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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};
use servo_atoms::Atom;
use crate::dom::bindings::codegen::Bindings::EventBinding::EventMethods;
use crate::dom::bindings::codegen::Bindings::PopStateEventBinding;
use crate::dom::bindings::codegen::Bindings::PopStateEventBinding::PopStateEventMethods;
use crate::dom::bindings::error::Fallible;
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::eventtarget::EventTarget;
use crate::dom::window::Window;
use crate::script_runtime::JSContext;
// https://html.spec.whatwg.org/multipage/#the-popstateevent-interface
#[dom_struct]
pub struct PopStateEvent {
event: Event,
#[ignore_malloc_size_of = "Defined in rust-mozjs"]
state: Heap<JSVal>,
}
impl PopStateEvent {
fn new_inherited() -> PopStateEvent {
PopStateEvent {
event: Event::new_inherited(),
state: Heap::default(),
}
}
fn new_uninitialized(window: &Window, proto: Option<HandleObject>) -> DomRoot<PopStateEvent> {
reflect_dom_object_with_proto(Box::new(PopStateEvent::new_inherited()), window, proto)
}
fn new(
window: &Window,
proto: Option<HandleObject>,
type_: Atom,
bubbles: bool,
cancelable: bool,
state: HandleValue,
) -> DomRoot<PopStateEvent> {
let ev = PopStateEvent::new_uninitialized(window, proto);
ev.state.set(state.get());
{
let event = ev.upcast::<Event>();
event.init_event(type_, bubbles, cancelable);
}
ev
}
#[allow(non_snake_case)]
pub fn Constructor(
window: &Window,
proto: Option<HandleObject>,
type_: DOMString,
init: RootedTraceableBox<PopStateEventBinding::PopStateEventInit>,
) -> Fallible<DomRoot<PopStateEvent>> {
Ok(PopStateEvent::new(
window,
proto,
Atom::from(type_),
init.parent.bubbles,
init.parent.cancelable,
init.state.handle(),
))
}
pub fn dispatch_jsval(target: &EventTarget, window: &Window, state: HandleValue) {
let event = PopStateEvent::new(window, None, atom!("popstate"), false, false, state);
event.upcast::<Event>().fire(target);
}
}
impl PopStateEventMethods for PopStateEvent {
// https://html.spec.whatwg.org/multipage/#dom-popstateevent-state
fn State(&self, _cx: JSContext) -> JSVal {
self.state.get()
}
// https://dom.spec.whatwg.org/#dom-event-istrusted
fn IsTrusted(&self) -> bool {
self.event.IsTrusted()
}
}
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