1 /*
   2  * Copyright (c) 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.
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  23 
  24 /*
  25   @test
  26   @bug 8154434
  27   @summary Open the request focus methods of the java.awt.Component which accept
  28            FocusEvent.Cause
  29   @run main RequestFocusByCauseTest
  30 */
  31 
  32 import java.awt.*;
  33 import java.awt.event.FocusEvent;
  34 import java.awt.event.FocusListener;
  35 
  36 public class RequestFocusByCauseTest {
  37     static boolean success;
  38 
  39     public static void main(String[] args) throws Exception {
  40         testRequestFocusCause();
  41         testRequestFocusTemporaryCause();
  42         testRequestFocusInWindowCause();
  43         System.out.println("ok");
  44     }
  45 
  46     private static void testRequestFocusCause() throws AWTException {
  47         Frame frame = new Frame();
  48         Component c = new Button();
  49         frame.add(new Button());
  50         frame.add(c);
  51         c.addFocusListener(new FocusListener() {
  52             @Override
  53             public void focusGained(FocusEvent e) {
  54                 success = e.getCause() == FocusEvent.Cause.UNEXPECTED;
  55             }
  56 
  57             @Override
  58             public void focusLost(FocusEvent e) {}
  59         });
  60         Robot robot = new Robot();
  61 
  62         try {
  63             frame.setVisible(true);
  64             robot.waitForIdle();
  65             robot.delay(200);
  66             success = false;
  67 
  68             c.requestFocus(FocusEvent.Cause.UNEXPECTED);
  69             robot.waitForIdle();
  70             robot.delay(200);
  71             if(!success) {
  72                 throw new RuntimeException("request failed");
  73             }
  74         } finally {
  75             frame.dispose();
  76         }
  77     }
  78 
  79     private static void testRequestFocusTemporaryCause() throws AWTException {
  80         Frame frame = new Frame();
  81         frame.add(new Button() {
  82             @Override
  83             protected boolean requestFocus(boolean temporary,
  84                                                        FocusEvent.Cause cause) {
  85                 success = cause == FocusEvent.Cause.ROLLBACK;
  86                 return super.requestFocus(temporary, cause);
  87             }
  88         });
  89         Component c = new Button() {
  90             @Override
  91             public void requestFocus() {
  92                 super.requestFocus();
  93                 setFocusable(false);
  94             }
  95         };
  96         frame.add(c);
  97         Robot robot = new Robot();
  98 
  99         try {
 100             frame.setVisible(true);
 101             robot.waitForIdle();
 102             robot.delay(200);
 103 
 104             success = false;
 105             c.requestFocus();
 106             robot.waitForIdle();
 107             robot.delay(200);
 108 
 109 
 110             if(!success) {
 111                 throw new RuntimeException("rollback request is not triggered");
 112             }
 113         } finally {
 114             frame.dispose();
 115         }
 116     }
 117 
 118     private static void testRequestFocusInWindowCause() throws AWTException {
 119         Frame frame = new Frame();
 120         Component c = new Button();
 121         frame.add(new Button());
 122         frame.add(c);
 123         c.addFocusListener(new FocusListener() {
 124             @Override
 125             public void focusGained(FocusEvent e) {
 126                 success = e.getCause() == FocusEvent.Cause.UNEXPECTED;
 127             }
 128 
 129             @Override
 130             public void focusLost(FocusEvent e) {
 131             }
 132         });
 133         Robot robot = new Robot();
 134 
 135         try {
 136             frame.setVisible(true);
 137             robot.waitForIdle();
 138             robot.delay(200);
 139             success = false;
 140 
 141             c.requestFocusInWindow(FocusEvent.Cause.UNEXPECTED);
 142             robot.waitForIdle();
 143             robot.delay(200);
 144             if (!success) {
 145                 throw new RuntimeException("request in window failed");
 146             }
 147         } finally {
 148             frame.dispose();
 149         }
 150     }
 151 }