connectiondialog.java

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/*
 * Movino J2ME Client
 * Copyright (C) 2007  Johannes Berg
 * 
 * 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 org.movino.connection;

import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.TextField;
import javax.microedition.lcdui.Ticker;

import org.movino.Options;
import org.movino.Returnable;
import org.movino.Showable;

public class ConnectionDialog extends Returnable implements CommandListener, ConnectionListener{

	private Form propertyForm;
	private TextField userNameField;
	private TextField passwordField;
	
	private Command abortCommand;
	private Command okCommand;
	
	private MovinoConnection movinoConnection;
	
	public ConnectionDialog(MovinoConnection connection){
		movinoConnection = connection;
		movinoConnection.setListener(this);
	}

	public void show(Display display){
		propertyForm = new Form("New session");
		propertyForm.setTicker(new Ticker("Connecting..."));
		abortCommand = new Command("Cancel", Command.CANCEL, 1);
		propertyForm.addCommand(abortCommand);
		propertyForm.setCommandListener(this);
		
		userNameField = new TextField("User name",Options.optionUserName,20,TextField.ANY);
		propertyForm.append(userNameField);
		
		passwordField = new TextField("Password","",20,TextField.PASSWORD);
		propertyForm.append(passwordField);
		
		okCommand = new Command("Ok", Command.OK,1);
		
		ConnectionThread.currentThread.newConnection(movinoConnection);
		display.setCurrent(propertyForm);
	}
	
	public void reShow(Display display){
		display.setCurrent(propertyForm);
	}
	
	public void commandAction(Command cmd, Displayable disp) {
		if(cmd==abortCommand){
			movinoConnection.abort();
			returnBack();
		}
		else if(cmd==okCommand){
			if(movinoConnection.getState()==MovinoConnection.CONNECTION_STATE_HANDSHAKING){
				HandShakePacket hsp = movinoConnection.getServerHandShake();
				String name = null;
				String password = null;
				if(hsp.getUserName()!=null){
					name = userNameField.getString();
					Options.optionUserName = name;
				}
				if(hsp.getPassword()!=null) password = passwordField.getString();
				HandShakePacket cp = new HandShakePacket(name,password);
				cp.setRandomData(hsp.getRandomData());
				movinoConnection.setClientHandShake(cp);
			}
			MovinoConnection.currentConnection=movinoConnection;
			returnBack();
		}
	}
	
	public void connectionError(MovinoConnection conn, int error_state){
		propertyForm.setTicker(null);
		if(error_state!=MovinoConnection.CONNECTION_STATE_CONNECTED){
			alert("Could not connect to server. "+conn.getError());
		}
		else{
			alert("Connection to server lost. "+conn.getError());
		}
	}

	public void connectionSuccess(MovinoConnection conn) {
		HandShakePacket hsp = movinoConnection.getServerHandShake();
		if(hsp.getUserName()==null){
			propertyForm.delete(0);
			if(hsp.getPassword()==null) propertyForm.delete(0);
		}
		else{
			if(hsp.getPassword()==null) propertyForm.delete(1);
		}
		
		if(propertyForm.size()<=0){
			commandAction(okCommand, propertyForm);
		}
		else{
			propertyForm.addCommand(okCommand);
			propertyForm.setTicker(null);
		}
	}
}