jdk-24/test/jdk/java/awt/dnd/MultiDataFlavorDropTest.java
2023-05-09 19:14:12 +00:00

416 lines
13 KiB
Java

/*
* Copyright (c) 2000, 2023, 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.
*/
import java.awt.Button;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.GridLayout;
import java.awt.List;
import java.awt.Panel;
import java.awt.Point;
import java.awt.Robot;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.awt.dnd.DnDConstants;
import java.awt.dnd.DragGestureEvent;
import java.awt.dnd.DragGestureListener;
import java.awt.dnd.DragSource;
import java.awt.dnd.DragSourceDragEvent;
import java.awt.dnd.DragSourceDropEvent;
import java.awt.dnd.DragSourceEvent;
import java.awt.dnd.DragSourceListener;
import java.awt.dnd.DropTarget;
import java.awt.dnd.DropTargetContext;
import java.awt.dnd.DropTargetDragEvent;
import java.awt.dnd.DropTargetDropEvent;
import java.awt.dnd.DropTargetEvent;
import java.awt.dnd.DropTargetListener;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import java.io.File;
import java.io.InputStream;
import java.io.Serializable;
/*
@test
@bug 4399700
@summary tests that drop transfer data can be requested in several data flavors.
@key headful
@run main MultiDataFlavorDropTest
*/
public class MultiDataFlavorDropTest {
public static final int CODE_NOT_RETURNED = -1;
public static final int CODE_OK = 0;
public static final int CODE_FAILURE = 1;
public static final int FRAME_ACTIVATION_TIMEOUT = 2000;
public static final int DROP_TIMEOUT = 10000;
public static final int DROP_COMPLETION_TIMEOUT = 1000;
private int returnCode = CODE_NOT_RETURNED;
volatile Frame frame;
volatile Robot robot;
volatile Panel panel;
volatile Point p;
volatile Dimension d;
public static void main(String[] args) throws Exception {
MultiDataFlavorDropTest test = new MultiDataFlavorDropTest();
if (args.length > 0) {
test.run(args);
} else {
EventQueue.invokeAndWait(test::init);
try {
test.start();
} finally {
EventQueue.invokeAndWait(() -> {
if (test.frame != null) {
test.frame.dispose();
}
});
}
}
}
public void run(String[] args) {
try {
if (args.length != 4) {
throw new RuntimeException("Incorrect command line arguments.");
}
int x = Integer.parseInt(args[0]);
int y = Integer.parseInt(args[1]);
int w = Integer.parseInt(args[2]);
int h = Integer.parseInt(args[3]);
Transferable t = new TransferableNumber();
panel = new DragSourcePanel(t);
frame = new Frame();
frame.setTitle("DragSource frame");
frame.setLocation(300, 200);
frame.add(panel);
frame.pack();
frame.setVisible(true);
Thread.sleep(FRAME_ACTIVATION_TIMEOUT);
Point sourcePoint = panel.getLocationOnScreen();
Dimension d = panel.getSize();
sourcePoint.translate(d.width / 2, d.height / 2);
Point targetPoint = new Point(x + w / 2, y + h / 2);
robot = new Robot();
robot.mouseMove(sourcePoint.x, sourcePoint.y);
robot.keyPress(KeyEvent.VK_CONTROL);
robot.mousePress(InputEvent.BUTTON1_MASK);
for (; !sourcePoint.equals(targetPoint);
sourcePoint.translate(sign(targetPoint.x - sourcePoint.x),
sign(targetPoint.y - sourcePoint.y))) {
robot.mouseMove(sourcePoint.x, sourcePoint.y);
Thread.sleep(10);
}
robot.mouseRelease(InputEvent.BUTTON1_MASK);
robot.keyRelease(KeyEvent.VK_CONTROL);
synchronized (t) {
t.wait(DROP_TIMEOUT);
}
Thread.sleep(DROP_COMPLETION_TIMEOUT);
} catch (Throwable e) {
e.printStackTrace();
System.exit(MultiDataFlavorDropTest.CODE_FAILURE);
}
System.exit(MultiDataFlavorDropTest.CODE_OK);
}
public static int sign(int n) {
return n < 0 ? -1 : n == 0 ? 0 : 1;
}
public void init() {
frame = new Frame();
panel = new DropTargetPanel();
frame.setTitle("MultiDataFlavorDropTest");
frame.setLocation(10, 200);
frame.add(panel);
frame.pack();
frame.setVisible(true);
}
public void start() throws Exception {
Thread.sleep(FRAME_ACTIVATION_TIMEOUT);
EventQueue.invokeAndWait(() -> {
p = panel.getLocationOnScreen();
d = panel.getSize();
});
String javaPath = System.getProperty("java.home", "");
String command = javaPath + File.separator + "bin" +
File.separator + "java -cp " + System.getProperty("test.classes", ".") +
" MultiDataFlavorDropTest " +
p.x + " " + p.y + " " + d.width + " " + d.height;
Process process = Runtime.getRuntime().exec(command);
returnCode = process.waitFor();
InputStream errorStream = process.getErrorStream();
int count = errorStream.available();
if (count > 0) {
byte[] b = new byte[count];
errorStream.read(b);
System.err.println("========= Child VM System.err ========");
System.err.print(new String(b));
System.err.println("======================================");
}
switch (returnCode) {
case CODE_NOT_RETURNED:
System.err.println("Child VM: failed to start");
break;
case CODE_OK:
System.err.println("Child VM: normal termination");
break;
case CODE_FAILURE:
