From 35d27c6aed17eb337bfdc4a2be731da304ffc370 Mon Sep 17 00:00:00 2001
From: Steven Jones <steven.jones@computerminds.co.uk>
Date: Tue, 8 Aug 2017 19:28:34 +0100
Subject: [PATCH] Disable the default handling of the pinch event when handling
 it. (#3334)

* Disable the default handling of the pinch event when handling it.

* Also disable the touch events to prevent double tap zooming.
---
 lib/timeline/Range.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/timeline/Range.js b/lib/timeline/Range.js
index 8d59d9e0..09ed08a4 100644
--- a/lib/timeline/Range.js
+++ b/lib/timeline/Range.js
@@ -664,6 +664,8 @@ Range.prototype._onTouch = function (event) {  // eslint-disable-line no-unused-
   this.props.touch.center = null;
   this.scaleOffset = 0;
   this.deltaDifference = 0;
+  // Disable the browser default handling of this event.
+  util.preventDefault(event);
 };
 
 /**
@@ -675,6 +677,9 @@ Range.prototype._onPinch = function (event) {
   // only allow zooming when configured as zoomable and moveable
   if (!(this.options.zoomable && this.options.moveable)) return;
 
+  // Disable the browser default handling of this event.
+  util.preventDefault(event);
+
   this.props.touch.allowDragging = false;
 
   if (!this.props.touch.center) {