if ( typeof jQuery == "undefined" || jQuery.event.triggered )
return val;
- val = jQuery.event.handle.apply(elem, arguments);
+ val = jQuery.event.handle.apply(arguments.callee.elem, arguments);
return val;
});
+ // Add elem as a property of the handle function
+ // This is to prevent a memory leak with non-native
+ // event in IE.
+ handle.elem = elem;
// Handle multiple events seperated by a space
// jQuery(...).bind("mouseover mouseout", fn);
// Keep track of which events have been used, for global triggering
jQuery.event.global[type] = true;
});
+
+ // Nullify elem to prevent memory leaks in IE
+ elem = null;
},
guid: 1,
if ( events ) {
// Unbind all events for the element
- if ( !types )
+ if ( types == undefined || (typeof types == "string" && types.charAt(0) == ".") )
for ( var type in events )
- this.remove( elem, type );
+ this.remove( elem, type + (types || "") );
else {
// types is actually an event object here
if ( types.type ) {
// remove generic event handler if no more handlers exist
for ( ret in events[type] ) break;
if ( !ret ) {
- if ( !jQuery.event.special[type] || jQuery.event.special[type].teardown.call(this, elem) === false ) {
+ if ( !jQuery.event.special[type] || jQuery.event.special[type].teardown.call(elem) === false ) {
if (elem.removeEventListener)
elem.removeEventListener(type, jQuery.data(elem, "handle"), false);
else if (elem.detachEvent)
// Remove the expando if it's no longer used
for ( ret in events ) break;
if ( !ret ) {
+ var handle = jQuery.data( elem, "handle" );
+ if ( handle ) handle.elem = null;
jQuery.removeData( elem, "events" );
jQuery.removeData( elem, "handle" );
}
// Clone the incoming data, if any
data = jQuery.makeArray(data || []);
+ if ( type.indexOf("!") >= 0 ) {
+ type = type.slice(0, -1);
+ var exclusive = true;
+ }
+
// Handle a global trigger
if ( !elem ) {
// Only trigger if we've ever bound an event for it
// Enforce the right trigger type
data[0].type = type;
+ if ( exclusive )
+ data[0].exclusive = true;
// Trigger the event
if ( jQuery.isFunction( jQuery.data(elem, "handle") ) )
data.shift();
// Handle triggering of extra function
- if ( extra ) {
+ if ( extra && jQuery.isFunction( extra ) ) {
// call the extra function and tack the current return value on the end for possible inspection
- var ret = extra.apply( elem, data.concat( val ) );
+ ret = extra.apply( elem, val == null ? data : data.concat( val ) );
// if anything is returned, give it precedence and have it overwrite the previous value
if (ret !== undefined)
val = ret;
args[0].data = handler.data;
// Filter the functions by class
- if ( !parts[1] || handler.type == parts[1] ) {
+ if ( !parts[1] && !event.exclusive || handler.type == parts[1] ) {
var ret = handler.apply( this, args );
if ( val !== false )
}
// Add which for key events
- if ( !event.which && (event.charCode || event.keyCode) )
+ if ( !event.which && ((event.charCode || event.charCode === 0) ? event.charCode : event.keyCode) )
event.which = event.charCode || event.keyCode;
// Add metaKey to non-Mac browsers (use ctrl for PC's and Meta for Macs)
special: {
ready: {
setup: function() {
- var handler = jQuery.event.special.ready.handler;
-
- // Mozilla, Opera and webkit nightlies currently support this event
- if ( document.addEventListener )
- // Use the handy event callback
- document.addEventListener( "DOMContentLoaded", handler, false );
-
- // If Safari or IE is used
- // Continually check to see if the document is ready
- if ((jQuery.browser.msie && window == top) || jQuery.browser.safari ) (function(){
- try {
- // If IE is used, use the trick by Diego Perini
- // http://javascript.nwbox.com/IEContentLoaded/
- if ( jQuery.browser.msie || document.readyState != "loaded" && document.readyState != "complete" )
- document.documentElement.doScroll("left");
- } catch( error ) {
- setTimeout( arguments.callee, 0 );
- return;
- }
-
- // and execute any waiting functions
- handler();
- })();
-
- // A fallback to window.onload, that will always work
- jQuery.event.add( window, "load", handler );
