From 4abbe27bf1cb8125e2cfb4891c6f847b2fcc38df Mon Sep 17 00:00:00 2001
From: Isidore Baldado <isidorebaldado@gmail.com>
Date: Tue, 7 Jan 2020 10:49:29 -0500
Subject: [PATCH] Labels in header views sometimes became misaligned from the
 rest of the collection view content after rotation. The cause was header
 views were not always handling layoutMargin changes. This change is similar
 to what CollectionViewCell is already doing.

---
 Wikipedia/Code/CollectionViewHeader.swift | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Wikipedia/Code/CollectionViewHeader.swift b/Wikipedia/Code/CollectionViewHeader.swift
index 87364f524c0..f42f14eacf6 100644
--- a/Wikipedia/Code/CollectionViewHeader.swift
+++ b/Wikipedia/Code/CollectionViewHeader.swift
@@ -90,6 +90,11 @@ class CollectionViewHeader: SizeThatFitsReusableView {
         button.titleLabel?.font = UIFont.wmf_font(buttonTextStyle, compatibleWithTraitCollection: traitCollection)
     }
     
+    override func layoutMarginsDidChange() {
+        super.layoutMarginsDidChange()
+        setNeedsLayout()
+    }
+    
     override func sizeThatFits(_ size: CGSize, apply: Bool) -> CGSize {
         let additionalMargins: UIEdgeInsets
         switch style {