BikeStationWidgetProvider.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 android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.net.Uri;
import android.os.AsyncTask;
import android.util.Log;
import android.widget.RemoteViews;
import fr.gotorennes.domain.BikeStation;
import fr.gotorennes.remote.BikeStationService;

public class BikeStationWidgetProvider extends AbstractWidgetProvider {

	public static final String SCHEME = "bikeStationWidget";

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

		final BikeStationService bikeStationService = BikeStationService.getInstance(context);

		final RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.bikestation_appwidget);

		SharedPreferences prefs = context.getSharedPreferences("fr.gotorennes.BikeStationWidget", 0);
		String stationId = prefs.getString("stationId" + appWidgetId, null);

		if (stationId != null) {
			
			Log.i("Go2Rennes", "Update widget " + appWidgetId  + " " + stationId);
			
			AsyncTask<String, Void, BikeStation> task = new AsyncTask<String, Void, BikeStation>() {

				@Override
				protected BikeStation doInBackground(String... stationId) {
					return bikeStationService.getBikeStation(stationId[0]);
				}

				@Override
				protected void onPostExecute(BikeStation bikeStation) {
					if (bikeStation != null) {
						
						Log.i("Go2Rennes", appWidgetId + " " + bikeStation.name);
						
						views.setTextViewText(R.id.bikeStationName, bikeStation.name);

						views.setTextViewText(R.id.availableBikes, String.valueOf(bikeStation.bikesAvailable));
						views.setTextColor(R.id.availableBikes, bikeStation.getBikeColor());
						
						views.setTextViewText(R.id.availableSlots, String.valueOf(bikeStation.slotsAvailable));
						views.setTextColor(R.id.availableSlots, bikeStation.getSlotColor());

						Intent intent = new Intent(context, BikeStationActivity.class);
						intent.putExtra("bikeStation", bikeStation);
						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);
						
						//Update the widget
			            AppWidgetManager manager = AppWidgetManager.getInstance(context);
			            manager.updateAppWidget(appWidgetId, views);

					}
				}
				
			};
			task.execute(stationId);
		}

		return views;
	}

	@Override
	protected String getScheme() {
		return SCHEME;
	}
	
	@Override
	protected int scheduleInMinutes() {
		return 5;
	}
}