From 73ca6b2ad044523b073f2339cb8d584af45efc78 Mon Sep 17 00:00:00 2001
From: Germain Souquet <germain@souquet.com>
Date: Tue, 1 Jun 2021 14:14:02 +0100
Subject: [PATCH] Add passive flag to Tooltip scroll event listener

---
 src/components/views/elements/Tooltip.tsx | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/components/views/elements/Tooltip.tsx b/src/components/views/elements/Tooltip.tsx
index 7e9ce9745c..0202c6b02f 100644
--- a/src/components/views/elements/Tooltip.tsx
+++ b/src/components/views/elements/Tooltip.tsx
@@ -70,7 +70,10 @@ export default class Tooltip extends React.Component<IProps> {
         this.tooltipContainer = document.createElement("div");
         this.tooltipContainer.className = "mx_Tooltip_wrapper";
         document.body.appendChild(this.tooltipContainer);
-        window.addEventListener('scroll', this.renderTooltip, true);
+        window.addEventListener('scroll', this.renderTooltip, {
+            passive: true,
+            capture: true,
+        });
 
         this.parent = ReactDOM.findDOMNode(this).parentNode as Element;
 
@@ -85,7 +88,9 @@ export default class Tooltip extends React.Component<IProps> {
     public componentWillUnmount() {
         ReactDOM.unmountComponentAtNode(this.tooltipContainer);
         document.body.removeChild(this.tooltipContainer);
-        window.removeEventListener('scroll', this.renderTooltip, true);
+        window.removeEventListener('scroll', this.renderTooltip, {
+            capture: true,
+        });
     }
 
     private updatePosition(style: CSSProperties) {