}
}
},
+
+ // Events that are safe to short-circuit if no handlers are attached.
+ // Native DOM events should not be added, they may have inline handlers.
+ customEvent: {
+ "getData": true,
+ "setData": true,
+ "changeData": true
+ },
- trigger: function( event, data, elem ) {
+ trigger: function( event, data, elem, bubbling /* For Internal Use Only */ ) {
// Event object or event type
- var type = event.type || event;
-
- if ( !bubbling ) {
- event = typeof event === "object" ?
- // jQuery.Event object
- event[ jQuery.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;
- }
+ var type = event.type || event,
+ namespaces = [],
+ exclusive;
- // 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 ( jQuery.event.global[ type ] ) {
- // XXX This code smells terrible. event.js should not be directly
- // inspecting the data cache
- jQuery.each( jQuery.cache, function() {
- // internalKey variable is just used to make it easier to find
- // and potentially change this stuff later; currently it just
- // points to jQuery.expando
- var internalKey = jQuery.expando,
- internalCache = this[ internalKey ];
- if ( internalCache && internalCache.events && internalCache.events[type] ) {
- jQuery.event.trigger( event, data, internalCache.handle.elem );
- }
- });
- }
- }
+ if ( type.indexOf("!") >= 0 ) {
+ // Exclusive events trigger only for the exact event (no namespaces)
+ type = type.slice(0, -1);
+ exclusive = true;
+ }
- // Handle triggering a single element
+ if ( type.indexOf(".") >= 0 ) {
+ // Namespaced trigger; create a regexp to match event type in handle()
+ namespaces = type.split(".");
+ type = namespaces.shift();
+ namespaces.sort();
+ }
- // don't do events on text and comment nodes
- if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 ) {
- return undefined;
- }
+ if ( jQuery.event.customEvent[ type ] && !jQuery.event.global[ type ] ) {
+ // No jQuery handlers for this event type, and it can't have inline handlers
+ return;
+ }
- // Clean up in case it is reused
- event.result = undefined;
- event.target = elem;
+ // Caller can pass in an Event, Object, or just an event type string
+ event = typeof event === "object" ?
+ // jQuery.Event object
+ event[ jQuery.expando ] ? event :
+ // Object literal
+ jQuery.extend( jQuery.Event(type), event ) :
+ // Just the event type (string)
+ jQuery.Event(type);
- // Clone the incoming data, if any
- data = jQuery.makeArray( data );
- data.unshift( event );
- }
+ event.namespace = namespaces.join(".");
+ event.namespace_re = new RegExp("(^|\\.)" + namespaces.join("\\.(?:.*\\.)?") + "(\\.|$)");
+ event.exclusive = exclusive;
- event.currentTarget = elem;
+ // Handle a global trigger
+ if ( !elem ) {
+ // Don't bubble custom events when global (to avoid too much overhead)
+ event.stopPropagation();
- // Trigger the event, it is assumed that "handle" is a function
- var handle = elem.nodeType ?
- jQuery._data( elem, "handle" ) :
- (jQuery._data( elem, eventKey ) || {}).handle;
+ // Save some time, only trigger if we've ever bound an event for this type
+ if ( jQuery.event.global[ type ] ) {
+ // XXX This code smells terrible. event.js should not be directly
+ // inspecting the data cache
+ jQuery.each( jQuery.cache, function() {
+ // internalKey variable is just used to make it easier to find
+ // and potentially change this stuff later; currently it just
+ // points to jQuery.expando
+ var internalKey = jQuery.expando,
+ internalCache = this[ internalKey ];
+ if ( internalCache && internalCache.events && internalCache.events[ type ] ) {
+ jQuery.event.trigger( event, data, internalCache.handle.elem );
+ }
+ });
+ }
+ return;
+ }
- if ( handle ) {
- handle.apply( elem, data );
+ // Don't do events on text and comment nodes
+ if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
+ return;
}
- var parent = elem.parentNode || elem.ownerDocument;
+ // Clean up the event in case it is being reused
+ event.result = undefined;
+ event.target = elem;
- // Trigger an inline bound script
- try {
- if ( !(elem && elem.nodeName && jQuery.noData[elem.nodeName.toLowerCase()]) ) {
- if ( elem[ "on" + type ] && elem[ "on" + type ].apply( elem, data ) === false ) {
- event.result = false;
- event.preventDefault();
- }
+ // Clone any incoming data and prepend the event, creating the handler arg list
+ data = data ? jQuery.makeArray( data ) : [];
+ data.unshift( event );
+
+ var cur = elem,
+ // IE doesn't like method names with a colon (#3533, #8272)
+ ontype = type.indexOf(":") < 0 ? "on" + type : "";
+
+ // Fire event on the current element, then bubble up the DOM tree
+ do {
+ var handle = jQuery._data( cur, "handle" );
+
+ event.currentTarget = cur;
+ if ( handle ) {
+ handle.apply( cur, data );
}
- // prevent IE from throwing an error for some elements with some event types, see #3533
- } catch (inlineError) {}
+ // Trigger an inline bound script
+ if ( ontype && jQuery.acceptData( cur ) && cur[ ontype ] && cur[ ontype ].apply( cur, data ) === false ) {
+ event.result = false;
+ event.preventDefault();
+ }
- if ( !event.isPropagationStopped() && parent ) {
- jQuery.event.trigger( event, data, parent, true );
+ // Bubble up to document, then to window
+ cur = cur.parentNode || cur.ownerDocument || cur === event.target.ownerDocument && window;
+ } while ( cur && !event.isPropagationStopped() );
- } else if ( !event.isDefaultPrevented() ) {
+ // If nobody prevented the default action, do it now
+ if ( !event.isDefaultPrevented() ) {
var old,
- target = event.target,
- targetType = type.replace( rnamespaces, "" ),
- isClick = jQuery.nodeName( target, "a" ) && targetType === "click",
- special = jQuery.event.special[ targetType ] || {};
+ special = jQuery.event.special[ type ] || {};
- if ( (!special._default || special._default.call( elem, event ) === false) &&
- !isClick && !(target && target.nodeName && jQuery.noData[target.nodeName.toLowerCase()]) ) {
+ if ( (!special._default || special._default.call( elem.ownerDocument, event ) === false) &&
+ !(type === "click" && jQuery.nodeName( elem, "a" )) && jQuery.acceptData( elem ) ) {
+ // Call a native DOM method on the target with the same name name as the event.
+ // Can't use an .isFunction)() check here because IE6/7 fails that test.
+ // IE<9 dies on focus to hidden element (#1486), may want to revisit a try/catch.
try {
- if ( target[ targetType ] ) {
- // Make sure that we don't accidentally re-trigger the onFOO events
- old = target[ "on" + targetType ];
+ if ( ontype && elem[ type ] ) {
+ // Don't re-trigger an onFOO event when we call its FOO() method
+ old = elem[ ontype ];
if ( old ) {
- target[ "on" + targetType ] = null;
+ elem[ ontype ] = null;
}
- jQuery.event.triggered = true;
- target[ targetType ]();
+ jQuery.event.triggered = type;
+ elem[ type ]();
}
-
- // prevent IE from throwing an error for some elements with some event types, see #3533
- } catch (triggerError) {}
+ } catch ( ieError ) {}
if ( old ) {
- target[ "on" + targetType ] = old;
+ elem[ ontype ] = old;
}
- jQuery.event.triggered = false;
+ jQuery.event.triggered = undefined;
}
}
},
projects / jquery.git / commitdiff