public static async Task ShowAsync(this IAdvertisement self)
{
var promoter = self.Promoter;
var outputException = default(Exception);
var outputShowResult = default(ShowResult?);
promoter.ExceptionDetected += OnExceptionDetected;
self.Show(
() => outputShowResult = ShowResult.Complete,
() => outputShowResult = ShowResult.Skip,
() => outputShowResult = ShowResult.Failure);
while (!outputShowResult.HasValue)
{
await Task.Delay(MillisecondsDelay);
}
promoter.ExceptionDetected -= OnExceptionDetected;
switch (outputShowResult.Value)
{
case ShowResult.Complete:
break;
case ShowResult.Skip:
throw new SkipException();
case ShowResult.Failure:
throw outputException ?? new InvalidOperationException();
}
void OnExceptionDetected(Exception exception)
{
outputException = exception;
}
}
public void ShowAd(AdType adType)
{
advertisement.Show(adType);
}
