DeviceMotionEvent.h

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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_DeviceMotionEvent_h_

#define mozilla_dom_DeviceMotionEvent_h_

#include "mozilla/Attributes.h"

#include "mozilla/dom/DeviceMotionEventBinding.h"

#include "mozilla/dom/Event.h"

namespace mozilla::dom {

class DeviceRotationRate final : public nsWrapperCache {

 public:

  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(DeviceRotationRate)

  NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_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_NATIVE_WRAPPERCACHE_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);

 protected:

  ~DeviceMotionEvent() = default;

  RefPtr<DeviceAcceleration> mAcceleration;

  RefPtr<DeviceAcceleration> mAccelerationIncludingGravity;

  RefPtr<DeviceRotationRate> mRotationRate;

  Nullable<double> mInterval;

};

}  // namespace mozilla::dom

already_AddRefed<mozilla::dom::DeviceMotionEvent> NS_NewDOMDeviceMotionEvent(

    mozilla::dom::EventTarget* aOwner, nsPresContext* aPresContext,

    mozilla::WidgetEvent* aEvent);

#endif  // mozilla_dom_DeviceMotionEvent_h_