1 files changed, 5 insertions, 4 deletions
diff --git a/ui/static/js/touch_handler.js b/ui/static/js/touch_handler.js
index 69488a5..a6c5c81 100644
--- a/ui/static/js/touch_handler.js
+++ b/ui/static/js/touch_handler.js
@@ -83,12 +83,13 @@ class TouchHandler {
 
     listen() {
         let elements = document.querySelectorAll(".touch-item");
+        let hasPassiveOption = DomHelper.hasPassiveEventListenerOption();
 
         elements.forEach((element) => {
-            element.addEventListener("touchstart", (e) => this.onTouchStart(e), false);
-            element.addEventListener("touchmove", (e) => this.onTouchMove(e), false);
-            element.addEventListener("touchend", (e) => this.onTouchEnd(e), false);
-            element.addEventListener("touchcancel", () => this.reset(), false);
+            element.addEventListener("touchstart", (e) => this.onTouchStart(e), hasPassiveOption ? { passive: true } : false);
+            element.addEventListener("touchmove", (e) => this.onTouchMove(e), hasPassiveOption ? { passive: true } : false);
+            element.addEventListener("touchend", (e) => this.onTouchEnd(e), hasPassiveOption ? { passive: true } : false);
+            element.addEventListener("touchcancel", () => this.reset(), hasPassiveOption ? { passive: true } : false);
         });
     }
 }