Fix for #186 and for jQuery.event.fix

diff --git a/src/jquery/jquery.js b/src/jquery/jquery.js
index 76f0f0e021518b51dec5c5ea4809afe948be6cef..c17d6248bc9bf1dc9daa30d00e6174cde3d23c66 100644 (file)
--- a/src/jquery/jquery.js
+++ b/src/jquery/jquery.js
@@ -2271,7 +2271,7 @@ jQuery.extend({
                handle: function(event) {
                        if ( typeof jQuery == "undefined" ) return false;
 
-                       event = event || jQuery.event.fix( window.event );
+                       event = jQuery.event.fix( event || window.event || {} ); // Empty object is for triggered events with no data
 
                        // If no correct event was found, fail
                        if ( !event ) return false;
@@ -2291,16 +2291,18 @@ jQuery.extend({
                                }
                        }
 
+                       // Clean up added properties in IE to prevent memory leak
+                       if (jQuery.browser.msie) event.target = event.preventDefault = event.stopPropagation = null;
+
                        return returnValue;
                },
 
                fix: function(event) {
                        // check IE
                        if(jQuery.browser.msie) {
-                               // get real event from window.event
-                               event = window.event;
                                // fix target property
                                event.target = event.srcElement;
+                               
                        // check safari and if target is a textnode
                        } else if(jQuery.browser.safari && event.target.nodeType == 3) {
                                // target is readonly, clone the event object
@@ -2308,16 +2310,20 @@ jQuery.extend({
                                // get parentnode from textnode
                                event.target = event.target.parentNode;
                        }
+                       
                        // fix preventDefault and stopPropagation
-                       event.preventDefault = function() {
-                               this.returnValue = false;
-                       };
-                       event.stopPropagation = function() {
-                               this.cancelBubble = true;
-                       };
+                       if (!event.preventDefault)
+                               event.preventDefault = function() {
+                                       this.returnValue = false;
+                               };
+                               
+                       if (!event.stopPropagation)
+                               event.stopPropagation = function() {
+                                       this.cancelBubble = true;
+                               };
+                       
                        return event;
                }
-
        }
 });