/**

 *  File:       MRJTalkTest.java

 *

 *  Contains:   Standalone application example that interfaces to MRJTalker native class.

 *

 *  Version:    1.05

 *

 *  Technology: System 7.6.1 or later

 *  

 *  Package:    Mac OS Runtime For Javaª SDK 2.0.1

 *

 *  Copyright:  © 1984-1998 by Apple Computer, Inc.

 *              All rights reserved.

 *

 *  Bugs?:      If you find a problem with this file, report them to mrj_bugs.

 *              Include the file and version information (from above)

 *              in the problem description and send to:

 *                  Internet:   mrj_bugs@apple.com

 */

import java.awt.*;

import java.util.Vector;

public

class MRJTalkTest extends Frame implements Runnable {

    /**

     * main for the test

     */

    public static void main() {

        MRJTalkTest sample = new MRJTalkTest();

        // add the strings      

        sample.addString("One Ring to rule Them all,");

        sample.addString("One Ring to find Them.");

        sample.addString("One Ring to bring them all,");

        sample.addString("and in the Darkness bind Them,");

        sample.addString("In the Land of Mordor, where the Shadows lie.");

        // show the window

        sample.show();

    }

    /**

     * Instance Data

     */

    Label itsLabel;

    Vector itsStrings = new Vector();

    Thread itsThread;

    MRJTalker itsTalker;

    /**

     * our constructor for this sample

     */

    public MRJTalkTest() {

        setTitle("Standalone Application");

        setBackground(Color.lightGray);

        setLayout(new BorderLayout());

        add("Center", itsLabel = new Label("Initial Label", Label.CENTER));

        itsLabel.setFont(new Font("Geneva", Font.PLAIN, 12));

        reshape(100, 100, 300, 60);

        // try to construct a talker - if one isn't availiable, getTalker will return null

        itsTalker = MRJTalker.getTalker();

    }

    /**

     * When our window is shown, we start a timer thread

     */

    public void show() {

        super.show();

        itsThread = new Thread(this);

        itsThread.setPriority(2);

        itsThread.start();

    }

    /**

     * When our window is hidden, we stop our timer

     */

    public void hide() {

        itsThread.stop();

        itsThread = null;

        super.hide();

    }

    /**

     * Add a string to the strings we display

     */

    void addString(String s) {

        itsStrings.addElement(s);

    }

    /**

     * Handle an event - we only do window destroys here

     */

    public boolean handleEvent(Event evt) {

        if (evt.id == Event.WINDOW_DESTROY) {

            hide();

            System.exit(0);

        }

        return false;

    }

    /**

     * Our periodic update thread

     */

    private boolean snooze(int time) {

        try {

            Thread.sleep(time);

        } catch (InterruptedException e) {

            return false;

        }

        return true;

    }

    public void run() {

        int ixString = 0;

        while (itsThread != null) {

            if (! snooze(500))  

                break;

            synchronized (itsStrings) {

                int ctStrings = itsStrings.size();

                if (ctStrings > 0) {

                    if (ixString >= ctStrings) {

                        ixString = 0;

                        snooze(1000);

                    }

                    String s = (String) itsStrings.elementAt(ixString++);

                    if (s != null) {

                        itsLabel.setText(s);

                        if (itsTalker != null)

                            itsTalker.speakString(s);

                    }

                }

            }

        }

        hide();

    }

};