1 files changed, 86 insertions, 0 deletions
diff --git a/components/script/dom/xrmediabinding.rs b/components/script/dom/xrmediabinding.rs
new file mode 100644
index 00000000000..5e1dfd3abeb
--- /dev/null
+++ b/components/script/dom/xrmediabinding.rs
@@ -0,0 +1,86 @@
+/* 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::codegen::Bindings::XRMediaBindingBinding::XRMediaBindingBinding::XRMediaBindingMethods;
+use crate::dom::bindings::codegen::Bindings::XRMediaBindingBinding::XRMediaLayerInit;
+use crate::dom::bindings::error::Error;
+use crate::dom::bindings::error::Fallible;
+use crate::dom::bindings::reflector::reflect_dom_object;
+use crate::dom::bindings::reflector::Reflector;
+use crate::dom::bindings::root::Dom;
+use crate::dom::bindings::root::DomRoot;
+use crate::dom::htmlvideoelement::HTMLVideoElement;
+use crate::dom::window::Window;
+use crate::dom::xrcylinderlayer::XRCylinderLayer;
+use crate::dom::xrequirectlayer::XREquirectLayer;
+use crate::dom::xrquadlayer::XRQuadLayer;
+use crate::dom::xrsession::XRSession;
+use dom_struct::dom_struct;
+
+#[dom_struct]
+pub struct XRMediaBinding {
+    reflector: Reflector,
+    session: Dom<XRSession>,
+}
+
+impl XRMediaBinding {
+    pub fn new_inherited(session: &XRSession) -> XRMediaBinding {
+        XRMediaBinding {
+            reflector: Reflector::new(),
+            session: Dom::from_ref(session),
+        }
+    }
+
+    pub fn new(global: &Window, session: &XRSession) -> DomRoot<XRMediaBinding> {
+        reflect_dom_object(Box::new(XRMediaBinding::new_inherited(session)), global)
+    }
+
+    #[allow(non_snake_case)]
+    pub fn Constructor(global: &Window, session: &XRSession) -> Fallible<DomRoot<XRMediaBinding>> {
+        // Step 1.
+        if session.is_ended() {
+            return Err(Error::InvalidState);
+        }
+
+        // Step 2.
+        if !session.is_immersive() {
+            return Err(Error::InvalidState);
+        }
+
+        // Steps 3-5.
+        Ok(XRMediaBinding::new(global, session))
+    }
+}
+
+impl XRMediaBindingMethods for XRMediaBinding {
+    /// https://immersive-web.github.io/layers/#dom-xrmediabinding-createquadlayer
+    fn CreateQuadLayer(
+        &self,
+        _: &HTMLVideoElement,
+        _: &XRMediaLayerInit,
+    ) -> Fallible<DomRoot<XRQuadLayer>> {
+        // https://github.com/servo/servo/issues/27493
+        Err(Error::NotSupported)
+    }
+
+    /// https://immersive-web.github.io/layers/#dom-xrmediabinding-createcylinderlayer
+    fn CreateCylinderLayer(
+        &self,
+        _: &HTMLVideoElement,
+        _: &XRMediaLayerInit,
+    ) -> Fallible<DomRoot<XRCylinderLayer>> {
+        // https://github.com/servo/servo/issues/27493
+        Err(Error::NotSupported)
+    }
+
+    /// https://immersive-web.github.io/layers/#dom-xrmediabinding-createequirectlayer
+    fn CreateEquirectLayer(
+        &self,
+        _: &HTMLVideoElement,
+        _: &XRMediaLayerInit,
+    ) -> Fallible<DomRoot<XREquirectLayer>> {
+        // https://github.com/servo/servo/issues/27493
+        Err(Error::NotSupported)
+    }
+}