/*
 *                 Sun Public License Notice
 * 
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 * 
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2003 Sun
 * Microsystems, Inc. All Rights Reserved.
 */


package org.openide.windows;


import java.util.Set;


/** 
 * Represents window group. The notion of window group is defined by 
 * Window system UI specification document.
 * The concept of window group explains API changes document.
 *
 * 

 * Importatnt note: Do not provide implementation of this interface unless you are window system provider!
 *
 * @author  Peter Zavadsky
 * @since 4.13
 */
public interface TopComponentGroup {
    
    /** Opens all TopComponent's belonging to this group which have opening flag
     * switched on. */
    public void open();
    
    /** Closes all TopComponent's belonging to this group which have closing flag
     * switched on. */
    public void close();

//    /** Set of TopComponentS belonging to this group. */
//    public Set getTopComponents(); // TEMP
}