/*
 * @(#)JavaSound.java	1.11 98/06/29
 *
 * Copyright 1998 by Sun Microsystems, Inc.,
 * 901 San Antonio Road, Palo Alto, California, 94303, U.S.A.
 * All rights reserved.
 *
 * This software is the confidential and proprietary information
 * of Sun Microsystems, Inc. ("Confidential Information").  You
 * shall not disclose such Confidential Information and shall use
 * it only in accordance with the terms of the license agreement
 * you entered into with Sun.
 */

package demos.Mix;


import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import com.sun.java.swing.*;
import com.sun.java.swing.border.BevelBorder;
import java.awt.image.BufferedImage;
import java.net.URL;


/**
 * JavaSound example to show effects of sound with 2d animation.
 */
public class JavaSound extends JPanel implements ActionListener {

    private AudioClip clip = null;
    private JButton playButton, loopButton;
    private timerCanvas tc = null;
    protected static final int STOP = 0;
    protected static final int PLAY = 1;
    protected static final int LOOP = 2;
    protected int audioState = STOP;
    private Font f1 = new Font("serif", Font.BOLD + Font.ITALIC, 18);
    private Font f2 = new Font("serif", Font.PLAIN, 14);


    public JavaSound() {
	setLayout(new BorderLayout());
	setBackground(Color.gray);

	String playType[] = {"mix1","mix2", "rmf"};
	String playList[][] = {
		{"sfx-medley.rmf", "trippygaia1.mid", "spacemusic.au"},
	        {"bong.wav", "bark.aiff", "trance.rmf"},
	        {"ambient.rmf", "classical.rmf", "modern-rock.rmf"}};

	JTabbedPane tabbedPane = new JTabbedPane();
	tabbedPane.setBorder(new BevelBorder(BevelBorder.RAISED));
	tabbedPane.setFont(new Font("Times New Roman", Font.PLAIN, 10));

	for (int i = 0; i < playType.length; i++) {
	    JPanel jp = new JPanel(new GridLayout(0,1));
	    for (int j = 0; j < playList[i].length; j++) {
	        jp.add(new JavaSound(this, playList[i][j], false));
	    }
            tabbedPane.addTab(playType[i], jp);
	}
	add(tabbedPane);


	JPanel jp1 = new JPanel(new GridLayout(0,1));
	String s1[] = { "J", "A", "V", "A" };
	for (int i = 0; i < s1.length; i++) {
	    jp1.add(addLabel(s1[i]));
	}
	add("West", jp1);

	JPanel jp2 = new JPanel(new GridLayout(0,1));
	String s2[] = { "S", "O", "U", "N", "D" };
	for (int i = 0; i < s2.length; i++) {
	    jp2.add(addLabel(s2[i]));
	}
	add("East", jp2);
    }


    public JLabel addLabel(String s) {
	JLabel l = new JLabel(" " + s + " ");
	l.setForeground(Color.gray);
	l.setFont(f1);
	return l;
    }


    public JavaSound(JavaSound js, String name, boolean playSomeAudio) {

	URL url = JavaSound.class.getResource("audio/" + name);
	clip = Applet.newAudioClip(url);

	GridBagLayout gbl = new GridBagLayout();
	setLayout(gbl);
	setBackground(Color.gray);

	JLabel l = new JLabel(name);
	l.setFont(f2);
	l.setForeground(Color.black);
	GridBagConstraints gbc = new GridBagConstraints();
	gbc.gridx = 0;
	gbc.gridy = 0;
	gbl.setConstraints(l, gbc);
	add(l);

	JPanel p1 = new JPanel(new FlowLayout());
	p1.setBackground(Color.gray);
	playButton = new JButton("play");
	playButton.setBackground(Color.green);
    	playButton.addActionListener(this);
	p1.add(playButton);

        loopButton = new JButton("loop");
  	loopButton.addActionListener(this);
	p1.add(loopButton);

	tc = new timerCanvas(js, this, clip);
	p1.add(tc);

	gbc = new GridBagConstraints();
	gbc.gridx = 0;
	gbc.gridy = 1;
	gbl.setConstraints(p1, gbc);

	add(p1);

