Function liveHandler

tests/jquery.js:3655–3741

( event )

});

function liveHandler( event ) {
	var stop, maxLevel, related, match, handleObj, elem, j, i, l, data, close, namespace, ret,
		elems = [],
		selectors = [],
		events = jQuery._data( this, "events" );

	// Make sure we avoid non-left-click bubbling in Firefox (#3861) and disabled elements in IE (#6911)
	if ( event.liveFired === this || !events || !events.live || event.target.disabled || event.button && event.type === "click" ) {
		return;
	}

	if ( event.namespace ) {
		namespace = new RegExp("(^|\\.)" + event.namespace.split(".").join("\\.(?:.*\\.)?") + "(\\.|$)");
	}

	event.liveFired = this;

	var live = events.live.slice(0);

	for ( j = 0; j < live.length; j++ ) {
		handleObj = live[j];

		if ( handleObj.origType.replace( rnamespaces, "" ) === event.type ) {
			selectors.push( handleObj.selector );

		} else {
			live.splice( j--, 1 );
		}
	}

	match = jQuery( event.target ).closest( selectors, event.currentTarget );

	for ( i = 0, l = match.length; i < l; i++ ) {
		close = match[i];

		for ( j = 0; j < live.length; j++ ) {
			handleObj = live[j];

			if ( close.selector === handleObj.selector && (!namespace || namespace.test( handleObj.namespace )) && !close.elem.disabled ) {
				elem = close.elem;
				related = null;

				// Those two events require additional checking
				if ( handleObj.preType === "mouseenter" || handleObj.preType === "mouseleave" ) {
					event.type = handleObj.preType;
					related = jQuery( event.relatedTarget ).closest( handleObj.selector )[0];

					// Make sure not to accidentally match a child element with the same selector
					if ( related && jQuery.contains( elem, related ) ) {
						related = elem;
					}
				}

				if ( !related || related !== elem ) {
					elems.push({ elem: elem, handleObj: handleObj, level: close.level });
				}
			}
		}