зеркало из https://github.com/mozilla/gecko-dev.git
318 строки
9.2 KiB
C++
318 строки
9.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_VRDevice_h_
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#define mozilla_dom_VRDevice_h_
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#include <stdint.h>
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#include "mozilla/ErrorResult.h"
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#include "mozilla/dom/TypedArray.h"
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#include "mozilla/dom/VRDeviceBinding.h"
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#include "mozilla/dom/DOMPoint.h"
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#include "mozilla/dom/DOMRect.h"
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#include "nsCOMPtr.h"
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#include "nsString.h"
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#include "nsTArray.h"
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#include "nsWrapperCache.h"
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#include "gfxVR.h"
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#include "VRDeviceProxy.h"
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namespace mozilla {
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namespace dom {
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class Navigator;
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class VRFieldOfViewReadOnly : public nsWrapperCache
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{
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public:
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VRFieldOfViewReadOnly(nsISupports* aParent,
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double aUpDegrees, double aRightDegrees,
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double aDownDegrees, double aLeftDegrees)
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: mParent(aParent)
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, mUpDegrees(aUpDegrees)
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, mRightDegrees(aRightDegrees)
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, mDownDegrees(aDownDegrees)
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, mLeftDegrees(aLeftDegrees)
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{
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}
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NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(VRFieldOfViewReadOnly)
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(VRFieldOfViewReadOnly)
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double UpDegrees() const { return mUpDegrees; }
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double RightDegrees() const { return mRightDegrees; }
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double DownDegrees() const { return mDownDegrees; }
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double LeftDegrees() const { return mLeftDegrees; }
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nsISupports* GetParentObject() const { return mParent; }
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virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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protected:
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virtual ~VRFieldOfViewReadOnly() {}
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nsCOMPtr<nsISupports> mParent;
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double mUpDegrees;
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double mRightDegrees;
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double mDownDegrees;
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double mLeftDegrees;
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};
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class VRFieldOfView final : public VRFieldOfViewReadOnly
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{
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public:
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VRFieldOfView(nsISupports* aParent, const gfx::VRFieldOfView& aSrc)
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: VRFieldOfViewReadOnly(aParent,
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aSrc.upDegrees, aSrc.rightDegrees,
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aSrc.downDegrees, aSrc.leftDegrees)
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{}
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explicit VRFieldOfView(nsISupports* aParent,
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double aUpDegrees = 0.0, double aRightDegrees = 0.0,
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double aDownDegrees = 0.0, double aLeftDegrees = 0.0)
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: VRFieldOfViewReadOnly(aParent,
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aUpDegrees, aRightDegrees, aDownDegrees, aLeftDegrees)
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{}
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static already_AddRefed<VRFieldOfView>
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Constructor(const GlobalObject& aGlobal, const VRFieldOfViewInit& aParams,
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ErrorResult& aRv);
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static already_AddRefed<VRFieldOfView>
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Constructor(const GlobalObject& aGlobal,
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double aUpDegrees, double aRightDegrees,
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double aDownDegrees, double aLeftDegrees,
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ErrorResult& aRv);
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virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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void SetUpDegrees(double aVal) { mUpDegrees = aVal; }
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void SetRightDegrees(double aVal) { mRightDegrees = aVal; }
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void SetDownDegrees(double aVal) { mDownDegrees = aVal; }
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void SetLeftDegrees(double aVal) { mLeftDegrees = aVal; }
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};
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class VRPositionState final : public nsWrapperCache
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{
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~VRPositionState() {}
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public:
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VRPositionState(nsISupports* aParent, const gfx::VRHMDSensorState& aState);
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NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(VRPositionState)
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(VRPositionState)
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double TimeStamp() const { return mTimeStamp; }
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bool HasPosition() const { return mPosition != nullptr; }
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DOMPoint* GetPosition() const { return mPosition; }
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bool HasOrientation() const { return mOrientation != nullptr; }
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DOMPoint* GetOrientation() const { return mOrientation; }
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// these are created lazily
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DOMPoint* GetLinearVelocity();
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DOMPoint* GetLinearAcceleration();
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DOMPoint* GetAngularVelocity();
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DOMPoint* GetAngularAcceleration();
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nsISupports* GetParentObject() const { return mParent; }
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virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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protected:
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nsCOMPtr<nsISupports> mParent;
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double mTimeStamp;
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gfx::VRHMDSensorState mVRState;
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RefPtr<DOMPoint> mPosition;
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RefPtr<DOMPoint> mLinearVelocity;
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RefPtr<DOMPoint> mLinearAcceleration;
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RefPtr<DOMPoint> mOrientation;
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RefPtr<DOMPoint> mAngularVelocity;
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RefPtr<DOMPoint> mAngularAcceleration;
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};
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class VREyeParameters final : public nsWrapperCache
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{
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public:
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VREyeParameters(nsISupports* aParent,
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const gfx::VRFieldOfView& aMinFOV,
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const gfx::VRFieldOfView& aMaxFOV,
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const gfx::VRFieldOfView& aRecFOV,
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const gfx::Point3D& aEyeTranslation,
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const gfx::VRFieldOfView& aCurFOV,
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const gfx::IntRect& aRenderRect);
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NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(VREyeParameters)
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(VREyeParameters)
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VRFieldOfView* MinimumFieldOfView();
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VRFieldOfView* MaximumFieldOfView();