	if (playSomeAudio) {
 	    actionPerformed(new ActionEvent(this, ActionEvent.ACTION_PERFORMED, "play"));
	}
    }


    public JButton addButton(ImageIcon ii) {
	JButton b = new JButton(ii);
	b.addActionListener(this);
	return b;
    }

    public void stopAudio() {
	audioState = STOP;
	clip.stop();
	playButton.setText("play");
	playButton.setBackground(Color.green);
	tc.stop();
    }

    public void playAudio() {
	clip.play();
	playButton.setText("stop");
	playButton.setBackground(Color.red);
	tc.start();
	audioState = PLAY;
    }


    public void actionPerformed(ActionEvent evt) {
	if (evt.getActionCommand() == "loop") {
	    clip.loop();
	    tc.start();
	    audioState = LOOP;
	    playButton.setText("stop");
	    playButton.setBackground(Color.red);
	} else if (audioState >= PLAY) {
	    stopAudio();
	} else {
	    playAudio();
	}
    }


    public static void main(String s[]) {
	WindowListener l = new WindowAdapter() {
	    public void windowClosing(WindowEvent e) {System.exit(0);}
	};
	JFrame f = new JFrame("Java2D Demo - JavaSound");
	f.addWindowListener(l);
	f.getContentPane().add("Center", new JavaSound());
	f.pack();
	f.setSize(new Dimension(320,260));
	f.show();
    }



    // inner class to paint the digits.
    public class timerCanvas extends JComponent implements Runnable {

        private AudioClip clip;
        private boolean cbStop = true;
	private JavaSound js1, js2;
	private BufferedImage bi;
        private Thread thread;
        private int theSeconds;
	private int w, h;
	private Font font = new Font("Dialog", Font.BOLD, 12);


        public timerCanvas(JavaSound js1, JavaSound js2, AudioClip clip) {
	    this.js1 = js1;
	    this.js2 = js2;
	    this.clip = clip;
            setBackground(Color.black);
        }

        public Dimension getMinimumSize() {
	    return getPreferredSize();
        }

        public Dimension getMaximumSize() {
	    return getPreferredSize();
        }

        public Dimension getPreferredSize() {
	    return new Dimension(32, 24);
        }

        public void start() {
            thread = new Thread(this);
            thread.setPriority(Thread.MIN_PRIORITY);
            thread.start();
	    theSeconds = 0;
        }

        public synchronized void stop() {
            thread = null;
            notifyAll();
        }


        public void run() {
	    // sleep until component is laid out
	    while (!isShowing() || getSize().width == 0) {
	        try {
	            Thread.sleep(100);
	        } catch (InterruptedException e) { return; }
	    }


	    while (js2.audioState != js2.STOP && js1.isShowing()) {
	        Graphics g = getGraphics();
	        paint(g);
	        g.dispose();
                try {
	        // not really a second
	 	    for (int i = 0; i < 10 && js2.audioState != js2.STOP; i++)
        	        Thread.sleep(90);
                } catch(InterruptedException e){ break;}
	        theSeconds++;
		if (theSeconds == 999)
		    theSeconds = 0;
            }
	    if (js2.audioState != js2.STOP) {
	        js2.stopAudio();
	    }
	    theSeconds = 0;
	    if (js1.isShowing()) {
	        Graphics g = getGraphics();
	        paint(g);
	        g.dispose();
	    }
        }


        public void paint(Graphics g) {
	    if (getSize().width != w || getSize().height != h) {
	        w = getSize().width;
	        h = getSize().height;
	        bi = (BufferedImage) createImage(w, h);
	    }
	    Graphics2D big = bi.createGraphics();
	    big.setBackground(Color.black);
	    big.clearRect(0,0,w,h);
	    big.setFont(font);
	    big.setColor(Color.yellow);
	    big.drawString(String.valueOf(theSeconds), 8,16);
	    big.setColor(Color.gray);
	    big.drawLine(0,0, 0,h-1);
	    big.drawLine(0,0, w-1,0);
	    big.setColor(Color.white);
	    big.drawLine(w-1,0, w-1,h-1);
	    big.drawLine(0,h-1, w-1,h-1);
	    g.drawImage(bi, 0, 0, this);
	    big.dispose();
        }
    }
}