From b1dd0ae09c13d855ff30452685df5035448691b4 Mon Sep 17 00:00:00 2001
From: Leo Franchi <leo@humbughq.com>
Date: Mon, 22 Apr 2013 15:35:34 -0400
Subject: [PATCH] [jquery.filedrop] Browser compatibility fixes for quirky
 browsers

Don't assume clipboardData.items since it doesn't exist on Safari
Make sure there are no files if using a clipboard drop. Safari includes a blank text/uri-list
 data entry
Firefox fix for image pasting

(imported from commit ea0d56fe73ca45cf2e4d437df23a4023bb649445)
---
 zephyr/static/third/jquery/jquery.filedrop.js | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/zephyr/static/third/jquery/jquery.filedrop.js b/zephyr/static/third/jquery/jquery.filedrop.js
index 3f35b279d4..dc503e0f37 100644
--- a/zephyr/static/third/jquery/jquery.filedrop.js
+++ b/zephyr/static/third/jquery/jquery.filedrop.js
@@ -88,7 +88,6 @@
     });
 
     function drop(e) {
-      var i;
 
       function has_type(dom_stringlist, type) {
         var j;
@@ -100,11 +99,14 @@
         return false;
       }
 
-      for (i = 0; i < opts.raw_droppable.length; i++) {
-        var type = opts.raw_droppable[i];
-        if (has_type(e.dataTransfer.types, type)) {
-          opts.rawDrop(e.dataTransfer.getData(type));
-          return false;
+      if (e.dataTransfer.files.length === 0) {
+        var i;
+        for (i = 0; i < opts.raw_droppable.length; i++) {
+          var type = opts.raw_droppable[i];
+          if (has_type(e.dataTransfer.types, type)) {
+            opts.rawDrop(e.dataTransfer.getData(type));
+            return false;
+          }
         }
       }
 
@@ -121,6 +123,11 @@
     }
 
     function paste(event) {
+      if (event.originalEvent.clipboardData === undefined ||
+          event.originalEvent.clipboardData.items === undefined) {
+        return;
+      }
+
       // Take the first image pasted in the clipboard
       var match_re = /image.*/;
       var item;