From 0b061fb1ffaba8569b67820e47c1a183adb894a4 Mon Sep 17 00:00:00 2001
From: MrTimscampi <julien.machiels@protonmail.com>
Date: Fri, 10 Apr 2020 21:42:27 +0200
Subject: [PATCH] Remove self.document from page visibility event

---
 src/components/apphost.js | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/src/components/apphost.js b/src/components/apphost.js
index 93e1dbd02c..56e9c93521 100644
--- a/src/components/apphost.js
+++ b/src/components/apphost.js
@@ -436,16 +436,14 @@ define(["appSettings", "browser", "events", "htmlMediaHelper", "webSettings"], f
         visibilityChange = "webkitvisibilitychange";
     }
 
-    if (self.document) {
-        document.addEventListener(visibilityChange, function () {
-            /* eslint-disable-next-line compat/compat */
-            if (document[hidden]) {
-                onAppHidden();
-            } else {
-                onAppVisible();
-            }
-        }, false);
-    }
+    document.addEventListener(visibilityChange, function () {
+        /* eslint-disable-next-line compat/compat */
+        if (document[hidden]) {
+            onAppHidden();
+        } else {
+            onAppVisible();
+        }
+    }, false);
 
     if (self.addEventListener) {
         self.addEventListener("focus", onAppVisible);