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/*
* Copyright (c) 2013, 2022, 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 8024163
* @summary Checks that dragExit is generated when the new DropTarget is created under the drag
* @library ../../regtesthelpers
* @build Util
* @compile MissedDragExitTest.java
* @run main/othervm MissedDragExitTest
* @author Petr Pchelko
*/
import test.java.awt.regtesthelpers.Util;
import java.awt.Color;
import java.awt.Cursor;
import java.awt.Frame;
import java.awt.Panel;
import java.awt.Point;
import java.awt.Robot;
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.DropTargetDragEvent;
import java.awt.dnd.DropTargetDropEvent;
import java.awt.dnd.DropTargetEvent;
import java.awt.event.InputEvent;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import javax.swing.SwingUtilities;
public class MissedDragExitTest {
private static final int FRAME_SIZE = 100;
private static final int FRAME_LOCATION = 100;
private static volatile Frame f;
private static CountDownLatch dragLatch = new CountDownLatch(2);
private static void initAndShowUI() {
f = new Frame("Test frame");
f.setUndecorated(true);
f.setBounds(FRAME_LOCATION,FRAME_LOCATION,FRAME_SIZE,FRAME_SIZE);
final DraggablePanel dragSource = new DraggablePanel();
dragSource.setBackground(Color.yellow);
DropTarget dt = new DropTarget(dragSource, new DropTargetAdapter() {
@Override public void drop(DropTargetDropEvent dtde) { }
@Override
public void dragExit(DropTargetEvent dte) {
System.out.println("Drag Exit");
dragLatch.countDown();
}
@Override
public void dragOver(DropTargetDragEvent dtde) {
Panel newDropTargetPanel = new Panel();
final DropTarget dropTarget = new DropTarget(null,new DropTargetAdapter() {
@Override
public void drop(DropTargetDropEvent dtde) {
System.out.println("Drop complete");
dragLatch.countDown();
}
});
newDropTargetPanel.setDropTarget(dropTarget);
newDropTargetPanel.setBackground(Color.red);
newDropTargetPanel.setSize(FRAME_SIZE, FRAME_SIZE);
dragSource.add(newDropTargetPanel);
}
});
dragSource.setDropTarget(dt);
f.add(dragSource);
f.setAlwaysOnTop(true);
f.setVisible(true);
}
public static void main(String[] args) throws Throwable {
try {
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
initAndShowUI();
}
});
Robot r = new Robot();
Util.waitForIdle(r);
Util.drag(r,
new Point(FRAME_LOCATION + FRAME_SIZE / 3, FRAME_LOCATION + FRAME_SIZE / 3),
new Point(FRAME_LOCATION + FRAME_SIZE / 3 * 2, FRAME_LOCATION + FRAME_SIZE / 3 * 2),
InputEvent.BUTTON1_DOWN_MASK);
Util.waitForIdle(r);
if(!dragLatch.await(10, TimeUnit.SECONDS)) {
throw new RuntimeException("Failed. Drag exit was not called" );
}
} finally {
if (f != null) {
f.dispose();
}
}
}
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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