package org.jivesoftware.smackx.jingle.nat;

import org.jivesoftware.smack.Connection;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smackx.jingle.JingleSession;
import org.jivesoftware.smackx.jingle.listeners.CreatedJingleSessionListener;
import org.jivesoftware.smackx.jingle.listeners.JingleSessionListener;
import org.jivesoftware.smackx.jingle.media.PayloadType;

/**
 * $RCSfile: ICETransportManager.java,v $ $Revision: 1.1 $ $Date: 02/01/2007
 * <p/>
 * Copyright 2003-2006 Jive Software.
 * <p/>
 * All rights reserved. Licensed under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
public class ICETransportManager extends JingleTransportManager implements
		JingleSessionListener, CreatedJingleSessionListener {

	ICEResolver iceResolver = null;

	public ICETransportManager(Connection xmppConnection, String server,
			int port) {
		iceResolver = new ICEResolver(xmppConnection, server, port);
		try {
			iceResolver.initializeAndWait();
		} catch (final XMPPException e) {
			e.printStackTrace();
		}
	}

	@Override
	protected TransportResolver createResolver(JingleSession session) {
		try {
			iceResolver.resolve(session);
		} catch (final XMPPException e) {
			e.printStackTrace();
		}
		return iceResolver;
	}

	// Implement a Session Listener to relay candidates after establishment

	@Override
	public void sessionClosed(String reason, JingleSession jingleSession) {
	}

	@Override
	public void sessionClosedOnError(XMPPException e,
			JingleSession jingleSession) {
	}

	@Override
	public void sessionCreated(JingleSession jingleSession) {
		jingleSession.addListener(this);
	}

	@Override
	public void sessionDeclined(String reason, JingleSession jingleSession) {
	}

	@Override
	public void sessionEstablished(PayloadType pt, TransportCandidate rc,
			TransportCandidate lc, JingleSession jingleSession) {
		if (lc instanceof ICECandidate) {
			if (((ICECandidate) lc).getType().equals("relay")) {
				final RTPBridge rtpBridge = RTPBridge.relaySession(
						lc.getConnection(), lc.getSessionId(),
						lc.getPassword(), rc, lc);
			}
		}
	}

	@Override
	public void sessionMediaReceived(JingleSession jingleSession,
			String participant) {
		// Do Nothing
	}

	// Session Created

	@Override
	public void sessionRedirected(String redirection,
			JingleSession jingleSession) {
	}
}