/// <summary>
/// 時間のかかる処理を実行します。
/// </summary>
/// <param name="method">時間のかかる処理</param>
/// <param name="settings">設定情報</param>
public async Task ShowProgressAsync(Func <ProgressDialogController, Task> method, MetroDialogSettings settings = null)
{
var pdc = await DialogCoordinator.ShowProgressAsync(this, null, null, false, settings);
await method(pdc);
await pdc.CloseAsync();
}
protected async Task OnLoadingAsync(Func <CancellationToken, Task> func)
{
var dialog = await DialogCoordinator.ShowProgressAsync(DialogContext, LoadingTitle,
LoadingDescription).ConfigureAwait(false);
try
{
await func.Invoke(Ct).ConfigureAwait(false);
}
catch (Exception ex)
{
await ErrorAccrued(ex);
}
finally
{
await dialog.CloseAsync();
}
}
private async void CheckForUpdates()
{
await Task.Delay(3000);
while (!DialogCoordinatorRegistered)
{
await Task.Delay(25);
}
if (await _updateHandler.IsUpdateAvailable())
{
IsUpdating = true;
var result = await
DialogCoordinator.ShowMessageAsync(this, "Update available", $"An update is available.{Environment.NewLine}{Environment.NewLine}Current installed version: {_updateHandler.LocalVersion}.{Environment.NewLine}Available version: {_updateHandler.RemoteVersion}{Environment.NewLine}{Environment.NewLine}Do you want to install this update now?",
MessageDialogStyle.AffirmativeAndNegative);
if (result == MessageDialogResult.Affirmative)
{
_updateHandler.UpdateDownloadProgressChanged += (sender, args) =>
{
_progressController.SetProgress(args.ProgressPercentage / 100.0);
_progressController.SetMessage($"Downloading...{Environment.NewLine}Received: {args.MegabytesReceived} MB{Environment.NewLine}Total Size: {args.MegabytesToReceive} MB");
};
_updateHandler.UpdateDownloadCompleted += async(sender, args) =>
{
if (args.Aborted)
{
_progressController?.SetMessage("Failed to download update");
}
else
{
_progressController?.SetMessage("Completed!");
_progressController?.SetIndeterminate();
}
await Task.Delay(3000);
try
{
await _progressController?.CloseAsync();
}
catch (Exception)
{
// ignored
}
IsUpdating = false;
};
var task = _updateHandler.DownloadUpdate();
_progressController = await DialogCoordinator.ShowProgressAsync(this, "Downloading update", "", true);
_progressController.Canceled += (sender, args) =>
{
_progressController.CloseAsync();
_updateHandler.CancelDownload();
IsUpdating = false;
};
}
else
{
IsUpdating = false;
}
}
}