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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 dom_struct::dom_struct;
use js::jsapi::Heap;
use js::jsval::JSVal;
use js::rust::{HandleObject, HandleValue, MutableHandleValue};
use stylo_atoms::Atom;
use crate::dom::bindings::codegen::Bindings::CustomEventBinding;
use crate::dom::bindings::codegen::Bindings::CustomEventBinding::CustomEventMethods;
use crate::dom::bindings::codegen::Bindings::EventBinding::EventMethods;
use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::reflector::reflect_dom_object_with_proto;
use crate::dom::bindings::root::DomRoot;
use crate::dom::bindings::str::DOMString;
use crate::dom::bindings::trace::RootedTraceableBox;
use crate::dom::event::Event;
use crate::dom::globalscope::GlobalScope;
use crate::script_runtime::{CanGc, JSContext};
// https://dom.spec.whatwg.org/#interface-customevent
#[dom_struct]
pub(crate) struct CustomEvent {
event: Event,
#[ignore_malloc_size_of = "Defined in rust-mozjs"]
detail: Heap<JSVal>,
}
impl CustomEvent {
fn new_inherited() -> CustomEvent {
CustomEvent {
event: Event::new_inherited(),
detail: Heap::default(),
}
}
pub(crate) fn new_uninitialized(global: &GlobalScope, can_gc: CanGc) -> DomRoot<CustomEvent> {
Self::new_uninitialized_with_proto(global, None, can_gc)
}
fn new_uninitialized_with_proto(
global: &GlobalScope,
proto: Option<HandleObject>,
can_gc: CanGc,
) -> DomRoot<CustomEvent> {
reflect_dom_object_with_proto(
Box::new(CustomEvent::new_inherited()),
global,
proto,
can_gc,
)
}
fn new(
global: &GlobalScope,
proto: Option<HandleObject>,
type_: Atom,
bubbles: bool,
cancelable: bool,
detail: HandleValue,
can_gc: CanGc,
) -> DomRoot<CustomEvent> {
let ev = CustomEvent::new_uninitialized_with_proto(global, proto, can_gc);
ev.init_custom_event(type_, bubbles, cancelable, detail);
ev
}
fn init_custom_event(
&self,
type_: Atom,
can_bubble: bool,
cancelable: bool,
detail: HandleValue,
) {
let event = self.upcast::<Event>();
if event.dispatching() {
return;
}
self.detail.set(detail.get());
event.init_event(type_, can_bubble, cancelable);
}
}
impl CustomEventMethods<crate::DomTypeHolder> for CustomEvent {
// https://dom.spec.whatwg.org/#dom-customevent-customevent
fn Constructor(
global: &GlobalScope,
proto: Option<HandleObject>,
can_gc: CanGc,
type_: DOMString,
init: RootedTraceableBox<CustomEventBinding::CustomEventInit>,
) -> DomRoot<CustomEvent> {
let event = CustomEvent::new(
global,
proto,
Atom::from(type_),
init.parent.bubbles,
init.parent.cancelable,
init.detail.handle(),
can_gc,
);
event.upcast::<Event>().set_composed(init.parent.composed);
event
}
// https://dom.spec.whatwg.org/#dom-customevent-detail
fn Detail(&self, _cx: JSContext, mut retval: MutableHandleValue) {
retval.set(self.detail.get())
}
// https://dom.spec.whatwg.org/#dom-customevent-initcustomevent
fn InitCustomEvent(
&self,
_cx: JSContext,
type_: DOMString,
can_bubble: bool,
cancelable: bool,
detail: HandleValue,
) {
self.init_custom_event(Atom::from(type_), can_bubble, cancelable, detail)
}
// https://dom.spec.whatwg.org/#dom-event-istrusted
fn IsTrusted(&self) -> bool {
self.event.IsTrusted()
}
}
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