Update MapProgressChangeListener to be aware of route visibility

Author: danesfeder

libandroid-navigation-ui/src/main/java/com/mapbox/services/android/navigation/ui/v5/route/MapRouteProgressChangeListener.java

@@ -11,6 +11,7 @@
 class MapRouteProgressChangeListener implements ProgressChangeListener {
 
   private final NavigationMapRoute mapRoute;
+  private boolean isVisible = true;
 
   MapRouteProgressChangeListener(NavigationMapRoute mapRoute) {
     this.mapRoute = mapRoute;
@@ -25,9 +26,13 @@ public void onProgressChange(Location location, RouteProgress routeProgress) {
     mapRoute.addUpcomingManeuverArrow(routeProgress);
   }
 
+  void updateVisibility(boolean isVisible) {
+    this.isVisible = isVisible;
+  }
+
   private void addNewRoute(DirectionsRoute currentRoute, List<DirectionsRoute> directionsRoutes,
                            int primaryRouteIndex) {
-    if (isANewRoute(currentRoute, directionsRoutes, primaryRouteIndex)) {
+    if (isVisible && isANewRoute(currentRoute, directionsRoutes, primaryRouteIndex)) {
       mapRoute.addRoute(currentRoute);
     }
   }

libandroid-navigation-ui/src/main/java/com/mapbox/services/android/navigation/ui/v5/route/NavigationMapRoute.java

@@ -172,7 +172,7 @@ public class NavigationMapRoute implements MapView.OnMapChangedListener,
   private GeoJsonSource arrowHeadGeoJsonSource;
   private Feature arrowShaftGeoJsonFeature = Feature.fromGeometry(Point.fromLngLat(0, 0));
   private Feature arrowHeadGeoJsonFeature = Feature.fromGeometry(Point.fromLngLat(0, 0));
-  private ProgressChangeListener progressChangeListener = new MapRouteProgressChangeListener(this);
+  private MapRouteProgressChangeListener progressChangeListener = new MapRouteProgressChangeListener(this);
 
   /**
    * Construct an instance of {@link NavigationMapRoute}.
@@ -413,12 +413,14 @@ private void drawRoutes() {
       addRouteShieldLayer(layerIds.get(layerIds.size() - 2), sourceId, index);
       addRouteLayer(layerIds.get(layerIds.size() - 1), sourceId, index);
     }
+    progressChangeListener.updateVisibility(true);
   }
 
   private void clearRoutes() {
     removeLayerIds();
-    updateArrowLayersVisibilityTo(false);
     clearRouteListData();
+    updateArrowLayersVisibilityTo(false);
+    progressChangeListener.updateVisibility(false);
   }
 
   private void generateFeatureCollectionList(List<DirectionsRoute> directionsRoutes) {