/*

 * Copyright (c) 2012, 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 4962534

  @summary JFrame dances very badly

  @run main bug4962534

 */

import java.awt.*;

import java.awt.event.*;

import java.util.Random;

import javax.swing.*;

public class bug4962534 {

    Robot robot;

    volatile Point framePosition;

    volatile Point newFrameLocation;

    JFrame frame;

    Rectangle gcBounds;

    Component titleComponent;

    JLayeredPane lPane;

    volatile boolean titleFound = false;

    public static Object LOCK = new Object();

    public static void main(final String[] args) {

        bug4962534 app = new bug4962534();

        app.init();

        app.start();

    }

    public void init() {

        try {

            SwingUtilities.invokeAndWait(new Runnable() {

                @Override

                public void run() {

                    createAndShowGUI();

                }

            });

        } catch (Exception ex) {

            throw new RuntimeException("Init failed. " + ex.getMessage());

        }

    }//End  init()

    public void start() {

        try {

            setJLayeredPaneEDT();

            setTitleComponentEDT();

        } catch (Exception ex) {

            ex.printStackTrace();

            throw new RuntimeException("Test failed. " + ex.getMessage());

        }

        if (!titleFound) {

            throw new RuntimeException("Test Failed. Unable to determine title's size.");

        }

        Random r = new Random();

        for (int iteration = 0; iteration < 10; iteration++) {

            try {

                setFramePosEDT();

            } catch (Exception ex) {

                ex.printStackTrace();

                throw new RuntimeException("Test failed.");

            }

            try {

                robot = new Robot();

                robot.setAutoDelay(70);

                robot.waitForIdle();

                robot.mouseMove(framePosition.x + getJFrameWidthEDT() / 2,

                        framePosition.y + titleComponent.getHeight() / 2);

                robot.mousePress(InputEvent.BUTTON1_MASK);

                robot.waitForIdle();

                gcBounds =

                        GraphicsEnvironment.getLocalGraphicsEnvironment().getScreenDevices()[0].getConfigurations()[0].getBounds();

                robot.mouseMove(framePosition.x + getJFrameWidthEDT() / 2,

                        framePosition.y + titleComponent.getHeight() / 2);

                robot.waitForIdle();

                int multier = gcBounds.height / 2 - 10; //we will not go out the borders

                for (int i = 0; i < 10; i++) {

                    robot.mouseMove(gcBounds.width / 2 - (int) (r.nextDouble() * multier), gcBounds.height / 2 - (int) (r.nextDouble() * multier));

                }

                robot.mouseRelease(InputEvent.BUTTON1_MASK);

                robot.waitForIdle();

            } catch (AWTException e) {

                throw new RuntimeException("Test Failed. AWTException thrown." + e.getMessage());

            } catch (Exception e) {

                e.printStackTrace();

                throw new RuntimeException("Test Failed.");

            }

            System.out.println("Mouse  lies in " + MouseInfo.getPointerInfo().getLocation());

            boolean frameIsOutOfScreen = false;

            try {

                setNewFrameLocationEDT();

                System.out.println("Now Frame lies in " + newFrameLocation);

                frameIsOutOfScreen = checkFrameIsOutOfScreenEDT();

            } catch (Exception ex) {

                ex.printStackTrace();

                throw new RuntimeException("Test Failed.");

            }

            if (frameIsOutOfScreen) {

                throw new RuntimeException("Test failed. JFrame is out of screen.");

            }

        } //for iteration

        System.out.println("Test passed.");

    }// start()

    private void createAndShowGUI() {

        try {

            UIManager.setLookAndFeel(

                    "javax.swing.plaf.metal.MetalLookAndFeel");

        } catch (Exception ex) {

            throw new RuntimeException(ex.getMessage());

        }

        JFrame.setDefaultLookAndFeelDecorated(true);

        frame = new JFrame("JFrame Dance Test");

        frame.pack();

        frame.setSize(450, 260);

        frame.setLocationRelativeTo(null);

        frame.setVisible(true);

    }

    private void setJLayeredPaneEDT() throws Exception {

        SwingUtilities.invokeAndWait(new Runnable() {

            @Override

            public void run() {

                lPane = frame.getLayeredPane();

                System.out.println("JFrame's LayeredPane " + lPane);

            }

        });

    }

    private void setTitleComponentEDT() throws Exception {

        SwingUtilities.invokeAndWait(new Runnable() {

            @Override

            public void run() {

                for (int j = 0; j < lPane.getComponentsInLayer(JLayeredPane.FRAME_CONTENT_LAYER.intValue()).length; j++) {

                    titleComponent = lPane.getComponentsInLayer(JLayeredPane.FRAME_CONTENT_LAYER.intValue())[j];

                    if (titleComponent.getClass().getName().equals("javax.swing.plaf.metal.MetalTitlePane")) {

                        titleFound = true;

                        break;

                    }

                }

            }

        });

    }

    private void setFramePosEDT() throws Exception {

        SwingUtilities.invokeAndWait(new Runnable() {

            @Override

            public void run() {

                framePosition = frame.getLocationOnScreen();

            }

        });

    }

    private boolean checkFrameIsOutOfScreenEDT() throws Exception {

        final boolean[] result = new boolean[1];

        SwingUtilities.invokeAndWait(new Runnable() {

            @Override

            public void run() {

                if (newFrameLocation.x > gcBounds.width || newFrameLocation.x < 0

                    || newFrameLocation.y > gcBounds.height || newFrameLocation.y

                    < 0) {

                result[0] = true;

            }

            }

        });

        return result[0];

    }

    private void setNewFrameLocationEDT() throws Exception {

        SwingUtilities.invokeAndWait(new Runnable() {

            @Override

            public void run() {

                newFrameLocation = new Point(frame.getLocationOnScreen().x

                        + frame.getWidth() / 2, frame.getLocationOnScreen().y + titleComponent.getHeight() / 2);

            }

        });

    }

    private int getJFrameWidthEDT() throws Exception {

        final int[] result = new int[1];

        SwingUtilities.invokeAndWait(new Runnable() {

            @Override

            public void run() {

                result[0] = frame.getWidth();

            }

        });

        return result[0];

    }

}// class