/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

/*****

 *  Flash Light

 */

import javax.microedition.midlet.*;

import javax.microedition.lcdui.*;

import java.io.*;

public class FlashLight extends MIDlet  implements CommandListener, Runnable

{

    private  Display display = null;

    private Thread thread = null;

    private Canvas canvas = null;

    private Command exitCommand = new Command("Exit", Command.EXIT, 1);

    private Command stopCommand = new Command("Stop Flashing", Command.SCREEN, 1);

    private Command startTest10 = new Command("Start Test 10s", Command.SCREEN, 3);

    private Command startTest60 = new Command("Start Test 60s", Command.SCREEN, 3);

    private Command startTest120 = new Command("Start Test 120s", Command.SCREEN, 3);

    private Command startTest240 = new Command("Start Test 240s", Command.SCREEN, 3);

    private Command currentCommand = null;

    public FlashLight()

    {

        canvas = new TestingCanvas();

        display = Display.getDisplay(this);

        canvas.addCommand(startTest10);

        canvas.addCommand(startTest60);

        canvas.addCommand(startTest120);

        canvas.addCommand(startTest240);

        canvas.addCommand(stopCommand);

        canvas.addCommand(exitCommand);

        canvas.setCommandListener(this);

    }

    /** * */

    public void displayToForeGround()

    {

        display.setCurrent(canvas);

    }

    public void startApp()

    {

        displayToForeGround();

    }

    /** * Pause */

    public void pauseApp() {}

    /** * Destroy must cleanup everything. */

    public void destroyApp(boolean unconditional) { }

    /** *

     *  From runnable

     *  */

    public void run()

    {

        try

        {

            System.out.println("Thread started ..... ");

            if (currentCommand == startTest10)

                display.flashBacklight(10000);

            else if (currentCommand == startTest60)

                display.flashBacklight(60000);

            else if (currentCommand == startTest120)

                display.flashBacklight(120000);

            else if (currentCommand == startTest240)

                display.flashBacklight(240000);

            Thread.sleep(3000);

        }

        catch (Exception e)

        {

            System.out.println("E x c e p t t i o n in run" + e.toString());

        }

    }

    /**** Handle the command */

    public void commandAction(Command c, Displayable s)

    {

        if (c == exitCommand)

        {

            destroyApp(true);

            notifyDestroyed();

        }

        if (c == stopCommand)

        {

            display.flashBacklight(0);

        }

        currentCommand = c;

        thread = new Thread(this);

        thread.start();

    }// end of commandAction

    /**

     *

     */

    class TestingCanvas extends Canvas

    {

        protected void paint(Graphics g)

        {

            g.drawString("Device control", 5, 5, Graphics.TOP|Graphics.LEFT);

        }

    }

}