConnectionError, WebExceptionStatus.ConnectFailure);
}
IMUpdatable application = (IMUpdatable)e.Argument;
if (!MUpdateXml.ExistsOnServer(application.UpdateXmlLocation))
{
e.Cancel = true;
}
else
{
e.Result = MUpdateXml.Parse(application.UpdateXmlLocation, application.ApplicationID);
}
}
public MUpdateAcceptForm(IMUpdatable applicationInfo, MUpdateXml updateInfo)
{
InitializeComponent();
this.applicationInfo = applicationInfo;
this.updateInfo = updateInfo;
this.Text = lang.updateAvailable;
this.lblAppName.Text = this.applicationInfo.ApplicationName;
if (this.applicationInfo.ApplicationIcon != null)
{
this.Icon = this.applicationInfo.ApplicationIcon;
}
this.lblUpdateAvailTitle.Text = lang.updateAvailable + ": " + this.updateInfo.Version.ToString();
//this.lblUpdaVers.Text = string.Format(lang.updateVersion + ": {0}", this.updateInfo.Version.ToString());
//this.lblCurrVers.Text = string.Format(lang.currentVersion + ": {0}", this.applicationInfo.ApplicationAssembly.GetName().Version.ToString());
this.txtDetails.Text = makeNewLines(this.updateInfo.Description);
}
/// <summary>
/// When bgWorker finished parsing dats from update.xml
/// </summary>
private void bgWorker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
if (!e.Cancelled && e.Error == null) // If no errors were reported
{
MUpdateXml update = (MUpdateXml)e.Result; // Gets the result sent as argument
bool updated = CompareVersions(update, false); // Compare and finish
MUpdateEventBridge.RaiseAsyncUpdateFinished(updated, (!updated && CheckedAlreadyUpToDate) ? new Exception(lang.latestVersionInstalled) : null);
}
else // If an error was reported
{
if (e.Error == null)
{
MUpdateEventBridge.RaiseAsyncUpdateFinished(false, new Exception(lang.checkError));
}
else
{
MUpdateEventBridge.RaiseAsyncUpdateFinished(false, e.Error);
}
}
}
private void DownloadUpdate(MUpdateXml update)
{
MUpdateDownloadForm form = new MUpdateDownloadForm(update.Uri, update.MD5, this.applicationInfo.ApplicationIcon, this.applicationInfo.ApplicationName); // Initialze a new Download form
DialogResult res = form.ShowDialog(this.applicationInfo.Context); //Show it by getting the dialog result
if (res == DialogResult.OK)
{
string currentPath = this.applicationInfo.ApplicationAssembly.Location; // Get current path
string newPath = Path.GetDirectoryName(currentPath) + "\\" + update.FileName;
if (!update.IsInstaller)
{
UpdateStandalone(form.TempFilePath, currentPath, newPath, update.LaunchArgs); // Launch cmd
}
else
{
LaunchInstaller(form.TempFilePath, update.LaunchArgs);
}
Application.Exit();
}
else if (res == DialogResult.Abort)
{
MessageBox.Show(lang.downloadCancelled,
lang.downloadCancelledTitle,
MessageBoxButtons.OK,
MessageBoxIcon.Exclamation);
}
else
{
MessageBox.Show(lang.downloadError,
lang.downloadErrorTitle,
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}
