Fixed route preview on points deletion

drape_frontend/route_renderer.cpp

@@ -452,7 +452,8 @@ void RouteRenderer::RenderRouteArrowData(dp::DrapeID subrouteId, RouteAdditional
                                          dp::UniformValuesStorage const & commonUniforms)
 {
   if (routeAdditional.m_arrowsData == nullptr ||
-      routeAdditional.m_arrowsData->m_renderProperty.m_buckets.empty())
+      routeAdditional.m_arrowsData->m_renderProperty.m_buckets.empty() ||
+      m_hiddenSubroutes.find(subrouteId) != m_hiddenSubroutes.end())
   {
     return;
   }

iphone/Maps/Classes/CustomViews/NavigationDashboard/Views/RoutePreview/RouteManager/RouteManagerViewModel.swift

@@ -14,14 +14,17 @@ final class RouteManagerViewModel: NSObject, RouteManagerViewModelProtocol {
 
   func addLocationPoint() {
     MWMRouter.addPoint(MWMRoutePoint(lastLocationAndType: .start, intermediateIndex: 0))
+    MWMRouter.updatePreviewMode()
     refreshControlsCallback()
   }
   func movePoint(at index: Int, to newIndex: Int) {
     MWMRouter.movePoint(at: index, to: newIndex)
+    MWMRouter.updatePreviewMode()
     refreshControlsCallback()
   }
   func deletePoint(at index: Int) {
     MWMRouter.removePoint(routePoints[index])
+    MWMRouter.updatePreviewMode()
     refreshControlsCallback()
   }
 }

iphone/Maps/Core/Routing/MWMRouter+RouteManager.mm

@@ -42,9 +42,12 @@
 + (void)movePointAtIndex:(NSInteger)index toIndex:(NSInteger)newIndex
 {
   NSAssert(index != newIndex, @"Route manager moves point to its' current position.");
-  auto & rm = GetFramework().GetRoutingManager();
-  rm.MoveRoutePoint(index, newIndex);
-  rm.UpdatePreviewMode();
+  GetFramework().GetRoutingManager().MoveRoutePoint(index, newIndex);
+}
+
++ (void)updatePreviewMode
+{
+  GetFramework().GetRoutingManager().UpdatePreviewMode();
 }
 
 @end

iphone/Maps/Core/Routing/MWMRouter.h

@@ -60,5 +60,6 @@ typedef void (^MWMImageHeightBlock)(UIImage *, NSString *);
 + (void)applyRouteManagerTransaction;
 + (void)cancelRouteManagerTransaction;
 + (void)movePointAtIndex:(NSInteger)index toIndex:(NSInteger)newIndex;
++ (void)updatePreviewMode;
 
 @end