/*****************************************************************************
 * Licensed to the Apache Software Foundation (ASF) under one                *
 * or more contributor license agreements.  See the NOTICE file              *
 * distributed with this work for additional information                     *
 * regarding copyright ownership.  The ASF licenses this file                *
 * to you under the Apache License, Version 2.0 (the                         *
 * "License"); you may not use this file except in compliance                *
 * with the License.  You may obtain a copy of the License at                *
 *                                                                           *
 *     http://www.apache.org/licenses/LICENSE-2.0                            *
 *                                                                           *
 * Unless required by applicable law or agreed to in writing,                *
 * software distributed under the License is distributed on an               *
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY                    *
 * KIND, either express or implied.  See the License for the                 *
 * specific language governing permissions and limitations                   *
 * under the License.                                                        *
 *                                                                           *
 * This file is part of the BeanShell Java Scripting distribution.           *
 * Documentation and updates may be found at http://www.beanshell.org/       *
 * Patrick Niemeyer (pat@pat.net)                                            *
 * Author of Learning Java, O'Reilly & Associates                            *
 *                                                                           *
 *****************************************************************************/

package bsh.util;

import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.util.Vector;
import bsh.*;


/**
	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();
	}

}
