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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::Bindings::CustomEventBinding;
use dom::bindings::codegen::Bindings::CustomEventBinding::CustomEventMethods;
use dom::bindings::codegen::Bindings::EventBinding::EventMethods;
use dom::bindings::error::Fallible;
use dom::bindings::inheritance::Castable;
use dom::bindings::reflector::reflect_dom_object;
use dom::bindings::root::DomRoot;
use dom::bindings::str::DOMString;
use dom::bindings::trace::RootedTraceableBox;
use dom::event::Event;
use dom::globalscope::GlobalScope;
use dom_struct::dom_struct;
use js::jsapi::{Heap, HandleValue, JSContext};
use js::jsval::JSVal;
use servo_atoms::Atom;
// https://dom.spec.whatwg.org/#interface-customevent
#[dom_struct]
pub struct CustomEvent {
event: Event,
#[ignore_heap_size_of = "Defined in rust-mozjs"]
detail: Heap<JSVal>,
}
impl CustomEvent {
fn new_inherited() -> CustomEvent {
CustomEvent {
event: Event::new_inherited(),
detail: Heap::default(),
}
}
pub fn new_uninitialized(global: &GlobalScope) -> DomRoot<CustomEvent> {
reflect_dom_object(Box::new(CustomEvent::new_inherited()),
global,
CustomEventBinding::Wrap)
}
pub fn new(global: &GlobalScope,
type_: Atom,
bubbles: bool,
cancelable: bool,
detail: HandleValue)
-> DomRoot<CustomEvent> {
let ev = CustomEvent::new_uninitialized(global);
ev.init_custom_event(type_, bubbles, cancelable, detail);
ev
}
#[allow(unsafe_code)]
pub fn Constructor(global: &GlobalScope,
type_: DOMString,
init: RootedTraceableBox<CustomEventBinding::CustomEventInit>)
-> Fallible<DomRoot<CustomEvent>> {
Ok(CustomEvent::new(global,
Atom::from(type_),
init.parent.bubbles,
init.parent.cancelable,
init.detail.handle()))
}
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 for CustomEvent {
#[allow(unsafe_code)]
// https://dom.spec.whatwg.org/#dom-customevent-detail
unsafe fn Detail(&self, _cx: *mut JSContext) -> JSVal {
self.detail.get()
}
#[allow(unsafe_code)]
// https://dom.spec.whatwg.org/#dom-customevent-initcustomevent
unsafe fn InitCustomEvent(&self,
_cx: *mut 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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