BusStopWidgetProvider.java

/*******************************************************************************
 * Copyright (c) 2011 Michel DAVID mimah35-at-gmail.com
 * 
 * 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.
 * 
 * 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 fr.gotorennes;

import java.util.List;

import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.net.Uri;
import android.widget.RemoteViews;
import fr.gotorennes.domain.Arret;
import fr.gotorennes.domain.Circuit;
import fr.gotorennes.domain.Ligne;
import fr.gotorennes.domain.Station;
import fr.gotorennes.persistence.BusDao;
import fr.gotorennes.remote.BusStationService;

public class BusStopWidgetProvider extends AbstractWidgetProvider {

	public static final String SCHEME = "busStopWidget";

	private static BusDao busDao;

	public static BusStationService busStationService;

	@Override
	protected RemoteViews updateRemoteViews(Context context, int appWidgetId) {

		RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.busstop_appwidget);
		
		if (busDao == null) {
			try {
				busDao = BusDao.getInstance(context, null);
			}
			catch (Throwable e) {
				return views;
			}
		}
		if (busStationService == null) {
			busStationService = BusStationService.getInstance(context);
		}

		SharedPreferences prefs = context.getSharedPreferences("fr.gotorennes.BusStopWidget", 0);
		long idStation = prefs.getLong("idStation" + appWidgetId, 0);
		long idLigne = prefs.getLong("idLigne" + appWidgetId, 0);
		int sens = prefs.getInt("sens" + appWidgetId, 0);

		if (idStation != 0 && idLigne != 0) {
			Station station = busDao.getStation(idStation);
			if (station != null) {
				views.setTextViewText(R.id.stopName, station.nom);
			}

			Bitmap icon = busStationService.getBitmapIcon(context, idLigne);
			if (icon != null) {
				views.setImageViewBitmap(R.id.lineIcon, icon);
			}

			Ligne ligne = busDao.getLigne(idLigne);

			List<Arret> passages = busDao.getProchainsPassages(idStation, ligne.id, ligne.isLigneDeNuit(), sens);
			if (!passages.isEmpty()) {
				Circuit circuit = busDao.getCircuitByIdTrajet(passages.get(0).idTrajet);
				views.setTextViewText(R.id.directionName, context.getString(R.string.vers) + circuit.nom);
				views.setTextViewText(R.id.nextStopTime, passages.get(0).getDepart());
				views.setTextViewText(R.id.nextStopTimeInMinutes, context.getString(R.string.dans) + passages.get(0).getDureeAvantDepart( ligne.isLigneDeNuit(), context.getResources() ));

				Intent intent = new Intent(context, BusTripActivity.class);
				intent.putExtra("station", station);
				intent.putExtra("ligne", ligne);
				intent.putExtra("arret", passages.get(0));

				intent.setData(Uri.withAppendedPath(Uri.parse(SCHEME + "://widget/id/"), String.valueOf(appWidgetId)));
				PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT);

				views.setOnClickPendingIntent(R.id.widget, pendingIntent);

				if (passages.size() > 1) {
					views.setTextViewText(R.id.nextNextStopTime, passages.get(1).getDepart());
				} else {
					views.setTextViewText(R.id.nextNextStopTime, "");
				}
			} else {
				views.setTextViewText(R.id.nextStopTime, "--");
				views.setTextViewText(R.id.nextNextStopTime, "");
				views.setTextViewText(R.id.nextStopTimeInMinutes, "");
			}
			
			Arret passagePrecedent = busDao.getPassagePrecedent(idStation, ligne.id, ligne.isLigneDeNuit(), sens);
			if(passagePrecedent != null) {
				views.setTextViewText(R.id.previousStopTime, passagePrecedent.getDepart());
			}
			else {
				views.setTextViewText(R.id.previousStopTime, "");
			}
		}

		return views;
	}

	@Override
	protected String getScheme() {
		return SCHEME;
	}
	
	@Override
	protected int scheduleInMinutes() {
		return 1;
	}

}