dom/vr/XRView.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_XRView_h_
   8 #define mozilla_dom_XRView_h_
   9
  10 #include "mozilla/DOMEventTargetHelper.h"
  11 #include "mozilla/dom/WebXRBinding.h"
  12
  13 #include "gfxVR.h"
  14
  15 namespace mozilla {
  16 namespace dom {
  17
  18 enum class XREye : uint8_t;
  19 class XRRigidTransform;
  20
  21 class XRView final : public nsWrapperCache {
  22  public:
  23   NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(XRView)
  24   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(XRView)
  25
  26   explicit XRView(nsISupports* aParent, const XREye& aEye);
  27
  28   void Update(const gfx::PointDouble3D& aPosition,
  29               const gfx::QuaternionDouble& aOrientation,
  30               const gfx::Matrix4x4& aProjectionMatrix);
  31   // WebIDL Boilerplate
  32   nsISupports* GetParentObject() const { return mParent; }
  33   JSObject* WrapObject(JSContext* aCx,
  34                        JS::Handle<JSObject*> aGivenProto) override;
  35
  36   // WebIDL Members
  37   XREye Eye() const;
  38   void GetProjectionMatrix(JSContext* aCx, JS::MutableHandle<JSObject*> aRetval,
  39                            ErrorResult& aRv);
  40   already_AddRefed<XRRigidTransform> GetTransform(ErrorResult& aRv);
  41
  42  protected:
  43   virtual ~XRView();
  44
  45   nsCOMPtr<nsISupports> mParent;
  46   XREye mEye;
  47   gfx::PointDouble3D mPosition;
  48   gfx::QuaternionDouble mOrientation;
  49   gfx::Matrix4x4 mProjectionMatrix;
  50   JS::Heap<JSObject*> mJSProjectionMatrix;
  51   bool mProjectionNeedsUpdate = true;
  52   RefPtr<XRRigidTransform> mTransform;
  53 };
  54
  55 }  // namespace dom
  56 }  // namespace mozilla
  57
  58 #endif  // mozilla_dom_XRView_h_