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/*
* Copyright (c) 2006, 2016, 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
@key headful
@bug 6418028
@author oleg.sukhodolsky: area=awt.focus
@library ../../regtesthelpers
@modules java.desktop/java.awt.peer
java.desktop/sun.awt
java.desktop/java.awt:open
@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;
}
}
}
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