src/cgeo/geocaching/googlemaps/googleOverlay.java


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package cgeo.geocaching.googlemaps;

import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

import android.app.Activity;
import android.graphics.Canvas;
import cgeo.geocaching.cgSettings;
import cgeo.geocaching.mapcommon.cgMapMyOverlay;
import cgeo.geocaching.mapcommon.cgOverlayScale;
import cgeo.geocaching.mapinterfaces.MapViewImpl;
import cgeo.geocaching.mapinterfaces.OverlayBase;
import cgeo.geocaching.mapinterfaces.OverlayImpl;

import com.google.android.maps.MapView;
import com.google.android.maps.Overlay;

public class googleOverlay extends Overlay implements OverlayImpl {

	private OverlayBase overlayBase = null;
	private Lock lock = new ReentrantLock();
	
	public googleOverlay(Activity activityIn, cgSettings settingsIn, overlayType ovlType) {
		switch (ovlType) {
			case PositionOverlay:
				overlayBase = new cgMapMyOverlay(settingsIn, activityIn, this);
				break;
			case ScaleOverlay:
				overlayBase = new cgOverlayScale(activityIn, settingsIn, this);
		}
	}
	
	@Override
	public void draw(Canvas canvas, MapView mapView, boolean shadow) {
		super.draw(canvas, mapView, shadow);
		
		if (overlayBase != null) {
			overlayBase.draw(canvas, (MapViewImpl) mapView, shadow);
		}
	}

	public OverlayBase getBase() {
		return overlayBase;
	}

	@Override
	public void lock() {
		lock.lock();
	}

	@Override
	public void unlock() {
		lock.unlock();
	}
}