| /* |
| * Copyright 2007-2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| /* @test |
| * |
| * @bug 6608456 |
| * @author Igor Kushnirskiy |
| * @summary tests if delegate RepaintManager gets invoked. |
| */ |
| |
| import java.awt.*; |
| import java.lang.reflect.Method; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.FutureTask; |
| import java.util.concurrent.TimeUnit; |
| |
| import javax.swing.JComponent; |
| import javax.swing.JButton; |
| import javax.swing.JFrame; |
| import javax.swing.RepaintManager; |
| import javax.swing.SwingUtilities; |
| |
| |
| |
| public class bug6608456 { |
| private static final TestFuture testFuture = new TestFuture(); |
| public static void main(String[] args) throws Exception { |
| final JComponent component = invokeAndWait( |
| new Callable<JComponent>() { |
| public JComponent call() throws Exception { |
| RepaintManager.setCurrentManager(new TestRepaintManager()); |
| JFrame frame = new JFrame("test"); |
| frame.setLayout(new FlowLayout()); |
| JButton button = new JButton("default"); |
| |
| frame.add(button); |
| button = new JButton("delegate"); |
| if ( ! registerDelegate( |
| button, new TestRepaintManager())) { |
| return null; |
| } |
| frame.add(button); |
| frame.pack(); |
| frame.setVisible(true); |
| return button; |
| } |
| }); |
| if (component == null) { |
| throw new RuntimeException("failed. can not register delegate"); |
| } |
| blockTillDisplayed(component); |
| // trigger repaint for delegate RepaintManager |
| invokeAndWait( |
| new Callable<Void>() { |
| public Void call() { |
| component.repaint(); |
| return null; |
| } |
| }); |
| try { |
| if (testFuture.get(10, TimeUnit.SECONDS)) { |
| // passed |
| } |
| } catch (Exception e) { |
| throw new RuntimeException("failed", e); |
| } finally { |
| JFrame frame = (JFrame) SwingUtilities |
| .getAncestorOfClass(JFrame.class, component); |
| if (frame != null) { |
| frame.dispose(); |
| } |
| } |
| } |
| static class TestRepaintManager extends RepaintManager { |
| @Override |
| public void addDirtyRegion(JComponent c, int x, int y, int w, int h) { |
| if (RepaintManager.currentManager(c) == this) { |
| testFuture.defaultCalled(); |
| } else { |
| testFuture.delegateCalled(); |
| } |
| super.addDirtyRegion(c, x, y, w, h); |
| } |
| } |
| static class TestFuture extends FutureTask<Boolean> { |
| private volatile boolean defaultCalled = false; |
| private volatile boolean delegateCalled = false; |
| public TestFuture() { |
| super(new Callable<Boolean>() { |
| public Boolean call() { |
| return null; |
| } |
| }); |
| } |
| public void defaultCalled() { |
| defaultCalled = true; |
| updateState(); |
| } |
| public void delegateCalled() { |
| delegateCalled = true; |
| updateState(); |
| } |
| private void updateState() { |
| if (defaultCalled && delegateCalled) { |
| set(Boolean.TRUE); |
| } |
| } |
| } |
| |
| private static boolean registerDelegate(JComponent c, |
| RepaintManager repaintManager) { |
| boolean rv = false; |
| try { |
| Class<?> clazz = Class.forName("com.sun.java.swing.SwingUtilities3"); |
| Method method = clazz.getMethod("setDelegateRepaintManager", |
| JComponent.class, RepaintManager.class); |
| method.invoke(clazz, c, repaintManager); |
| rv = true; |
| } catch (Exception ignore) { |
| } |
| return rv; |
| } |
| static <T> T invokeAndWait(Callable<T> callable) throws Exception { |
| FutureTask<T> future = new FutureTask<T>(callable); |
| SwingUtilities.invokeLater(future); |
| return future.get(); |
| } |
| |
| public static void blockTillDisplayed(Component comp) { |
| Point p = null; |
| while (p == null) { |
| try { |
| p = comp.getLocationOnScreen(); |
| } catch (IllegalStateException e) { |
| try { |
| Thread.sleep(100); |
| } catch (InterruptedException ie) { |
| } |
| } |
| } |
| } |
| } |