webxr: Update XRPose interface to latest spec (#33146)

* Update XRPose interface with missing members

Signed-off-by: Daniel Adams <msub2official@gmail.com>

* ./mach fmt

Signed-off-by: Daniel Adams <msub2official@gmail.com>

---------

Signed-off-by: Daniel Adams <msub2official@gmail.com>

components/script/dom/webidls/XRPose.webidl

@@ -6,6 +6,9 @@
 
 [SecureContext, Exposed=Window, Pref="dom.webxr.enabled"]
 interface XRPose {
-  readonly attribute XRRigidTransform transform;
+  [SameObject] readonly attribute XRRigidTransform transform;
-  // readonly attribute boolean emulatedPosition;
+  [SameObject] readonly attribute DOMPointReadOnly? linearVelocity;
+  [SameObject] readonly attribute DOMPointReadOnly? angularVelocity;
+
+  readonly attribute boolean emulatedPosition;
 };

components/script/dom/xrpose.rs

@@ -7,6 +7,7 @@ use dom_struct::dom_struct;
 use crate::dom::bindings::codegen::Bindings::XRPoseBinding::XRPoseMethods;
 use crate::dom::bindings::reflector::{reflect_dom_object, Reflector};
 use crate::dom::bindings::root::{Dom, DomRoot};
+use crate::dom::dompointreadonly::DOMPointReadOnly;
 use crate::dom::globalscope::GlobalScope;
 use crate::dom::xrrigidtransform::XRRigidTransform;
 use crate::dom::xrsession::ApiRigidTransform;
@@ -37,4 +38,23 @@ impl XRPoseMethods for XRPose {
     fn Transform(&self) -> DomRoot<XRRigidTransform> {
         DomRoot::from_ref(&self.transform)
     }
+
+    /// <https://www.w3.org/TR/webxr/#dom-xrpose-linearvelocity>
+    fn GetLinearVelocity(&self) -> Option<DomRoot<DOMPointReadOnly>> {
+        // TODO: Expose from webxr crate
+        None
+    }
+
+    /// <https://www.w3.org/TR/webxr/#dom-xrpose-angularvelocity>
+    fn GetAngularVelocity(&self) -> Option<DomRoot<DOMPointReadOnly>> {
+        // TODO: Expose from webxr crate
+        None
+    }
+
+    /// <https://www.w3.org/TR/webxr/#dom-xrpose-emulatedposition>
+    fn EmulatedPosition(&self) -> bool {
+        // There are currently no instances in which we would need to rely
+        // on emulation for reporting pose, so return false.
+        false
+    }
 }

tests/wpt/meta-legacy-layout/webxr/idlharness.https.window.js.ini

@@ -17,9 +17,6 @@
   [XRRay interface object length]
     expected: FAIL
 
-  [XRPose interface: attribute emulatedPosition]
-    expected: FAIL
-
   [XRBoundedReferenceSpace interface object length]
     expected: FAIL
 
@@ -317,12 +314,6 @@
   [XRSession interface: calling cancelAnimationFrame(unsigned long) on xrSession with too few arguments must throw TypeError]
     expected: FAIL
 
-  [XRPose interface: attribute linearVelocity]
-    expected: FAIL
-
-  [XRPose interface: attribute angularVelocity]
-    expected: FAIL
-
   [XRWebGLLayer interface: attribute fixedFoveation]
     expected: FAIL
 

tests/wpt/meta/webxr/idlharness.https.window.js.ini

@@ -41,9 +41,6 @@
   [XRSession interface: xrSession must inherit property "onend" with the proper type]
     expected: FAIL
 
-  [XRPose interface: attribute emulatedPosition]
-    expected: FAIL
-
   [XRInputSourcesChangeEvent must be primary interface of xrInputSourcesChangeEvent]
     expected: FAIL
 
@@ -260,12 +257,6 @@
   [XRSession interface: calling cancelAnimationFrame(unsigned long) on xrSession with too few arguments must throw TypeError]
     expected: FAIL
 
-  [XRPose interface: attribute linearVelocity]
-    expected: FAIL
-
-  [XRPose interface: attribute angularVelocity]
-    expected: FAIL
-
   [XRWebGLLayer interface: attribute fixedFoveation]
     expected: FAIL