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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 https://mozilla.org/MPL/2.0/. */
use crate::dom::bindings::codegen::Bindings::EventBinding::EventMethods;
use crate::dom::bindings::codegen::Bindings::PromiseRejectionEventBinding;
use crate::dom::bindings::codegen::Bindings::PromiseRejectionEventBinding::PromiseRejectionEventMethods;
use crate::dom::bindings::error::{Error, Fallible};
use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::reflector::reflect_dom_object;
use crate::dom::bindings::root::DomRoot;
use crate::dom::bindings::str::DOMString;
use crate::dom::bindings::trace::RootedTraceableBox;
use crate::dom::event::{Event, EventBubbles, EventCancelable};
use crate::dom::globalscope::GlobalScope;
use crate::dom::promise::Promise;
use dom_struct::dom_struct;
use js::jsapi::{Heap, JSContext};
use js::jsval::JSVal;
use js::rust::HandleValue;
use servo_atoms::Atom;
use std::rc::Rc;
#[dom_struct]
pub struct PromiseRejectionEvent {
event: Event,
#[ignore_malloc_size_of = "Rc"]
promise: Rc<Promise>,
#[ignore_malloc_size_of = "Defined in rust-mozjs"]
reason: Heap<JSVal>,
}
impl PromiseRejectionEvent {
#[allow(unrooted_must_root)]
fn new_inherited(promise: Rc<Promise>) -> Self {
PromiseRejectionEvent {
event: Event::new_inherited(),
promise,
reason: Heap::default(),
}
}
#[allow(unrooted_must_root)]
pub fn new(
global: &GlobalScope,
type_: Atom,
bubbles: EventBubbles,
cancelable: EventCancelable,
promise: Rc<Promise>,
reason: HandleValue,
) -> DomRoot<Self> {
let ev = reflect_dom_object(
Box::new(PromiseRejectionEvent::new_inherited(promise)),
global,
PromiseRejectionEventBinding::Wrap,
);
{
let event = ev.upcast::<Event>();
event.init_event(type_, bool::from(bubbles), bool::from(cancelable));
ev.reason.set(reason.get());
}
ev
}
#[allow(unrooted_must_root)]
pub fn Constructor(
global: &GlobalScope,
type_: DOMString,
init: RootedTraceableBox<PromiseRejectionEventBinding::PromiseRejectionEventInit>,
) -> Fallible<DomRoot<Self>> {
let reason = init.reason.handle();
let promise = match init.promise.as_ref() {
Some(promise) => promise.clone(),
None => {
return Err(Error::Type(
"required member promise is undefined.".to_string(),
));
},
};
let bubbles = EventBubbles::from(init.parent.bubbles);
let cancelable = EventCancelable::from(init.parent.cancelable);
let event = PromiseRejectionEvent::new(
global,
Atom::from(type_),
bubbles,
cancelable,
promise,
reason,
);
Ok(event)
}
}
impl PromiseRejectionEventMethods for PromiseRejectionEvent {
// https://html.spec.whatwg.org/multipage/#dom-promiserejectionevent-promise
fn Promise(&self) -> Rc<Promise> {
self.promise.clone()
}
#[allow(unsafe_code)]
// https://html.spec.whatwg.org/multipage/#dom-promiserejectionevent-reason
unsafe fn Reason(&self, _cx: *mut JSContext) -> JSVal {
self.reason.get()
}
// https://dom.spec.whatwg.org/#dom-event-istrusted
fn IsTrusted(&self) -> bool {
self.event.IsTrusted()
}
}
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