[ios] added repro for 14779

1 files changed, 20 insertions, 0 deletions

diff --git a/platform/ios/app/MBXViewController.m b/platform/ios/app/MBXViewController.m
index 893cee1cd..f05b696a1 100644
--- a/platform/ios/app/MBXViewController.m
+++ b/platform/ios/app/MBXViewController.m
@@ -1066,6 +1066,26 @@ CLLocationCoordinate2D randomWorldCoordinate() {
             [self.mapView.style addLayer:layer];
         }
     }
+    
+    CLLocationCoordinate2D visibleCoordinates[4] = {
+        self.mapView.visibleCoordinateBounds.ne,
+        CLLocationCoordinate2DMake(self.mapView.visibleCoordinateBounds.ne.latitude, self.mapView.visibleCoordinateBounds.sw.longitude),
+        self.mapView.visibleCoordinateBounds.sw,
+        CLLocationCoordinate2DMake(self.mapView.visibleCoordinateBounds.sw.latitude, self.mapView.visibleCoordinateBounds.ne.longitude)
+    };
+    NSUInteger numberOfCoordinates = sizeof(visibleCoordinates) / sizeof(CLLocationCoordinate2D);
+    MGLPolygon *shape = [MGLPolygon polygonWithCoordinates:visibleCoordinates count:numberOfCoordinates];
+    MGLShapeSource *shapeSource = [[MGLShapeSource alloc] initWithIdentifier:@"visible-coord" shape:shape options:nil];
+    [self.mapView.style addSource:shapeSource];
+    
+    MGLFillStyleLayer *shapeLayer = [[MGLFillStyleLayer alloc] initWithIdentifier:@"visible-coord" source:shapeSource];
+    shapeLayer.fillOpacity = [NSExpression expressionForConstantValue:@0.5];
+    MGLStyleLayer *annotLayer = [self.mapView.style layerWithIdentifier:@"com.mapbox.annotations.points"];
+    if (annotLayer) {
+        [self.mapView.style insertLayer:shapeLayer belowLayer:annotLayer];
+    } else {
+        [self.mapView.style addLayer:shapeLayer];
+    }
 }
 
 - (void)styleWaterLayer