script/dom/webxr/
xrboundedreferencespace.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;
6use js::rust::MutableHandleValue;
7
8use crate::dom::bindings::codegen::Bindings::XRBoundedReferenceSpaceBinding::XRBoundedReferenceSpaceMethods;
9use crate::dom::bindings::codegen::Bindings::XRReferenceSpaceBinding::XRReferenceSpaceType;
10use crate::dom::bindings::reflector::{DomGlobal, reflect_dom_object};
11use crate::dom::bindings::root::{Dom, DomRoot};
12use crate::dom::bindings::utils::to_frozen_array;
13use crate::dom::dompointreadonly::DOMPointReadOnly;
14use crate::dom::globalscope::GlobalScope;
15use crate::dom::window::Window;
16use crate::dom::xrreferencespace::XRReferenceSpace;
17use crate::dom::xrrigidtransform::XRRigidTransform;
18use crate::dom::xrsession::XRSession;
19use crate::script_runtime::{CanGc, JSContext};
20
21#[dom_struct]
22pub(crate) struct XRBoundedReferenceSpace {
23    reference_space: XRReferenceSpace,
24    offset: Dom<XRRigidTransform>,
25}
26
27impl XRBoundedReferenceSpace {
28    pub(crate) fn new_inherited(
29        session: &XRSession,
30        offset: &XRRigidTransform,
31    ) -> XRBoundedReferenceSpace {
32        XRBoundedReferenceSpace {
33            reference_space: XRReferenceSpace::new_inherited(
34                session,
35                offset,
36                XRReferenceSpaceType::Bounded_floor,
37            ),
38            offset: Dom::from_ref(offset),
39        }
40    }
41
42    pub(crate) fn new(
43        window: &Window,
44        session: &XRSession,
45        can_gc: CanGc,
46    ) -> DomRoot<XRBoundedReferenceSpace> {
47        let offset = XRRigidTransform::identity(window, can_gc);
48        let global = window.global();
49        Self::new_offset(&global, session, &offset, can_gc)
50    }
51
52    pub(crate) fn new_offset(
53        global: &GlobalScope,
54        session: &XRSession,
55        offset: &XRRigidTransform,
56        can_gc: CanGc,
57    ) -> DomRoot<XRBoundedReferenceSpace> {
58        reflect_dom_object(
59            Box::new(XRBoundedReferenceSpace::new_inherited(session, offset)),
60            global,
61            can_gc,
62        )
63    }
64
65    pub(crate) fn reference_space(&self) -> &XRReferenceSpace {
66        &self.reference_space
67    }
68}
69
70impl XRBoundedReferenceSpaceMethods<crate::DomTypeHolder> for XRBoundedReferenceSpace {
71    /// <https://www.w3.org/TR/webxr/#dom-xrboundedreferencespace-boundsgeometry>
72    fn BoundsGeometry(&self, cx: JSContext, can_gc: CanGc, retval: MutableHandleValue) {
73        if let Some(bounds) = self.reference_space.get_bounds() {
74            let points: Vec<DomRoot<DOMPointReadOnly>> = bounds
75                .into_iter()
76                .map(|point| {
77                    DOMPointReadOnly::new(
78                        &self.global(),
79                        point.x.into(),
80                        0.0,
81                        point.y.into(),
82                        1.0,
83                        can_gc,
84                    )
85                })
86                .collect();
87
88            to_frozen_array(&points, cx, retval, can_gc)
89        } else {
90            to_frozen_array::<DomRoot<DOMPointReadOnly>>(&[], cx, retval, can_gc)
91        }
92    }
93}
script/dom/webxr/xrboundedreferencespace.rs

script/dom/webxr/
xrboundedreferencespace.rs
