fix for #4189, live/die now work with contexts other than just document
[jquery.git] / src / event.js
index 06a6d83..e5f6a45 100644 (file)
@@ -26,10 +26,7 @@ jQuery.event = {
                        var fn = handler;
 
                        // Create unique handler function, wrapped around original handler
-                       handler = this.proxy( fn, function() {
-                               // Pass arguments and context to original handler
-                               return fn.apply(this, arguments);
-                       });
+                       handler = this.proxy( fn );
 
                        // Store data in unique handler
                        handler.data = data;
@@ -119,7 +116,7 @@ jQuery.event = {
                                        // Namespaced event handlers
                                        var namespaces = type.split(".");
                                        type = namespaces.shift();
-                                       var namespace = RegExp("(^|\\.)" + namespaces.slice().sort().join(".*\\.") + "(\\.|$)");
+                                       var namespace = new RegExp("(^|\\.)" + namespaces.slice().sort().join(".*\\.") + "(\\.|$)");
 
                                        if ( events[type] ) {
                                                // remove the given handler for the given type
@@ -243,7 +240,8 @@ jQuery.event = {
                var all, handlers;
 
                event = arguments[0] = jQuery.event.fix( event || window.event );
-
+               event.currentTarget = this;
+               
                // Namespaced event handlers
                var namespaces = event.type.split(".");
                event.type = namespaces.shift();
@@ -251,7 +249,7 @@ jQuery.event = {
                // Cache this now, all = true means, any handler
                all = !namespaces.length && !event.exclusive;
                
-               var namespace = RegExp("(^|\\.)" + namespaces.slice().sort().join(".*\\.") + "(\\.|$)");
+               var namespace = new RegExp("(^|\\.)" + namespaces.slice().sort().join(".*\\.") + "(\\.|$)");
 
                handlers = ( jQuery.data(this, "events") || {} )[event.type];
 
@@ -334,6 +332,7 @@ jQuery.event = {
        },
 
        proxy: function( fn, proxy ){
+               proxy = proxy || function(){ return fn.apply(this, arguments); };
                // Set the guid of unique handler to the same of original handler, so it can be removed
                proxy.guid = fn.guid = fn.guid || proxy.guid || this.guid++;
                // So proxy can be declared as an argument
@@ -355,14 +354,14 @@ jQuery.event = {
                        },
                        teardown:  function( namespaces ){
                                if ( namespaces.length ) {
-                                       var remove = 0, name = RegExp("(^|\\.)" + namespaces[0] + "(\\.|$)");
+                                       var remove = 0, name = new RegExp("(^|\\.)" + namespaces[0] + "(\\.|$)");
                                        
                                        jQuery.each( (jQuery.data(this, "events").live || {}), function(){
                                                if ( name.test(this.type) )
                                                        remove++;
                                        });
                                        
-                                       if ( remove <= 1 )
+                                       if ( remove < 1 )
                                                jQuery.event.remove( this, namespaces[0], liveHandler );
                                }
                        }
@@ -379,13 +378,13 @@ jQuery.Event = function( src ){
        if( src && src.type ){
                this.originalEvent = src;
                this.type = src.type;
-               this.timeStamp = src.timeStamp;
        // Event type
        }else
                this.type = src;
 
-       if( !this.timeStamp )
-               this.timeStamp = now();
+       // timeStamp is buggy for some events on Firefox(#3843)
+       // So we won't rely on the native value
+       this.timeStamp = now();
        
        // Mark it as fixed
        this[expando] = true;
@@ -546,27 +545,43 @@ jQuery.fn.extend({
        },
        
        live: function( type, fn ){
-               jQuery(document).bind( liveConvert(type, this.selector), this.selector, fn );
+               var proxy = jQuery.event.proxy( fn );
+               proxy.guid += this.selector + type;
+
+               jQuery( this.context ).bind( liveConvert(type, this.selector), this.selector, proxy );
+
                return this;
        },
        
        die: function( type, fn ){
-               jQuery(document).unbind( liveConvert(type, this.selector), fn );
+               jQuery( this.context ).unbind( liveConvert(type, this.selector), fn ? { guid: fn.guid + this.selector + type } : null );
                return this;
        }
 });
 
 function liveHandler( event ){
-       var check = RegExp("(^|\\.)" + event.type + "(\\.|$)"),
-               stop = true;
+       var check = new RegExp("(^|\\.)" + event.type + "(\\.|$)"),
+               stop = true,
+               elems = [];
 
        jQuery.each(jQuery.data(this, "events").live || [], function(i, fn){
-               if ( !event.isImmediatePropagationStopped() && check.test(fn.type) ) {
+               if ( check.test(fn.type) ) {
                        var elem = jQuery(event.target).closest(fn.data)[0];
-                       if ( elem && fn.call(elem, event, fn.data) === false )
-                               stop = false;
+                       if ( elem )
+                               elems.push({ elem: elem, fn: fn });
                }
        });
+
+       elems.sort(function(a,b) {
+               return jQuery.data(a.elem, "closest") - jQuery.data(b.elem, "closest");
+       });
+       
+       jQuery.each(elems, function(){
+               event.currentTarget = this.elem;
+               if ( this.fn.call(this.elem, event, this.fn.data) === false )
+                       return (stop = false);
+       });
+
        return stop;
 }
 
@@ -628,7 +643,7 @@ function bindReady(){
 
                // If IE and not an iframe
                // continually check to see if the document is ready
-               if ( document.documentElement.doScroll && !window.frameElement ) (function(){
+               if ( document.documentElement.doScroll && window == window.top ) (function(){
                        if ( jQuery.isReady ) return;
 
                        try {
@@ -662,6 +677,9 @@ jQuery.each( ("blur,focus,load,resize,scroll,unload,click,dblclick," +
 // Prevent memory leaks in IE
 // And prevent errors on refresh with events like mouseover in other browsers
 // Window isn't included so as not to unbind existing unload events
+// More info:
+//  - http://isaacschlueter.com/2006/10/msie-memory-leaks/
+//  - https://bugzilla.mozilla.org/show_bug.cgi?id=252542
 jQuery( window ).bind( 'unload', function(){ 
        for ( var id in jQuery.cache )
                // Skip the window