/*
* JMule - Java file sharing client
* Copyright (C) 2007-2008 JMule team ( jmule@jmule.org / http://jmule.org )
*
* Any parts of this program derived from other projects, or contributed
* by third-party developers are copyrighted by their respective authors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
package org.jmule.ui.swing;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import javax.swing.SwingUtilities;
import org.jmule.core.JMRunnable;
import org.jmule.core.JMThread;
/**
*
* Created on Aug 28, 2008
* @author javajox
* @version $Revision: 1.1 $
* Last changed by $Author: javajox $ on $Date: 2008/09/09 12:17:49 $
*/
public class SwingGUIUpdater extends JMThread {
private static SwingGUIUpdater instance = null;
public static SwingGUIUpdater getInstance() {
if (instance==null)
instance = new SwingGUIUpdater();
return instance;
}
private boolean stop = false;
private List<Refreshable> refreshable_list = new CopyOnWriteArrayList<Refreshable>();
private SwingGUIUpdater() {
super("GUI updater thread");
}
public void JMStop() {
stop = true;
interrupt();
}
public void addRefreshable(Refreshable refreshable) {
refreshable_list.add(refreshable);
}
public void removeRefreshable(Refreshable refreshable) {
refreshable_list.remove(refreshable);
}
protected boolean process_refreshables = false;
public void run() {
process_refreshables = false;
while(!stop) {
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
if (stop) return ;
}
if (!process_refreshables) {
SwingUtilities.invokeLater(new JMRunnable() {
public void JMRun() {
process_refreshables = true;
for(Refreshable refreshable : refreshable_list) {
try {
refreshable.refresh();
}catch(Throwable t) { t.printStackTrace(); }
}
process_refreshables = false;
}
}); }
}
}
}