From 2abc07a4d2c64d69846664eb86470f593d26eafb Mon Sep 17 00:00:00 2001
From: Matthew Chen <matthew@signal.org>
Date: Mon, 11 Nov 2019 10:59:51 -0300
Subject: [PATCH] Fix divide-by-zero crash.

---
 SignalMessaging/Views/VideoEditor/VideoEditorView.swift | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/SignalMessaging/Views/VideoEditor/VideoEditorView.swift b/SignalMessaging/Views/VideoEditor/VideoEditorView.swift
index 98e9c08379..84b3d193e8 100644
--- a/SignalMessaging/Views/VideoEditor/VideoEditorView.swift
+++ b/SignalMessaging/Views/VideoEditor/VideoEditorView.swift
@@ -571,6 +571,10 @@ class TrimVideoTimelineView: UIView {
         }
 
         let thumbnailSize: CGFloat = height()
+        guard thumbnailSize > 0 else {
+            return
+        }
+
         let thumbnailCount = UInt(ceil(width() / thumbnailSize))
 
         for index in 0..<thumbnailCount {