package org.jboss.errai.location.client.local;
import com.google.gwt.core.client.Callback;
import com.google.gwt.geolocation.client.Geolocation;
import com.google.gwt.geolocation.client.Position;
import com.google.gwt.geolocation.client.PositionError;
import org.jboss.errai.location.client.shared.GeoLocationEvent;
import javax.annotation.PostConstruct;
import javax.enterprise.event.Event;
import javax.inject.Inject;
import javax.inject.Singleton;
import static com.google.gwt.geolocation.client.Position.Coordinates;
/**
* @author edewit
*/
@Singleton
public class GeoLocationProvider {
@Inject
protected Event<GeoLocationEvent> geoLocationEventSource;
@PostConstruct
public void init() {
Geolocation geolocation = Geolocation.getIfSupported();
if (geolocation != null) {
geolocation.watchPosition(new Callback<Position, PositionError>() {
@Override
public void onFailure(PositionError reason) {
//TODO handle error
}
@Override
public void onSuccess(Position result) {
fire(result);
}
});
}
}
private void fire(Position result) {
Coordinates c = result.getCoordinates();
GeoLocationEvent geoLocationEvent = new GeoLocationEvent(c.getLatitude(), c.getLongitude(), c.getAccuracy());
geoLocationEventSource.fire(geoLocationEvent);
}
}