public override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
RetainInstance = true;
_movieDownloaders = new List<GenericDownloader<List<Movie>>>();
_trakkedMoviesDownloaders = new List<GenericDownloader<List<string>>>();
_callbacks = (GenericTaskFragmentCallbacks<List<Movie>>) Activity;
}
public async Task<bool> StartMovieDownloaderByUrl(string url, GenericTaskFragmentCallbacks<List<Movie>> callbacks)
{
var selectedDownloader = _movieDownloaders.SingleOrDefault(s => s.Url.Equals(url));
if (selectedDownloader == null)
{
return false;
}
if (!selectedDownloader.IsRunning)
{
selectedDownloader.IsRunning = true;
try
{
callbacks.OnPostExecute(selectedDownloader.TAG, await selectedDownloader.Task);
}
catch (System.OperationCanceledException)
{
callbacks.OnCancelled(selectedDownloader.TAG);
}
catch (Exception e)
{
callbacks.OnFailed(selectedDownloader.TAG);
}
finally
{
selectedDownloader.CancellationTokenSource = null;
selectedDownloader.IsRunning = false;
_movieDownloaders.Remove(_movieDownloaders.SingleOrDefault(s => s.Url.Equals(url)));
}
return true;
}
return false;
}
public override void OnResume()
{
base.OnResume();
_callbacks = (GenericTaskFragmentCallbacks<List<Movie>>) Activity;
}
