1 files changed, 67 insertions, 0 deletions
diff --git a/dom/vr/XRRigidTransform.h b/dom/vr/XRRigidTransform.h
new file mode 100644
index 0000000000..defeebe13d
--- /dev/null
+++ b/dom/vr/XRRigidTransform.h
@@ -0,0 +1,67 @@
+/* -*- 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_XRRigidTransform_h_
+#define mozilla_dom_XRRigidTransform_h_
+
+#include "mozilla/DOMEventTargetHelper.h"
+#include "mozilla/dom/WebXRBinding.h"
+
+#include "gfxVR.h"
+
+namespace mozilla::dom {
+
+class VRFrameData;
+
+class XRRigidTransform final : public nsWrapperCache {
+ public:
+  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(XRRigidTransform)
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(XRRigidTransform)
+
+  explicit XRRigidTransform(nsISupports* aParent,
+                            const gfx::PointDouble3D& aPosition,
+                            const gfx::QuaternionDouble& aOrientation);
+  explicit XRRigidTransform(nsISupports* aParent,
+                            const gfx::Matrix4x4Double& aTransform);
+  static already_AddRefed<XRRigidTransform> Constructor(
+      const GlobalObject& aGlobal, const DOMPointInit& aOrigin,
+      const DOMPointInit& aDirection, ErrorResult& aRv);
+  XRRigidTransform& operator=(const XRRigidTransform& aOther);
+  gfx::QuaternionDouble RawOrientation() const;
+  gfx::PointDouble3D RawPosition() const;
+  void Update(const gfx::PointDouble3D& aPosition,
+              const gfx::QuaternionDouble& aOrientation);
+  void Update(const gfx::Matrix4x4Double& aTransform);
+  // WebIDL Boilerplate
+  nsISupports* GetParentObject() const { return mParent; }
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+
+  // WebIDL Members
+  DOMPoint* Position();
+  DOMPoint* Orientation();
+  void GetMatrix(JSContext* aCx, JS::MutableHandle<JSObject*> aRetval,
+                 ErrorResult& aRv);
+  already_AddRefed<XRRigidTransform> Inverse();
+
+ protected:
+  void UpdateInternal();
+  virtual ~XRRigidTransform();
+
+  nsCOMPtr<nsISupports> mParent;
+  JS::Heap<JSObject*> mMatrixArray;
+  RefPtr<DOMPoint> mPosition;
+  RefPtr<DOMPoint> mOrientation;
+  RefPtr<XRRigidTransform> mInverse;
+  gfx::Matrix4x4Double mRawTransformMatrix;
+  gfx::PointDouble3D mRawPosition;
+  gfx::QuaternionDouble mRawOrientation;
+  bool mNeedsUpdate;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_XRRigidTransform_h_