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jQuery.event.handlers delegate matching hook point

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This commit is contained in:
Richard Gibson
2013-01-13 13:11:43 -05:00
committed by Dave Methvin
parent 36457cb6af
commit 14c50da7d5
1 changed files with 45 additions and 36 deletions
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81
src/event.js
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@@ -344,11 +344,10 @@ jQuery.event = {
// Make a writable jQuery.Event from the native event object
event = jQuery.event.fix( event );
var i, j, cur, ret, selMatch, matched, matches, handleObj, sel,
var i, j, ret, matched, handleObj,
handlerQueue = [],
args = core_slice.call( arguments ),
handlers = ( jQuery._data( this, "events" ) || {} )[ event.type ] || [],
delegateCount = handlers.delegateCount,
special = jQuery.event.special[ event.type ] || {};
// Use the fix-ed jQuery.Event rather than the (read-only) native event
@@ -361,40 +360,7 @@ jQuery.event = {
}
// Determine handlers that should run if there are delegated events
// Avoid non-left-click bubbling in Firefox (#3861)
if ( delegateCount && !(event.button && event.type === "click") ) {
for ( cur = event.target; cur != this; cur = cur.parentNode || this ) {
// Don't process clicks (ONLY) on disabled elements (#6911, #8165, #11382, #11764)
if ( cur.disabled !== true || event.type !== "click" ) {
selMatch = {};
matches = [];
i = 0;
for ( ; i < delegateCount; i++ ) {
handleObj = handlers[ i ];
sel = handleObj.selector;
if ( selMatch[ sel ] === undefined ) {
selMatch[ sel ] = handleObj.needsContext ?
jQuery( sel, this ).index( cur ) >= 0 :
jQuery.find( sel, this, null, [ cur ] ).length;
}
if ( selMatch[ sel ] ) {
matches.push( handleObj );
}
}
if ( matches.length ) {
handlerQueue.push({ elem: cur, handlers: matches });
}
}
}
}
// Add the remaining (directly-bound) handlers
if ( handlers.length > delegateCount ) {
handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) });
}
handlerQueue = jQuery.event.handlers.call( this, event, handlers );
// Run delegates first; they may want to stop propagation beneath us
i = 0;
@@ -432,6 +398,49 @@ jQuery.event = {
return event.result;
},
handlers: function( event, handlers ) {
var i, cur, selMatch, matches, handleObj, sel,
handlerQueue = [],
delegateCount = handlers.delegateCount;
// Avoid non-left-click bubbling in Firefox (#3861)
if ( delegateCount && !(event.button && event.type === "click") ) {
for ( cur = event.target; cur != this; cur = cur.parentNode || this ) {
// Don't process clicks (ONLY) on disabled elements (#6911, #8165, #11382, #11764)
if ( cur.disabled !== true || event.type !== "click" ) {
selMatch = {};
matches = [];
i = 0;
for ( ; i < delegateCount; i++ ) {
handleObj = handlers[ i ];
sel = handleObj.selector;
if ( selMatch[ sel ] === undefined ) {
selMatch[ sel ] = handleObj.needsContext ?
jQuery( sel, this ).index( cur ) >= 0 :
jQuery.find( sel, this, null, [ cur ] ).length;
}
if ( selMatch[ sel ] ) {
matches.push( handleObj );
}
}
if ( matches.length ) {
handlerQueue.push({ elem: cur, handlers: matches });
}
}
}
}
// Add the remaining (directly-bound) handlers
if ( handlers.length > delegateCount ) {
handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) });
}
return handlerQueue;
},
fix: function( event ) {
if ( event[ jQuery.expando ] ) {
return event;