public void OnUpdateDownloadProgressChanged(Update update, FileDownloadProgress progress)
{
_menuItem.Text =
string.Format(
"Downloading Update: {0:P}...",
progress.PercentComplete / 100.0);
}
public void OnBeforeDownloadUpdate(Update update)
{
_menuItem.Text = string.Format("Downloading Version {0}...", update.Version);
_menuItem.Enabled = false;
_updateMenu.Visible = false;
}
public void OnBeforeInstallUpdate(Update update)
{
_menuItem.Text = string.Format("Installing Version {0}...", update.Version);
_menuItem.Enabled = false;
if (BeforeInstallUpdate != null)
BeforeInstallUpdate(update);
}
public void OnUpdateReadyToDownload(Update update)
{
_menuItem.Text = string.Format("Download Version {0}", update.Version);
_menuItem.Enabled = true;
_updateMenu.Visible = true;
_downloadItem.Text = string.Format("Download v{0}...", update.Version);
_downloadItem.Image = DefaultWebBrowser.Instance.GetIconAsBitmap(16) ?? Resources.network;
}
/// <exception cref="IOException">
/// Thrown if a network error occurs or the SHA-1 hash of the downloaded file
/// does not match the expected value in the update manifest.
/// </exception>
private void DownloadUpdateSync(Update update)
{
_cancellationTokenSource = new CancellationTokenSource();
var path = Path.Combine(Path.GetTempPath(), update.FileName);
var downloader = new FileDownloader
{
Uri = update.Uri,
Path = path,
CancellationToken = _cancellationTokenSource.Token
};
downloader.BeforeRequest += NotifyBeforeRequest;
downloader.ProgressChanged += DownloaderOnProgressChanged;
downloader.DownloadSync();
if (downloader.State != FileDownloadState.Success)
return;
var hash = new SHA1Algorithm().ComputeFile(path);
if (!String.Equals(hash, update.SHA1, StringComparison.OrdinalIgnoreCase))
{
_logger.ErrorFormat(
"Unable to verify integrity of \"{0}\" via SHA-1 hash: expected {1}, but found {2}",
path, update.SHA1, hash);
throw new IOException("Update file is corrupt or has been tampered with; SHA-1 hash is incorrect");
}
_latestInstallerPath = path;
}
private void GetLatestVersionSync()
{
CheckState();
try
{
_state = UpdaterClientState.Checking;
HttpRequest.BeforeRequestGlobal += NotifyBeforeRequest;
var json = HttpRequest.Get("http://update.bdhero.org/update.json");
var response = JsonConvert.DeserializeObject<UpdateResponse>(json);
_latestUpdate = FromResponse(response);
_state = UpdaterClientState.Ready;
_hasChecked = true;
}
catch (Exception e)
{
_state = UpdaterClientState.Error;
_logger.Error("Error occurred while checking for application update", e);
throw;
}
finally
{
HttpRequest.BeforeRequestGlobal -= NotifyBeforeRequest;
}
}
public bool ShouldInstallUpdate(Update update)
{
const string caption = "Application restart required";
var text =
string.Format(
"To install the update, you must first close the application.\n\nClose {0} and install update?",
AppUtils.ProductName);
return DialogResult.Yes ==
MessageBox.Show(_form, text, caption, MessageBoxButtons.YesNo, MessageBoxIcon.Question);
}
public void OnUpdateReadyToInstall(Update update)
{
_menuItem.Text = string.Format("Install Version {0}", update.Version);
_menuItem.Enabled = true;
}