MarkerInfo.java

package org.droidplanner.android.maps;

import android.content.res.Resources;
import android.graphics.Bitmap;

import com.o3dr.services.android.lib.coordinate.LatLong;

/**
 * Defines the methods expected from a MarkerInfo instance. The marker info
 * object is used to gather information to generate a marker.
 */
public interface MarkerInfo {

	/**
	 * @return marker's alpha (opacity) value.
	 */
	float getAlpha();

	/**
	 * @return marker's horizontal distance normalized to [0,1], of the anchor
	 *         from the left edge.
	 */
	float getAnchorU();

	/**
	 * @return marker's vertical distance normalized to [0, 1], of the anchor
	 *         from the top edge.
	 */
	float getAnchorV();

	/**
	 * @return marker's icon resource id.
	 */
	Bitmap getIcon(Resources res);

	/**
	 * @return horizontal distance normalized to [0, 1] of the info window
	 *         anchor from the left edge.
	 */
	float getInfoWindowAnchorU();

	/**
	 * @return vertical distance normalized to [0,1] of the info window anchor
	 *         from the top edge.
	 */
	float getInfoWindowAnchorV();

	/**
	 * @return marker's map coordinate.
	 */
	LatLong getPosition();

	/**
	 * Updates the marker info's position.
	 *
     * @param coord
     *            position update.
     */
	void setPosition(LatLong coord);

	/**
	 * @return marker's rotation.
	 */
	float getRotation();

	/**
	 * @return string containing the marker's snippet.
	 */
	String getSnippet();

	/**
	 * @return the marker's title.
	 */
	String getTitle();

	/**
	 * @return true if the marker's draggable.
	 */
	boolean isDraggable();

	/**
	 * @return true if the marker's flat.
	 */
	boolean isFlat();

	/**
	 * @return true if the marker's visible.
	 */
	boolean isVisible();

	/**
	 * Default implementation of the MarkerInfo interface.
	 */
	public static class SimpleMarkerInfo implements MarkerInfo {

		@Override
		public float getAlpha() {
			return 1;
		}

		@Override
		public float getAnchorU() {
			return 0;
		}

		@Override
		public float getAnchorV() {
			return 0;
		}

		@Override
		public Bitmap getIcon(Resources res) {
			return null;
		}

		@Override
		public float getInfoWindowAnchorU() {
			return 0;
		}

		@Override
		public float getInfoWindowAnchorV() {
			return 0;
		}

		@Override
		public LatLong getPosition() {
			return null;
		}

		@Override
		public void setPosition(LatLong coord) {
		}

		@Override
		public float getRotation() {
			return 0;
		}

		@Override
		public String getSnippet() {
			return null;
		}

		@Override
		public String getTitle() {
			return null;
		}

		@Override
		public boolean isDraggable() {
			return false;
		}

		@Override
		public boolean isFlat() {
			return false;
		}

		@Override
		public boolean isVisible() {
			return false;
		}
	}


}