From 3df9bddfad54891e592961885f7308e1f3177767 Mon Sep 17 00:00:00 2001
From: Eric Silverberg <eric@perrystreet.com>
Date: Tue, 25 May 2021 20:24:25 -0400
Subject: [PATCH] Invalidate layout when view is transitioning sizes

Fix issue where cells are not drawn properly when rotating from portrait to landscape
---
 Chatto/Source/ChatController/BaseChatViewController.swift | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Chatto/Source/ChatController/BaseChatViewController.swift b/Chatto/Source/ChatController/BaseChatViewController.swift
index e94221ce..53ed6ab6 100644
--- a/Chatto/Source/ChatController/BaseChatViewController.swift
+++ b/Chatto/Source/ChatController/BaseChatViewController.swift
@@ -588,6 +588,7 @@ extension BaseChatViewController { // Rotation
         let shouldScrollToBottom = self.isScrolledAtBottom()
         let referenceIndexPath = collectionView.indexPathsForVisibleItems.first
         let oldRect = self.rectAtIndexPath(referenceIndexPath)
+        collectionView.collectionViewLayout.invalidateLayout()
         coordinator.animate(alongsideTransition: { (_) -> Void in
             if shouldScrollToBottom {
                 self.scrollToBottom(animated: false)