// Init the element's event structure
var events = jQuery.data(elem, "events") || jQuery.data(elem, "events", {}),
handle = jQuery.data(elem, "handle") || jQuery.data(elem, "handle", function(){
- // returned undefined or false
- var val;
-
// Handle the second event of a trigger and when
// an event is called after a page has unloaded
- if ( typeof jQuery == "undefined" || jQuery.event.triggered )
- return val;
-
- val = jQuery.event.handle.apply(elem, arguments);
-
- return val;
+ if ( typeof jQuery != "undefined" && !jQuery.event.triggered )
+ return jQuery.event.handle.apply(arguments.callee.elem, arguments);
});
+ // 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 == undefined )
+ 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 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" );
}
trigger: function(type, data, elem, donative, extra) {
// Clone the incoming data, if any
- data = jQuery.makeArray(data || []);
+ data = jQuery.makeArray(data);
+
+ if ( type.indexOf("!") >= 0 ) {
+ type = type.slice(0, -1);
+ var exclusive = true;
+ }
// Handle a global trigger
if ( !elem ) {
event = !data[0] || !data[0].preventDefault;
// Pass along a fake event
- if ( event )
- data.unshift( this.fix({ type: type, target: elem }) );
+ if ( event ) {
+ data.unshift({
+ type: type,
+ target: elem,
+ preventDefault: function(){},
+ stopPropagation: function(){},
+ timeStamp: +new Date
+ });
+ data[0][expando] = true; // no need to fix fake event
+ }
// 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") ) )
- val = jQuery.data(elem, "handle").apply( elem, data );
+ // Trigger the event, it is assumed that "handle" is a function
+ var handle = jQuery.data(elem, "handle");
+ if ( handle )
+ val = handle.apply( elem, data );
- // Handle triggering native .onfoo handlers
- if ( !fn && elem["on"+type] && elem["on"+type].apply( elem, data ) === false )
+ // Handle triggering native .onfoo handlers (and on links since we don't call .click() for links)
+ if ( (!fn || (jQuery.nodeName(elem, 'a') && type == "click")) && elem["on"+type] && elem["on"+type].apply( elem, data ) === false )
val = false;
// Extra functions don't get the custom event object
// Handle triggering of extra function
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;
handle: function(event) {
// returned undefined or false
- var val;
+ var val, ret, namespace, all, handlers;
- // Empty object is for triggered events with no data
- event = jQuery.event.fix( event || window.event || {} );
+ event = arguments[0] = jQuery.event.fix( event || window.event );
// Namespaced event handlers
- var parts = event.type.split(".");
- event.type = parts[0];
+ namespace = event.type.split(".");
+ event.type = namespace[0];
+ namespace = namespace[1];
+ all = !namespace && !event.exclusive; //cache this now, all = true means, any handler
- var handlers = jQuery.data(this, "events") && jQuery.data(this, "events")[event.type], args = Array.prototype.slice.call( arguments, 1 );
- args.unshift( event );
+ handlers = ( jQuery.data(this, "events") || {} )[event.type];
for ( var j in handlers ) {
var handler = handlers[j];
- // Pass in a reference to the handler function itself
- // So that we can later remove it
- args[0].handler = handler;
- args[0].data = handler.data;
// Filter the functions by class
- if ( !parts[1] || handler.type == parts[1] ) {
- var ret = handler.apply( this, args );
+ if ( all || handler.type == namespace ) {
+ // Pass in a reference to the handler function itself
+ // So that we can later remove it
+ event.handler = handler;
+ event.data = handler.data;
+
+ ret = handler.apply( this, arguments );
if ( val !== false )
val = ret;
}
}
- // Clean up added properties in IE to prevent memory leak
- if (jQuery.browser.msie)
- event.target = event.preventDefault = event.stopPropagation =
- event.handler = event.data = null;
-
return val;
},
fix: function(event) {
- // Short-circuit if the event has already been fixed by jQuery.event.fix
- if ( event[ expando ] )
+ if ( event[expando] == true )
return event;
-
+
// store a copy of the original event object
- // and clone to set read-only properties
+ // and "clone" to set read-only properties
var originalEvent = event;
- event = jQuery.extend({}, originalEvent);
+ event = { originalEvent: originalEvent };
+ var props = "altKey attrChange attrName bubbles button cancelable charCode clientX clientY ctrlKey currentTarget data detail eventPhase fromElement handler keyCode metaKey newValue pageX pageY prevValue relatedNode relatedTarget screenX screenY shiftKey srcElement target timeStamp toElement type view wheelDelta which".split(" ");
+ for ( var i=props.length; i; i-- )
+ event[ props[i] ] = originalEvent[ props[i] ];
- // Mark the event as fixed by jQuery.event.fix
- event[ expando ] = true;
+ // Mark it as fixed
+ event[expando] = true;
// add preventDefault and stopPropagation since
// they will not work on the clone
originalEvent.cancelBubble = true;
};
+ // Fix timeStamp
+ event.timeStamp = event.timeStamp || +new Date;
+
// Fix target property, if necessary
if ( !event.target )
event.target = event.srcElement || document; // Fixes #1925 where srcElement might not be defined either
// check if target is a textnode (safari)
if ( event.target.nodeType == 3 )
- event.target = originalEvent.target.parentNode;
+ event.target = event.target.parentNode;
// Add relatedTarget, if necessary
if ( !event.relatedTarget && event.fromElement )
}
// 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)
return this.click(function(event) {
// Figure out which function to execute
- this.lastToggle = 0 == this.lastToggle ? 1 : 0;
+ this.lastToggle = ( this.lastToggle || 0 ) % args.length;
// Make sure that clicks stop
event.preventDefault();
// and execute the function
- return args[this.lastToggle].apply( this, arguments ) || false;
+ return args[ this.lastToggle++ ].apply( this, arguments ) || false;
});
},
}
// Trigger any bound ready events
- $(document).triggerHandler("ready");
+ jQuery(document).triggerHandler("ready");
}
}
});
// 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