/*

File: PlaySound.java

Abstract: Plays sound/MIDI files without any UI

Version: 1.2

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*/

import quicktime.*;

import quicktime.io.*;

import quicktime.app.time.*;

import quicktime.app.view.*;

import quicktime.std.movies.*;

import quicktime.std.*;

import java.awt.*;

import java.awt.event.*;

import java.io.*;

/**

 * This sample demonstrates how to play a sound or a midi file without using a QTCanvas.

 * All user interface elements are using AWT.

 */

public class PlaySound extends Frame

{

    Button playMidi, playSnd;

    Movie movie;

    static public void main (String[ ] args) {

        try {

            QTSession.open();

            PlaySound theSoundPlayer = new PlaySound();

        }

        catch (Exception e) {

            e.printStackTrace();

            QTSession.close();

        }

    }

    /**

     * Create the user interface

     */

    PlaySound () {

        playMidi = new Button ("Play Midi File");

        playSnd  = new Button ("Play Sound File");

        this.add (playMidi);

        this.add (playSnd );

        playMidi.addActionListener( new Action() );

        playSnd.addActionListener( new Action() );

        this.setLayout (new FlowLayout());

        setVisible (true);

        addWindowListener(new WindowAdapter () {

                public void windowClosing (WindowEvent e) {

                        QTSession.close();

                        dispose();

                }

                public void windowClosed (WindowEvent e) {

                        System.exit(0);

                }

        } );

        pack();

    }

    /**

     * The Action class responds to user interaction with the buttons

     */

    class Action implements ActionListener {

        public void actionPerformed (ActionEvent event) {

            Object object = event.getSource();

            try {

                if (object == playMidi) {

                    if (movie != null) {

                        movie.setRate(0);

                        movie.setActive(false);

                        TaskAllMovies.removeMovie();

                    }

                    playFile ("jazz.mid");

                } else if (object == playSnd) {

                    if (movie != null) {

                        movie.setRate(0);

                        movie.setActive(false);

                        TaskAllMovies.removeMovie();

                    }

                    playFile ("sin440.aif");

                }

            }catch (StdQTException ex) {

                ex.printStackTrace();

            }

        }

    }

    /**

     * The playFile method loads and plays an audio file with the given name

     * or partial path. If a sound is already playing, it will be stopped before

     * the new sound is played.

     * @param fileName the name of the sound file to be played

     */

    public void playFile (String fileName) {

        try {

            String soundLocation = QTFactory.findAbsolutePath(fileName).getPath();

            OpenMovieFile fileIn = OpenMovieFile.asRead (new QTFile(soundLocation));

            movie = Movie.fromFile (fileIn);

            TaskAllMovies.addMovieAndStart();

            movie.setActive(true);

            movie.setRate(1);

        } catch (IOException ioe) {

            ioe.printStackTrace();

        } catch (QTException qte) {

            qte.printStackTrace();

        }

    }

}