/* -*- 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_DeviceMotionEvent_h_

#define mozilla_dom_DeviceMotionEvent_h_

#include "mozilla/Attributes.h"

#include "mozilla/dom/DeviceMotionEventBinding.h"

#include "mozilla/dom/Event.h"

namespace mozilla {

namespace dom {

class DeviceRotationRate final : public nsWrapperCache

{

public:

  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(DeviceRotationRate)

  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(DeviceRotationRate)

  DeviceRotationRate(DeviceMotionEvent* aOwner,

                     const Nullable<double>& aAlpha,

                     const Nullable<double>& aBeta,

                     const Nullable<double>& aGamma);

  DeviceMotionEvent* GetParentObject() const

  {

    return mOwner;

  }

  virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override

  {

    return DeviceRotationRate_Binding::Wrap(aCx, this, aGivenProto);

  }

  Nullable<double> GetAlpha() const { return mAlpha; }

  Nullable<double> GetBeta() const { return mBeta; }

  Nullable<double> GetGamma() const { return mGamma; }

private:

  ~DeviceRotationRate();

protected:

  RefPtr<DeviceMotionEvent> mOwner;

  Nullable<double> mAlpha, mBeta, mGamma;

};

class DeviceAcceleration final : public nsWrapperCache

{

public:

  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(DeviceAcceleration)

  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(DeviceAcceleration)

  DeviceAcceleration(DeviceMotionEvent* aOwner,

                     const Nullable<double>& aX,

                     const Nullable<double>& aY,

                     const Nullable<double>& aZ);

  DeviceMotionEvent* GetParentObject() const

  {

    return mOwner;

  }

  virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override

  {

    return DeviceAcceleration_Binding::Wrap(aCx, this, aGivenProto);

  }

  Nullable<double> GetX() const { return mX; }

  Nullable<double> GetY() const { return mY; }

  Nullable<double> GetZ() const { return mZ; }

private:

  ~DeviceAcceleration();

protected:

  RefPtr<DeviceMotionEvent> mOwner;

  Nullable<double> mX, mY, mZ;

};

class DeviceMotionEvent final : public Event

{

public:

  DeviceMotionEvent(EventTarget* aOwner,

                    nsPresContext* aPresContext,

                    WidgetEvent* aEvent)

    : Event(aOwner, aPresContext, aEvent)

  {

  }

  NS_DECL_ISUPPORTS_INHERITED

  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(DeviceMotionEvent, Event)

  virtual JSObject* WrapObjectInternal(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override

  {

    return DeviceMotionEvent_Binding::Wrap(aCx, this, aGivenProto);

  }

  DeviceAcceleration* GetAcceleration() const

  {

    return mAcceleration;

  }

  DeviceAcceleration* GetAccelerationIncludingGravity() const

  {

    return mAccelerationIncludingGravity;

  }

  DeviceRotationRate* GetRotationRate() const

  {

    return mRotationRate;

  }

  Nullable<double> GetInterval() const

  {

    return mInterval;

  }

  void InitDeviceMotionEvent(

         const nsAString& aType,

         bool aCanBubble,

         bool aCancelable,

         const DeviceAccelerationInit& aAcceleration,

         const DeviceAccelerationInit& aAccelerationIncludingGravity,

         const DeviceRotationRateInit& aRotationRate,

         const Nullable<double>& aInterval);

  void InitDeviceMotionEvent(

         const nsAString& aType,

         bool aCanBubble,

         bool aCancelable,

         const DeviceAccelerationInit& aAcceleration,

         const DeviceAccelerationInit& aAccelerationIncludingGravity,

         const DeviceRotationRateInit& aRotationRate,

         const Nullable<double>& aInterval,

         const Nullable<uint64_t>& aTimeStamp);

  static already_AddRefed<DeviceMotionEvent>

  Constructor(const GlobalObject& aGlobal,

              const nsAString& aType,

              const DeviceMotionEventInit& aEventInitDict,

              ErrorResult& aRv);

protected:

  ~DeviceMotionEvent() {}

  RefPtr<DeviceAcceleration> mAcceleration;

  RefPtr<DeviceAcceleration> mAccelerationIncludingGravity;

  RefPtr<DeviceRotationRate> mRotationRate;

  Nullable<double> mInterval;

};

} // namespace dom

} // namespace mozilla

already_AddRefed<mozilla::dom::DeviceMotionEvent>

NS_NewDOMDeviceMotionEvent(mozilla::dom::EventTarget* aOwner,

                           nsPresContext* aPresContext,

                           mozilla::WidgetEvent* aEvent);

#endif // mozilla_dom_DeviceMotionEvent_h_