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Merge branch 'fix-8790-quick-trigger' of https://github.com/dmethvin/jquery into dmethvin-fix-8790-quick-trigger

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This commit is contained in:
John Resig 2011-04-12 14:57:30 -04:00
parent f19a74f10b 7fa6de0ec1
commit b05d631b30
1 changed files with 31 additions and 15 deletions
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46
src/event.js
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@ -266,12 +266,39 @@ jQuery.event = {
} }
} }
}, },
// 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 ) {
// Event object or event type // Event object or event type
var type = event.type || event, var type = event.type || event,
namespaces = []; namespaces = [],
exclusive;
if ( type.indexOf("!") >= 0 ) {
// Exclusive events trigger only for the exact event (no namespaces)
type = type.slice(0, -1);
exclusive = true;
}
if ( type.indexOf(".") >= 0 ) {
// Namespaced trigger; create a regexp to match event type in handle()
namespaces = type.split(".");
type = namespaces.shift();
namespaces.sort();
}
if ( jQuery.event.customEvent[ type ] && !jQuery.event.global[ type ] ) {
// No jQuery handlers for this event type, and it can't have inline handlers
return;
}
// Caller can pass in an Event, Object, or just an event type string
event = typeof event === "object" ? event = typeof event === "object" ?
// jQuery.Event object // jQuery.Event object
event[ jQuery.expando ] ? event : event[ jQuery.expando ] ? event :
@ -279,20 +306,9 @@ jQuery.event = {
jQuery.extend( jQuery.Event(type), event ) : jQuery.extend( jQuery.Event(type), event ) :
// Just the event type (string) // Just the event type (string)
jQuery.Event(type); jQuery.Event(type);
if ( type.indexOf("!") >= 0 ) {
// Exclusive events trigger only for the bare event type (no namespaces)
event.type = type = type.slice(0, -1);
event.exclusive = true;
}
if ( type.indexOf(".") >= 0 ) {
// Namespaced trigger; create a regexp to match event type in handle()
namespaces = type.split(".");
event.type = type = namespaces.shift();
namespaces.sort();
}
event.namespace = namespaces.join("."); event.namespace = namespaces.join(".");
event.namespace_re = new RegExp("(^|\\.)" + namespaces.join("\\.(?:.*\\.)?") + "(\\.|$)"); event.namespace_re = new RegExp("(^|\\.)" + namespaces.join("\\.(?:.*\\.)?") + "(\\.|$)");
event.exclusive = exclusive;
// Handle a global trigger // Handle a global trigger
if ( !elem ) { if ( !elem ) {
@ -327,7 +343,7 @@ jQuery.event = {
event.target = elem; event.target = elem;
// Clone any incoming data and prepend the event, creating the handler arg list // Clone any incoming data and prepend the event, creating the handler arg list
data = jQuery.makeArray( data ); data = data? jQuery.makeArray( data ) : [];
data.unshift( event ); data.unshift( event );
var cur = elem, var cur = elem,
@ -392,7 +408,7 @@ jQuery.event = {
// Snapshot the handlers list since a called handler may add/remove events. // Snapshot the handlers list since a called handler may add/remove events.
var handlers = ((jQuery._data( this, "events" ) || {})[ event.type ] || []).slice(0), var handlers = ((jQuery._data( this, "events" ) || {})[ event.type ] || []).slice(0),
run_all = !event.exclusive && !event.namespace, run_all = !event.exclusive && !event.namespace,
args = jQuery.makeArray( arguments ); args = Array.prototype.slice.call( arguments, 0 );
// Use the fix-ed Event rather than the (read-only) native event // Use the fix-ed Event rather than the (read-only) native event
args[0] = event; args[0] = event;