256 lines
8.9 KiB
Java
256 lines
8.9 KiB
Java
/*
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* Copyright (c) 2015, 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @key headful
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* @bug 8021961
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* @summary To test setAlwaysOnTop functionality.
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* @run main/othervm -Dsun.java2d.uiScale=1 ChildAlwaysOnTopTest
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*/
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import java.awt.Color;
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import java.awt.Dialog;
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import java.awt.Frame;
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import java.awt.Window;
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import java.awt.Rectangle;
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import java.awt.Robot;
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import java.awt.Panel;
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import java.awt.Point;
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import java.awt.Toolkit;
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import java.awt.image.BufferedImage;
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import java.io.File;
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import java.io.IOException;
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import javax.imageio.ImageIO;
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import javax.swing.JDialog;
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import javax.swing.JLabel;
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import javax.swing.SwingUtilities;
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public class ChildAlwaysOnTopTest {
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private static Window win1;
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private static Window win2;
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private static Point point;
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private static Robot robot;
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private static int caseNo = 0;
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private static StringBuffer errorLog = new StringBuffer();
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private static String[] errorMsg= new String[] {
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" Scenario 1 Failed: alwaysOnTop window is sent back by another" +
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" child window with setVisible().",
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" Scenario 2 Failed: alwaysOnTop window is" +
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" sent back by another child window with toFront().",
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" Scenario 3 Failed: Failed to unset alwaysOnTop ",
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};
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public static void main(String[] args) throws Exception {
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if (!Toolkit.getDefaultToolkit().isAlwaysOnTopSupported()) {
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System.out.println("alwaysOnTop not supported by: "+
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Toolkit.getDefaultToolkit().getClass().getName());
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return;
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}
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// CASE 1 - JDialog without parent/owner
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System.out.println("Testing CASE 1: JDialog without parent/owner");
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caseNo = 1;
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test(null);
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System.out.println("CASE 1 Completed");
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System.out.println();
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// CASE 2 - JDialog with JFrame as owner
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System.out.println("Testing CASE 2: JDialog with JFrame as owner");
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caseNo = 2;
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Window f = new Frame();
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f.setBackground(Color.darkGray);
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f.setSize(500, 500);
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try {
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test(f);
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} finally {
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f.dispose();
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}
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System.out.println("CASE 2 Completed");
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System.out.println();
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// CASE 3 - JDialog within another JDialog as owner
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System.out.println("Testing CASE 3:Dialog within another"+
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" JDialog as owner");
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caseNo = 3;
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f = new Frame();
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f.setBackground(Color.darkGray);
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f.setSize(500, 500);
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f.setVisible(true);
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f = new Dialog((Frame)f);
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try {
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test(f);
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} finally {
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((Frame)f.getParent()).dispose();
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}
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System.out.println("CASE 3 Completed");
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System.out.println();
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if (errorLog.isEmpty()) {
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System.out.println("All three cases passed !!");
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}
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else {
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throw new RuntimeException("Following cases and scenarios failed."+
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" Please check the saved screenshots.\n"+ errorLog);
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}
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}
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public static void test(Window parent) throws Exception {
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try {
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SwingUtilities.invokeAndWait(new Runnable() {
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@Override
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public void run() {
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win1 = parent == null ? new JDialog() : new JDialog(parent);
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win1.setName("Top");
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win2 = parent == null ? new JDialog() : new JDialog(parent);
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win2.setName("Behind");
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JLabel label = new JLabel("TOP WINDOW");
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// top window - green and smaller
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win1.setSize(200, 200);
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Panel panel = new Panel();
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panel.setBackground(Color.GREEN);
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panel.add(label);
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win1.add(panel);
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win1.setAlwaysOnTop(true);
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// behind window - red and bigger
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label = new JLabel("BEHIND WINDOW");
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win2.setSize(300, 300);
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panel = new Panel();
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panel.setBackground(Color.RED);
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panel.add(label);
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win2.add(panel);
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win1.setVisible(true);
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win2.setVisible(true);
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}
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});
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robot = new Robot();
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robot.setAutoDelay(300);
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robot.waitForIdle();
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// Scenario 1: Trying to unset the alwaysOnTop (green window)
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// by setting the setVisible to true for behind (red) window
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System.out.println(" >> Testing Scenario 1 ...");
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SwingUtilities.invokeAndWait(()-> {
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point = win1.getLocationOnScreen();
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win2.setVisible(true);
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});
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checkTopWindow(caseNo, 1, Color.GREEN);
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/*---------------------------------------------------------------*/
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// Scenario 2: Trying to unset the alwaysOnTop (green window)
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// by setting toFront() to true for behind (red) window
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System.out.println(" >> Testing Scenario 2 ...");
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SwingUtilities.invokeAndWait(()-> {
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win2.toFront();
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if (parent != null) {
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parent.setLocation(win1.getLocation());
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parent.toFront();
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}
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});
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checkTopWindow(caseNo, 2, Color.GREEN);
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/*----------------------------------------------------------------*/
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// Scenario 3: Trying to unset the alwaysOnTop (green window)
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// by setting alwaysOnTop to false. The unsetting should work
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// in this case and bring the red window to the top.
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System.out.println(" >> Testing Scenario 3 ...");
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SwingUtilities.invokeAndWait(new Runnable() {
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@Override
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public void run() {
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win1.setAlwaysOnTop(false);
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if (parent != null) {
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parent.setVisible(false);
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parent.setVisible(true);
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}
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}
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});
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robot.delay(300);
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robot.waitForIdle();
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SwingUtilities.invokeAndWait(new Runnable() {
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@Override
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public void run() {
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win2.toFront();
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}
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});
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checkTopWindow(caseNo, 3, Color.RED);
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} finally {
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if (win1 != null) {
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SwingUtilities.invokeAndWait(()-> win1.dispose());
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}
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if (win2 != null) {
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SwingUtilities.invokeAndWait(()-> win2.dispose());
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}
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}
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}
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// to check if the current top window background color
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// matches the expected color
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private static void checkTopWindow(int caseNo, int scenarioNo,
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Color expectedColor) {
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robot.delay(500);
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robot.waitForIdle();
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Color actualColor = robot.getPixelColor(point.x + 100, point.y + 100);
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saveScreenCapture(caseNo , scenarioNo);
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if (!actualColor.equals(expectedColor)) {
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System.out.println(" >> Scenario "+ scenarioNo +" FAILED !!");
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errorLog.append("Case "+ caseNo + errorMsg[scenarioNo - 1]
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+" Expected Color: "+ expectedColor +" vs Actual Color: "
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+ actualColor +"\n");
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}
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else {
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System.out.println(" >> Scenario "+ scenarioNo +" Passed");
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}
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}
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// For Debugging purpose - method used to save the screen capture as
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// BufferedImage in the event the test fails
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private static void saveScreenCapture(int caseNo, int scenarioNo) {
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String filename = "img_"+ caseNo +"_"+ scenarioNo;
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BufferedImage image = robot.createScreenCapture(
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new Rectangle(0, 0, 500, 500));
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try {
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ImageIO.write(image, "png", new File(filename));
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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} |