/*

 * Copyright (c) 2001, 2007, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * 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).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

package java.awt.event;

import java.util.EventListenerProxy;

import java.awt.AWTEvent;

/**

 * A class which extends the {@code EventListenerProxy}

 * specifically for adding an {@code AWTEventListener}

 * for a specific event mask.

 * Instances of this class can be added as {@code AWTEventListener}s

 * to a {@code Toolkit} object.

 * <p>

 * The {@code getAWTEventListeners} method of {@code Toolkit}

 * can return a mixture of {@code AWTEventListener}

 * and {@code AWTEventListenerProxy} objects.

 *

 * @see java.awt.Toolkit

 * @see java.util.EventListenerProxy

 * @since 1.4

 */

public class AWTEventListenerProxy

        extends EventListenerProxy<AWTEventListener>

        implements AWTEventListener {

    private final long eventMask;

    /**

     * Constructor which binds the {@code AWTEventListener}

     * to a specific event mask.

     *

     * @param eventMask  the bitmap of event types to receive

     * @param listener   the listener object

     */

    public AWTEventListenerProxy (long eventMask, AWTEventListener listener) {

        super(listener);

        this.eventMask = eventMask;

    }

    /**

     * Forwards the AWT event to the listener delegate.

     *

     * @param event  the AWT event

     */

    public void eventDispatched(AWTEvent event) {

        getListener().eventDispatched(event);

    }

    /**

     * Returns the event mask associated with the listener.

     *

     * @return the event mask associated with the listener

     */

    public long getEventMask() {

        return this.eventMask;

    }

}