movinomenu.java

一个不错的多媒体传输程序

/*
 * 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;

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 javax.microedition.midlet.MIDletStateChangeException;

import org.movino.connection.ConnectionMenu;
import org.movino.connection.ConnectionThread;
import org.movino.connection.MovinoConnection;

public class MovinoMenu extends Returnable implements CommandListener{

	private static final String CONNECT="Connect";
	private static final String DISCONNECT="Disconnect";
	private static final String STREAM_VIDEO="Record";
	private static final String OPTIONS="Options";
	private static final String EXIT="Exit";
	private static final String[] MAIN_MENU = new String[]{CONNECT,STREAM_VIDEO,OPTIONS,EXIT};
	
	private List mainMenu;
	private Command selectCommand;
	
	private ConnectionThread connectionThread;
	
	private MovinoMidlet movinoMidlet;
	
	public MovinoMenu(MovinoMidlet midlet){
		movinoMidlet = midlet;
		connectionThread = new ConnectionThread();
		connectionThread.start();
		Options.loadOptions();
	}
	
	public void show(Display display){
		selectCommand = new Command("Select", Command.ITEM, 1);
		
		mainMenu = new List("Movino",List.IMPLICIT,MAIN_MENU,null);
		mainMenu.setCommandListener(this);
		mainMenu.setSelectCommand(selectCommand);
		
		if(MovinoConnection.currentConnection!=null){
			mainMenu.set(0, DISCONNECT, null);
		}
		
		display.setCurrent(mainMenu);
	}
	
	public void reShow(Display display){
		if(MovinoConnection.currentConnection!=null){
			mainMenu.set(0, DISCONNECT, null);
		}
		display.setCurrent(mainMenu);
	}
		
	public void simpleAlert(String mess){
		Alert alert = new Alert("Message",mess,null,AlertType.INFO);
		alert.setTimeout(Alert.FOREVER);
		Display display = Display.getDisplay(movinoMidlet);
		display.setCurrent(alert);
		System.out.println(mess);
	}

	public void commandAction(Command cmd, Displayable disp) {
		if(disp==mainMenu){
			if(cmd==selectCommand){
				int sel_index = mainMenu.getSelectedIndex();
				if(sel_index>=0){
					String sel = mainMenu.getString(sel_index);
					if(sel==CONNECT){
						new ConnectionMenu().show(Display.getDisplay(movinoMidlet), this);
					}
					else if(sel==DISCONNECT){
						MovinoConnection mc = MovinoConnection.currentConnection;
						if(mc!=null){
							mc.abort();
						}
						mainMenu.set(0, CONNECT, null);
					}
					else if(sel==STREAM_VIDEO){
						new Capture().show(Display.getDisplay(movinoMidlet), this);
					}
					else if(sel==OPTIONS){
						new Options().show(Display.getDisplay(movinoMidlet), this);
					}
					else if(sel==EXIT){
						Options.saveOptions();
						connectionThread.shutdownConnections();
						try { movinoMidlet.destroyApp(false);
						} catch (MIDletStateChangeException e) {}
						movinoMidlet.notifyDestroyed();
					}
				}
			}
		}
	}
}