package com.javaonthebrain.choco;

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

/**
 * @author Karl H.
 */
public class ChocoBan extends MIDlet
{

    private boolean midletPaused = false;
    
    private ChocoCanvas m_canvas;

    /**
     * The ChocoBan constructor.
     */
    public ChocoBan()
    {
    }

    /**
     * Initilizes the application.
     * It is called only once when the MIDlet is started. The method is called before the <code>startMIDlet</code> method.
     */
    private void initialize() {                                         
        // write pre-initialize user code here
            m_canvas = new ChocoCanvas(this);
            m_canvas.initialize();
                                           
        // write post-initialize user code here
    }                            

    /**
     * Performs an action assigned to the Mobile Device - MIDlet Started point.
     */
    public void startMIDlet() {                                      
        m_canvas.startUp();
        Display.getDisplay(this).setCurrent(m_canvas);
    }                             

    /**
     * Performs an action assigned to the Mobile Device - MIDlet Resumed point.
     */
    public void resumeMIDlet() {                                       
        m_canvas.startUp();
                                         
    }                              


    /**
     * Exits MIDlet.
     */
    public void exitMIDlet() {
        m_canvas.shutDown();
        destroyApp(true);
        notifyDestroyed();
    }

    /**
     * Called when MIDlet is started.
     * Checks whether the MIDlet have been already started and initialize/starts or resumes the MIDlet.
     */
    public void startApp() {
        if (midletPaused) {
            resumeMIDlet ();
        } else {
            initialize ();
            startMIDlet ();
        }
        midletPaused = false;
    }

    /**
     * Called when MIDlet is paused.
     */
    public void pauseApp() {
        midletPaused = true;
        m_canvas.shutDown();
    }

    /**
     * Called to signal the MIDlet to terminate.
     * @param unconditional if true, then the MIDlet has to be unconditionally terminated and all resources has to be released.
     */
    public void destroyApp(boolean unconditional) {
    }

}