/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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 * questions.
 */

 /*
 @test
 @bug 6211389
 @summary Verify MostRecentFocusOwner when Window Gained Focus.
 @run main MostRecentFocusOwnerTest
 */
import java.awt.Component;
import java.awt.Frame;
import java.awt.Robot;
import java.awt.TextArea;
import java.awt.TextField;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

public class MostRecentFocusOwnerTest {

    private static Component focusComponent = null;
    private static Frame frame;
    private static TextArea textArea;
    private static TextField textField;

    private static void CreateAndShowUI() {

        frame = new Frame("Test");
        frame.setLayout(new java.awt.FlowLayout());
        textArea = new TextArea("TextArea", 5, 10);
        textField = new TextField("TextField", 10);

        frame.add(textArea);
        frame.add(textField);
        frame.pack();

        frame.addWindowFocusListener(new WindowAdapter() {
            public void windowGainedFocus(WindowEvent e) {
                focusComponent = frame.getMostRecentFocusOwner();
            }

        });
        frame.setVisible(true);

    }

    public static void main(String[] args) throws Exception {

        CreateAndShowUI();

        Robot robot = new Robot();
        frame.setExtendedState(Frame.ICONIFIED);
        robot.waitForIdle();
        frame.setExtendedState(Frame.NORMAL);
        robot.waitForIdle();
        if (focusComponent != textArea) {
            throw new RuntimeException("MostRecentFocusOwner is Null"
                    + " When window GainedFocus");
        }

        robot.waitForIdle();
        textField.requestFocus();
        frame.setExtendedState(Frame.ICONIFIED);
        robot.waitForIdle();
        frame.setExtendedState(Frame.NORMAL);
        robot.waitForIdle();
        if (focusComponent != textField) {
            throw new RuntimeException("MostRecentFocusOwner is Null"
                    + " When window GainedFocus");
        }

        frame.dispose();

    }

}