Add stub XRRay

components/script/dom/bindings/trace.rs

@@ -158,6 +158,7 @@ use webgpu::{
 };
 use webrender_api::{DocumentId, ImageKey};
 use webxr_api::SwapChainId as WebXRSwapChainId;
+use webxr_api::Ray;
 
 unsafe_no_jsmanaged_fields!(Tm);
 
@@ -750,6 +751,13 @@ unsafe impl<U> JSTraceable for euclid::Rect<i32, U> {
     }
 }
 
+unsafe impl<Space> JSTraceable for Ray<Space> {
+    #[inline]
+    unsafe fn trace(&self, _trc: *mut JSTracer) {
+        // Do nothing
+    }
+}
+
 unsafe impl JSTraceable for StyleLocked<FontFaceRule> {
     unsafe fn trace(&self, _trc: *mut JSTracer) {
         // Do nothing.

components/script/dom/mod.rs

@@ -579,6 +579,7 @@ pub mod xrinputsourceschangeevent;
 pub mod xrlayer;
 pub mod xrmediabinding;
 pub mod xrpose;
+pub mod xrray;
 pub mod xrreferencespace;
 pub mod xrrenderstate;
 pub mod xrrigidtransform;

components/script/dom/webidls/XRRay.webidl

@@ -0,0 +1,14 @@
+/* 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/hit-test/#xrray-interface
+
+[SecureContext, Exposed=Window, Pref="dom.webxr.enabled"]
+interface XRRay {
+  // constructor(optional DOMPointInit origin, optional DOMPointInit direction);
+  // constructor(XRRigidTransform transform);
+  // [SameObject] readonly attribute DOMPointReadOnly origin;
+  // [SameObject] readonly attribute DOMPointReadOnly direction;
+  // [SameObject] readonly attribute Float32Array matrix;
+};

components/script/dom/xrray.rs

@@ -0,0 +1,29 @@
+/* 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::reflector::{reflect_dom_object, Reflector};
+use crate::dom::bindings::root::DomRoot;
+use crate::dom::globalscope::GlobalScope;
+use dom_struct::dom_struct;
+use webxr_api::{ApiSpace, Ray};
+
+#[dom_struct]
+pub struct XRRay {
+    reflector_: Reflector,
+    #[ignore_malloc_size_of = "defined in webxr"]
+    ray: Ray<ApiSpace>,
+}
+
+impl XRRay {
+    fn new_inherited(ray: Ray<ApiSpace>) -> XRRay {
+        XRRay {
+            reflector_: Reflector::new(),
+            ray,
+        }
+    }
+
+    pub fn new(global: &GlobalScope, ray: Ray<ApiSpace>) -> DomRoot<XRRay> {
+        reflect_dom_object(Box::new(XRRay::new_inherited(ray)), global)
+    }
+}