/*

 * Copyright (c) 1998, 2013, 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package java.awt.dnd;

import java.util.EventListener;

/**

 * The listener interface for receiving drag gesture events.

 * This interface is intended for a drag gesture recognition

 * implementation. See a specification for {@code DragGestureRecognizer}

 * for details on how to register the listener interface.

 * Upon recognition of a drag gesture the {@code

 * DragGestureRecognizer} calls this interface's

 * {@link #dragGestureRecognized dragGestureRecognized()}

 * method and passes a {@code DragGestureEvent}.

 *

 * @see java.awt.dnd.DragGestureRecognizer

 * @see java.awt.dnd.DragGestureEvent

 * @see java.awt.dnd.DragSource

 */

 public interface DragGestureListener extends EventListener {

    /**

     * This method is invoked by the {@code DragGestureRecognizer}

     * when the {@code DragGestureRecognizer} detects a platform-dependent

     * drag initiating gesture. To initiate the drag and drop operation,

     * if appropriate, {@link DragGestureEvent#startDrag startDrag()} method on

     * the {@code DragGestureEvent} has to be invoked.

     * <P>

     * @see java.awt.dnd.DragGestureRecognizer

     * @see java.awt.dnd.DragGestureEvent

     * @param dge the <code>DragGestureEvent</code> describing

     * the gesture that has just occurred

     */

     void dragGestureRecognized(DragGestureEvent dge);

}