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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use dom::bindings::codegen::BindingDeclarations::CustomEventBinding;
use dom::bindings::codegen::InheritTypes::{EventCast, CustomEventDerived};
use dom::bindings::js::{JSRef, Temporary};
use dom::bindings::error::Fallible;
use dom::bindings::trace::Traceable;
use dom::bindings::utils::{Reflectable, Reflector, reflect_dom_object};
use dom::event::{Event, EventMethods, EventTypeId, CustomEventTypeId};
use dom::window::Window;
use js::jsapi::JSContext;
use js::jsval::{JSVal, NullValue};
use servo_util::str::DOMString;
#[deriving(Encodable)]
pub struct CustomEvent {
event: Event,
detail: Traceable<JSVal>
}
impl CustomEventDerived for Event {
fn is_customevent(&self) -> bool {
self.type_id == CustomEventTypeId
}
}
pub trait CustomEventMethods {
fn Detail(&self, _cx: *mut JSContext) -> JSVal;
fn InitCustomEvent(&mut self, _cx: *mut JSContext,
type_: DOMString, can_bubble: bool,
cancelable: bool, detail: JSVal);
}
impl CustomEvent {
pub fn new_inherited(type_id: EventTypeId) -> CustomEvent {
CustomEvent {
event: Event::new_inherited(type_id),
detail: Traceable::new(NullValue())
}
}
pub fn new_uninitialized(window: &JSRef<Window>) -> Temporary<CustomEvent> {
reflect_dom_object(box CustomEvent::new_inherited(CustomEventTypeId),
window,
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);
Temporary::from_rooted(&*ev)
}
pub fn Constructor(owner: &JSRef<Window>,
type_: DOMString,
init: &CustomEventBinding::CustomEventInit) -> Fallible<Temporary<CustomEvent>>{
Ok(CustomEvent::new(owner, type_, init.parent.bubbles, init.parent.cancelable, init.detail))
}
}
impl<'a> CustomEventMethods for JSRef<'a, CustomEvent> {
fn Detail(&self, _cx: *mut JSContext) -> JSVal {
self.detail.deref().clone()
}
fn InitCustomEvent(&mut self,
_cx: *mut JSContext,
type_: DOMString,
can_bubble: bool,
cancelable: bool,
detail: JSVal) {
self.detail = Traceable::new(detail);
let event: &mut JSRef<Event> = EventCast::from_mut_ref(self);
event.InitEvent(type_, can_bubble, cancelable);
}
}
impl Reflectable for CustomEvent {
fn reflector<'a>(&'a self) -> &'a Reflector {
self.event.reflector()
}
fn mut_reflector<'a>(&'a mut self) -> &'a mut Reflector {
self.event.mut_reflector()
}
}
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