From 2cf7294ce0c793395361f31835dbaa79d19fe973 Mon Sep 17 00:00:00 2001
From: Felix Schulze <thefeli73@hotmail.com>
Date: Tue, 12 Nov 2019 18:02:52 +0100
Subject: [PATCH] passive eventlisteners

---
 src/js/material.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/js/material.js b/src/js/material.js
index 994825a..92f5a70 100644
--- a/src/js/material.js
+++ b/src/js/material.js
@@ -3120,7 +3120,7 @@ MaterialTooltip.prototype.init = function () {
             this.forElement_.addEventListener('touchend', this.boundMouseEnterHandler, false);
             this.forElement_.addEventListener('mouseleave', this.boundMouseLeaveAndScrollHandler, false);
             window.addEventListener('scroll', this.boundMouseLeaveAndScrollHandler, true);
-            window.addEventListener('touchstart', this.boundMouseLeaveAndScrollHandler);
+            window.addEventListener('touchstart', this.boundMouseLeaveAndScrollHandler, {passive: true});
         }
     }
 };
@@ -3905,7 +3905,7 @@ MaterialRipple.prototype.init = function () {
             this.ignoringMouseDown_ = false;
             this.boundDownHandler = this.downHandler_.bind(this);
             this.element_.addEventListener('mousedown', this.boundDownHandler);
-            this.element_.addEventListener('touchstart', this.boundDownHandler);
+            this.element_.addEventListener('touchstart', this.boundDownHandler, {passive: true});
             this.boundUpHandler = this.upHandler_.bind(this);
             this.element_.addEventListener('mouseup', this.boundUpHandler);
             this.element_.addEventListener('mouseleave', this.boundUpHandler);