Cleaned up a bunch of the event code, removed .oneEvent() and .unEvent().
authorJohn Resig <jeresig@gmail.com>
Tue, 2 Jan 2007 16:43:05 +0000 (16:43 +0000)
committerJohn Resig <jeresig@gmail.com>
Tue, 2 Jan 2007 16:43:05 +0000 (16:43 +0000)
src/event/event.js

index 2ceaa93..d2609cc 100644 (file)
@@ -93,7 +93,8 @@ jQuery.event = {
        handle: function(event) {
                if ( typeof jQuery == "undefined" ) return false;
 
-               event = jQuery.event.fix( event || window.event || {} ); // Empty object is for triggered events with no data
+               // Empty object is for triggered events with no data
+               event = jQuery.event.fix( event || window.event || {} ); 
 
                // returned undefined or false
                var returnValue;
@@ -136,14 +137,16 @@ jQuery.event = {
                                
                // check if target is a textnode (safari)
                if (event.target.nodeType == 3) {
-                       // store a copy of the original event object and clone because target is read only
+                       // store a copy of the original event object 
+                       // and clone because target is read only
                        var originalEvent = event;
                        event = jQuery.extend({}, originalEvent);
                        
                        // get parentnode from textnode
                        event.target = originalEvent.target.parentNode;
                        
-                       // add preventDefault and stopPropagation since they will not work on the clone
+                       // add preventDefault and stopPropagation since 
+                       // they will not work on the clone
                        event.preventDefault = function() {
                                return originalEvent.preventDefault();
                        };
@@ -153,17 +156,15 @@ jQuery.event = {
                }
                
                // fix preventDefault and stopPropagation
-               if (!event.preventDefault) {
+               if (!event.preventDefault)
                        event.preventDefault = function() {
                                this.returnValue = false;
                        };
-               }
                        
-               if (!event.stopPropagation) {
+               if (!event.stopPropagation)
                        event.stopPropagation = function() {
                                this.cancelBubble = true;
                        };
-               }
                        
                return event;
        }
@@ -1031,36 +1032,17 @@ new function(){
                jQuery.fn[o] = function(f){
                        return f ? this.bind(o, f) : this.trigger(o);
                };
-               
-               // Handle event unbinding
-               // TODO remove
-               jQuery.fn["un"+o] = function(f){ return this.unbind(o, f); };
-               
-               // Finally, handle events that only fire once
-               // TODO remove
-               jQuery.fn["one"+o] = function(f){
-                       // save cloned reference to this
-                       var element = jQuery(this);
-                       var handler = function() {
-                               // unbind itself when executed
-                               element.unbind(o, handler);
-                               element = null;
-                               // apply original handler with the same arguments
-                               return f.apply(this, arguments);
-                       };
-                       return this.bind(o, handler);
-               };
                        
        };
        
        // If Mozilla is used
-       if ( jQuery.browser.mozilla || jQuery.browser.opera ) {
+       if ( jQuery.browser.mozilla || jQuery.browser.opera )
                // Use the handy event callback
                document.addEventListener( "DOMContentLoaded", jQuery.ready, false );
        
        // If IE is used, use the excellent hack by Matthias Miller
        // http://www.outofhanwell.com/blog/index.php?title=the_window_onload_problem_revisited
-       } else if ( jQuery.browser.msie ) {
+       else if ( jQuery.browser.msie ) {
        
                // Only works if you document.write() it
                document.write("<scr" + "ipt id=__ie_init defer=true " + 
@@ -1068,7 +1050,9 @@ new function(){
        
                // Use the defer script hack
                var script = document.getElementById("__ie_init");
-               if (script) // script does not exist if jQuery is loaded dynamically
+               
+               // script does not exist if jQuery is loaded dynamically
+               if ( script ) 
                        script.onreadystatechange = function() {
                                if ( this.readyState != "complete" ) return;
                                this.parentNode.removeChild( this );
@@ -1079,7 +1063,7 @@ new function(){
                script = null;
        
        // If Safari  is used
-       } else if ( jQuery.browser.safari ) {
+       } else if ( jQuery.browser.safari )
                // Continually check to see if the document.readyState is valid
                jQuery.safariTimer = setInterval(function(){
                        // loaded and complete are both valid states
@@ -1093,8 +1077,7 @@ new function(){
                                // and execute any waiting functions
                                jQuery.ready();
                        }
-               }, 10);
-       } 
+               }, 10); 
 
        // A fallback to window.onload, that will always work
        jQuery.event.add( window, "load", jQuery.ready );
@@ -1102,10 +1085,14 @@ new function(){
 };
 
 // Clean up after IE to avoid memory leaks
-if (jQuery.browser.msie) jQuery(window).unload(function() {
-       var event = jQuery.event, global = event.global;
-       for (var type in global) {
-               var els = global[type], i = els.length;
-               if (i>0) do if (type != 'unload') event.remove(els[i-1], type); while (--i);
-       }
-});
+if (jQuery.browser.msie)
+       jQuery(window).bind("unload", function() {
+               var global = jQuery.event.global;
+               for ( var type in global ) {
+                       var els = global[type], i = els.length;
+                       if ( i && type != 'unload' )
+                               do
+                                       jQuery.event.remove(els[i-1], type);
+                               while (--i);
+               }
+       });
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