/******************************************************************************* * 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;import org.eclipse.swt.widgets.*;import org.eclipse.swt.events.*;import org.eclipse.swt.graphics.*;/** * A <code>WindowEvent</code> is sent by a {@link Browser} when * a new window needs to be created or when an existing window needs to be * closed. This notification occurs when a javascript command such as * <code>window.open</code> or <code>window.close</code> gets executed by * a <code>Browser</code>. * * <p> * The following example shows how <code>WindowEvent</code>'s are typically * handled. *  * <code><pre> *	public static void main(String[] args) { *		Display display = new Display(); *		Shell shell = new Shell(display); *		shell.setText("Main Window"); *		shell.setLayout(new FillLayout()); *		Browser browser = new Browser(shell, SWT.NONE); *		initialize(display, browser); *		shell.open(); *		browser.setUrl("http://www.eclipse.org"); *		while (!shell.isDisposed()) { *			if (!display.readAndDispatch()) *				display.sleep(); *		} *		display.dispose(); *	} * *	static void initialize(final Display display, Browser browser) { *		browser.addOpenWindowListener(new OpenWindowListener() { *			public void open(WindowEvent event) { *				Shell shell = new Shell(display); *				shell.setText("New Window"); *				shell.setLayout(new FillLayout()); *				Browser browser = new Browser(shell, SWT.NONE); *				initialize(display, browser); *				event.browser = browser; *			} *		}); *		browser.addVisibilityWindowListener(new VisibilityWindowListener() { *			public void hide(WindowEvent event) { *				Browser browser = (Browser)event.widget; *				Shell shell = browser.getShell(); *				shell.setVisible(false); *			} *			public void show(WindowEvent event) { *				Browser browser = (Browser)event.widget; *				Shell shell = browser.getShell(); *				if (event.location != null) shell.setLocation(event.location); *				if (event.size != null) { *					Point size = event.size; *					shell.setSize(shell.computeSize(size.x, size.y)); *				} *				shell.open(); *			} *		}); *		browser.addCloseWindowListener(new CloseWindowListener() { *			public void close(WindowEvent event) { *				Browser browser = (Browser)event.widget; *				Shell shell = browser.getShell(); *				shell.close(); *			} *		}); *	} * </pre></code> *  * @see CloseWindowListener * @see OpenWindowListener * @see VisibilityWindowListener *  * @since 3.0 */public class WindowEvent extends TypedEvent {		/** 	 * <code>Browser</code> provided by the application. Default is <code>null</code>	 * and <code>null</code> will cancel the associated navigation request.	 */	public Browser browser;	/** 	 * Requested location for the <code>Shell</code> hosting the <code>Browser</code>.	 * It is <code>null</code> if no location has been requested.	 */	public Point location;	/** 	 * Requested client size for the <code>Shell</code> hosting the <code>Browser</code>.	 * It is <code>null</code> if no size has been requested.	 */	public Point size;	WindowEvent(Widget w) {	super(w);}}