| /* |
| * Copyright (c) 2006, 2015, 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. |
| * |
| * 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. |
| */ |
| |
| /* |
| @test |
| @bug 6418028 |
| @author oleg.sukhodolsky: area=awt.focus |
| @library ../../regtesthelpers |
| @modules java.desktop/java.awt.peer |
| java.desktop/sun.awt |
| @build Util |
| @run main RequestOnCompWithNullParent1 |
| */ |
| |
| import java.awt.*; |
| import java.awt.event.*; |
| import java.awt.peer.ButtonPeer; |
| import java.awt.peer.ComponentPeer; |
| import java.lang.reflect.Field; |
| import java.lang.reflect.InvocationHandler; |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Method; |
| import java.lang.reflect.Proxy; |
| |
| import sun.awt.AWTAccessor; |
| |
| public class RequestOnCompWithNullParent1 { |
| |
| public static void main(final String[] args) throws Exception { |
| Frame frame = new Frame("test for 6418028"); |
| try { |
| test(frame); |
| } finally { |
| frame.dispose(); |
| } |
| } |
| |
| private static void test(final Frame frame) throws Exception { |
| frame.setLayout(new FlowLayout()); |
| Button btn1 = new Button("Button1"); |
| frame.add(btn1); |
| TestButton btn2 = new TestButton("Button2"); |
| frame.add(btn2); |
| frame.pack(); |
| frame.addWindowListener(new WindowAdapter() { |
| @Override |
| public void windowClosing(WindowEvent we) { |
| we.getWindow().dispose(); |
| } |
| }); |
| frame.setVisible(true); |
| |
| new Robot().waitForIdle(); |
| |
| btn2.instrumentPeer(); |
| btn2.requestFocusInWindow(); |
| btn2.restorePeer(); |
| } |
| } |
| |
| class TestButton extends Button { |
| ButtonPeer origPeer; |
| ButtonPeer proxiedPeer; |
| |
| /** Creates a new instance of TestButton */ |
| TestButton(String text) { |
| super(text); |
| } |
| |
| public void instrumentPeer() { |
| origPeer = AWTAccessor.getComponentAccessor().getPeer(this); |
| |
| InvocationHandler handler = new InvocationHandler() { |
| public Object invoke(Object proxy, Method method, Object[] args) { |
| if (method.getName().equals("requestFocus")) { |
| Container parent = getParent(); |
| parent.remove(TestButton.this); |
| System.err.println("parent = " + parent); |
| System.err.println("target = " + TestButton.this); |
| System.err.println("new parent = " + TestButton.this.getParent()); |
| } |
| Object ret = null; |
| try { |
| ret = method.invoke(origPeer, args); |
| } catch (IllegalAccessException iae) { |
| throw new Error("Test error.", iae); |
| } catch (InvocationTargetException ita) { |
| throw new Error("Test error.", ita); |
| } |
| return ret; |
| } |
| }; |
| |
| proxiedPeer = (ButtonPeer) Proxy.newProxyInstance( |
| ButtonPeer.class.getClassLoader(), |
| new Class[] {ButtonPeer.class}, handler); |
| setPeer(proxiedPeer); |
| } |
| |
| private void setPeer(final ComponentPeer newPeer) { |
| try { |
| Field peer_field = Component.class.getDeclaredField("peer"); |
| peer_field.setAccessible(true); |
| peer_field.set(this, newPeer); |
| } catch (IllegalArgumentException ex) { |
| throw new Error("Test error.", ex); |
| } catch (SecurityException ex) { |
| throw new Error("Test error.", ex); |
| } catch (IllegalAccessException ex) { |
| throw new Error("Test error.", ex); |
| } catch (NoSuchFieldException ex) { |
| throw new Error("Test error.", ex); |
| } |
| } |
| |
| public void restorePeer() { |
| if (origPeer != null) { |
| setPeer(origPeer); |
| proxiedPeer = null; |
| } |
| } |
| } |