1package eu.siacs.conversations.ui.widget;
 2
 3import android.content.Context;
 4import android.graphics.Bitmap;
 5import android.graphics.Canvas;
 6import android.graphics.Paint;
 7import android.graphics.Point;
 8import android.location.Location;
 9
10import androidx.core.content.ContextCompat;
11
12import org.osmdroid.util.GeoPoint;
13import org.osmdroid.util.TileSystem;
14import org.osmdroid.views.MapView;
15import org.osmdroid.views.overlay.mylocation.SimpleLocationOverlay;
16
17import eu.siacs.conversations.Config;
18import eu.siacs.conversations.R;
19
20public class MyLocation extends SimpleLocationOverlay {
21	private final GeoPoint position;
22	private final float accuracy;
23	private final Point mapCenterPoint;
24	private final Paint fill;
25	private final Paint outline;
26
27	public MyLocation(final Context ctx, final Bitmap icon, final Location position) {
28		super(icon);
29		this.mapCenterPoint = new Point();
30		this.fill = new Paint(Paint.ANTI_ALIAS_FLAG);
31		final int accent = ContextCompat.getColor(ctx,R.color.blue500);
32		fill.setColor(accent);
33		fill.setStyle(Paint.Style.FILL);
34		this.outline = new Paint(Paint.ANTI_ALIAS_FLAG);
35		outline.setColor(accent);
36		outline.setAlpha(50);
37		outline.setStyle(Paint.Style.FILL);
38		this.position = new GeoPoint(position);
39		this.accuracy = position.getAccuracy();
40	}
41
42	@Override
43	public void draw(final Canvas c, final MapView view, final boolean shadow) {
44		super.draw(c, view, shadow);
45
46		view.getProjection().toPixels(position, mapCenterPoint);
47		c.drawCircle(mapCenterPoint.x, mapCenterPoint.y,
48				Math.max(Config.Map.MY_LOCATION_INDICATOR_SIZE + Config.Map.MY_LOCATION_INDICATOR_OUTLINE_SIZE,
49						accuracy / (float) TileSystem.GroundResolution(position.getLatitude(), view.getZoomLevel())
50				), this.outline);
51		c.drawCircle(mapCenterPoint.x, mapCenterPoint.y, Config.Map.MY_LOCATION_INDICATOR_SIZE, this.fill);
52	}
53}