/******************************************************************************* * Copyright (c) 2003, 2004 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Common Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/cpl-v10.html *  * Contributors: *     IBM Corporation - initial API and implementation *******************************************************************************/package org.eclipse.swt.browser;/** * This adapter class provides default implementations for the * methods described by the {@link VisibilityWindowListener} interface. * <p> * Classes that wish to deal with {@link WindowEvent}'s can * extend this class and override only the methods which they are * interested in. * </p> *  * @since 3.0 */public abstract class VisibilityWindowAdapter implements VisibilityWindowListener {public void hide(WindowEvent event) {} public void show(WindowEvent event) {}}