RelayParkWidgetProvider.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.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.net.Uri;
import android.os.AsyncTask;
import android.view.View;
import android.widget.RemoteViews;
import fr.gotorennes.domain.RelayPark;
import fr.gotorennes.remote.RelayParkService;

public class RelayParkWidgetProvider extends AbstractWidgetProvider {

	public static final String SCHEME = "relayParkWidget";

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

		final RelayParkService relayParkService = RelayParkService
				.getInstance(context);

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

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

		if (relayParkName != null) {

			AsyncTask<String, Void, RelayPark> task = new AsyncTask<String, Void, RelayPark>() {

				@Override
				protected RelayPark doInBackground(String... stationId) {
					return relayParkService.getRelayPark(stationId[0]);
				}

				@Override
				protected void onPostExecute(RelayPark relayPark) {
					if (relayPark == null) {
						return;
					}

						views.setTextViewText(R.id.relayParkName,
								relayPark.name);

						switch (relayPark.state) {
						case 0: // Ouvert
							views.setViewVisibility(R.id.relayParkOpen,
									View.VISIBLE);
							views.setViewVisibility(R.id.relayParkClose,
									View.GONE);
							views.setViewVisibility(R.id.relayParkFull,
									View.GONE);

							views.setTextViewText(R.id.available,
									String.valueOf(relayPark.available));
							views.setTextColor(R.id.available,
									relayPark.getColor());
							views.setTextViewText(R.id.capacity,
									String.valueOf(relayPark.capacity));
							break;
						case 2: // Complet
							views.setViewVisibility(R.id.relayParkOpen,
									View.GONE);
							views.setViewVisibility(R.id.relayParkClose,
									View.GONE);
							views.setViewVisibility(R.id.relayParkFull,
									View.VISIBLE);
							break;
						default:
							views.setViewVisibility(R.id.relayParkOpen,
									View.GONE);
							views.setViewVisibility(R.id.relayParkClose,
									View.VISIBLE);
							views.setViewVisibility(R.id.relayParkFull,
									View.GONE);
						}

						Intent intent = new Intent(context,
								RelayParkActivity.class);
						intent.putExtra("relayPark", relayPark);
						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(relayParkName);
		}
		return views;
	}

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

	@Override
	protected int scheduleInMinutes() {
		return 10;
	}
}