public async Task <IActionResult <TResult> > BusyTask <TResult>(BusyDialogOptions <TResult> options)
{
var controller = await _dialog.ShowProgressAsync(options.Context,
options.Title,
options.Message,
options.CancellationToken != default(CancellationToken),
options);
var progression = new Progress <Progression>(p =>
{
if (p.Message != null)
{
controller.SetMessage(p.Message);
}
if (p.Value == null)
{
controller.SetIndeterminate();
}
else
{
controller.SetProgress(p.Value.Value);
}
});
controller.SetIndeterminate();
IActionResult <TResult> ret;
try
{
ret = _arf.SuccessAction(await options.Task(progression, options.CancellationToken), options.Title);
}
catch (Exception e) when(e.IsCancellation())
{
await _dialog.ShowMessageAsync(options.Context, options.Title, "Cancelled");
ret = _arf.CancelAction <TResult>(options.Title);
}
catch (Exception e)
{
if (!(e is IDoNotLog))
{
options.Log?.ErrorException($"Error while processing {options.Title} in {options.Context.GetType().FullName}", e);
}
await _dialog.ShowMessageAsync(options.Context, $"Error while {options.Title}", e.Message);
ret = _arf.ErrorAction <TResult>(e, options.Title);
}
await controller.CloseAsync();
return(ret);
}
