dom/vr/XRRigidTransform.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_XRRigidTransform_h_
   8 #define mozilla_dom_XRRigidTransform_h_
   9
  10 #include "mozilla/DOMEventTargetHelper.h"
  11 #include "mozilla/dom/WebXRBinding.h"
  12
  13 #include "gfxVR.h"
  14
  15 namespace mozilla::dom {
  16
  17 class VRFrameData;
  18
  19 class XRRigidTransform final : public nsWrapperCache {
  20  public:
  21   NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(XRRigidTransform)
  22   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(XRRigidTransform)
  23
  24   explicit XRRigidTransform(nsISupports* aParent,
  25                             const gfx::PointDouble3D& aPosition,
  26                             const gfx::QuaternionDouble& aOrientation);
  27   explicit XRRigidTransform(nsISupports* aParent,
  28                             const gfx::Matrix4x4Double& aTransform);
  29   static already_AddRefed<XRRigidTransform> Constructor(
  30       const GlobalObject& aGlobal, const DOMPointInit& aOrigin,
  31       const DOMPointInit& aDirection, ErrorResult& aRv);
  32   XRRigidTransform& operator=(const XRRigidTransform& aOther);
  33   gfx::QuaternionDouble RawOrientation() const;
  34   gfx::PointDouble3D RawPosition() const;
  35   void Update(const gfx::PointDouble3D& aPosition,
  36               const gfx::QuaternionDouble& aOrientation);
  37   void Update(const gfx::Matrix4x4Double& aTransform);
  38   // WebIDL Boilerplate
  39   nsISupports* GetParentObject() const { return mParent; }
  40   JSObject* WrapObject(JSContext* aCx,
  41                        JS::Handle<JSObject*> aGivenProto) override;
  42
  43   // WebIDL Members
  44   DOMPoint* Position();
  45   DOMPoint* Orientation();
  46   void GetMatrix(JSContext* aCx, JS::MutableHandle<JSObject*> aRetval,
  47                  ErrorResult& aRv);
  48   already_AddRefed<XRRigidTransform> Inverse();
  49
  50  protected:
  51   void UpdateInternal();
  52   virtual ~XRRigidTransform();
  53
  54   nsCOMPtr<nsISupports> mParent;
  55   JS::Heap<JSObject*> mMatrixArray;
  56   RefPtr<DOMPoint> mPosition;
  57   RefPtr<DOMPoint> mOrientation;
  58   RefPtr<XRRigidTransform> mInverse;
  59   gfx::Matrix4x4Double mRawTransformMatrix;
  60   gfx::PointDouble3D mRawPosition;
  61   gfx::QuaternionDouble mRawOrientation;
  62   bool mNeedsUpdate;
  63 };
  64
  65 }  // namespace mozilla::dom
  66
  67 #endif  // mozilla_dom_XRRigidTransform_h_