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/*
* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
*
* Distributable under LGPL license.
* See terms of license at gnu.org.
*/
package net.java.sip.communicator.impl.protocol.jabber;
import java.awt.*;
import java.awt.event.*;
import java.util.List;
import net.java.sip.communicator.impl.protocol.jabber.extensions.inputevt.*;
import net.java.sip.communicator.service.protocol.*;
import net.java.sip.communicator.service.protocol.event.*;
import org.jivesoftware.smack.*;
import org.jivesoftware.smack.filter.*;
import org.jivesoftware.smack.packet.*;
import org.jivesoftware.smackx.packet.*;
// disambiguation
/**
* Implements all desktop sharing client-side related functions for Jabber
* protocol.
*
* @author Sebastien Vincent
*/
public class OperationSetDesktopSharingClientJabberImpl
extends AbstractOperationSetDesktopSharingClient
<ProtocolProviderServiceJabberImpl>
implements RegistrationStateChangeListener,
PacketListener,
PacketFilter
{
/**
* Initializes a new <tt>OperationSetDesktopSharingClientJabberImpl</tt>.
*
* @param parentProvider the Jabber <tt>ProtocolProviderService</tt>
* implementation which has requested the creation of the new instance and
* for which the new instance is to provide desktop sharing.
*/
public OperationSetDesktopSharingClientJabberImpl(
ProtocolProviderServiceJabberImpl parentProvider)
{
super(parentProvider);
parentProvider.addRegistrationStateChangeListener(this);
}
/**
* Send a keyboard notification.
*
* @param callPeer <tt>CallPeer</tt> that will be notified
* @param event <tt>KeyEvent</tt> received and that will be send to remote
* peer
*/
public void sendKeyboardEvent(CallPeer callPeer, KeyEvent event)
{
RemoteControlExtension payload = new RemoteControlExtension(event);
this.sendRemoteControlExtension(callPeer, payload);
}
/**
* Send a mouse notification.
*
* @param callPeer <tt>CallPeer</tt> that will be notified
* @param event <tt>MouseEvent</tt> received and that will be send to remote
* peer
*/
public void sendMouseEvent(CallPeer callPeer, MouseEvent event)
{
RemoteControlExtension payload = new RemoteControlExtension(event);
this.sendRemoteControlExtension(callPeer, payload);
}
/**
* Send a mouse notification for specific "moved" <tt>MouseEvent</tt>. As
* controller computer could have smaller desktop that controlled ones, we
* should take care to send the percentage of point x and point y.
*
* @param callPeer <tt>CallPeer</tt> that will be notified
* @param event <tt>MouseEvent</tt> received and that will be send to remote
* peer
* @param videoPanelSize size of the panel that contains video
*/
public void sendMouseEvent(CallPeer callPeer, MouseEvent event,
Dimension videoPanelSize)
{
RemoteControlExtension payload
= new RemoteControlExtension(event, videoPanelSize);
this.sendRemoteControlExtension(callPeer, payload);
}
/**
* Send a mouse/keyboard/videoPanelSize notification.
*
* @param callPeer <tt>CallPeer</tt> that will be notified
* @param payload The packet payload containing the
* key/mouse/videoPanelSize event to send to remote peer
*/
private void sendRemoteControlExtension(
CallPeer callPeer,
RemoteControlExtension payload)
{
DiscoverInfo discoverInfo
= ((CallPeerJabberImpl) callPeer).getDiscoverInfo();
if(this.parentProvider.getDiscoveryManager()
.includesFeature(InputEvtIQ.NAMESPACE_CLIENT)
&& discoverInfo != null
&& discoverInfo.containsFeature(InputEvtIQ.NAMESPACE_SERVER))
{
InputEvtIQ inputIQ = new InputEvtIQ();
inputIQ.setAction(InputEvtAction.NOTIFY);
inputIQ.setType(IQ.Type.SET);
inputIQ.setFrom(parentProvider.getOurJID());
inputIQ.setTo(callPeer.getAddress());
inputIQ.addRemoteControl(payload);
parentProvider.getConnection().sendPacket(inputIQ);
}
}
/**
* Implementation of method <tt>registrationStateChange</tt> from
* interface RegistrationStateChangeListener for setting up (or down)
* our <tt>InputEvtManager</tt> when an <tt>XMPPConnection</tt> is available
*
* @param evt the event received
*/
public void registrationStateChanged(RegistrationStateChangeEvent evt)
{
OperationSetDesktopSharingServerJabberImpl.registrationStateChanged(
evt,
this,
this,
this.parentProvider.getConnection());
}
/**
* Handles incoming inputevt packets and passes them to the corresponding
* method based on their action.
*
* @param packet the packet to process.
*/
public void processPacket(Packet packet)
{
InputEvtIQ inputIQ = (InputEvtIQ)packet;
//first ack all "set" requests.
if(inputIQ.getType() == IQ.Type.SET
&& inputIQ.getAction() != InputEvtAction.NOTIFY)
{
IQ ack = IQ.createResultIQ(inputIQ);
parentProvider.getConnection().sendPacket(ack);
String callPeerID = inputIQ.getFrom();
if(callPeerID != null)
{
CallPeer callPeer = getListenerCallPeer(callPeerID);
if(callPeer != null)
{
if(inputIQ.getAction() == InputEvtAction.START)
{
fireRemoteControlGranted(callPeer);
}
else if(inputIQ.getAction() == InputEvtAction.STOP)
{
fireRemoteControlRevoked(callPeer);
}
}
}
}
}
/**
* Tests whether or not the specified packet should be handled by this
* operation set. This method is called by smack prior to packet delivery
* and it would only accept <tt>InputEvtIQ</tt>s.
*
* @param packet the packet to test.
* @return true if and only if <tt>packet</tt> passes the filter.
*/
public boolean accept(Packet packet)
{
//we only handle InputEvtIQ-s
return (packet instanceof InputEvtIQ);
}
/**
* Returns the callPeer corresponding to the given callPeerAddress given in
* parameter, if this callPeer exists in the listener list.
*
* @param callPeerAddress The XMPP address of the call peer to seek.
*
* @return The callPeer corresponding to the given callPeerAddress given in
* parameter, if this callPeer exists in the listener list. null otherwise.
*/
protected CallPeer getListenerCallPeer(String callPeerAddress)
{
CallPeerJabberImpl callPeer;
List<RemoteControlListener> listeners = getListeners();
for(int i = 0; i < listeners.size(); ++i)
{
callPeer = (CallPeerJabberImpl) listeners.get(i).getCallPeer();
if(callPeer.getAddress().equals(callPeerAddress))
{
return callPeer;
}
}
// If no peers corresponds, then return NULL.
return null;
}
}
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