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Use internal mutability for CustomEvent.

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This commit is contained in:
Ms2ger 2014-06-10 16:03:53 +02:00
parent 0b364d13b6
commit 781299aaa6
1 changed files with 11 additions and 9 deletions
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20
src/components/script/dom/customevent.rs
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@ -14,10 +14,12 @@ use js::jsapi::JSContext;
use js::jsval::{JSVal, NullValue};
use servo_util::str::DOMString;
use std::cell::Cell;
#[deriving(Encodable)]
pub struct CustomEvent {
event: Event,
detail: Traceable<JSVal>
detail: Traceable<Cell<Traceable<JSVal>>>,
}
impl CustomEventDerived for Event {
@ -28,7 +30,7 @@ impl CustomEventDerived for Event {
pub trait CustomEventMethods {
fn Detail(&self, _cx: *mut JSContext) -> JSVal;
fn InitCustomEvent(&mut self, _cx: *mut JSContext,
fn InitCustomEvent(&self, _cx: *mut JSContext,
type_: DOMString, can_bubble: bool,
cancelable: bool, detail: JSVal);
}
@ -37,7 +39,7 @@ impl CustomEvent {
pub fn new_inherited(type_id: EventTypeId) -> CustomEvent {
CustomEvent {
event: Event::new_inherited(type_id),
detail: Traceable::new(NullValue())
detail: Traceable::new(Cell::new(Traceable::new(NullValue()))),
}
}
@ -47,8 +49,8 @@ impl CustomEvent {
CustomEventBinding::Wrap)
}
pub fn new(window: &JSRef<Window>, type_: DOMString, bubbles: bool, cancelable: bool, detail: JSVal) -> Temporary<CustomEvent> {
let mut ev = CustomEvent::new_uninitialized(window).root();
ev.InitCustomEvent(window.deref().get_cx(), type_, bubbles, cancelable, detail);
let ev = CustomEvent::new_uninitialized(window).root();
ev.deref().InitCustomEvent(window.deref().get_cx(), type_, bubbles, cancelable, detail);
Temporary::from_rooted(&*ev)
}
pub fn Constructor(owner: &JSRef<Window>,
@ -60,16 +62,16 @@ impl CustomEvent {
impl<'a> CustomEventMethods for JSRef<'a, CustomEvent> {
fn Detail(&self, _cx: *mut JSContext) -> JSVal {
self.detail.deref().clone()
*self.detail.deref().get()
}
fn InitCustomEvent(&mut self,
_cx: *mut JSContext,
fn InitCustomEvent(&self,
_cx: *mut JSContext,
type_: DOMString,
can_bubble: bool,
cancelable: bool,
detail: JSVal) {
self.detail = Traceable::new(detail);
self.detail.deref().set(Traceable::new(detail));
let event: &JSRef<Event> = EventCast::from_ref(self);
event.InitEvent(type_, can_bubble, cancelable);
}