System.err.println("Child VM: abnormal termination");
break;
}
if (returnCode != CODE_OK) {
throw new RuntimeException("The test failed.");
}
}
}
class DragSourceButton extends Button implements Serializable,
DragGestureListener,
DragSourceListener {
final Transferable transferable;
public DragSourceButton(Transferable t) {
super("DragSourceButton");
this.transferable = t;
DragSource ds = DragSource.getDefaultDragSource();
ds.createDefaultDragGestureRecognizer(this, DnDConstants.ACTION_COPY,
this);
}
public void dragGestureRecognized(DragGestureEvent dge) {
dge.startDrag(null, transferable, this);
}
public void dragEnter(DragSourceDragEvent dsde) {}
public void dragExit(DragSourceEvent dse) {}
public void dragOver(DragSourceDragEvent dsde) {}
public void dragDropEnd(DragSourceDropEvent dsde) {}
public void dropActionChanged(DragSourceDragEvent dsde) {}
}
class IntegerDataFlavor extends DataFlavor {
private final int number;
public IntegerDataFlavor(int n) throws ClassNotFoundException {
super("application/integer-" + n +
"; class=java.lang.Integer");
this.number = n;
}
public int getNumber() {
return number;
}
}
class TransferableNumber implements Transferable {
private int transferDataRequestCount = 0;
public static final int NUM_DATA_FLAVORS = 5;
static final DataFlavor[] supportedFlavors =
new DataFlavor[NUM_DATA_FLAVORS];
static {
try {
for (int i = 0; i < NUM_DATA_FLAVORS; i++) {
supportedFlavors[i] =
new IntegerDataFlavor(i);
}
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
}
public DataFlavor[] getTransferDataFlavors() {
return supportedFlavors;
}
public boolean isDataFlavorSupported(DataFlavor flavor) {
if (flavor instanceof IntegerDataFlavor) {
IntegerDataFlavor integerFlavor = (IntegerDataFlavor)flavor;
int flavorNumber = integerFlavor.getNumber();
if (flavorNumber >= 0 && flavorNumber < NUM_DATA_FLAVORS) {
return true;
}
}
return false;
}
public Object getTransferData(DataFlavor flavor)
throws UnsupportedFlavorException {
if (!isDataFlavorSupported(flavor)) {
throw new UnsupportedFlavorException(flavor);
}
transferDataRequestCount++;
if (transferDataRequestCount >= NUM_DATA_FLAVORS) {
synchronized (this) {
this.notifyAll();
}
}
IntegerDataFlavor integerFlavor = (IntegerDataFlavor)flavor;
return new Integer(integerFlavor.getNumber());
}
}
class DragSourcePanel extends Panel {
final Dimension preferredDimension = new Dimension(200, 200);
public DragSourcePanel(Transferable t) {
setLayout(new GridLayout(1, 1));
add(new DragSourceButton(t));
}
public Dimension getPreferredSize() {
return preferredDimension;
}
}
class DropTargetPanel extends Panel implements DropTargetListener {
final Dimension preferredDimension = new Dimension(200, 200);
public DropTargetPanel() {
setBackground(Color.green);
setDropTarget(new DropTarget(this, this));
setLayout(new GridLayout(1, 1));
}
public Dimension getPreferredSize() {
return preferredDimension;
}
public void dragEnter(DropTargetDragEvent dtde) {
dtde.acceptDrag(DnDConstants.ACTION_COPY);
}
public void dragExit(DropTargetEvent dte) {}
public void dragOver(DropTargetDragEvent dtde) {
dtde.acceptDrag(DnDConstants.ACTION_COPY);
}
public void drop(DropTargetDropEvent dtde) {
DropTargetContext dtc = dtde.getDropTargetContext();
if ((dtde.getSourceActions() & DnDConstants.ACTION_COPY) != 0) {
dtde.acceptDrop(DnDConstants.ACTION_COPY);
} else {
dtde.rejectDrop();
return;
}
removeAll();
final List list = new List();
add(list);
Transferable t = dtde.getTransferable();
DataFlavor[] dfs = t.getTransferDataFlavors();
if (dfs.length != TransferableNumber.NUM_DATA_FLAVORS) {
throw new RuntimeException("FAILED: Incorrect number of data flavors.");
}
for (int i = 0; i < dfs.length; i++) {
DataFlavor flavor = dfs[i];
Integer transferNumber = null;
if (flavor.getRepresentationClass().equals(Integer.class)) {
try {
transferNumber = (Integer)t.getTransferData(flavor);
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException("FAILED: Cannot get data: " +
flavor.getMimeType());
}
}
boolean supportedFlavor = false;
for (int j = 0; j < TransferableNumber.NUM_DATA_FLAVORS; j++) {
int number = (i + j) % TransferableNumber.NUM_DATA_FLAVORS;
try {
if (flavor.equals(new IntegerDataFlavor(number))) {
if (!(new Integer(number).equals(transferNumber))) {
throw new RuntimeException("FAILED: Invalid data \n" +
"\tflavor : " + flavor +
"\tdata : " + transferNumber);
}
supportedFlavor = true;
break;
}
} catch (ClassNotFoundException cannotHappen) {
}
}
if (!supportedFlavor) {
throw new RuntimeException("FAILED: Invalid flavor: " + flavor);
}
list.add(transferNumber + ":" + flavor.getMimeType());
}
dtc.dropComplete(true);
validate();
}
public void dropActionChanged(DropTargetDragEvent dtde) {}
}