From d2782804cb1749b22c7f5bce2e809a236f73f7d8 Mon Sep 17 00:00:00 2001
From: Andrew Nicols <andrew@nicols.co.uk>
Date: Tue, 22 Apr 2014 16:07:29 +0800
Subject: [PATCH] MDL-45124 dndupload: Lowercase types when comparing

IE helpfull uses a mixed-case version of 'Text' which fails the string
comparison. All other browsers use lowercase for their mime-types.
---
 course/dndupload.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/course/dndupload.js b/course/dndupload.js
index 5207f107a07..df6c35c5053 100644
--- a/course/dndupload.js
+++ b/course/dndupload.js
@@ -232,8 +232,12 @@ M.course_dndupload = {
     types_includes: function(e, type) {
         var i;
         var types = e._event.dataTransfer.types;
+        type = type.toLowerCase();
         for (i=0; i<types.length; i++) {
-            if (types[i] == type) {
+            if (!types.hasOwnProperty(i)) {
+                continue;
+            }
+            if (types[i].toLowerCase() === type) {
                 return true;
             }
         }