1package eu.siacs.conversations.ui.widget;
 2
 3import android.annotation.TargetApi;
 4import android.content.Context;
 5import android.graphics.Bitmap;
 6import android.graphics.Canvas;
 7import android.graphics.Paint;
 8import android.graphics.Point;
 9import android.location.Location;
10import android.os.Build;
11
12import org.osmdroid.util.GeoPoint;
13import org.osmdroid.views.MapView;
14import org.osmdroid.views.overlay.mylocation.SimpleLocationOverlay;
15
16import eu.siacs.conversations.Config;
17import eu.siacs.conversations.R;
18import microsoft.mappoint.TileSystem;
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	@TargetApi(Build.VERSION_CODES.LOLLIPOP)
28	private int getColor(final Context ctx) {
29		final int accent;
30		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
31			accent = ctx.getResources().getColor(R.color.accent, ctx.getTheme());
32		} else {
33			//noinspection deprecation
34			accent = ctx.getResources().getColor(R.color.accent);
35		}
36		return accent;
37	}
38
39	public MyLocation(final Context ctx, final Bitmap icon, final Location position) {
40		super(icon);
41		this.mapCenterPoint = new Point();
42		this.fill = new Paint(Paint.ANTI_ALIAS_FLAG);
43		final int accent = this.getColor(ctx);
44		fill.setColor(accent);
45		fill.setStyle(Paint.Style.FILL);
46		this.outline = new Paint(Paint.ANTI_ALIAS_FLAG);
47		outline.setColor(accent);
48		outline.setAlpha(50);
49		outline.setStyle(Paint.Style.FILL);
50		this.position = new GeoPoint(position);
51		this.accuracy = position.getAccuracy();
52	}
53
54	@Override
55	public void draw(final Canvas c, final MapView view, final boolean shadow) {
56		super.draw(c, view, shadow);
57
58		view.getProjection().toPixels(position, mapCenterPoint);
59		c.drawCircle(mapCenterPoint.x, mapCenterPoint.y,
60				Math.max(Config.Map.MY_LOCATION_INDICATOR_SIZE + Config.Map.MY_LOCATION_INDICATOR_OUTLINE_SIZE,
61						accuracy / (float) TileSystem.GroundResolution(position.getLatitude(), view.getZoomLevel())
62				), this.outline);
63		c.drawCircle(mapCenterPoint.x, mapCenterPoint.y, Config.Map.MY_LOCATION_INDICATOR_SIZE, this.fill);
64	}
65}