+ // Make sure the ready event is setup
+ bindReady();
+ return;
},
- teardown: function() {return;},
-
- handler: function() {
- // Make sure that the DOM is not already loaded
- if ( !jQuery.isReady ) {
- // Remember that the DOM is ready
- jQuery.isReady = true;
- jQuery(document).triggerHandler("ready");
- jQuery(document).unbind("ready");
- }
- }
+ teardown: function() { return; }
},
mouseenter: {
hover: function(fnOver, fnOut) {
return this.bind('mouseenter', fnOver).bind('mouseleave', fnOut);
+ },
+
+ ready: function(fn) {
+ // Attach the listeners
+ bindReady();
+
+ // If the DOM is already ready
+ if ( jQuery.isReady )
+ // Execute the function immediately
+ fn.call( document, jQuery );
+
+ // Otherwise, remember the function for later
+ else
+ // Add the function to the wait list
+ jQuery.readyList.push( function() { return fn.call(this, jQuery); } );
+
+ return this;
}
});
jQuery.extend({
- isReady: false
+ isReady: false,
+ readyList: [],
+ // Handle when the DOM is ready
+ ready: function() {
+ // Make sure that the DOM is not already loaded
+ if ( !jQuery.isReady ) {
+ // Remember that the DOM is ready
+ jQuery.isReady = true;
+
+ // If there are functions bound, to execute
+ if ( jQuery.readyList ) {
+ // Execute all of them
+ jQuery.each( jQuery.readyList, function(){
+ this.apply( document );
+ });
+
+ // Reset the list of functions
+ jQuery.readyList = null;
+ }
+
+ // Trigger any bound ready events
+ jQuery(document).triggerHandler("ready");
+ }
+ }
});
-jQuery.each( ("blur,focus,load,ready,resize,scroll,unload,click,dblclick," +
+var readyBound = false;
+
+function bindReady(){
+ if ( readyBound ) return;
+ readyBound = true;
+
+ // Mozilla, Opera (see further below for it) and webkit nightlies currently support this event
+ if ( document.addEventListener && !jQuery.browser.opera)
+ // Use the handy event callback
+ document.addEventListener( "DOMContentLoaded", jQuery.ready, false );
+
+ // If IE is used and is not in a frame
+ // Continually check to see if the document is ready
+ if ( jQuery.browser.msie && window == top ) (function(){
+ if (jQuery.isReady) return;
+ try {
+ // If IE is used, use the trick by Diego Perini
+ // http://javascript.nwbox.com/IEContentLoaded/
+ document.documentElement.doScroll("left");
+ } catch( error ) {
+ setTimeout( arguments.callee, 0 );
+ return;
+ }
+ // and execute any waiting functions
+ jQuery.ready();
+ })();
+
+ if ( jQuery.browser.opera )
+ document.addEventListener( "DOMContentLoaded", function () {
+ if (jQuery.isReady) return;
+ for (var i = 0; i < document.styleSheets.length; i++)
+ if (document.styleSheets[i].disabled) {
+ setTimeout( arguments.callee, 0 );
+ return;
+ }
+ // and execute any waiting functions
+ jQuery.ready();
+ }, false);
+
+ if ( jQuery.browser.safari ) {
+ var numStyles;
+ (function(){
+ if (jQuery.isReady) return;
+ if ( document.readyState != "loaded" && document.readyState != "complete" ) {
+ setTimeout( arguments.callee, 0 );
+ return;
+ }
+ if ( numStyles === undefined )
+ numStyles = jQuery("style, link[rel=stylesheet]").length;
+ if ( document.styleSheets.length != numStyles ) {
+ setTimeout( arguments.callee, 0 );
+ return;
+ }
+ // and execute any waiting functions
+ jQuery.ready();
+ })();
+ }
+
+ // A fallback to window.onload, that will always work
+ jQuery.event.add( window, "load", jQuery.ready );
+}
+
+jQuery.each( ("blur,focus,load,resize,scroll,unload,click,dblclick," +
"mousedown,mouseup,mousemove,mouseover,mouseout,change,select," +
"submit,keydown,keypress,keyup,error").split(","), function(i, name){
// Check if mouse(over|out) are still within the same parent element
var parent = event.relatedTarget;
// Traverse up the tree
- while ( parent && parent != elem ) try { parent = parent.parentNode } catch(error) { parent = elem; };
+ while ( parent && parent != elem ) try { parent = parent.parentNode; } catch(error) { parent = elem; }
// Return true if we actually just moused on to a sub-element
return parent == elem;
};
git.asbjorn.biz / jquery.git / blobdiff