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/*
* Copyright (c) 2012, 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 7154177 8285094
@summary An invisible owner frame should never become visible
@run main InvisibleOwner
*/
import java.awt.Color;
import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.Window;
import java.awt.event.InputEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
public class InvisibleOwner {
private static volatile boolean invisibleOwnerClicked = false;
private static volatile boolean backgroundClicked = false;
private static final int F_X = 200, F_Y = 200, F_W = 200, F_H = 200;
private static final int H_X = F_X - 10, H_Y = F_Y - 10, H_W = F_W + 20, H_H = F_H + 20;
private static final int C_X = F_X + F_W / 2, C_Y = F_Y + F_H / 2;
static final Color helperFrameBgColor = Color.blue;
static final Color invisibleFrameBgColor = Color.green;
static Frame invisibleFrame;
static Frame helperFrame;
static Window ownedWindow;
static Robot robot;
static void createUI() {
/* A background frame to compare a pixel color against
* It should be centered in the same location as the invisible
* frame but extend beyond its bounds.
*/
helperFrame = new Frame("Background frame");
helperFrame.setBackground(helperFrameBgColor);
helperFrame.setLocation(H_X, H_Y);
helperFrame.setSize(H_W, H_H);
System.out.println("Helper requested bounds : x=" +
H_X + " y="+ H_Y +" w="+ H_W +" h="+ H_H);
helperFrame.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent ev) {
System.out.println("Background helper frame clicked");
backgroundClicked = true;
}
});
helperFrame.setVisible(true);
/* An owner frame that should stay invisible but theoretical
* bounds are within the helper frame.
*/
invisibleFrame = new Frame("Invisible Frame");
invisibleFrame.setBackground(invisibleFrameBgColor);
invisibleFrame.setLocation(F_X, F_Y);
invisibleFrame.setSize(F_W, F_H);
invisibleFrame.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent ev) {
System.out.println("Invisible owner clicked");
invisibleOwnerClicked = true;
}
});
/* An owned window of the invisible frame that is located
* such that it does not overlap either the helper or
* the invisisible frame.
*/
ownedWindow = new Window(invisibleFrame);
ownedWindow.setBackground(Color.RED);
ownedWindow.setLocation(H_X+H_W+100, H_Y+H_W+100);
ownedWindow.setSize(100, 100);
ownedWindow.setVisible(true);
Toolkit.getDefaultToolkit().sync();
}
static void captureScreen() throws Exception {
System.out.println("Writing screen capture");
Rectangle screenRect = helperFrame.getGraphicsConfiguration().getBounds();
java.awt.image.BufferedImage bi = robot.createScreenCapture(screenRect);
javax.imageio.ImageIO.write(bi, "png", new java.io.File("screen_IO.png"));
}
public static void main(String[] args) throws Exception {
try {
EventQueue.invokeAndWait(() -> createUI());
robot = new Robot();
robot.waitForIdle();
robot.setAutoDelay(100);
robot.setAutoWaitForIdle(true);
Rectangle helperBounds = helperFrame.getBounds();
System.out.println("helperFrame bounds = " + helperBounds);
if (!helperBounds.contains(C_X, C_Y)) {
System.out.println("Helper not positioned where it needs to be");
return;
}
// Clicking the owned window shouldn't make its owner visible
Rectangle ownedWindowBounds = ownedWindow.getBounds();
robot.mouseMove(ownedWindowBounds.x + ownedWindowBounds.width / 2,
ownedWindowBounds.y + ownedWindowBounds.height / 2);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
robot.delay(1000);
// 1. Check the color at the center of the invisible & helper frame location
Color c = robot.getPixelColor(C_X, C_Y);
System.out.println("Sampled pixel at " + C_X +"," + C_Y);
System.out.println("Pixel color: " + c);
if (c == null) {
captureScreen();
throw new RuntimeException("Robot.getPixelColor() failed");
}
if (c.equals(invisibleFrameBgColor)) {
captureScreen();
throw new RuntimeException("The invisible frame has become visible");
}
if (!c.equals(helperFrameBgColor)) {
captureScreen();
throw new RuntimeException(
"Background frame was covered by something unexpected");
}
// 2. Try to click it - event should be delivered to the
// helper frame, not the invisible frame.
robot.mouseMove(C_X, C_Y);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
robot.delay(1000);
if (invisibleOwnerClicked) {
captureScreen();
throw new RuntimeException(
"The invisible owner frame got clicked. Looks like it became visible.");
}
if (!backgroundClicked) {
captureScreen();
throw new RuntimeException(
"The background helper frame hasn't been clicked");
}
} finally {
EventQueue.invokeAndWait(() -> {
if (ownedWindow != null) ownedWindow.dispose();
if (invisibleFrame != null) invisibleFrame.dispose();
if (helperFrame != null) helperFrame.dispose();
});
}
}
}
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