001/**
002 *
003 * Copyright 2003-2006 Jive Software.
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.jivesoftware.smackx.jingle.mediaimpl.sshare;
018
019import org.jivesoftware.smackx.jingle.JingleSession;
020import org.jivesoftware.smackx.jingle.media.JingleMediaManager;
021import org.jivesoftware.smackx.jingle.media.JingleMediaSession;
022import org.jivesoftware.smackx.jingle.media.PayloadType;
023import org.jivesoftware.smackx.jingle.mediaimpl.sshare.api.ImageDecoder;
024import org.jivesoftware.smackx.jingle.mediaimpl.sshare.api.ImageEncoder;
025import org.jivesoftware.smackx.jingle.nat.JingleTransportManager;
026import org.jivesoftware.smackx.jingle.nat.TransportCandidate;
027
028import java.util.ArrayList;
029import java.util.List;
030
031/**
032 * Implements a JingleMediaManager for ScreenSharing.
033 * It currently uses an Audio payload Type. Which needs to be fixed in the next version.
034 *
035 * @author Thiago Camargo
036 */
037
038public class ScreenShareMediaManager extends JingleMediaManager {
039
040    public static final String MEDIA_NAME = "ScreenShare";
041
042    private List<PayloadType> payloads = new ArrayList<PayloadType>();
043
044    private ImageDecoder decoder = null;
045    private ImageEncoder encoder = null;
046
047    public ScreenShareMediaManager(JingleTransportManager transportManager) {
048        super(transportManager);
049        setupPayloads();
050    }
051
052    /**
053     * Setup API supported Payloads
054     */
055    private void setupPayloads() {
056        payloads.add(new PayloadType.Audio(30, "sshare"));
057    }
058
059    /**
060     * Return all supported Payloads for this Manager.
061     *
062     * @return The Payload List
063     */
064    public List<PayloadType> getPayloads() {
065        return payloads;
066    }
067
068    /**
069     * Returns a new JingleMediaSession
070     *
071     * @param payloadType payloadType
072     * @param remote      remote Candidate
073     * @param local       local Candidate
074     * @return JingleMediaSession JingleMediaSession
075     */
076    public JingleMediaSession createMediaSession(PayloadType payloadType, final TransportCandidate remote, final TransportCandidate local, final JingleSession jingleSession) {
077        ScreenShareSession session = null;
078        session = new ScreenShareSession(payloadType, remote, local, "Screen", jingleSession);
079        if (encoder != null) {
080            session.setEncoder(encoder);
081        }
082        if (decoder != null) {
083            session.setDecoder(decoder);
084        }
085        return session;
086    }
087
088    public PayloadType getPreferredPayloadType() {
089        return super.getPreferredPayloadType();
090    }
091
092    public ImageDecoder getDecoder() {
093        return decoder;
094    }
095
096    public void setDecoder(ImageDecoder decoder) {
097        this.decoder = decoder;
098    }
099
100    public ImageEncoder getEncoder() {
101        return encoder;
102    }
103
104    public void setEncoder(ImageEncoder encoder) {
105        this.encoder = encoder;
106    }
107    
108    public  String getName() {
109        return MEDIA_NAME;
110    }
111}