From 4ae2948d53b0c8e33ba7299bc5635c8aae47cc84 Mon Sep 17 00:00:00 2001
From: Garrett Moon <garrett@excitedpixel.com>
Date: Tue, 20 Dec 2016 14:29:32 -0800
Subject: [PATCH] These messages must be called on main. (#2814)

---
 AsyncDisplayKit/ASDisplayNode.mm | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/AsyncDisplayKit/ASDisplayNode.mm b/AsyncDisplayKit/ASDisplayNode.mm
index 54299e1d9c..23657c678e 100644
--- a/AsyncDisplayKit/ASDisplayNode.mm
+++ b/AsyncDisplayKit/ASDisplayNode.mm
@@ -3029,8 +3029,10 @@ void recursivelyTriggerDisplayForLayer(CALayer *layer, BOOL shouldBlock)
 
 - (void)recursivelyClearContents
 {
-  ASDisplayNodePerformBlockOnEveryNode(nil, self, YES, ^(ASDisplayNode * _Nonnull node) {
-    [node clearContents];
+  ASPerformBlockOnMainThread(^{
+    ASDisplayNodePerformBlockOnEveryNode(nil, self, YES, ^(ASDisplayNode * _Nonnull node) {
+      [node clearContents];
+    });
   });
 }
 
@@ -3043,15 +3045,19 @@ void recursivelyTriggerDisplayForLayer(CALayer *layer, BOOL shouldBlock)
 
 - (void)recursivelyPreload
 {
-  ASDisplayNodePerformBlockOnEveryNode(nil, self, YES, ^(ASDisplayNode * _Nonnull node) {
-    [node didEnterPreloadState];
+  ASPerformBlockOnMainThread(^{
+    ASDisplayNodePerformBlockOnEveryNode(nil, self, YES, ^(ASDisplayNode * _Nonnull node) {
+      [node didEnterPreloadState];
+    });
   });
 }
 
 - (void)recursivelyClearPreloadedData
 {
-  ASDisplayNodePerformBlockOnEveryNode(nil, self, YES, ^(ASDisplayNode * _Nonnull node) {
-    [node didExitPreloadState];
+  ASPerformBlockOnMainThread(^{
+    ASDisplayNodePerformBlockOnEveryNode(nil, self, YES, ^(ASDisplayNode * _Nonnull node) {
+      [node didExitPreloadState];
+    });
   });
 }