From 62bbc4de0d64c7ee75febcc8ec584434082cb96f Mon Sep 17 00:00:00 2001
From: Alan Knowles <alan@roojs.com>
Date: Wed, 8 Jul 2015 14:58:43 +0800
Subject: [PATCH] Roo.js

---
 Roo.js | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/Roo.js b/Roo.js
index 070c992484..a7c7a8bbdc 100644
--- a/Roo.js
+++ b/Roo.js
@@ -61,7 +61,15 @@ Roo.apply = function(o, c, defaults){
         isMac = (ua.indexOf("macintosh") != -1 || ua.indexOf("mac os x") != -1),
         isLinux = (ua.indexOf("linux") != -1),
         isSecure = window.location.href.toLowerCase().indexOf("https") === 0,
-        isTouch =  'ontouchstart' in window || window.DocumentTouch && document instanceof DocumentTouch;
+        isTouch =  (function() {
+            try {  
+                document.createEvent("TouchEvent");  
+                return true;  
+            } catch (e) {  
+                return false;  
+            } 
+            
+        })();
     // remove css image flicker
 	if(isIE && !isIE7){
         try{
-- 
2.39.2