XRFrame.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_XRFrame_h_

#define mozilla_dom_XRFrame_h_

#include "mozilla/DOMEventTargetHelper.h"

#include "mozilla/dom/WebXRBinding.h"

#include "gfxVR.h"

namespace mozilla::dom {

class XRFrameOfReference;

class XRInputPose;

class XRInputSource;

class XRPose;

class XRReferenceSpace;

class XRSession;

class XRSpace;

class XRViewerPose;

class XRFrame final : public nsWrapperCache {

 public:

  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(XRFrame)

  NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_CLASS(XRFrame)

  explicit XRFrame(nsISupports* aParent, XRSession* aXRSession);

  void StartAnimationFrame();

  void EndAnimationFrame();

  void StartInputSourceEvent();

  void EndInputSourceEvent();

  // WebIDL Boilerplate

  nsISupports* GetParentObject() const { return mParent; }

  JSObject* WrapObject(JSContext* aCx,

                       JS::Handle<JSObject*> aGivenProto) override;

  // WebIDL Members

  XRSession* Session();

  already_AddRefed<XRViewerPose> GetViewerPose(

      const XRReferenceSpace& aReferenceSpace, ErrorResult& aRv);

  already_AddRefed<XRPose> GetPose(const XRSpace& aSpace,

                                   const XRSpace& aBaseSpace, ErrorResult& aRv);

  gfx::Matrix4x4 ConstructInlineProjection(float aFov, float aAspect,

                                           float aNear, float aFar);

 protected:

  virtual ~XRFrame() = default;

  nsCOMPtr<nsISupports> mParent;

  RefPtr<XRSession> mSession;

  bool mActive;

  bool mAnimationFrame;

};

}  // namespace mozilla::dom

#endif  // mozilla_dom_XRFrame_h_