mirror of https://github.com/sipwise/jitsi.git
Emil Ivov
18 years ago
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/*
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* SIP Communicator, 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.impl.gui.main.call;
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import java.awt.event.*;
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import javax.swing.*;
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import net.java.sip.communicator.impl.gui.utils.*;
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import net.java.sip.communicator.service.protocol.*;
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import net.java.sip.communicator.service.protocol.event.*;
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/**
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* Represents an UI means to put an associated <tt>CallPariticant</tt> on/off
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* hold.
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*
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* @author Lubomir Marinov
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*/
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public class HoldButton
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extends JToggleButton
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{
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/**
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* Initializes a new <tt>HoldButton</tt> instance which is to put a specific
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* <tt>CallParticipant</tt> on/off hold.
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*
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* @param callParticipant the <tt>CallParticipant</tt> to be associated with
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* the new instance and to be put on/off hold upon performing its
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* action
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*/
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public HoldButton(CallParticipant callParticipant)
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{
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super(new ImageIcon(ImageLoader.getImage(ImageLoader.HOLD_BUTTON)));
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setModel(new HoldButtonModel(callParticipant));
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}
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/**
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* Represents the model of a toggle button that puts an associated
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* <tt>CallParticipant</tt> on/off hold.
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*/
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private static class HoldButtonModel
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extends ToggleButtonModel
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{
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/**
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* The <tt>CallParticipant</tt> whose state is being adapted for the
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* purposes of depicting as a toggle button.
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*/
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private final CallParticipant callParticipant;
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/**
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* Initializes a new <tt>HoldButtonModel</tt> instance to represent
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* the state of a specific <tt>CallParticipant</tt> as a toggle
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* button.
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*
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* @param callParticipant
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* the <tt>CallParticipant</tt> whose state is to be
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* represented as a toggle button
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*/
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public HoldButtonModel(CallParticipant callParticipant)
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{
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this.callParticipant = callParticipant;
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InternalListener listener = new InternalListener();
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this.callParticipant.addCallParticipantListener(listener);
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addActionListener(listener);
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}
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/**
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* Handles actions performed on this model on behalf of a specific
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* <tt>ActionListener</tt>.
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*
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* @param listener the <tt>ActionListener</tt> notified about the
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* performing of the action
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* @param evt the <tt>ActionEvent</tt> containing the data associated
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* with the action and the act of its performing
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*/
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private void actionPerformed(ActionListener listener, ActionEvent evt)
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{
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Call call = callParticipant.getCall();
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if (call != null)
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{
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OperationSetBasicTelephony telephony =
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(OperationSetBasicTelephony) call.getProtocolProvider()
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.getOperationSet(OperationSetBasicTelephony.class);
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try
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{
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if (isSelected())
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telephony.putOffHold(callParticipant);
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else
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telephony.putOnHold(callParticipant);
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}
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catch (OperationFailedException ex)
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{
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// TODO Auto-generated method stub
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}
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}
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}
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/**
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* Determines whether this model represents a state which should be
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* visualized by the currently depicting toggle button as selected.
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*/
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public boolean isSelected()
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{
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CallParticipantState state = callParticipant.getState();
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return CallParticipantState.ON_HOLD_LOCALLY.equals(state)
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|| CallParticipantState.ON_HOLD_MUTUALLY.equals(state);
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}
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/**
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* Handles changes in the state of the source <tt>CallParticipant</tt>
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* on behalf of a specific <tt>CallParticipantListener</tt>.
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*
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* @param listener the <tt>CallParticipantListener</tt> notified about
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* the state change
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* @param evt the <tt>CallParticipantChangeEvent</tt> containing the
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* source event as well as its previous and its new state
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*/
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private void participantStateChanged(CallParticipantListener listener,
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CallParticipantChangeEvent evt)
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{
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CallParticipantState newState =
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(CallParticipantState) evt.getNewValue();
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CallParticipant callParticipant = evt.getSourceCallParticipant();
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fireItemStateChanged(new ItemEvent(this,
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ItemEvent.ITEM_STATE_CHANGED, this,
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isSelected() ? ItemEvent.SELECTED : ItemEvent.DESELECTED));
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fireStateChanged();
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/*
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* For the sake of completeness, try to not leave a listener on the
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* CallParticipant after it's no longer of interest.
