/** * Notifies this instance that there was a change in the value of a property of an * <tt>Endpoint</tt> participating in this multipoint conference. * * @param endpoint the <tt>Endpoint</tt> which is the source of the event/notification and is * participating in this multipoint conference * @param ev a <tt>PropertyChangeEvent</tt> which specifies the source of the event/notification, * the name of the property and the old and new values of that property */ private void endpointPropertyChange(Endpoint endpoint, PropertyChangeEvent ev) { String propertyName = ev.getPropertyName(); boolean maybeRemoveEndpoint; if (Endpoint.SCTP_CONNECTION_PROPERTY_NAME.equals(propertyName)) { // The SctpConnection of/associated with an Endpoint has changed. We // may want to fire initial events over that SctpConnection (as soon // as it is ready). SctpConnection oldValue = (SctpConnection) ev.getOldValue(); SctpConnection newValue = (SctpConnection) ev.getNewValue(); endpointSctpConnectionChanged(endpoint, oldValue, newValue); // The SctpConnection may have expired. maybeRemoveEndpoint = (newValue == null); } else if (Endpoint.CHANNELS_PROPERTY_NAME.equals(propertyName)) { // An RtpChannel may have expired. maybeRemoveEndpoint = true; } else { maybeRemoveEndpoint = false; } if (maybeRemoveEndpoint) { // It looks like there is a chance that the Endpoint may have // expired. Endpoints are held by this Conference via WeakReferences // but WeakReferences are unpredictable. We have functionality // though which could benefit from discovering that an Endpoint has // expired as quickly as possible (e.g. ConferenceSpeechActivity). // Consequently, try to expedite the removal of expired Endpoints. if (endpoint.getSctpConnection() == null && endpoint.getChannelCount(null) == 0) { removeEndpoint(endpoint); } } }
/** * Function called when an audio device is plugged or unplugged. * * @param event The property change event which may concern the audio device. */ public void propertyChange(PropertyChangeEvent event) { if (DeviceConfiguration.PROP_AUDIO_SYSTEM_DEVICES.equals(event.getPropertyName())) { NotificationService notificationService = getNotificationService(); if (notificationService != null) { // Registers only once to the popup message notification // handler. if (!isRegisteredToPopupMessageListener) { isRegisteredToPopupMessageListener = true; managePopupMessageListenerRegistration(true); } // Fires the popup notification. ResourceManagementService resources = NeomediaActivator.getResources(); Map<String, Object> extras = new HashMap<String, Object>(); extras.put(NotificationData.POPUP_MESSAGE_HANDLER_TAG_EXTRA, this); notificationService.fireNotification( DEVICE_CONFIGURATION_HAS_CHANGED, resources.getI18NString("impl.media.configform" + ".AUDIO_DEVICE_CONFIG_CHANGED"), resources.getI18NString( "impl.media.configform" + ".AUDIO_DEVICE_CONFIG_MANAGMENT_CLICK"), null, extras); } } }
/** * Notifies this instance that there was a change in the value of a property of {@link * #speechActivity}. * * @param ev a <tt>PropertyChangeEvent</tt> which specifies the source of the event/notification, * the name of the property and the old and new values of that property */ private void speechActivityPropertyChange(PropertyChangeEvent ev) { String propertyName = ev.getPropertyName(); if (ConferenceSpeechActivity.DOMINANT_ENDPOINT_PROPERTY_NAME.equals(propertyName)) { // The dominant speaker in this Conference has changed. We will // likely want to notify the Endpoints participating in this // Conference. dominantSpeakerChanged(); } else if (ConferenceSpeechActivity.ENDPOINTS_PROPERTY_NAME.equals(propertyName)) { speechActivityEndpointsChanged(); } }
/** * Notifies this instance that there was a change in the value of a property of an object in which * this instance is interested. * * @param ev a <tt>PropertyChangeEvent</tt> which specifies the object of interest, the name of * the property and the old and new values of that property */ @Override public void propertyChange(PropertyChangeEvent ev) { Object source = ev.getSource(); if (isExpired()) { // An expired Conference is to be treated like a null Conference // i.e. it does not handle any PropertyChangeEvents. If possible, // make sure that no further PropertyChangeEvents will be delivered // to this Conference. if (source instanceof PropertyChangeNotifier) { ((PropertyChangeNotifier) source).removePropertyChangeListener(propertyChangeListener); } } else if (source == speechActivity) { speechActivityPropertyChange(ev); } else if (source instanceof Endpoint) { // We care about PropertyChangeEvents from Endpoint but only if the // Endpoint in question is still participating in this Conference. Endpoint endpoint = getEndpoint(((Endpoint) source).getID()); if (endpoint != null) endpointPropertyChange(endpoint, ev); } }