4 files changed, 74 insertions, 1 deletions
diff --git a/components/script/dom/mod.rs b/components/script/dom/mod.rs
index cc734b2543e..dac70366544 100644
--- a/components/script/dom/mod.rs
+++ b/components/script/dom/mod.rs
@@ -518,3 +518,4 @@ pub mod xmlhttprequest;
 pub mod xmlhttprequesteventtarget;
 pub mod xmlhttprequestupload;
 pub mod xr;
+pub mod xrsession;
diff --git a/components/script/dom/webidls/XRSession.webidl b/components/script/dom/webidls/XRSession.webidl
new file mode 100644
index 00000000000..d18b6e18a16
--- /dev/null
+++ b/components/script/dom/webidls/XRSession.webidl
@@ -0,0 +1,41 @@
+/* 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/webxr/#xrsession-interface
+
+enum XREnvironmentBlendMode {
+  "opaque",
+  "additive",
+  "alpha-blend",
+};
+
+[SecureContext, Exposed=Window] interface XRSession : EventTarget {
+  // // Attributes
+  // readonly attribute XRSessionMode mode;
+  // readonly attribute XRPresentationContext outputContext;
+  // readonly attribute XREnvironmentBlendMode environmentBlendMode;
+
+  // attribute double depthNear;
+  // attribute double depthFar;
+  // attribute XRLayer baseLayer;
+
+  // // Methods
+  // Promise<XRReferenceSpace> requestReferenceSpace(XRReferenceSpaceType type, optional XRReferenceSpaceOptions options);
+
+  // FrozenArray<XRInputSource> getInputSources();
+
+  // long requestAnimationFrame(XRFrameRequestCallback callback);
+  // void cancelAnimationFrame(long handle);
+
+  // Promise<void> end();
+
+  // // Events
+  // attribute EventHandler onblur;
+  // attribute EventHandler onfocus;
+  // attribute EventHandler onend;
+  // attribute EventHandler onselect;
+  // attribute EventHandler oninputsourceschange;
+  // attribute EventHandler onselectstart;
+  // attribute EventHandler onselectend;
+};
+\ No newline at end of file
diff --git a/components/script/dom/xr.rs b/components/script/dom/xr.rs
index 29d77b38a67..e64be23663e 100644
--- a/components/script/dom/xr.rs
+++ b/components/script/dom/xr.rs
@@ -3,8 +3,8 @@
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
 use crate::dom::bindings::cell::DomRefCell;
-use crate::dom::bindings::codegen::Bindings::XRBinding;
 use crate::dom::bindings::codegen::Bindings::VRDisplayBinding::VRDisplayMethods;
+use crate::dom::bindings::codegen::Bindings::XRBinding;
 use crate::dom::bindings::error::Error;
 use crate::dom::bindings::inheritance::Castable;
 use crate::dom::bindings::reflector::{reflect_dom_object, DomObject};
diff --git a/components/script/dom/xrsession.rs b/components/script/dom/xrsession.rs
new file mode 100644
index 00000000000..b0ebe383ae7
--- /dev/null
+++ b/components/script/dom/xrsession.rs
@@ -0,0 +1,31 @@
+/* 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::XRSessionBinding;
+use crate::dom::bindings::reflector::reflect_dom_object;
+use crate::dom::bindings::root::DomRoot;
+use crate::dom::eventtarget::EventTarget;
+use crate::dom::globalscope::GlobalScope;
+use dom_struct::dom_struct;
+
+#[dom_struct]
+pub struct XRSession {
+    eventtarget: EventTarget,
+}
+
+impl XRSession {
+    fn new_inherited() -> XRSession {
+        XRSession {
+            eventtarget: EventTarget::new_inherited(),
+        }
+    }
+
+    pub fn new(global: &GlobalScope) -> DomRoot<XRSession> {
+        reflect_dom_object(
+            Box::new(XRSession::new_inherited()),
+            global,
+            XRSessionBinding::Wrap,
+        )
+    }
+}