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*/
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if (CallParticipantState.DISCONNECTED.equals(newState))
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{
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callParticipant.removeCallParticipantListener(listener);
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}
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}
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/**
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* Represents the set of <tt>EventListener</tt>s this instance uses
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* to track the changes in its <tt>CallParticipant</tt> model.
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*/
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private class InternalListener
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extends CallParticipantAdapter
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implements ActionListener
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{
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/**
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* Invoked when an action occurs.
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*
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* @param evt the <tt>ActionEvent</tt> instance containing the data
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* associated with the action and the act of its
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* performing
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*/
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public void actionPerformed(ActionEvent evt)
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{
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HoldButtonModel.this.actionPerformed(this, evt);
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}
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/**
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* Indicates that a change has occurred in the state of the source
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* CallParticipant.
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*
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* @param evt The <tt>CallParticipantChangeEvent</tt> instance
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* containing the source event as well as its previous
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* and its new status.
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*/
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public void participantStateChanged(CallParticipantChangeEvent evt)
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{
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HoldButtonModel.this.participantStateChanged(this, evt);
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}
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}
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}
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}
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@ -0,0 +1,86 @@
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/*
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* SIP Communicator, 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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/**
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* An abstract adapter class for receiving call participant (change) events.
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* This class exists only as a convenience for creating listener objects.
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* <p>
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* Extend this class to create a <tt>CallParticipantChangeEvent</tt> listener
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* and override the methods for the events of interest. (If you implement the
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* <tt>CallParticipantListener</tt> interface, you have to define all of the
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* methods in it. This abstract class defines null methods for them all, so you
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* only have to define methods for events you care about.)
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* </p>
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*
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* @see CallParticipantChangeEvent
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* @see CallParticipantListener
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*
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* @author Lubomir Marinov
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*/
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public abstract class CallParticipantAdapter
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implements CallParticipantListener
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{
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/**
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* Indicates that a change has occurred in the address of the source
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* CallParticipant.
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*
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* @param evt The <tt>CallParticipantChangeEvent</tt> instance containing
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* the source event as well as its previous and its new address.
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*/
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public void participantAddressChanged(CallParticipantChangeEvent evt)
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{
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}
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/**
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* Indicates that a change has occurred in the display name of the source
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* CallParticipant.
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*
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* @param evt The <tt>CallParticipantChangeEvent</tt> instance containing
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* the source event as well as its previous and its new display
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* names.
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*/
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public void participantDisplayNameChanged(CallParticipantChangeEvent evt)
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{
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}
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/**
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* Indicates that a change has occurred in the image of the source
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* CallParticipant.
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*
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* @param evt The <tt>CallParticipantChangeEvent</tt> instance containing
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* the source event as well as its previous and its new image.
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*/
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public void participantImageChanged(CallParticipantChangeEvent evt)
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{
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}
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/**
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* Indicates that a change has occurred in the status of the source
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* CallParticipant.
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*
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* @param evt The <tt>CallParticipantChangeEvent</tt> instance containing
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* the source event as well as its previous and its new status.
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*/
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public void participantStateChanged(CallParticipantChangeEvent evt)
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{
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}
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/**
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* Indicates that a change has occurred in the transport address that we use
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* to communicate with the participant.
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*
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* @param evt The <tt>CallParticipantChangeEvent</tt> instance containing
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* the source event as well as its previous and its new transport
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* address.
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*/
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public void participantTransportAddressChanged(
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CallParticipantChangeEvent evt)
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{
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}
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}
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