1 /*
   2  * Copyright (c) 2008, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25   @test
  26   @key headful
  27   @bug       6522725
  28   @summary   Tests for proper request-focus-back on FOCUS_LOST.
  29   @library   ../../regtesthelpers
  30   @build     Util
  31   @run       main IconifiedFrameFocusChangeTest
  32 */
  33 
  34 import java.awt.*;
  35 import java.awt.event.*;
  36 import test.java.awt.regtesthelpers.Util;
  37 
  38 public class IconifiedFrameFocusChangeTest {
  39     Frame testFrame = new Frame("Test Frame");
  40     Frame otherFrame = new Frame("Other Frame");
  41     Button testButton = new Button("test button");
  42     Button otherButton = new Button("other button");
  43     Robot robot;
  44 
  45     public static void main(String[] args) {
  46         IconifiedFrameFocusChangeTest app = new IconifiedFrameFocusChangeTest();
  47         app.init();
  48         app.start();
  49     }
  50 
  51     public void init() {
  52         robot = Util.createRobot();
  53 
  54         testFrame.add(testButton);
  55         testFrame.pack();
  56         otherFrame.add(otherButton);
  57         otherFrame.pack();
  58         otherFrame.setLocation(200, 0);
  59 
  60         testButton.addFocusListener(new FocusAdapter() {
  61             public void focusLost(FocusEvent e) {
  62                 testButton.requestFocus();
  63             }
  64         });
  65     }
  66 
  67     public void start() {
  68         otherFrame.setVisible(true);
  69         Util.waitForIdle(robot);
  70         testFrame.setVisible(true);
  71         Util.waitForIdle(robot);
  72 
  73         robot.delay(1000); // additional delay is required
  74 
  75         if (!testButton.hasFocus()) {
  76             testButton.requestFocus();
  77             Util.waitForIdle(robot);
  78             if (!testButton.hasFocus()) {
  79                 throw new TestErrorException("couldn't focus " + testButton);
  80             }
  81         }
  82 
  83         /*
  84          * Iconify the Frame. Test that focus switches properly.
  85          */
  86         Runnable action = new Runnable() {
  87             public void run() {
  88                 testFrame.setExtendedState(Frame.ICONIFIED);
  89             }
  90         };
  91         if (!Util.trackFocusGained(otherButton, action, 2000, true)) {
  92             throw new TestFailedException("iconifying focused window didn't trigger focus change");
  93         }
  94 
  95         /*
  96          * Test that key events go into the focus owner.
  97          */
  98         action = new Runnable() {
  99             public void run() {
 100                 robot.keyPress(KeyEvent.VK_SPACE);
 101                 robot.delay(50);
 102                 robot.keyRelease(KeyEvent.VK_SPACE);
 103             }
 104         };
 105         if (!Util.trackActionPerformed(otherButton, action, 2000, true)) {
 106             throw new TestFailedException("Java focus owner doesn't match to the native one");
 107         }
 108 
 109         System.out.println("Test passed.");
 110     }
 111 }
 112 
 113 /**
 114  * Thrown when the behavior being verified is found wrong.
 115  */
 116 class TestFailedException extends RuntimeException {
 117     TestFailedException(String msg) {
 118         super("Test failed: " + msg);
 119     }
 120 }
 121 
 122 /**
 123  * Thrown when an error not related to the behavior being verified is encountered.
 124  */
 125 class TestErrorException extends RuntimeException {
 126     TestErrorException(String msg) {
 127         super("Unexpected error: " + msg);
 128     }
 129 }