1 files changed, 107 insertions, 0 deletions
diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/location/LayerSourceProvider.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/location/LayerSourceProvider.java
new file mode 100644
index 0000000000..d6198a7da8
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/location/LayerSourceProvider.java
@@ -0,0 +1,107 @@
+package com.mapbox.mapboxsdk.location;
+
+import com.mapbox.geojson.Feature;
+import com.mapbox.mapboxsdk.style.layers.CircleLayer;
+import com.mapbox.mapboxsdk.style.layers.Layer;
+import com.mapbox.mapboxsdk.style.layers.Property;
+import com.mapbox.mapboxsdk.style.layers.SymbolLayer;
+import com.mapbox.mapboxsdk.style.sources.GeoJsonOptions;
+import com.mapbox.mapboxsdk.style.sources.GeoJsonSource;
+
+import static com.mapbox.mapboxsdk.location.LocationComponentConstants.ACCURACY_LAYER;
+import static com.mapbox.mapboxsdk.location.LocationComponentConstants.BACKGROUND_LAYER;
+import static com.mapbox.mapboxsdk.location.LocationComponentConstants.BEARING_LAYER;
+import static com.mapbox.mapboxsdk.location.LocationComponentConstants.FOREGROUND_LAYER;
+import static com.mapbox.mapboxsdk.location.LocationComponentConstants.LOCATION_SOURCE;
+import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_ACCURACY_ALPHA;
+import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_ACCURACY_COLOR;
+import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_ACCURACY_RADIUS;
+import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_BACKGROUND_ICON;
+import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_BACKGROUND_STALE_ICON;
+import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_BEARING_ICON;
+import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_COMPASS_BEARING;
+import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_FOREGROUND_ICON;
+import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_FOREGROUND_ICON_OFFSET;
+import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_FOREGROUND_STALE_ICON;
+import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_GPS_BEARING;
+import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_LOCATION_STALE;
+import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_SHADOW_ICON_OFFSET;
+import static com.mapbox.mapboxsdk.location.LocationComponentConstants.SHADOW_ICON;
+import static com.mapbox.mapboxsdk.location.LocationComponentConstants.SHADOW_LAYER;
+import static com.mapbox.mapboxsdk.style.expressions.Expression.get;
+import static com.mapbox.mapboxsdk.style.expressions.Expression.literal;
+import static com.mapbox.mapboxsdk.style.expressions.Expression.match;
+import static com.mapbox.mapboxsdk.style.expressions.Expression.stop;
+import static com.mapbox.mapboxsdk.style.expressions.Expression.switchCase;
+import static com.mapbox.mapboxsdk.style.layers.Property.ICON_ROTATION_ALIGNMENT_MAP;
+import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.circleColor;
+import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.circleOpacity;
+import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.circlePitchAlignment;
+import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.circleRadius;
+import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.circleStrokeColor;
+import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconAllowOverlap;
+import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconIgnorePlacement;
+import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconImage;
+import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconOffset;
+import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconRotate;
+import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconRotationAlignment;
+
+class LayerSourceProvider {
+
+  private static final String EMPTY_STRING = "";
+
+  GeoJsonSource generateSource(Feature locationFeature) {
+    return new GeoJsonSource(
+      LOCATION_SOURCE,
+      locationFeature,
+      new GeoJsonOptions().withMaxZoom(16)
+    );
+  }
+
+  Layer generateLayer(String layerId) {
+    SymbolLayer layer = new SymbolLayer(layerId, LOCATION_SOURCE);
+    layer.setProperties(
+      iconAllowOverlap(true),
+      iconIgnorePlacement(true),
+      iconRotationAlignment(ICON_ROTATION_ALIGNMENT_MAP),
+      iconRotate(
+        match(literal(layerId), literal(0f),
+          stop(FOREGROUND_LAYER, get(PROPERTY_GPS_BEARING)),
+          stop(BACKGROUND_LAYER, get(PROPERTY_GPS_BEARING)),
+          stop(SHADOW_LAYER, get(PROPERTY_GPS_BEARING)),
+          stop(BEARING_LAYER, get(PROPERTY_COMPASS_BEARING))
+        )
+      ),
+      iconImage(
+        match(literal(layerId), literal(EMPTY_STRING),
+          stop(FOREGROUND_LAYER, switchCase(
+            get(PROPERTY_LOCATION_STALE), get(PROPERTY_FOREGROUND_STALE_ICON),
+            get(PROPERTY_FOREGROUND_ICON))),
+          stop(BACKGROUND_LAYER, switchCase(
+            get(PROPERTY_LOCATION_STALE), get(PROPERTY_BACKGROUND_STALE_ICON),
+            get(PROPERTY_BACKGROUND_ICON))),
+          stop(SHADOW_LAYER, literal(SHADOW_ICON)),
+          stop(BEARING_LAYER, get(PROPERTY_BEARING_ICON))
+        )
+      ),
+      iconOffset(
+        match(literal(layerId), literal(new Float[] {0f, 0f}),
+          stop(literal(FOREGROUND_LAYER), get(PROPERTY_FOREGROUND_ICON_OFFSET)),
+          stop(literal(SHADOW_LAYER), get(PROPERTY_SHADOW_ICON_OFFSET))
+        )
+      )
+    );
+    return layer;
+  }
+
+  Layer generateAccuracyLayer() {
+    return new CircleLayer(ACCURACY_LAYER, LOCATION_SOURCE)
+      .withProperties(
+        circleRadius(get(PROPERTY_ACCURACY_RADIUS)),
+        circleColor(get(PROPERTY_ACCURACY_COLOR)),
+        circleOpacity(get(PROPERTY_ACCURACY_ALPHA)),
+        circleStrokeColor(get(PROPERTY_ACCURACY_COLOR)),
+        circlePitchAlignment(Property.CIRCLE_PITCH_ALIGNMENT_MAP)
+      );
+  }
+}