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/*
* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
*
* Copyright @ 2015 Atlassian Pty Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.java.sip.communicator.impl.gui.main;
import java.util.*;
/**
* The <tt>UINotificationManager</tt> manages all notifications dedicated to
* be shown in the main application window. These could be missed calls, voice
* messages, etc.
*
* @author Yana Stamcheva
*/
public class UINotificationManager
{
/**
* The list of all notification groups.
*/
private static Collection<UINotificationGroup> notificationGroups
= new ArrayList<UINotificationGroup>();
/**
* Listener notified for changes in missed calls count.
*/
private static Collection<UINotificationListener> notificationListeners
= new ArrayList<UINotificationListener>();
/**
* Adds the given <tt>UINotificationListener</tt> to the list of listeners
* that would be notified on any changes in missed calls count.
*
* @param l the <tt>UINotificationListener</tt> to add
*/
public static void addNotificationListener(UINotificationListener l)
{
synchronized (l)
{
notificationListeners.add(l);
}
}
/**
* Removes the given <tt>UINotificationListener</tt> from the list of
* listeners that are notified on any changes in missed calls count.
*
* @param l the <tt>UINotificationListener</tt> to remove
*/
public static void removeNotificationListener(UINotificationListener l)
{
synchronized (l)
{
notificationListeners.remove(l);
}
}
/**
* Adds the given notification to the list of unread notifications and
* notifies interested listeners.
*
* @param notification the <tt>UINotification</tt> to add
*/
public static void addNotification(UINotification notification)
{
UINotificationGroup group = notification.getGroup();
if (!notificationGroups.contains(group))
notificationGroups.add(group);
group.addNotification(notification);
fireNotificationEvent(notification);
}
/**
* Removes all unread notifications.
*
* @param group removes all unread notifications for the given notification
* group
*/
public static void removeAllNotifications(UINotificationGroup group)
{
group.removeAllNotifications();
}
/**
* Removes all unread notifications from all notification groups.
*/
public static void removeAllNotifications()
{
Iterator<UINotificationGroup> groups = notificationGroups.iterator();
while (groups.hasNext())
{
groups.next().removeAllNotifications();
}
}
/**
* Returns a list of all unread notifications.
*
* @param group the notification group, which notification we're looking
* for
* @return a list of all unread notifications
*/
public static Iterator<UINotification> getUnreadNotifications(
UINotificationGroup group)
{
return group.getUnreadNotifications();
}
/**
* Returns a list of all notification groups.
*
* @return a list of all notification groups
*/
public static Collection<UINotificationGroup> getNotificationGroups()
{
return new ArrayList<UINotificationGroup>(notificationGroups);
}
/**
* Notifies interested <tt>UINotificationListener</tt> that a new
* notification has been received.
*
* @param notification the new notification
*/
private static void fireNotificationEvent(UINotification notification)
{
synchronized (notificationListeners)
{
Iterator<UINotificationListener> listeners
= notificationListeners.iterator();
while (listeners.hasNext())
listeners.next().notificationReceived(notification);
}
}
/**
* Notifies interested <tt>UINotificationListener</tt> that a
* notification has been cleared.
*
* @param notification the cleared notification
*/
static void fireClearedEvent(UINotification notification)
{
synchronized (notificationListeners)
{
Iterator<UINotificationListener> listeners
= notificationListeners.iterator();
while (listeners.hasNext())
listeners.next().notificationCleared(notification);
}
}
}
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