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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 *
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package sun.awt;

import java.awt.event.WindowEvent;


Interface for listening to WINDOW_CLOSING events before and
after they are posted to the queue.

/**
 * Interface for listening to WINDOW_CLOSING events before and
 * after they are posted to the queue.
 */
public interface WindowClosingListener {
    
Called before a WINDOW_CLOSING event gets posted to the queue.

Params:
  • event – The WINDOW_CLOSING event that will be posted.
Returns:A RuntimeException if the result of this function
call needs to interrupt a blocking thread.  The exception
returned will be thrown from that thread.  This function
should return null otherwise.
/**
     * Called before a WINDOW_CLOSING event gets posted to the queue.
     * @param event The WINDOW_CLOSING event that will be posted.
     * @return A RuntimeException if the result of this function
     * call needs to interrupt a blocking thread.  The exception
     * returned will be thrown from that thread.  This function
     * should return null otherwise.
     */
    RuntimeException windowClosingNotify(WindowEvent event);
    
Called after a WINDOW_CLOSING event gets posted to the queue.

Params:
  • event – The WINDOW_CLOSING event that has been posted.
Returns:A RuntimeException if the result of this function
call needs to interrupt a blocking thread.  The exception
returned will be thrown from that thread.  This function
should return null otherwise.
/**
     * Called after a WINDOW_CLOSING event gets posted to the queue.
     * @param event The WINDOW_CLOSING event that has been posted.
     * @return A RuntimeException if the result of this function
     * call needs to interrupt a blocking thread.  The exception
     * returned will be thrown from that thread.  This function
     * should return null otherwise.
     */
    RuntimeException windowClosingDelivered(WindowEvent event);
}