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/* * Copyright (c) 1997, 2000, 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 javax.swing.plaf; import java.awt.event.MouseEvent;import javax.swing.Popup;import javax.swing.PopupFactory;import javax.swing.JPopupMenu; /** * Pluggable look and feel interface for JPopupMenu. * * @author Georges Saab * @author David Karlton */ public abstract class PopupMenuUI extends ComponentUI {    /**     * @since 1.3     */    public boolean isPopupTrigger(MouseEvent e) {        return e.isPopupTrigger();    }     /**     * Returns the <code>Popup</code> that will be responsible for     * displaying the <code>JPopupMenu</code>.     *     * @param popup JPopupMenu requesting Popup     * @param x     Screen x location Popup is to be shown at     * @param y     Screen y location Popup is to be shown at.     * @return Popup that will show the JPopupMenu     * @since 1.4     */    public Popup getPopup(JPopupMenu popup, int x, int y) {        PopupFactory popupFactory = PopupFactory.getSharedInstance();         return popupFactory.getPopup(popup.getInvoker(), popup, x, y);    }}