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. 22 */ 23 24 /* 25 @test 26 @bug 6211389 27 @summary Verify MostRecentFocusOwner when Window Gained Focus. 28 @run main MostRecentFocusOwnerTest 29 */ 30 import java.awt.Component; 31 import java.awt.Frame; 32 import java.awt.Robot; 33 import java.awt.TextArea; 34 import java.awt.TextField; 35 import java.awt.event.WindowAdapter; 36 import java.awt.event.WindowEvent; 37 38 public class MostRecentFocusOwnerTest { 39 40 private static Component focusComponent = null; 41 private static Frame frame; 42 private static TextArea textArea; 43 private static TextField textField; 44 45 private static void CreateAndShowUI() { 46 47 frame = new Frame("Test"); 48 frame.setLayout(new java.awt.FlowLayout()); 49 textArea = new TextArea("TextArea", 5, 10); 50 textField = new TextField("TextField", 10); 51 52 frame.add(textArea); 53 frame.add(textField); 54 frame.pack(); 55 56 frame.addWindowFocusListener(new WindowAdapter() { 57 public void windowGainedFocus(WindowEvent e) { 58 focusComponent = frame.getMostRecentFocusOwner(); 59 } 60 61 }); 62 frame.setVisible(true); 63 64 } 65 66 public static void main(String[] args) throws Exception { 67 68 CreateAndShowUI(); 69 70 Robot robot = new Robot(); 71 frame.setExtendedState(Frame.ICONIFIED); 72 robot.waitForIdle(); 73 frame.setExtendedState(Frame.NORMAL); 74 robot.waitForIdle(); 75 if (focusComponent != textArea) { 76 throw new RuntimeException("MostRecentFocusOwner is Null" 77 + " When window GainedFocus"); 78 } 79 80 robot.waitForIdle(); 81 textField.requestFocus(); 82 frame.setExtendedState(Frame.ICONIFIED); 83 robot.waitForIdle(); 84 frame.setExtendedState(Frame.NORMAL); 85 robot.waitForIdle(); 86 if (focusComponent != textField) { 87 throw new RuntimeException("MostRecentFocusOwner is Null" 88 + " When window GainedFocus"); 89 } 90 91 frame.dispose(); 92 93 } 94 95 }