script/dom/webxr/
xrpose.rs

1/* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
4
5use dom_struct::dom_struct;
6
7use crate::dom::bindings::codegen::Bindings::XRPoseBinding::XRPoseMethods;
8use crate::dom::bindings::reflector::{Reflector, reflect_dom_object};
9use crate::dom::bindings::root::{Dom, DomRoot};
10use crate::dom::dompointreadonly::DOMPointReadOnly;
11use crate::dom::window::Window;
12use crate::dom::xrrigidtransform::XRRigidTransform;
13use crate::dom::xrsession::ApiRigidTransform;
14use crate::script_runtime::CanGc;
15
16#[dom_struct]
17pub(crate) struct XRPose {
18    reflector_: Reflector,
19    transform: Dom<XRRigidTransform>,
20}
21
22impl XRPose {
23    pub(crate) fn new_inherited(transform: &XRRigidTransform) -> XRPose {
24        XRPose {
25            reflector_: Reflector::new(),
26            transform: Dom::from_ref(transform),
27        }
28    }
29
30    #[allow(unused)]
31    pub(crate) fn new(
32        window: &Window,
33        transform: ApiRigidTransform,
34        can_gc: CanGc,
35    ) -> DomRoot<XRPose> {
36        let transform = XRRigidTransform::new(window, transform, can_gc);
37        reflect_dom_object(Box::new(XRPose::new_inherited(&transform)), window, can_gc)
38    }
39}
40
41impl XRPoseMethods<crate::DomTypeHolder> for XRPose {
42    /// <https://immersive-web.github.io/webxr/#dom-xrpose-transform>
43    fn Transform(&self) -> DomRoot<XRRigidTransform> {
44        DomRoot::from_ref(&self.transform)
45    }
46
47    /// <https://www.w3.org/TR/webxr/#dom-xrpose-linearvelocity>
48    fn GetLinearVelocity(&self) -> Option<DomRoot<DOMPointReadOnly>> {
49        // TODO: Expose from webxr crate
50        None
51    }
52
53    /// <https://www.w3.org/TR/webxr/#dom-xrpose-angularvelocity>
54    fn GetAngularVelocity(&self) -> Option<DomRoot<DOMPointReadOnly>> {
55        // TODO: Expose from webxr crate
56        None
57    }
58
59    /// <https://www.w3.org/TR/webxr/#dom-xrpose-emulatedposition>
60    fn EmulatedPosition(&self) -> bool {
61        // There are currently no instances in which we would need to rely
62        // on emulation for reporting pose, so return false.
63        false
64    }
65}