TrafficWidget.java

/*
 *  XCTrack - XContest Live Tracking client for J2ME devices
 *  Copyright (C) 2009 Petr Chromec <petr@xcontest.org>
 *
 *  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 3 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, see <http://www.gnu.org/licenses/>.
 *
 */

package org.xcontest.xctrack.widget;

import javax.microedition.lcdui.Graphics;

import org.xcontest.xctrack.info.InfoCenter;
import org.xcontest.xctrack.info.LiveInfo;
import org.xcontest.xctrack.paint.GeneralFont;



public class TrafficWidget extends TextBoxWidget {
	public TrafficWidget() {
		super("Tracking", GeneralFont.SystemFontsBold, 1);
		setAlignment(Graphics.LEFT | Graphics.VCENTER);
	}

	protected int getDefaultHeight() {
		return 5*super.getDefaultHeight()/3;
	}
	
	protected int getDefaultWidth() {
		return 4*super.getDefaultWidth()/3;
	}
	
	private String formatBytes(int n) {
		if (n < 10*1024) {
			return ""+n/1024+"."+((10*n/1024)%10)+"Kb";
		}
		else if (n < 1024*1024) {
			return ""+n/1024+"Kb";
		}
		else if (n < 10*1024*1024) {
			return ""+n/(1024*1024)+"."+((10*n/(1024*1024))%10)+"Mb";
		}
		else {
			return ""+n/(1024*1024)+"Mb";
		}
	}
	
	protected void paint(Graphics g, Object[] objSettings) {
		LiveInfo info = InfoCenter.getInstance().getLiveInfo();
		String text = "Down: " + formatBytes(info.getBytesReceived()) + "\n" +
						"Up: " + formatBytes(info.getBytesSent()) + "\n" +
						"Packets: " + info.getConfirmedMessages() + " (+" + info.getPendingMessages() + ")\n" +
						"Points: " + info.getConfirmedPoints() + " (+" + info.getPendingPoints() +")";
		super.paint(g, objSettings, text, 0);
	}

		
	public String getName() {
		return "Traffic";
	}
}