mirror of https://github.com/sipwise/jitsi.git
Sebastien Vincent
14 years ago
parent
936b4790ec
commit
db293d098b
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/*
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* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
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*
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* Distributable under LGPL license.
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* See terms of license at gnu.org.
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*/
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package net.java.sip.communicator.service.protocol;
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import java.util.*;
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import net.java.sip.communicator.service.protocol.event.*;
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/**
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* This class represents group of several calls. It is used to make
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* cross-protocol conference calls.
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*
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* @author Sebastien Vincent
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*/
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public class CallGroup
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implements CallChangeListener
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{
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/**
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* List of <tt>Call</tt>s.
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*/
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private List<Call> calls = new ArrayList<Call>();
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/**
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* Synchronization object.
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*/
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private final Object syncRoot = new Object();
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/**
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* Returns list of existing <tt>Call</tt>s in this <tt>CallGroup</tt>.
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*
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* @return list of existing <tt>Call</tt>s in this <tt>CallGroup</tt>.
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*/
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public List<Call> getCalls()
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{
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return calls;
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}
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/**
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* Fires <tt>CallGroupEvent</tt>.
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*
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* @param call source <tt>Call</tt>
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* @param eventID event ID
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*/
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public void fireCallGroupEvent(Call call, int eventID)
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{
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CallGroupEvent evt = new CallGroupEvent(call, eventID);
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for(Call c : calls)
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{
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if(c == call)
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continue;
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switch(eventID)
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{
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case CallGroupEvent.CALLGROUP_CALL_ADDED:
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c.callAdded(evt);
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call.callAdded(new CallGroupEvent(c, eventID));
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break;
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case CallGroupEvent.CALLGROUP_CALL_REMOVED:
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c.callRemoved(evt);
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call.callRemoved(new CallGroupEvent(c, eventID));
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break;
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default:
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break;
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}
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}
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}
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/**
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* Adds a call.
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*
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* @param call call to add
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*/
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public void addCall(Call call)
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{
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synchronized(syncRoot)
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{
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if(!calls.contains(call))
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{
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call.addCallChangeListener(this);
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call.setCallGroup(this);
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calls.add(call);
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}
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}
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}
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/**
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* Removes a call.
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*
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* @param call call to remove
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*/
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public void removeCall(Call call)
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{
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synchronized(syncRoot)
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{
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if(calls.contains(call))
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{
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call.removeCallChangeListener(this);
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calls.remove(call);
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call.setCallGroup(null);
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}
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}
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}
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/**
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* Indicates that a new call peer has joined the source call.
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*
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* @param evt the <tt>CallPeerEvent</tt> containing the source call
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* and call peer.
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*/
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public void callPeerAdded(CallPeerEvent evt)
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{
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/* not used */
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}
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/**
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* Indicates that a call peer has left the source call.
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*
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* @param evt the <tt>CallPeerEvent</tt> containing the source call
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* and call peer.
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*/
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public void callPeerRemoved(CallPeerEvent evt)
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{
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/* not used */
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}
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/**
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* Indicates that a change has occurred in the state of the source call.
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*
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* @param evt the <tt>CallChangeEvent</tt> instance containing the source
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* calls and its old and new state.
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*/
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public void callStateChanged(CallChangeEvent evt)
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{
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Call call = evt.getSourceCall();
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if(evt.getEventType() == CallChangeEvent.CALL_STATE_CHANGE)
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{
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CallState state = (CallState)evt.getNewValue();
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if(evt.getNewValue() == evt.getOldValue())
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return;
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if(state == CallState.CALL_ENDED)
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{
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fireCallGroupEvent(call, CallGroupEvent.CALLGROUP_CALL_REMOVED);
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}
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else if(state == CallState.CALL_IN_PROGRESS)
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{
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fireCallGroupEvent(call, CallGroupEvent.CALLGROUP_CALL_ADDED);
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}
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}
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}
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}
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@ -0,0 +1,74 @@
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/*
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* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
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*
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* Distributable under LGPL license.
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* See terms of license at gnu.org.
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*/
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package net.java.sip.communicator.service.protocol.event;
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import java.util.*;
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import net.java.sip.communicator.service.protocol.*;
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/**
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* An event class representing that an <tt>Call</tt> or <tt>CallPeer</tt> is
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* added/removed to/from a <tt>CallGroup</tt>.
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*
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* @author Sebastien Vincent
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*/
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public class CallGroupEvent
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extends EventObject
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{
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/**
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* Serial version UID.
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*/
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private static final long serialVersionUID = 0L;
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/**
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* CALLGROUP_CALL_ADDED event name.
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*/
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public static final int CALLGROUP_CALL_ADDED = 0;
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/**
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* CALLGROUP_CALL_REMOVED event name.
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*/
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public static final int CALLGROUP_CALL_REMOVED = 1;
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/**
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* The id indicating the type of this event.
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*/
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private final int eventID;
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/**
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* Constructor.
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*
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* @param call call source
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* @param eventID event ID
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*/
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public CallGroupEvent(Call call, int eventID)
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{
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super(call);
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this.eventID = eventID;
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}
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/**
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* Returns one of the CALLGROUP_XXX member ints indicating
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* the type of this event.
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* @return one of the CALLGROUP_XXX member ints indicating
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* the type of this event.
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*/
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public int getEventID()
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{
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return this.eventID;
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}
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/**
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* Returns the source call.
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*
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* @return The source call
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*/
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public Call getSourceCall()
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{
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return (Call)getSource();
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}
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}
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@ -0,0 +1,33 @@
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/*
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* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
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*
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* Distributable under LGPL license.
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* See terms of license at gnu.org.
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*/
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package net.java.sip.communicator.service.protocol.event;
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import java.util.*;
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/**
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* Instances of this class are used for listening for notifications coming out
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* of a <tt>CallGroup</tt>.
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*
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* @author Sebastien Vincent
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*/
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public interface CallGroupListener
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extends EventListener
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{
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/**
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* Notified when a call are added to a <tt>CallGroup</tt>.
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*
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* @param evt event
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*/
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public void callAdded(CallGroupEvent evt);
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/**
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* Notified when a call are removed from a <tt>CallGroup</tt>.
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*
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* @param evt event
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*/
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public void callRemoved(CallGroupEvent evt);
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}
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