XRRigidTransform.h

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/* -*- 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_