1 files changed, 66 insertions, 0 deletions
diff --git a/components/script/dom/xrtest.rs b/components/script/dom/xrtest.rs
new file mode 100644
index 00000000000..07fac9d6a89
--- /dev/null
+++ b/components/script/dom/xrtest.rs
@@ -0,0 +1,66 @@
+/* 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/. */
+
+/* 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::XRTestBinding::{
+    self, FakeXRDeviceInit, XRTestMethods,
+};
+use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
+use crate::dom::bindings::root::DomRoot;
+use crate::dom::fakexrdevicecontroller::FakeXRDeviceController;
+use crate::dom::globalscope::GlobalScope;
+use crate::dom::promise::Promise;
+use dom_struct::dom_struct;
+use std::cell::Cell;
+use std::rc::Rc;
+use webvr_traits::WebVRMsg;
+
+#[dom_struct]
+pub struct XRTest {
+    reflector: Reflector,
+    session_started: Cell<bool>,
+}
+
+impl XRTest {
+    pub fn new_inherited() -> XRTest {
+        XRTest {
+            reflector: Reflector::new(),
+            session_started: Cell::new(false),
+        }
+    }
+
+    pub fn new(global: &GlobalScope) -> DomRoot<XRTest> {
+        reflect_dom_object(
+            Box::new(XRTest::new_inherited()),
+            global,
+            XRTestBinding::Wrap,
+        )
+    }
+}
+
+impl XRTestMethods for XRTest {
+    /// https://github.com/immersive-web/webxr-test-api/blob/master/explainer.md
+    fn SimulateDeviceConnection(&self, init: &FakeXRDeviceInit) -> Rc<Promise> {
+        let p = Promise::new(&self.global());
+
+        if !init.supportsImmersive || self.session_started.get() {
+            p.reject_native(&());
+            return p;
+        }
+
+        self.session_started.set(true);
+        self.global()
+            .as_window()
+            .webvr_thread()
+            .unwrap()
+            .send(WebVRMsg::CreateMockDisplay)
+            .unwrap();
+        p.resolve_native(&FakeXRDeviceController::new(&self.global()));
+
+        p
+    }
+}