Make Event::new take enumerated values instead of booleans (fixes #3643)

components/script/dom/event.rs

@@ -35,6 +35,18 @@ pub enum EventTypeId {
     UIEventTypeId
 }
 
+#[deriving(PartialEq)]
+pub enum EventBubbles {
+    Bubbles,
+    DoesNotBubble
+}
+
+#[deriving(PartialEq)]
+pub enum EventCancelable {
+    Cancelable,
+    NotCancelable
+}
+
 #[jstraceable]
 #[must_root]
 pub struct Event {
@@ -84,17 +96,19 @@ impl Event {
 
     pub fn new(global: &GlobalRef,
                type_: DOMString,
-               can_bubble: bool,
-               cancelable: bool) -> Temporary<Event> {
+               bubbles: EventBubbles,
+               cancelable: EventCancelable) -> Temporary<Event> {
         let event = Event::new_uninitialized(global).root();
-        event.InitEvent(type_, can_bubble, cancelable);
+        event.InitEvent(type_, bubbles == Bubbles, cancelable == Cancelable);
         Temporary::from_rooted(*event)
     }
 
     pub fn Constructor(global: &GlobalRef,
                        type_: DOMString,
                        init: &EventBinding::EventInit) -> Fallible<Temporary<Event>> {
-        Ok(Event::new(global, type_, init.bubbles, init.cancelable))
+        let bubbles = if init.bubbles { Bubbles } else { DoesNotBubble };
+        let cancelable = if init.cancelable { Cancelable } else { NotCancelable };
+        Ok(Event::new(global, type_, bubbles, cancelable))
     }
 }
 

components/script/dom/htmlformelement.rs

@@ -15,7 +15,7 @@ use dom::bindings::utils::{Reflectable, Reflector};
 use dom::document::{Document, DocumentHelpers};
 use dom::element::{Element, AttributeHandlers, HTMLFormElementTypeId, HTMLTextAreaElementTypeId, HTMLDataListElementTypeId};
 use dom::element::{HTMLInputElementTypeId, HTMLButtonElementTypeId, HTMLObjectElementTypeId, HTMLSelectElementTypeId};
-use dom::event::Event;
+use dom::event::{Event, Bubbles, Cancelable};
 use dom::eventtarget::{EventTarget, NodeTargetTypeId};
 use dom::htmlelement::HTMLElement;
 use dom::htmlinputelement::HTMLInputElement;
@@ -172,7 +172,7 @@ impl<'a> HTMLFormElementHelpers for JSRef<'a, HTMLFormElement> {
         // TODO: Handle validation
         let event = Event::new(&Window(*win),
                                "submit".to_string(),
-                               true, true).root();
+                               Bubbles, Cancelable).root();
         let target: JSRef<EventTarget> = EventTargetCast::from_ref(self);
         target.DispatchEvent(*event).ok();
         if event.DefaultPrevented() {

components/script/dom/xmlhttprequest.rs

@@ -17,7 +17,7 @@ use dom::bindings::js::{MutNullableJS, JS, JSRef, Temporary, OptionalRootedRoota
 use dom::bindings::str::ByteString;
 use dom::bindings::utils::{Reflectable, Reflector, reflect_dom_object};
 use dom::document::Document;
-use dom::event::Event;
+use dom::event::{Event, DoesNotBubble, Cancelable};
 use dom::eventtarget::{EventTarget, EventTargetHelpers, XMLHttpRequestTargetTypeId};
 use dom::progressevent::ProgressEvent;
 use dom::urlsearchparams::URLSearchParamsHelpers;
@@ -746,7 +746,7 @@ impl<'a> PrivateXMLHttpRequestHelpers for JSRef<'a, XMLHttpRequest> {
         let global = self.global.root();
         let event = Event::new(&global.root_ref(),
                                "readystatechange".to_string(),
-                               false, true).root();
+                               DoesNotBubble, Cancelable).root();
         let target: JSRef<EventTarget> = EventTargetCast::from_ref(self);
         target.dispatch_event_with_target(None, *event).ok();
     }