}
},
- trigger: function( e, data, elem, donative, extra) {
+ trigger: function( event, data, elem, extra) {
// Event object or event type
- var type = e.type || e;
-
+ var type = event.type || event;
+
+ event = typeof event === "object" ?
+ // jQuery.Event object
+ event[expando] ? event :
+ // Object literal
+ jQuery.extend( jQuery.Event(type), event ) :
+ // Just the event type (string)
+ jQuery.Event(type);
+
+ if ( type.indexOf("!") >= 0 ) {
+ event.type = type = type.slice(0, -1);
+ event.exclusive = true;
+ }
+
// Handle a global trigger
if ( !elem ) {
+ // Don't bubble custom events when global (to avoid too much overhead)
+ event.stopPropagation();
// Only trigger if we've ever bound an event for it
if ( this.global[type] )
jQuery.each( jQuery.cache, function(){
if ( this.events && this.events[type] )
- jQuery.event.trigger( e, data, this.handle.elem, false );
+ jQuery.event.trigger( event, data, this.handle.elem );
});
// Handle triggering a single element
// Clone the incoming data, if any
data = jQuery.makeArray(data);
-
- if ( type.indexOf("!") >= 0 ) {
- type = type.slice(0, -1);
- var exclusive = true;
+
+ // AT_TARGET phase (not bubbling)
+ if( !event.target ){
+ // Clean up in case it is reused
+ event.result = undefined;
+ event.target = elem;
}
-
- e = typeof e === "object" ?
- // jQuery.Event object
- e[expando] ? e :
- // Object literal
- jQuery.extend( jQuery.Event(type), e ) :
- // Just the event type (string)
- jQuery.Event(type);
-
- e.target = e.target || elem;
- e.currentTarget = elem;
- e.exclusive = exclusive;
-
- data.unshift( e );
- var val, ret, fn = jQuery.isFunction( elem[ type ] );
+ // 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
var handle = jQuery.data(elem, "handle");
if ( handle )
- val = handle.apply( elem, data );
+ handle.apply( elem, data );
// 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;
-
- if ( donative !== false && val !== false ) {
- var parent = elem.parentNode || elem.ownerDocument;
- if ( parent )
- jQuery.event.trigger(e, data, parent, donative);
- }
+ event.result = false;
// Extra functions don't get the custom event object
data.shift();
// 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
- ret = extra.apply( elem, val == null ? data : data.concat( val ) );
+ var ret = extra.apply( elem, event.result == null ? data : data.concat( event.result ) );
// if anything is returned, give it precedence and have it overwrite the previous value
if ( ret !== undefined )
- val = ret;
+ event.result = ret;
}
// Trigger the native events (except for clicks on links)
- if ( fn && donative !== false && val !== false && !(jQuery.nodeName(elem, 'a') && type == "click") ) {
+ if ( event.target === elem && fn && !event.isDefaultPrevented() && !(jQuery.nodeName(elem, 'a') && type == "click") ) {
this.triggered = true;
try {
elem[ type ]();
} catch (e) {}
}
+ if ( !event.isPropagationStopped() ) {
+ var parent = elem.parentNode || elem.ownerDocument;
+ if ( parent )
+ jQuery.event.trigger(event, data, parent);
+ }
+
+ // Clean up, in case the event object is reused
+ event.target = null;
+
this.triggered = false;
}
-
- return val;
},
handle: function(event) {
// returned undefined or false
- var val, ret, all, handlers;
+ var all, handlers;
event = arguments[0] = jQuery.event.fix( event || window.event );
event.handler = handler;
event.data = handler.data;
- ret = handler.apply( this, arguments );
+ var ret = handler.apply(this, arguments);
- if ( val !== false )
- val = ret;
-
- if ( ret === false ) {
- event.preventDefault();
- event.stopPropagation();
+ if( ret !== undefined ){
+ event.result = ret;
+ if ( ret === false ) {
+ event.preventDefault();
+ event.stopPropagation();
+ }
}
- if( event._sip )
+ if( event.isImmediatePropagationStopped() )
break;
}
}
-
- return val;
},
props: "altKey attrChange attrName bubbles button cancelable charCode clientX clientY ctrlKey currentTarget data detail eventPhase fromElement handler keyCode metaKey newValue originalTarget pageX pageY prevValue relatedNode relatedTarget screenX screenY shiftKey srcElement target toElement view wheelDelta which".split(" "),
this[expando] = true;
};
+function returnFalse(){
+ return false;
+}
+function returnTrue(){
+ return true;
+}
+
+// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
+// http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
jQuery.Event.prototype = {
- // add preventDefault and stopPropagation since
- // they will not work on the clone
preventDefault: function() {
+ this.isDefaultPrevented = returnTrue;
+
var e = this.originalEvent;
if( !e )
return;
e.returnValue = false;
},
stopPropagation: function() {
+ this.isPropagationStopped = returnTrue;
+
var e = this.originalEvent;
if( !e )
return;
e.cancelBubble = true;
},
stopImmediatePropagation:function(){
- this._sip = true;
+ this.isImmediatePropagationStopped = returnTrue;
this.stopPropagation();
- }
+ },
+ isDefaultPrevented: returnFalse,
+ isPropagationStopped: returnFalse,
+ isImmediatePropagationStopped: returnFalse
};
// Checks if an event happened on an element within another element
// Used in jQuery.event.special.mouseenter and mouseleave handlers
trigger: function( type, data, fn ) {
return this.each(function(){
- jQuery.event.trigger( type, data, this, true, fn );
+ jQuery.event.trigger( type, data, this, fn );
});
},
triggerHandler: function( type, data, fn ) {
- return this[0] && jQuery.event.trigger( type, data, this[0], false, fn );
+ if( this[0] ){
+ var event = jQuery.Event(type);
+ event.preventDefault();
+ event.stopPropagation();
+ jQuery.event.trigger( event, data, this[0], fn );
+ return event.result;
+ }
},
toggle: function( fn ) {
git.asbjorn.biz / jquery.git / blobdiff