1 files changed, 63 insertions, 0 deletions
diff --git a/dom/vr/XRFrame.h b/dom/vr/XRFrame.h
new file mode 100644
index 0000000000..26bd601f3a
--- /dev/null
+++ b/dom/vr/XRFrame.h
@@ -0,0 +1,63 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_XRFrame_h_
+#define mozilla_dom_XRFrame_h_
+
+#include "mozilla/DOMEventTargetHelper.h"
+#include "mozilla/dom/WebXRBinding.h"
+
+#include "gfxVR.h"
+
+namespace mozilla::dom {
+
+class XRFrameOfReference;
+class XRInputPose;
+class XRInputSource;
+class XRPose;
+class XRReferenceSpace;
+class XRSession;
+class XRSpace;
+class XRViewerPose;
+
+class XRFrame final : public nsWrapperCache {
+ public:
+  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(XRFrame)
+  NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_CLASS(XRFrame)
+
+  explicit XRFrame(nsISupports* aParent, XRSession* aXRSession);
+
+  void StartAnimationFrame();
+  void EndAnimationFrame();
+  void StartInputSourceEvent();
+  void EndInputSourceEvent();
+
+  // WebIDL Boilerplate
+  nsISupports* GetParentObject() const { return mParent; }
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+
+  // WebIDL Members
+  XRSession* Session();
+  already_AddRefed<XRViewerPose> GetViewerPose(
+      const XRReferenceSpace& aReferenceSpace, ErrorResult& aRv);
+  already_AddRefed<XRPose> GetPose(const XRSpace& aSpace,
+                                   const XRSpace& aBaseSpace, ErrorResult& aRv);
+  gfx::Matrix4x4 ConstructInlineProjection(float aFov, float aAspect,
+                                           float aNear, float aFar);
+
+ protected:
+  virtual ~XRFrame() = default;
+
+  nsCOMPtr<nsISupports> mParent;
+  RefPtr<XRSession> mSession;
+  bool mActive;
+  bool mAnimationFrame;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_XRFrame_h_