From: Kevin Ball <kmball11@gmail.com>
Date: Wed, 18 May 2016 21:31:51 +0000 (-0700)
Subject: Fix offset of touch events for vertical slider on android
X-Git-Tag: v6.2.2-rc2~1^2~2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=804744d5a6e23723a91ee924845b7ea3853f4294;p=thirdparty%2Ffoundation%2Ffoundation-sites.git

Fix offset of touch events for vertical slider on android
---

diff --git a/js/foundation.slider.js b/js/foundation.slider.js
index 89da741ae..dce1ab200 100644
--- a/js/foundation.slider.js
+++ b/js/foundation.slider.js
@@ -275,11 +275,14 @@ class Slider {
           eventOffset = vertical ? e.pageY : e.pageX,
           halfOfHandle = this.$handle[0].getBoundingClientRect()[param] / 2,
           barDim = this.$element[0].getBoundingClientRect()[param],
-          // touch events emulated by the touch util give position relative to screen, add window.scroll to event coordinates...
           windowScroll = vertical ? $(window).scrollTop() : $(window).scrollLeft();
 
 
-      var eventFromBar = eventOffset - this.$element.offset()[direction];
+      var elemOffset = this.$element.offset()[direction];
+
+      // touch events emulated by the touch util give position relative to screen, add window.scroll to event coordinates...
+      if (eventOffset < elemOffset) { eventOffset = eventOffset + windowScroll; }
+      var eventFromBar = eventOffset - elemOffset;
       var barXY;
       if (eventFromBar < 0) {
         barXY = 0;