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/*
 * #%L
 * The AIBench Shell Plugin
 * %%
 * Copyright (C) 2006 - 2017 Daniel Glez-Peña and Florentino Fdez-Riverola
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * 
 * This program 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 Lesser Public License for more details.
 * 
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * .
 * #L%
 */
/*****************************************************************************
 *                                                                           *
 *  This file is part of the BeanShell Java Scripting distribution.          *
 *  Documentation and updates may be found at http://www.beanshell.org/      *
 *                                                                           *
 *  Sun Public License Notice:                                               *
 *                                                                           *
 *  The contents of this file are subject to the Sun Public License Version  *
 *  1.0 (the "License"); you may not use this file except in compliance with *
 *  the License. A copy of the License is available at http://www.sun.com    * 
 *                                                                           *
 *  The Original Code is BeanShell. The Initial Developer of the Original    *
 *  Code is Pat Niemeyer. Portions created by Pat Niemeyer are Copyright     *
 *  (C) 2000.  All Rights Reserved.                                          *
 *                                                                           *
 *  GNU Public License Notice:                                               *
 *                                                                           *
 *  Alternatively, the contents of this file may be used under the terms of  *
 *  the GNU Lesser General Public License (the "LGPL"), in which case the    *
 *  provisions of LGPL are applicable instead of those above. If you wish to *
 *  allow use of your version of this file only under the  terms of the LGPL *
 *  and not to allow others to use your version of this file under the SPL,  *
 *  indicate your decision by deleting the provisions above and replace      *
 *  them with the notice and other provisions required by the LGPL.  If you  *
 *  do not delete the provisions above, a recipient may use your version of  *
 *  this file under either the SPL or the LGPL.                              *
 *                                                                           *
 *  Patrick Niemeyer ([email protected])                                           *
 *  Author of Learning Java, O'Reilly & Associates                           *
 *  http://www.pat.net/~pat/                                                 *
 *                                                                           *
 *****************************************************************************/

package bsh.util;

import java.awt.Dimension;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.MediaTracker;
import java.awt.Toolkit;
import java.awt.Window;

import bsh.Interpreter;

/**
 * Misc utilities for the bsh.util package. Nothing in the core language (bsh
 * package) should depend on this. Note: that promise is currently broken... fix
 * it.
 */
public class Util {
        /*
         * public static ConsoleInterface makeConsole() { if (
         * bsh.Capabilities.haveSwing() ) return new JConsole(); else return new
         * AWTConsole(); }
         */

        static Window splashScreen;

        /*
         * This could live in the desktop script. However we'd like to get it on
         * the screen as quickly as possible.
         */
        public static void startSplashScreen() {
                int width = 275, height = 148;
                Window win = new Window(new Frame());
                win.pack();
                BshCanvas can = new BshCanvas();
                can.setSize(width, height); // why is this necessary?
                Toolkit tk = Toolkit.getDefaultToolkit();
                Dimension dim = tk.getScreenSize();
                win.setBounds(dim.width / 2 - width / 2, dim.height / 2 - height / 2, width, height);
                win.add("Center", can);
                Image img = tk.getImage(Interpreter.class.getResource("/bsh/util/lib/splash.gif"));
                MediaTracker mt = new MediaTracker(can);
                mt.addImage(img, 0);
                try {
                        mt.waitForAll();
                } catch (Exception e) {
                }
                Graphics gr = can.getBufferedGraphics();
                gr.drawImage(img, 0, 0, can);
                win.setVisible(true);
                win.toFront();
                splashScreen = win;
        }

        public static void endSplashScreen() {
                if (splashScreen != null)
                        splashScreen.dispose();
        }

}