From 8b7ac3c37dc44e6477680fd445edb4cadfc7dd95 Mon Sep 17 00:00:00 2001
From: Levi McCallum <levi.mccallum@nfl.com>
Date: Tue, 13 Oct 2015 20:45:40 -0700
Subject: [PATCH] Ensure layout controller exposes only cell item index paths
 to range controller

---
 AsyncDisplayKit/Details/ASCollectionViewLayoutController.mm | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/AsyncDisplayKit/Details/ASCollectionViewLayoutController.mm b/AsyncDisplayKit/Details/ASCollectionViewLayoutController.mm
index cbed7f2bb7..9619cba111 100644
--- a/AsyncDisplayKit/Details/ASCollectionViewLayoutController.mm
+++ b/AsyncDisplayKit/Details/ASCollectionViewLayoutController.mm
@@ -137,7 +137,9 @@ typedef struct ASRangeGeometry ASRangeGeometry;
   NSMutableSet *indexPathSet = [[NSMutableSet alloc] init];
   NSArray *layoutAttributes = [_collectionViewLayout layoutAttributesForElementsInRect:rangeBounds];
   for (UICollectionViewLayoutAttributes *la in layoutAttributes) {
-    [indexPathSet addObject:la.indexPath];
+    if (la.representedElementCategory == UICollectionElementCategoryCell) {
+      [indexPathSet addObject:la.indexPath];
+    }
   }
   return indexPathSet;
 }