X-Git-Url: https://git.auder.net/?a=blobdiff_plain;ds=sidebyside;f=base_rules.js;h=acee324a26f394eaaa40a7f16e55151cda5dcedd;hb=016306e3aa2262e141899f8d4b900421d68f5439;hp=ff698f47bd0adb99b8f900d67295eb2f8cfa0e40;hpb=2dba3fe12f4a2970e5ed01e77e07c7bece56bdc0;p=xogo.git

diff --git a/base_rules.js b/base_rules.js
index ff698f4..acee324 100644
--- a/base_rules.js
+++ b/base_rules.js
@@ -2090,9 +2090,9 @@ export default class ChessRules {
       else launchAnimation(); //focused user!
     };
     let boardContainer = document.getElementById("boardContainer");
-    if (!document.hasFocus()) {
-      window.onfocus = () => {
-        window.onfocus = undefined;
+    if (document.hidden) {
+      document.onvisibilitychange = () => {
+        document.onvisibilitychange = undefined;
         checkDisplayThenAnimate();
       };
     }