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jquery event: Now using an internal argument to detect if bubbling on $.event.trigger. The other would fail when it receives an event object with target. Also, the target isn't nulled anymore.

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In addition, there was a lot of code running O(n) during bubbling while not needed.
This commit is contained in:
Ariel Flesler 2009-01-02 23:07:16 +00:00
parent 989e3f61f7
commit b2552e6ea3
1 changed files with 65 additions and 70 deletions
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31
src/event.js
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@ -163,10 +163,11 @@ jQuery.event = {
}
},
trigger: function( event, data, elem) {
trigger: function( event, data, elem, bubbling /* internal */ ) {
// Event object or event type
var type = event.type || event;
if( !bubbling ){
event = typeof event === "object" ?
// jQuery.Event object
event[expando] ? event :
@ -190,29 +191,28 @@ jQuery.event = {
if ( this.events && this.events[type] )
jQuery.event.trigger( event, data, this.handle.elem );
});
}
// Handle triggering a single element
} else {
// don't do events on text and comment nodes
if ( elem.nodeType == 3 || elem.nodeType == 8 )
if ( !elem || elem.nodeType == 3 || elem.nodeType == 8 )
return undefined;
// Clone the incoming data, if any
data = jQuery.makeArray(data);
// AT_TARGET phase (not bubbling)
if( !event.target ){
if( !bubbling ){
// Clean up in case it is reused
event.result = undefined;
event.target = elem;
// Clone the incoming data, if any
data = jQuery.makeArray(data);
data.unshift( event );
}
}
// Fix for custom events
event.currentTarget = elem;
data.unshift( event );
var fn = jQuery.isFunction( elem[ type ] );
// Trigger the event, it is assumed that "handle" is a function
@ -224,11 +224,10 @@ jQuery.event = {
if ( (!fn || (jQuery.nodeName(elem, 'a') && type == "click")) && elem["on"+type] && elem["on"+type].apply( elem, data ) === false )
event.result = false;
// Extra functions don't get the custom event object
data.shift();
// data.shift();
// Trigger the native events (except for clicks on links)
if ( event.target === elem && fn && !event.isDefaultPrevented() && !(jQuery.nodeName(elem, 'a') && type == "click") ) {
if ( !bubbling && fn && !event.isDefaultPrevented() && !(jQuery.nodeName(elem, 'a') && type == "click") ) {
this.triggered = true;
try {
elem[ type ]();
@ -239,14 +238,10 @@ jQuery.event = {
if ( !event.isPropagationStopped() ) {
var parent = elem.parentNode || elem.ownerDocument;
if ( parent )
jQuery.event.trigger(event, data, parent);
jQuery.event.trigger(event, data, parent, true);
}
// Clean up, in case the event object is reused
event.target = null;
this.triggered = false;
}
},
handle: function(event) {