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/*
* Copyright (c) 2013, 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 8029979
* @summary Checks if acceptDrop() can be called several times
* @library ../../regtesthelpers
* @build Util
* @compile AcceptDropMultipleTimes.java
* @run main/othervm AcceptDropMultipleTimes
* @author anthony.petrov@oracle.com
*/
import test.java.awt.regtesthelpers.Util;
import java.awt.Color;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.Panel;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.datatransfer.StringSelection;
import java.awt.dnd.DnDConstants;
import java.awt.dnd.DragGestureEvent;
import java.awt.dnd.DragGestureListener;
import java.awt.dnd.DragSource;
import java.awt.dnd.DropTarget;
import java.awt.dnd.DropTargetAdapter;
import java.awt.dnd.DropTargetDropEvent;
import java.awt.event.InputEvent;
import java.io.File;
import java.io.IOException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
import javax.imageio.ImageIO;
import javax.swing.SwingUtilities;
public class AcceptDropMultipleTimes {
private static final int FRAME_SIZE = 100;
private static CountDownLatch dropCompleteLatch = new CountDownLatch(1);
private static volatile Frame f;
private static void initAndShowUI() {
f = new Frame("Test frame");
f.setSize(FRAME_SIZE, FRAME_SIZE);
f.setLocationRelativeTo(null);
f.setUndecorated(true);
final DraggablePanel dragSource = new DraggablePanel();
dragSource.setBackground(Color.yellow);
DropTarget dt = new DropTarget(dragSource, new DropTargetAdapter() {
@Override public void drop(DropTargetDropEvent dtde) {
// The first call always succeeds
dtde.acceptDrop(DnDConstants.ACTION_COPY);
// The second call should succeed if the fix works
dtde.acceptDrop(DnDConstants.ACTION_MOVE);
dtde.dropComplete(true);
dropCompleteLatch.countDown();
}
});
dragSource.setDropTarget(dt);
f.add(dragSource);
f.setAlwaysOnTop(true);
f.setVisible(true);
}
public static void main(String[] args) throws Throwable {
try {
SwingUtilities.invokeAndWait(() -> initAndShowUI());
Robot r = new Robot();
r.setAutoDelay(50);
Util.waitForIdle(r);
final AtomicReference<Point> frameLoc = new AtomicReference<>();
SwingUtilities.invokeAndWait(() -> frameLoc.set(f.getLocationOnScreen()));
Point loc = frameLoc.get();
Util.drag(r,
new Point(loc.x + FRAME_SIZE / 3, loc.y + FRAME_SIZE / 3),
new Point(loc.x + FRAME_SIZE / 3 * 2, loc.y + FRAME_SIZE / 3 * 2),
InputEvent.BUTTON1_DOWN_MASK);
Util.waitForIdle(r);
if(!dropCompleteLatch.await(10, TimeUnit.SECONDS)) {
captureScreen(r);
throw new RuntimeException("Waited too long, but the drop is not completed");
}
} finally {
if (f != null) {
f.dispose();
}
}
}
private static void captureScreen(Robot r) {
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
try {
ImageIO.write(
r.createScreenCapture(new Rectangle(0, 0, screenSize.width, screenSize.height)),
"png",
new File("FailedScreenImage.png")
);
} catch (IOException ignore) {
}
}
private static class DraggablePanel extends Panel implements DragGestureListener {
public DraggablePanel() {
(new DragSource()).createDefaultDragGestureRecognizer(this, DnDConstants.ACTION_COPY, this);
}
@Override
public void dragGestureRecognized(DragGestureEvent dge) {
dge.startDrag(Cursor.getDefaultCursor(), new StringSelection("test"));
}
}
}
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