XRView.h - mozsearch

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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_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_