blueclientgui.java

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/*
 * Bluetooth Multiplayer Games Framework
 * Author: Francesco Panciroli (email [e-mail])
 * Copyright (C) 2006  Francesco Panciroli
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

package newpackage;

import javax.bluetooth.RemoteDevice;
import javax.bluetooth.ServiceRecord;
import javax.bluetooth.UUID;
import javax.microedition.io.Connection;
import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.AlertType;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.List;

import org.apache.log4j.Category;

public class BlueClientGUI extends List implements CommandListener {

	static Category log = Category.getInstance("panci.bluemgf.BlueClientGUI");

	private BlueMIDlet midlet;

	private BlueClientBT blueClientBT;

	protected UUID serviceUUID;

	private final Command OK_CMD = new Command("Select", Command.SCREEN, 1);

	private final Command SEARCH_CMD = new Command("Restart Search", Command.SCREEN, 2);

	private final Command BACK_CMD = new Command("Back", Command.BACK, 3);

	private final Command LOG_CMD = new Command("Log", Command.SCREEN, 3);

	public BlueClientGUI(BlueMIDlet midlet) {
		super("Server devices", List.IMPLICIT);
    	log.debug("Constructor!");	

		this.midlet = midlet;
		serviceUUID = midlet.getServiceUUID();

		blueClientBT = new BlueClientBT(this);

		addCommand(OK_CMD);
		addCommand(SEARCH_CMD);
		addCommand(BACK_CMD);
		if (midlet.isLogAvailable())
			addCommand(LOG_CMD);

		append("[Please Wait...]", null);

		setCommandListener(this);
	}

	/**
	 * refresh the list with blutooth devices
	 */
	public void showui() {
		super.deleteAll();

		if (blueClientBT.services.size() > 0) {
			for (int i = 0; i < blueClientBT.services.size(); i++) {
				try {
					ServiceRecord record = (ServiceRecord) blueClientBT.services.elementAt(i);
					RemoteDevice device = record.getHostDevice();
					String name = device.getFriendlyName(false) + "-" + device.getBluetoothAddress();
					append(name, null);

				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		} else {
			append("No Server Found!", null);
		}
	}

	public void showWait() {
		super.deleteAll();
		append("Waiting for game start...", null);
		removeCommand(OK_CMD);
		removeCommand(SEARCH_CMD);
	}

	public void serviceSearchCompleted(int returnCode) {
		//log.debug("serviceSearchCompleted: returnCode = " + returnCode);
		showui();
	}

	public void connectionOpened(BlueConnection bconn) {
		showWait();
		Connection conn = bconn.conn;
		midlet.handleEvent(BlueEventHandler.EVENT_CLIENT_WAITING_FOR_START, conn);
	}

	public void commandAction(Command c, Displayable d) {
    	//log.debug("Called BlueClientGUI.commandAction with parameters " + c + ", " + d);
    	//log.debug("Command description: " + c.getLabel() + " - " + c.getCommandType());
		if (c == SEARCH_CMD) {
			blueClientBT.services.removeAllElements();
			blueClientBT.startInquiry();

		} else if (c == BACK_CMD) {
			midlet.backToMenu();
		} else if (c == LOG_CMD) {
			midlet.showLog(this);
		} else {
			BlueConnection bconn = blueClientBT.getBlueConnectionByListIndex(getSelectedIndex());
			if (bconn.conn == null) {
				blueClientBT.openConnection(bconn);
			} else {
				Alert al = new Alert("Warning", "Connection already established!", null, AlertType.WARNING);
				al.setTimeout(BlueMIDlet.ALERT_TIMEOUT);
				Display.getDisplay(midlet).setCurrent(al, this);
			}
		}
	}

	public UUID getServiceUUID() {
		return serviceUUID;
	}
}