1 /*
   2  * Copyright (c) 2008, 2016, 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   @author    Anton Tarasov: area=awt-focus
  30   @library   ../../regtesthelpers
  31   @build     Util
  32   @run       main IconifiedFrameFocusChangeTest
  33 */
  34 
  35 import java.awt.*;
  36 import java.applet.Applet;
  37 import java.awt.event.*;
  38 import test.java.awt.regtesthelpers.Util;
  39 
  40 public class IconifiedFrameFocusChangeTest extends Applet {
  41     Frame testFrame = new Frame("Test Frame");
  42     Frame otherFrame = new Frame("Other Frame");
  43     Button testButton = new Button("test button");
  44     Button otherButton = new Button("other button");
  45     Robot robot;
  46 
  47     public static void main(String[] args) {
  48         IconifiedFrameFocusChangeTest app = new IconifiedFrameFocusChangeTest();
  49         app.init();
  50         app.start();
  51     }
  52 
  53     public void init() {
  54         robot = Util.createRobot();
  55 
  56         testFrame.add(testButton);
  57         testFrame.pack();
  58         otherFrame.add(otherButton);
  59         otherFrame.pack();
  60         otherFrame.setLocation(200, 0);
  61 
  62         testButton.addFocusListener(new FocusAdapter() {
  63             public void focusLost(FocusEvent e) {
  64                 testButton.requestFocus();
  65             }
  66         });
  67     }
  68 
  69     public void start() {
  70         otherFrame.setVisible(true);
  71         Util.waitForIdle(robot);
  72         testFrame.setVisible(true);
  73         Util.waitForIdle(robot);
  74 
  75         robot.delay(1000); // additional delay is required
  76 
  77         if (!testButton.hasFocus()) {
  78             testButton.requestFocus();
  79             Util.waitForIdle(robot);
  80             if (!testButton.hasFocus()) {
  81                 throw new TestErrorException("couldn't focus " + testButton);
  82             }
  83         }
  84 
  85         /*
  86          * Iconify the Frame. Test that focus switches properly.
  87          */
  88         Runnable action = new Runnable() {
  89             public void run() {
  90                 testFrame.setExtendedState(Frame.ICONIFIED);
  91             }
  92         };
  93         if (!Util.trackFocusGained(otherButton, action, 2000, true)) {
  94             throw new TestFailedException("iconifying focused window didn't trigger focus change");
  95         }
  96 
  97         /*
  98          * Test that key events go into the focus owner.
  99          */
 100         action = new Runnable() {
 101             public void run() {
 102                 robot.keyPress(KeyEvent.VK_SPACE);
 103                 robot.delay(50);
 104                 robot.keyRelease(KeyEvent.VK_SPACE);
 105             }
 106         };
 107         if (!Util.trackActionPerformed(otherButton, action, 2000, true)) {
 108             throw new TestFailedException("Java focus owner doesn't match to the native one");
 109         }
 110 
 111         System.out.println("Test passed.");
 112     }
 113 }
 114 
 115 /**
 116  * Thrown when the behavior being verified is found wrong.
 117  */
 118 class TestFailedException extends RuntimeException {
 119     TestFailedException(String msg) {
 120         super("Test failed: " + msg);
 121     }
 122 }
 123 
 124 /**
 125  * Thrown when an error not related to the behavior being verified is encountered.
 126  */
 127 class TestErrorException extends RuntimeException {
 128     TestErrorException(String msg) {
 129         super("Unexpected error: " + msg);
 130     }
 131 }