ItemizedOverlayBase.java

package carnero.cgeo.mapcommon;

import android.graphics.Canvas;
import android.graphics.Point;
import android.graphics.drawable.Drawable;
import carnero.cgeo.mapinterfaces.ItemizedOverlayImpl;
import carnero.cgeo.mapinterfaces.MapProjectionImpl;
import carnero.cgeo.mapinterfaces.MapViewImpl;
import carnero.cgeo.mapinterfaces.OverlayItemImpl;

/**
 * Base class for itemized overlays. Delegates calls from deriving classes to the contained
 * provider-specific implementation.
 * @author rsudev
 *
 */
public abstract class ItemizedOverlayBase {
	
	private ItemizedOverlayImpl ovlImpl;

	public ItemizedOverlayBase(ItemizedOverlayImpl ovlImplIn) {
		ovlImpl = ovlImplIn;
	}

	void populate() {
		ovlImpl.superPopulate();
	}
	
	public boolean onTap(int index) {
		return ovlImpl.superOnTap(index);
	}
	
	Drawable boundCenter(Drawable markerIn) {
		return ovlImpl.superBoundCenter(markerIn);
	}
	
	Drawable boundCenterBottom(Drawable markerIn) {
		return ovlImpl.superBoundCenterBottom(markerIn);
	}
	
	void setLastFocusedItemIndex(int index){
		ovlImpl.superSetLastFocusedItemIndex(index);
	}
	
	public void draw(Canvas canvas, MapViewImpl mapView, boolean shadow) {
		ovlImpl.superDraw(canvas, mapView, shadow);
	}
	
	public void drawOverlayBitmap(Canvas canvas, Point drawPosition,
			MapProjectionImpl projection, byte drawZoomLevel) {
		ovlImpl.superDrawOverlayBitmap(canvas, drawPosition, projection, drawZoomLevel);
	}

	public abstract OverlayItemImpl createItem(int index);
	
	public abstract int size();
}