/*

 * Copyright (c) 2014, 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.

 */

import java.awt.*;

import java.awt.event.KeyEvent;

/*

  @test

  @summary verify LOCK buttons toogle

  @author Yuri.Nesterenko, Dmitriy.Ermashov

  @library ../../../../lib/testlibrary

  @build ExtendedRobot

  @run main LockingKeyStateTest

*/

public class LockingKeyStateTest {

    Frame frame;

    ExtendedRobot robot;

    // Note that Kana lock you may actually toggle only if you have one.

    static int[] lockingKeys = { KeyEvent.VK_CAPS_LOCK, KeyEvent.VK_NUM_LOCK,

            KeyEvent.VK_SCROLL_LOCK, KeyEvent.VK_KANA_LOCK };

    boolean[] getSupported = new boolean[lockingKeys.length];

    boolean[] setSupported = new boolean[lockingKeys.length];

    boolean[] state0 = new boolean[lockingKeys.length];

    Toolkit toolkit = Toolkit.getDefaultToolkit();

    LockingKeyStateTest() throws Exception {

        robot = new ExtendedRobot();

        EventQueue.invokeAndWait( this::createGui );

    }

    void toggleAllTrue(){toggleAll(true);}

    void toggleAllFalse(){toggleAll(false);}

    void toggleAll(boolean b) {

        for(int i = 0; i < lockingKeys.length; i++) {

            if(setSupported[i]) {

                toolkit.setLockingKeyState(lockingKeys[i], b);

            }

        }

    }

    void checkAllTrue(){checkAll(true);}

    void checkAllFalse(){checkAll(false);}

    void checkAll(boolean b) {

        for(int i = 0; i < lockingKeys.length; i++) {

            if(getSupported[i]  && setSupported[i]) {

                if (!(toolkit.getLockingKeyState(lockingKeys[i]) == b))

                    throw new RuntimeException("State of "+KeyEvent.getKeyText(lockingKeys[i])+" is not "+b);

                System.out.println("OK, state of "+KeyEvent.getKeyText(lockingKeys[i])+" is "+b);

            }

        }

    }

    void restoreAll() {

        for(int i = 0; i < lockingKeys.length; i++) {

            if(setSupported[i] && getSupported[i]) {

                toolkit.setLockingKeyState(lockingKeys[i], state0[i]);

            }

        }

    }

    public void createGui() {

        for(int i = 0; i < lockingKeys.length; i++) {

            getSupported[i] = false;

            setSupported[i] = false;

            try {

                state0[i] = toolkit.getLockingKeyState(lockingKeys[i]);

                getSupported[i] = true;

                toolkit.setLockingKeyState(lockingKeys[i], state0[i]);

                setSupported[i] = true;

            } catch (UnsupportedOperationException uoe) {

            }

            System.out.println(" State get/set of "+KeyEvent.getKeyText(lockingKeys[i])+" is supported? "+

                    getSupported[i]+", "+setSupported[i]);

        }

        frame = new Frame("LockingKeyStateTest Title");

        frame.setSize(200,200);

        frame.setVisible(true);

    }

    void doTest() throws Exception{

        robot.waitForIdle();

        robot.mouseMove(frame.getLocationOnScreen().x + frame.getWidth() / 2,

                frame.getLocationOnScreen().y + frame.getHeight() / 2);

        robot.click();

        EventQueue.invokeAndWait( this::toggleAllTrue );

        robot.waitForIdle(2000);

        EventQueue.invokeAndWait( this::checkAllTrue );

        EventQueue.invokeAndWait( this::toggleAllFalse );

        robot.waitForIdle(2000);

        EventQueue.invokeAndWait( this::checkAllFalse );

        EventQueue.invokeAndWait( this::restoreAll );

        robot.waitForIdle();

        frame.dispose();

    }

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

        LockingKeyStateTest af = new LockingKeyStateTest();

        af.doTest();

    }

}