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Add XRInputSourcesChangeEvent

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Manishearth committed Jan 8, 2020
1 parent 8200276 commit a90a42012bfcd4393ac447938efadfd5b4583be0
@@ -565,6 +565,7 @@ pub mod xrframe;
pub mod xrinputsource;
pub mod xrinputsourcearray;
pub mod xrinputsourceevent;
pub mod xrinputsourceschangeevent;
pub mod xrpose;
pub mod xrreferencespace;
pub mod xrrenderstate;
@@ -0,0 +1,19 @@
/* 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/. */

// https://immersive-web.github.io/webxr/#xrinputsourceschangedevent-interface

[SecureContext, Exposed=Window, Pref="dom.webxr.test"]
interface XRInputSourcesChangeEvent : Event {
constructor(DOMString type, XRInputSourcesChangeEventInit eventInitDict);
[SameObject] readonly attribute XRSession session;
/* [SameObject] */ readonly attribute /* FrozenArray<XRInputSource> */ any added;
/* [SameObject] */ readonly attribute /* FrozenArray<XRInputSource> */ any removed;
};

dictionary XRInputSourcesChangeEventInit : EventInit {
required XRSession session;
required sequence<XRInputSource> added;
required sequence<XRInputSource> removed;
};
@@ -0,0 +1,116 @@
/* 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::EventBinding::EventMethods;
use crate::dom::bindings::codegen::Bindings::XRInputSourcesChangeEventBinding::{
self, XRInputSourcesChangeEventMethods,
};
use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::reflector::{reflect_dom_object, DomObject};
use crate::dom::bindings::root::{Dom, DomRoot};
use crate::dom::bindings::str::DOMString;
use crate::dom::event::Event;
use crate::dom::globalscope::GlobalScope;
use crate::dom::window::Window;
use crate::dom::xrinputsource::XRInputSource;
use crate::dom::xrsession::XRSession;
use crate::script_runtime::JSContext;
use dom_struct::dom_struct;
use js::conversions::ToJSValConvertible;
use js::jsapi::Heap;
use js::jsval::{JSVal, UndefinedValue};
use servo_atoms::Atom;

#[dom_struct]
pub struct XRInputSourcesChangeEvent {
event: Event,
session: Dom<XRSession>,
#[ignore_malloc_size_of = "mozjs"]
added: Heap<JSVal>,
#[ignore_malloc_size_of = "mozjs"]
removed: Heap<JSVal>,
}

impl XRInputSourcesChangeEvent {
#[allow(unrooted_must_root)]
fn new_inherited(session: &XRSession) -> XRInputSourcesChangeEvent {
XRInputSourcesChangeEvent {
event: Event::new_inherited(),
session: Dom::from_ref(session),
added: Heap::default(),
removed: Heap::default(),
}
}

#[allow(unsafe_code)]
pub fn new(
global: &GlobalScope,
type_: Atom,
bubbles: bool,
cancelable: bool,
session: &XRSession,
added: &[DomRoot<XRInputSource>],
removed: &[DomRoot<XRInputSource>],
) -> DomRoot<XRInputSourcesChangeEvent> {
let changeevent = reflect_dom_object(
Box::new(XRInputSourcesChangeEvent::new_inherited(session)),
global,
XRInputSourcesChangeEventBinding::Wrap,
);
{
let event = changeevent.upcast::<Event>();
event.init_event(type_, bubbles, cancelable);
}

let cx = global.get_cx();
unsafe {
rooted!(in(*cx) let mut added_val = UndefinedValue());
rooted!(in(*cx) let mut removed_val = UndefinedValue());
added.to_jsval(*cx, added_val.handle_mut());
removed.to_jsval(*cx, removed_val.handle_mut());
changeevent.added.set(added_val.get());
changeevent.added.set(removed_val.get());
}

changeevent
}

pub fn Constructor(
window: &Window,
type_: DOMString,
init: &XRInputSourcesChangeEventBinding::XRInputSourcesChangeEventInit,
) -> DomRoot<XRInputSourcesChangeEvent> {
XRInputSourcesChangeEvent::new(
&window.global(),
Atom::from(type_),
init.parent.bubbles,
init.parent.cancelable,
&init.session,
&*init.added,
&*init.removed,
)
}
}

impl XRInputSourcesChangeEventMethods for XRInputSourcesChangeEvent {
// https://immersive-web.github.io/webxr/#dom-xrinputsourceschangeevent-session
fn Session(&self) -> DomRoot<XRSession> {
DomRoot::from_ref(&*self.session)
}

// https://immersive-web.github.io/webxr/#dom-xrinputsourceschangeevent-added
fn Added(&self, _cx: JSContext) -> JSVal {
self.added.get()
}

// https://immersive-web.github.io/webxr/#dom-xrinputsourceschangeevent-removed
fn Removed(&self, _cx: JSContext) -> JSVal {
self.removed.get()
}

// https://dom.spec.whatwg.org/#dom-event-istrusted
fn IsTrusted(&self) -> bool {
self.event.IsTrusted()
}
}

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