dropdown.js in less-rails-bootstrap-2.3.3

- old
+ new

@@ -1,7 +1,7 @@
 /* ============================================================
- * bootstrap-dropdown.js v2.3.1
+ * bootstrap-dropdown.js v2.3.2
  * http://twitter.github.com/bootstrap/javascript.html#dropdowns
  * ============================================================
  * Copyright 2012 Twitter, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -50,10 +50,14 @@
       isActive = $parent.hasClass('open')
 
       clearMenus()
 
       if (!isActive) {
+        if ('ontouchstart' in document.documentElement) {
+          // if mobile we we use a backdrop because click events don't delegate
+          $('<div class="dropdown-backdrop"/>').insertBefore($(this)).on('click', clearMenus)
+        }
         $parent.toggleClass('open')
       }
 
       $this.focus()
 
@@ -102,10 +106,11 @@
     }
 
   }
 
   function clearMenus() {
+    $('.dropdown-backdrop').remove()
     $(toggle).each(function () {
       getParent($(this)).removeClass('open')
     })
   }
 
@@ -156,10 +161,9 @@
    * =================================== */
 
   $(document)
     .on('click.dropdown.data-api', clearMenus)
     .on('click.dropdown.data-api', '.dropdown form', function (e) { e.stopPropagation() })
-    .on('click.dropdown-menu', function (e) { e.stopPropagation() })
     .on('click.dropdown.data-api'  , toggle, Dropdown.prototype.toggle)
     .on('keydown.dropdown.data-api', toggle + ', [role=menu]' , Dropdown.prototype.keydown)
 
 }(window.jQuery);