dom/vr/XRFrame.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_XRFrame_h_
   8 #define mozilla_dom_XRFrame_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 XRFrameOfReference;
  18 class XRInputPose;
  19 class XRInputSource;
  20 class XRPose;
  21 class XRReferenceSpace;
  22 class XRSession;
  23 class XRSpace;
  24 class XRViewerPose;
  25
  26 class XRFrame final : public nsWrapperCache {
  27  public:
  28   NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(XRFrame)
  29   NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_CLASS(XRFrame)
  30
  31   explicit XRFrame(nsISupports* aParent, XRSession* aXRSession);
  32
  33   void StartAnimationFrame();
  34   void EndAnimationFrame();
  35   void StartInputSourceEvent();
  36   void EndInputSourceEvent();
  37
  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   XRSession* Session();
  45   already_AddRefed<XRViewerPose> GetViewerPose(
  46       const XRReferenceSpace& aReferenceSpace, ErrorResult& aRv);
  47   already_AddRefed<XRPose> GetPose(const XRSpace& aSpace,
  48                                    const XRSpace& aBaseSpace, ErrorResult& aRv);
  49   gfx::Matrix4x4 ConstructInlineProjection(float aFov, float aAspect,
  50                                            float aNear, float aFar);
  51
  52  protected:
  53   virtual ~XRFrame() = default;
  54
  55   nsCOMPtr<nsISupports> mParent;
  56   RefPtr<XRSession> mSession;
  57   bool mActive;
  58   bool mAnimationFrame;
  59 };
  60
  61 }  // namespace mozilla::dom
  62
  63 #endif  // mozilla_dom_XRFrame_h_