/*

 * quicktime.app: Sample Code for Initial Seeding

 *

 * © 1997 Copyright, Apple Computer

 * All rights reserved

 */

import java.applet.Applet;

import java.awt.*;

import quicktime.*;

import quicktime.io.QTFile;

import quicktime.app.display.*;

import quicktime.app.image.ImageDrawer; // for exceptions

public class QTTestApplet extends Applet {  

    private boolean initDone = false;

    public void init () {

        try {

            if (QTSession.isInitialized() == false)

                QTSession.open();

            initDone = true;

        } catch (NoClassDefFoundError er) {

            add (new Label ("Can't Find QTJava classes"), "North");

            add (new Label ("Check install and try again"), "South");

        } catch (SecurityException se) {

                // this is thrown by MRJ trying to find QTSession class

            add (new Label ("Can't Find QTJava classes"), "North");

            add (new Label ("Check install and try again"), "South");

        } catch (Exception e) {

                // do a dynamic test for QTException 

                //so the QTException class is not loaded unless

                // an unknown exception is thrown by the runtime

            if (e instanceof ClassNotFoundException || e instanceof java.io.FileNotFoundException) {

                add (new Label ("Can't Find QTJava classes"), "North");

                add (new Label ("Check install and try again"), "South");

            } else if (e instanceof QTException) {

                add (new Label ("Problem with QuickTime install"), "North");

                if (((QTException)e).errorCode() == -2093)

                    add (new Label ("QuickTime must be installed"), "South");           

                else

                    add (new Label (e.getMessage()), "South");          

            }

        }

    }

    // we create an inner class here so that the class loader

    // does NOT try to load QT classes until we know that 

    // everything is OK 

    public void start () {

        if (initDone)

            new DoQT();

    }   

    class DoQT {

        DoQT () {

            try {               

                setLayout (new BorderLayout());

                QTCanvas myQTCanvas = new QTCanvas (QTCanvas.kInitialSize, 0.5F, 0.5F);

                add (myQTCanvas, "Center"); 

                myQTCanvas.setClient (ImageDrawer.getQTLogo(), true);

                add (new Label ("QuickTime for Java"), "North");

                add (new Label ("Installed successfully"), "South");

            } catch (Throwable e) {

                if (e instanceof ClassNotFoundException) {

                    add (new Label ("Can't Find QTJava classes"), "North");

                    add (new Label ("Check install and try again"), "South");

                } else {

                    System.out.println (e);

                    e.printStackTrace();

                }

            }       

        }

    }

    public void stop () {}

    public void destroy () {

        if (initDone)

            QTSession.close();

        initDone = false;

    }

}