1 files changed, 56 insertions, 0 deletions
diff --git a/dom/vr/XRView.h b/dom/vr/XRView.h
new file mode 100644
index 0000000000..157e489022
--- /dev/null
+++ b/dom/vr/XRView.h
@@ -0,0 +1,56 @@
+/* -*- 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_XRView_h_
+#define mozilla_dom_XRView_h_
+
+#include "mozilla/DOMEventTargetHelper.h"
+#include "mozilla/dom/WebXRBinding.h"
+
+#include "gfxVR.h"
+
+namespace mozilla::dom {
+
+enum class XREye : uint8_t;
+class XRRigidTransform;
+
+class XRView final : public nsWrapperCache {
+ public:
+  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(XRView)
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(XRView)
+
+  explicit XRView(nsISupports* aParent, const XREye& aEye);
+
+  void Update(const gfx::PointDouble3D& aPosition,
+              const gfx::QuaternionDouble& aOrientation,
+              const gfx::Matrix4x4& aProjectionMatrix);
+  // WebIDL Boilerplate
+  nsISupports* GetParentObject() const { return mParent; }
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+
+  // WebIDL Members
+  XREye Eye() const;
+  void GetProjectionMatrix(JSContext* aCx, JS::MutableHandle<JSObject*> aRetval,
+                           ErrorResult& aRv);
+  already_AddRefed<XRRigidTransform> GetTransform(ErrorResult& aRv);
+
+ protected:
+  virtual ~XRView();
+
+  nsCOMPtr<nsISupports> mParent;
+  XREye mEye;
+  gfx::PointDouble3D mPosition;
+  gfx::QuaternionDouble mOrientation;
+  gfx::Matrix4x4 mProjectionMatrix;
+  JS::Heap<JSObject*> mJSProjectionMatrix;
+  bool mProjectionNeedsUpdate = true;
+  RefPtr<XRRigidTransform> mTransform;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_XRView_h_