org.eclipse.swt.snippets.Snippet173.java Source code

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Here is the source code for org.eclipse.swt.snippets.Snippet173.java

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/*******************************************************************************
 * Copyright (c) 2000, 2005 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.swt.snippets;

/*
 * Browser snippet: bring up a browser (pop-up blocker)
 * 
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 * 
 * @since 3.1
 */
import org.eclipse.swt.*;
import org.eclipse.swt.widgets.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.browser.*;

public class Snippet173 {

    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();
        /* any website with popups */
        browser.setUrl("http://www.cnn.com");
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
        display.dispose();
    }

    /* register WindowEvent listeners */
    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;
                final Shell shell = browser.getShell();
                /* popup blocker - ignore windows with no style */
                if (!event.addressBar && !event.menuBar && !event.statusBar && !event.toolBar) {
                    System.out.println("Popup blocked.");
                    event.display.asyncExec(new Runnable() {
                        public void run() {
                            shell.close();
                        }
                    });
                    return;
                }
                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();
            }
        });
    }
}