/*
* Copyright (c) 2015, 2016 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
* @bug 8065739 8129569
* @summary [macosx] Frame wraps to lower left of screen when displayed.
* @library ../../../../lib/testlibrary/
* @build jdk.testlibrary.Platform
* @run main MaximizedToUnmaximized
*/

import java.awt.Frame;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsEnvironment;
import java.awt.Insets;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Toolkit;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import jdk.testlibrary.Platform;

public class MaximizedToUnmaximized {

    public static void main(String[] args) throws Exception {
        testFrame(false);
        testFrame(true);
    }

    private static void testFrame(boolean isUndecorated) throws Exception {
        Frame frame = new Frame();
        try {
            Robot robot = new Robot();
            robot.setAutoDelay(100);

            frame.setUndecorated(isUndecorated);
            GraphicsConfiguration gc = 
                GraphicsEnvironment.getLocalGraphicsEnvironment()
                    .getDefaultScreenDevice().getDefaultConfiguration();
            Rectangle bounds = gc.getBounds();
            Insets insets = Toolkit.getDefaultToolkit().getScreenInsets(gc);
            int x = bounds.x + insets.left;
            int y = bounds.y + insets.top;
            int width = bounds.width - insets.left - insets.right;
            int height = bounds.height - insets.top - insets.bottom;
            Rectangle rect = new Rectangle(x, y, width, height);
            frame.pack();
            frame.setBounds(rect);
            frame.setVisible(true);
            robot.waitForIdle();
            robot.delay(500);

            if (frame.getWidth() <= width / 2
                    || frame.getHeight() <= height / 2) {
                throw new RuntimeException("Frame size is small!");
            }

            if (!isUndecorated && frame.getExtendedState() != getExpectedState()) {
                throw new RuntimeException("Frame state does not equal"
                        + getStateAsString(getExpectedState()));
            }
        } finally {
            frame.dispose();
        }
    }

    /*
     * In Mac OS and Ubuntu if window has maximum bounds then window state is
     * MAXIMIZED_BOTH state but this is not true for other operating systems.
     */
    private static int getExpectedState() {
        if (Platform.isOSX()) {
            return Frame.MAXIMIZED_BOTH;
        } else if (Platform.isLinux() && isUbuntu()) {
            return Frame.MAXIMIZED_BOTH;
        }
        return Frame.NORMAL;
    }

    private static String getStateAsString(int state) {
        if (Frame.MAXIMIZED_BOTH == state) {
            return "MAXIMIZED BOTH STATE";
        }
        return "NORMAL STATE";
    }

    private static boolean isUbuntu() {
        try {
            ProcessBuilder processBuilder = new ProcessBuilder("uname", "-v");
            Process process = processBuilder.start();
            BufferedReader reader = new BufferedReader(
                    new InputStreamReader(process.getInputStream()));
            StringBuilder builder = new StringBuilder();
            String line = null;
            while ((line = reader.readLine()) != null) {
                builder.append(line);
                builder.append(System.getProperty("line.separator"));
            }
            return builder.toString().contains("Ubuntu");
        } catch (IOException e) {
            e.printStackTrace();
        }
        return false;
    }
}