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::context::JSContext;
7use js::rust::MutableHandleValue;
8use script_bindings::reflector::reflect_dom_object_with_cx;
9
10use crate::dom::bindings::codegen::Bindings::XRBoundedReferenceSpaceBinding::XRBoundedReferenceSpaceMethods;
11use crate::dom::bindings::codegen::Bindings::XRReferenceSpaceBinding::XRReferenceSpaceType;
12use crate::dom::bindings::reflector::DomGlobal;
13use crate::dom::bindings::root::{Dom, DomRoot};
14use crate::dom::bindings::utils::to_frozen_array;
15use crate::dom::dompointreadonly::DOMPointReadOnly;
16use crate::dom::globalscope::GlobalScope;
17use crate::dom::window::Window;
18use crate::dom::xrreferencespace::XRReferenceSpace;
19use crate::dom::xrrigidtransform::XRRigidTransform;
20use crate::dom::xrsession::XRSession;
21
22#[dom_struct]
23pub(crate) struct XRBoundedReferenceSpace {
24    reference_space: XRReferenceSpace,
25    offset: Dom<XRRigidTransform>,
26}
27
28impl XRBoundedReferenceSpace {
29    pub(crate) fn new_inherited(
30        session: &XRSession,
31        offset: &XRRigidTransform,
32    ) -> XRBoundedReferenceSpace {
33        XRBoundedReferenceSpace {
34            reference_space: XRReferenceSpace::new_inherited(
35                session,
36                offset,
37                XRReferenceSpaceType::Bounded_floor,
38            ),
39            offset: Dom::from_ref(offset),
40        }
41    }
42
43    pub(crate) fn new(
44        cx: &mut JSContext,
45        window: &Window,
46        session: &XRSession,
47    ) -> DomRoot<XRBoundedReferenceSpace> {
48        let offset = XRRigidTransform::identity(cx, window);
49        let global = window.global();
50        Self::new_offset(cx, &global, session, &offset)
51    }
52
53    pub(crate) fn new_offset(
54        cx: &mut JSContext,
55        global: &GlobalScope,
56        session: &XRSession,
57        offset: &XRRigidTransform,
58    ) -> DomRoot<XRBoundedReferenceSpace> {
59        reflect_dom_object_with_cx(
60            Box::new(XRBoundedReferenceSpace::new_inherited(session, offset)),
61            global,
62            cx,
63        )
64    }
65
66    pub(crate) fn reference_space(&self) -> &XRReferenceSpace {
67        &self.reference_space
68    }
69}
70
71impl XRBoundedReferenceSpaceMethods<crate::DomTypeHolder> for XRBoundedReferenceSpace {
72    /// <https://www.w3.org/TR/webxr/#dom-xrboundedreferencespace-boundsgeometry>
73    fn BoundsGeometry(&self, cx: &mut JSContext, retval: MutableHandleValue) {
74        if let Some(bounds) = self.reference_space.get_bounds() {
75            let points: Vec<DomRoot<DOMPointReadOnly>> = bounds
76                .into_iter()
77                .map(|point| {
78                    DOMPointReadOnly::new(
79                        cx,
80                        &self.global(),
81                        point.x.into(),
82                        0.0,
83                        point.y.into(),
84                        1.0,
85                    )
86                })
87                .collect();
88
89            to_frozen_array(cx, &points, retval)
90        } else {
91            to_frozen_array::<DomRoot<DOMPointReadOnly>>(cx, &[], retval)
92        }
93    }
94}
script/dom/webxr/xrboundedreferencespace.rs

script/dom/webxr/
xrboundedreferencespace.rs
