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/*
* Copyright (c) 2011, 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 7108598 8172009
* @summary Container.paint/KeyboardFocusManager.clearMostRecentFocusOwner methods deadlock
* @library ../../regtesthelpers
* @author Oleg Pekhovskiy
* @build Util
* @run main PaintSetEnabledDeadlock
*/
import java.awt.Button;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.GridLayout;
import java.awt.Image;
import java.awt.Panel;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import test.java.awt.regtesthelpers.Util;
public class PaintSetEnabledDeadlock extends Frame {
final TestPanel panel;
final Button button;
public static void main(String[] args) {
PaintSetEnabledDeadlock frame = new PaintSetEnabledDeadlock();
frame.setSize(200, 200);
frame.setVisible(true);
Robot robot = Util.createRobot();
robot.setAutoDelay(100);
robot.setAutoWaitForIdle(true);
for (int i = 0; i < 20; ++i) {
Util.clickOnComp(frame.panel, robot);
Util.clickOnComp(frame.button, robot);
}
boolean ret = frame.panel.stop();
frame.dispose();
if (!ret) {
throw new RuntimeException("Test failed!");
}
System.out.println("Test passed.");
}
public PaintSetEnabledDeadlock() {
super("7108598 test");
setLayout(new GridLayout(1, 2));
addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
panel.stop();
System.exit(0);
}
});
panel = new TestPanel();
add(panel);
button = new Button("Enable");
button.addMouseListener(new MouseAdapter() {
@Override
public void mousePressed(MouseEvent e) {
panel.setEnabled(true);
panel.sync();
panel.repaint();
}
});
add(button);
}
}
class TestPanel extends Panel implements Runnable {
Image image = null;
Thread thread = null;
volatile boolean active = true;
final Object sync = new Object();
Panel panel = this;
public TestPanel() {
addMouseListener(new MouseAdapter() {
@Override
public void mouseReleased(MouseEvent e) {
synchronized (panel) {
sync();
panel.setEnabled(false);
}
panel.repaint();
}
});
thread = new Thread(this);
thread.start();
}
@Override
public void paint(Graphics paramGraphics) {
synchronized (getTreeLock()) {
Rectangle rect = getBounds();
if (image == null) {
image = createImage(rect.width, rect.height);
}
if (image != null) {
paramGraphics.drawImage(image, 0, 0, this);
}
}
}
@Override
public void run() {
while (active) {
try {
synchronized (sync) {
sync.wait();
}
} catch (InterruptedException ex) {
}
if (active) {
draw();
}
}
}
public boolean stop() {
active = false;
try {
sync();
thread.join(1000);
if (thread.isAlive()) {
thread.interrupt();
return false;
}
} catch (InterruptedException ex) {
return false;
}
return true;
}
public void draw() {
synchronized (getTreeLock()) {
if (image != null) {
Graphics localGraphics = image.getGraphics();
Dimension size = getSize();
localGraphics.setColor(isEnabled() ? Color.green : Color.red);
localGraphics.fillRect(0, 0, size.width, size.height);
super.paint(localGraphics);
localGraphics.dispose();
getTreeLock().notifyAll();
}
}
}
public void sync() {
synchronized (sync) {
sync.notify();
}
}
}
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