From: Kyle Baggott <Kyle_Baggott@hotmail.co.uk>
Date: Mon, 1 Feb 2016 21:38:56 +0000 (+0000)
Subject: Adding touchOVER check to the pageX/Y
X-Git-Url: https://adrianiainlam.tk/git/?a=commitdiff_plain;h=83008f0ac1a69feb8a23d489cd706b464e69646b;p=dygraphs.git

Adding touchOVER check to the pageX/Y

Adding touchOVER check to the pageX/Y as it only exists under touches for touch events.
---

diff --git a/src/dygraph-utils.js b/src/dygraph-utils.js
index a960ba7..682c441 100644
--- a/src/dygraph-utils.js
+++ b/src/dygraph-utils.js
@@ -193,6 +193,7 @@ Dygraph.findPos = function(obj) {
  * @private
  */
 Dygraph.pageX = function(e) {
+  if (e.isTouchOver) return (!e.touches[0] || e.touches[0].pageX < 0) ? 0 : e.touches[0].pageX;
   return (!e.pageX || e.pageX < 0) ? 0 : e.pageX;
 };
 
@@ -205,6 +206,7 @@ Dygraph.pageX = function(e) {
  * @private
  */
 Dygraph.pageY = function(e) {
+  if (e.isTouchOver) return (!e.touches[0] || e.touches[0].pageY < 0) ? 0 : e.touches[0].pageY;
   return (!e.pageY || e.pageY < 0) ? 0 : e.pageY;
 };