/*
 *                 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 Forte for Java, Community Edition. The Initial
 * Developer of the Original Code is Sun Microsystems, Inc. Portions
 * Copyright 1997-2002 Sun Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.modules.looks;

import java.util.ArrayList;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.List;
import java.util.TooManyListenersException;
import javax.swing.event.ChangeListener;
import javax.swing.event.EventListenerList;

import org.netbeans.spi.looks.LookSelector;
import org.netbeans.spi.looks.LookProvider;
import org.netbeans.spi.looks.ChangeableLookProvider;
import org.netbeans.modules.looks.NamespaceLookProvider;
import org.openide.util.enum.EmptyEnumeration;

/** Interface which serves as a delegate for the LookSelector 
 * final class in the SPI. The only thing the LookSelector does
 * is to delegate to it's implementatation. The two innerclasses
 * of the interface provide the implementation for the two LookProvoders
 * (I.e. the fixed LookProvider and the ChangeableLookProvider which
 * may change it's content during runtime.
 *
 */
public interface SelectorImpl {
        
    public void setLookSelector( LookSelector selector ) throws TooManyListenersException;
    
    public Enumeration getLooks( Object representedObject );
          
    public void addSelectorListener( SelectorListener listener );
    
    public void removeSelectorListener( SelectorListener listener );
    
    // Package private members -------------------------------------------------
    // To be used only from the instances of
    
    static final Object FIXED = new String("org.netbeans.modules.looks.SelectorImpl.FIXED"); //NOI18N

    Object getKey4Object( Object representedObject );
    
    Enumeration getLooks4Key( Object key );
    
    HashMap getCache();
    
}