/*
 * Copyright (c) 2004, 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 sun.awt.EmbeddedFrame;
import sun.awt.X11.XEmbeddedFrame;

import java.awt.*;
import java.awt.event.*;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;

/*
 * @summary This class creates the SWT shell with AWT Frame embedded in it.
 *          The embedded AWT Frame has components added to it, listeners are
 *          added and events are triggered to check if the listeners are
 *          notified.
 * @author Girish R (girish.ramachandran@sun.com)
 */

public class GUIXEmbedListeners extends Frame {

    EmbeddedFrame frame;
    Button button1, button2;
    TextField textfield1;
    Choice colorchoice;
    Scrollbar scrollBar;
    Panel panel, panel1;
    volatile boolean act_event, adj_list, comp_hidden, comp_moved,
            comp_resized, comp_shown, comp_removed, comp_added, focus_gain,
            focus_lost, ancestor_moved, ancestor_resized, hierarchy_changed,
            item_changed, key_pressed, key_released, key_typed,
            mouse_clicked, mouse_entered, mouse_exited, mouse_pressed,
            mouse_released, mouse_moved, mouse_dragged, textvalue_changed;

    static String WINDOW_ID_FILE = "window_id";
    String windowID;
    Process process;

    public void destroyProcess() {
        if (process != null)
            process.destroy();
    }

    /**
     * Open SWT shell here.
     * Add all components and listeners
     */
    public GUIXEmbedListeners() throws Exception {

        String osName = System.getProperty("os.name");
        if (!osName.equals("Linux") && !osName.equals("SunOS"))
            return;

        //Run the native process and wait for it to get over
        process = Runtime.getRuntime().exec("./gtk-embedder");

        File file = new File(WINDOW_ID_FILE);
        int waitCount = 0;
        while (!file.exists() && waitCount < 20) {
            try { Thread.sleep(100); } catch (Exception e) {}
            waitCount++;
        }
        windowID = new BufferedReader(new FileReader(file)).readLine();

        frame = new XEmbeddedFrame(Long.decode(windowID).longValue());

        frame.setLayout(new FlowLayout());
        frame.setSize(500, 270);

        frame.setBackground(Color.red);

        button1 = new Button("TestButton");
        button2 = new Button("TestButton2");
        textfield1 = new TextField("Textfield");
        textfield1.setLocation(50, 50);
        textfield1.setSize(80, 80);

        colorchoice = new Choice();
        colorchoice.add("Green");
        colorchoice.add("Blue");
        colorchoice.add("Red");
        colorchoice.add("White");

        panel = new Panel();
        panel.setSize(100, 100);
        panel.setBackground(Color.white);
        panel1 = new Panel();
        panel1.setLocation(50, 50);

        panel1.setBackground(Color.blue);
        scrollBar = new Scrollbar();

        button1.addActionListener( e -> act_event = true );

        scrollBar.addAdjustmentListener( e -> adj_list = true );

        button1.addComponentListener( new ComponentListener () {
            public void componentHidden(ComponentEvent e) { comp_hidden = true; }
            public void componentMoved(ComponentEvent e) { comp_moved = true; }
            public void componentResized(ComponentEvent e) { comp_resized = true; }
            public void componentShown(ComponentEvent e) { comp_shown = true; }
        });

        frame.addContainerListener( new ContainerListener () {
            public void componentAdded(ContainerEvent e) { comp_added = true; }
            public void componentRemoved(ContainerEvent e) { comp_removed = true; }
        });

        button1.addFocusListener( new FocusListener () {
            public void focusGained(FocusEvent e) { focus_gain = true; }
            public void focusLost(FocusEvent e) { focus_lost = true; }
        });

        button1.addHierarchyBoundsListener( new HierarchyBoundsListener () {
            public void ancestorMoved(HierarchyEvent e) { ancestor_moved = true; }
            public void ancestorResized(HierarchyEvent e) { ancestor_resized = true; }
        });

        button1.addHierarchyListener( e -> hierarchy_changed = true );

        colorchoice.addItemListener( e -> item_changed = true);

        textfield1.addKeyListener( new KeyListener () {
            public void keyPressed(KeyEvent e) { key_pressed = true; }
            public void keyReleased(KeyEvent e) { key_released = true; }
            public void keyTyped(KeyEvent e) { key_typed = true; }
        });
        button1.addMouseListener( new MouseListener () {
            public void mouseClicked(MouseEvent e) { mouse_clicked = true; }
            public void mouseEntered(MouseEvent e) { mouse_entered = true; }
            public void mouseExited(MouseEvent e) { mouse_exited = true; }
            public void mousePressed(MouseEvent e) { mouse_pressed = true; }
            public void mouseReleased(MouseEvent e) { mouse_released = true; }
        });

        button1.addMouseMotionListener( new MouseMotionListener () {
            public void mouseDragged(MouseEvent e) { mouse_moved = true; }
            public void mouseMoved(MouseEvent e) { mouse_dragged = true; }
        });

        textfield1.addTextListener( e -> textvalue_changed = true);
    }
}