MapEventsOverlay.java

package org.osmdroid.overlays;

import org.oscim.core.GeoPoint;
import org.oscim.overlay.Overlay;
import org.oscim.view.MapView;

import android.content.Context;
import android.view.MotionEvent;

/**
 * Empty overlay than can be used to detect events on the map, and to throw them
 * to a MapEventsReceiver.
 * @see MapEventsReceiver
 * @author M.Kergall
 */
public class MapEventsOverlay extends Overlay {

	private MapEventsReceiver mReceiver;

	/**
	 * @param mapView
	 *            the MapView
	 * @param receiver
	 *            the object that will receive/handle the events. It must
	 *            implement MapEventsReceiver interface.
	 */
	public MapEventsOverlay(MapView mapView, MapEventsReceiver receiver) {
		super(mapView);
		mReceiver = receiver;
	}

	@Override
	public boolean onSingleTapUp(MotionEvent e) {
		GeoPoint p = mMapView.getMapViewPosition().fromScreenPixels(e.getX(), e.getY());

		return mReceiver.singleTapUpHelper(p);
	}

	@Override
	public boolean onLongPress(MotionEvent e) {

		GeoPoint p = mMapView.getMapViewPosition().fromScreenPixels(e.getX(), e.getY());

		// throw event to the receiver:
		return mReceiver.longPressHelper(p);
	}

}