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VRFieldOfView* RecommendedFieldOfView();
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DOMPoint* EyeTranslation();
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VRFieldOfView* CurrentFieldOfView();
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DOMRect* RenderRect();
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nsISupports* GetParentObject() const { return mParent; }
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virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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protected:
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~VREyeParameters() {}
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nsCOMPtr<nsISupports> mParent;
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RefPtr<VRFieldOfView> mMinFOV;
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RefPtr<VRFieldOfView> mMaxFOV;
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RefPtr<VRFieldOfView> mRecFOV;
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RefPtr<DOMPoint> mEyeTranslation;
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RefPtr<VRFieldOfView> mCurFOV;
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RefPtr<DOMRect> mRenderRect;
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};
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class VRDevice : public nsISupports,
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public nsWrapperCache
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{
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(VRDevice)
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void GetHardwareUnitId(nsAString& aHWID) const { aHWID = mHWID; }
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void GetDeviceId(nsAString& aDeviceId) const { aDeviceId = mDeviceId; }
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void GetDeviceName(nsAString& aDeviceName) const { aDeviceName = mDeviceName; }
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bool IsValid() { return mValid; }
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nsISupports* GetParentObject() const
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{
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return mParent;
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}
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enum VRDeviceType {
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HMD,
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PositionSensor
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};
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VRDeviceType GetType() const { return mType; }
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static bool RefreshVRDevices(dom::Navigator* aNavigator);
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static void UpdateVRDevices(nsTArray<RefPtr<VRDevice> >& aDevices,
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nsISupports* aParent);
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gfx::VRDeviceProxy *GetHMD() {
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return mHMD;
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}
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protected:
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VRDevice(nsISupports* aParent,
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gfx::VRDeviceProxy* aHMD,
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VRDeviceType aType)
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: mParent(aParent)
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, mHMD(aHMD)
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, mType(aType)
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, mValid(false)
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{
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MOZ_COUNT_CTOR(VRDevice);
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mHWID.AssignLiteral("uknown");
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mDeviceId.AssignLiteral("unknown");
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mDeviceName.AssignLiteral("unknown");
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}
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virtual ~VRDevice()
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{
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MOZ_COUNT_DTOR(VRDevice);
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}
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nsCOMPtr<nsISupports> mParent;
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RefPtr<gfx::VRDeviceProxy> mHMD;
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nsString mHWID;
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nsString mDeviceId;
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nsString mDeviceName;
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VRDeviceType mType;
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bool mValid;
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};
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class HMDVRDevice : public VRDevice
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{
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public:
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virtual already_AddRefed<VREyeParameters> GetEyeParameters(VREye aEye) = 0;
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virtual void SetFieldOfView(const VRFieldOfViewInit& aLeftFOV,
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const VRFieldOfViewInit& aRightFOV,
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double zNear, double zFar) = 0;
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virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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protected:
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HMDVRDevice(nsISupports* aParent, gfx::VRDeviceProxy* aHMD)
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: VRDevice(aParent, aHMD, VRDevice::HMD)
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{
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MOZ_COUNT_CTOR_INHERITED(HMDVRDevice, VRDevice);
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}
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virtual ~HMDVRDevice()
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{
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MOZ_COUNT_DTOR_INHERITED(HMDVRDevice, VRDevice);
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}
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};
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class HMDInfoVRDevice : public HMDVRDevice
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{
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public:
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HMDInfoVRDevice(nsISupports* aParent, gfx::VRDeviceProxy* aHMD);
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virtual ~HMDInfoVRDevice();
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/* If a field of view that is set to all 0's is passed in,
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* the recommended field of view for that eye is used.
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*/
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virtual void SetFieldOfView(const VRFieldOfViewInit& aLeftFOV,
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const VRFieldOfViewInit& aRightFOV,
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double zNear, double zFar) override;
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virtual already_AddRefed<VREyeParameters> GetEyeParameters(VREye aEye) override;
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};
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class PositionSensorVRDevice : public VRDevice
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{
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public:
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virtual already_AddRefed<VRPositionState> GetState() = 0;
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virtual already_AddRefed<VRPositionState> GetImmediateState() = 0;
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virtual void ResetSensor() = 0;
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virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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protected:
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explicit PositionSensorVRDevice(nsISupports* aParent, gfx::VRDeviceProxy* aHMD)
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: VRDevice(aParent, aHMD, VRDevice::PositionSensor)
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{
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MOZ_COUNT_CTOR_INHERITED(PositionSensorVRDevice, VRDevice);
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}
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virtual ~PositionSensorVRDevice()
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{
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MOZ_COUNT_DTOR_INHERITED(PositionSensorVRDevice, VRDevice);
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}
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};
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class HMDPositionVRDevice : public PositionSensorVRDevice
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{
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public:
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HMDPositionVRDevice(nsISupports* aParent, gfx::VRDeviceProxy* aHMD);
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~HMDPositionVRDevice();
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virtual already_AddRefed<VRPositionState> GetState() override;
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virtual already_AddRefed<VRPositionState> GetImmediateState() override;
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virtual void ResetSensor() override;
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};
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} // namespace dom
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} // namespace mozilla
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#endif
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