From b553fb352f73f78ccfde105224536e7c49f6859a Mon Sep 17 00:00:00 2001
From: Jaifroid <egk10@cam.ac.uk>
Date: Sat, 4 Mar 2023 18:08:41 +0000
Subject: [PATCH] Fix detection of IE11 and Edge legacy

---
 www/js/lib/uiUtil.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/www/js/lib/uiUtil.js b/www/js/lib/uiUtil.js
index de7c8165..8ce8fea7 100644
--- a/www/js/lib/uiUtil.js
+++ b/www/js/lib/uiUtil.js
@@ -1066,7 +1066,7 @@ define(rqDef, function(util) {
                         // return Promise.resolve(rtn);
                     }
                 } else {
-                    if (document.documentElement.webkitRequestFullscreen || document.documentElement.msRequestFullscreen) {
+                    if (!document.documentElement.requestFullscreen && (document.documentElement.webkitRequestFullscreen || document.documentElement.msRequestFullscreen)) {
                         // We are in a Safari browser or IE11, and a click is required to enter full-screen mode
                         return 'click';
                     }