private static void OnReceiveComplete(IAsyncResult ar)
{
FeedAsyncResult result = ar as FeedAsyncResult;
FeedInputChannel channel = result.Channel;
Feed feed = channel.EndReceive(result);
if (FeedEngine.FeedReceived != null)
{
FeedEngine.FeedReceived(feed);
}
if (receivers.Count > 0)
{
FeedReceiver receiver = receivers[channel.Destination] as FeedReceiver;
if (receiver != null)
{
receiver.Receive(feed);
}
}
// Update the storage
if (Storage != null)
{
Storage.Add(feed);
}
}
/// <summary>
/// Subscribes to a RSS feed
/// </summary>
/// <param name="destination">The Uri destination object.</param>
/// <param name="receiver">The FeedReceiver that will receive the RSS feed.</param>
public static void Subscribe(Uri destination, FeedReceiver receiver)
{
if (destination == null)
{
throw new ArgumentNullException("destination");
}
if (receiver == null)
{
throw new ArgumentNullException("receiver");
}
IFeedInputChannel channel = null;
if (channels[destination] == null)
{
channel = FeedTransport.StaticGetInputChannel(destination);
if (channel != null)
{
channels.Add(destination, channel);
receivers.Add(destination, receiver);
feedWorker.AddFeed(destination);
}
}
else
{
channel = channels[destination] as IFeedInputChannel;
}
channel.BeginReceive(new AsyncCallback(FeedEngine.OnReceiveComplete), destination);
}
private static void OnReceive(Uri destination)
{
FeedReceiver receiver = receivers[destination] as FeedReceiver;
FeedEngine.Subscribe(destination, receiver);
}