/*

 * Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.

 * 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.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @key headful

 * @bug 4977491 8160767

 * @summary State changes should always be reported as events

 * @run main MaximizedToIconified

 */

/*

 * MaximizedToIconified.java

 *

 * summary:  Invoking setExtendedState(ICONIFIED) on a maximized

 *           frame should not combine the maximized and iconified

 *           states in the newState of the state change event.

 */

import java.awt.Frame;

import java.awt.Robot;

import java.awt.Toolkit;

import java.awt.event.WindowEvent;

import java.awt.event.WindowStateListener;

public class MaximizedToIconified

{

    static volatile int lastFrameState = Frame.NORMAL;

    static volatile boolean failed = false;

    static volatile Toolkit myKit;

    private static Robot robot;

    private static void checkState(Frame frame, int state) {

        frame.setExtendedState(state);

        robot.waitForIdle();

        robot.delay(100);

        System.out.println("state = " + state + "; getExtendedState() = " + frame.getExtendedState());

        if (failed) {

            frame.dispose();

            throw new RuntimeException("getOldState() != previous getNewState() in WINDOW_STATE_CHANGED event.");

        }

        if (lastFrameState != frame.getExtendedState()) {

            frame.dispose();

            throw new RuntimeException("getExtendedState() != last getNewState() in WINDOW_STATE_CHANGED event.");

        }

        if (frame.getExtendedState() != state) {

            frame.dispose();

            throw new RuntimeException("getExtendedState() != " + state + " as expected.");

        }

    }

    private static void examineStates(int states[]) {

        Frame frame = new Frame("test");

        frame.setSize(200, 200);

        frame.setVisible(true);

        robot.waitForIdle();

        frame.addWindowStateListener(new WindowStateListener() {

            public void windowStateChanged(WindowEvent e) {

                System.out.println("last = " + lastFrameState + "; getOldState() = " + e.getOldState() +

                        "; getNewState() = " + e.getNewState());

                if (e.getOldState() == lastFrameState) {

                    lastFrameState = e.getNewState();

                } else {

                    System.out.println("Wrong getOldState(): expected = " + lastFrameState + "; received = " +

                            e.getOldState());

                    failed = true;

                }

            }

        });

        for (int state : states) {

            if (myKit.isFrameStateSupported(state)) {

                checkState(frame, state);

            } else {

                System.out.println("Frame state = " + state + " is NOT supported by the native system. The state is skipped.");

            }

        }

        if (frame != null) {

            frame.dispose();

        }

    }

    private static void doTest() {

        myKit = Toolkit.getDefaultToolkit();

        // NOTE! Compound states (like MAXIMIZED_BOTH | ICONIFIED) CANNOT be used,

        //    because Toolkit.isFrameStateSupported() method reports these states

        //    as not supported. And such states will simply be skipped.

        examineStates(new int[] {Frame.MAXIMIZED_BOTH, Frame.ICONIFIED, Frame.NORMAL});

        examineStates(new int[] {Frame.ICONIFIED, Frame.MAXIMIZED_BOTH, Frame.NORMAL});

    }

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

    {

        robot = new Robot();

        doTest();

    }

}