1 files changed, 37 insertions, 4 deletions
diff --git a/components/script/dom/xrsession.rs b/components/script/dom/xrsession.rs
index b0ebe383ae7..bbb4626b5e8 100644
--- a/components/script/dom/xrsession.rs
+++ b/components/script/dom/xrsession.rs
@@ -2,30 +2,63 @@
  * 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::XRBinding::XRSessionMode;
 use crate::dom::bindings::codegen::Bindings::XRSessionBinding;
+use crate::dom::bindings::codegen::Bindings::XRSessionBinding::XRSessionMethods;
+use crate::dom::bindings::num::Finite;
 use crate::dom::bindings::reflector::reflect_dom_object;
-use crate::dom::bindings::root::DomRoot;
+use crate::dom::bindings::root::{Dom, DomRoot};
 use crate::dom::eventtarget::EventTarget;
 use crate::dom::globalscope::GlobalScope;
+use crate::dom::vrdisplay::VRDisplay;
 use dom_struct::dom_struct;
+use std::cell::Cell;
 
 #[dom_struct]
 pub struct XRSession {
     eventtarget: EventTarget,
+    display: Dom<VRDisplay>,
+    depth_near: Cell<f64>,
+    depth_far: Cell<f64>,
 }
 
 impl XRSession {
-    fn new_inherited() -> XRSession {
+    fn new_inherited(display: &VRDisplay) -> XRSession {
         XRSession {
             eventtarget: EventTarget::new_inherited(),
+            display: Dom::from_ref(display),
+            depth_near: Cell::new(0.1),
+            depth_far: Cell::new(1000.),
         }
     }
 
-    pub fn new(global: &GlobalScope) -> DomRoot<XRSession> {
+    pub fn new(global: &GlobalScope, display: &VRDisplay) -> DomRoot<XRSession> {
         reflect_dom_object(
-            Box::new(XRSession::new_inherited()),
+            Box::new(XRSession::new_inherited(display)),
             global,
             XRSessionBinding::Wrap,
         )
     }
 }
+
+impl XRSessionMethods for XRSession {
+    fn DepthNear(&self) -> Finite<f64> {
+        Finite::wrap(self.depth_near.get())
+    }
+
+    fn DepthFar(&self) -> Finite<f64> {
+        Finite::wrap(self.depth_far.get())
+    }
+
+    fn SetDepthNear(&self, d: Finite<f64>) {
+        self.depth_near.set(*d)
+    }
+
+    fn SetDepthFar(&self, d: Finite<f64>) {
+        self.depth_far.set(*d)
+    }
+
+    fn Mode(&self) -> XRSessionMode {
+        XRSessionMode::Immersive_vr
+    }
+}