gecko-dev/dom/events/DeviceMotionEvent.cpp
2020-02-20 15:56:28 +00:00

141 lines
5.8 KiB
C++

/* -*- 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/. */
#include "mozilla/dom/DeviceMotionEvent.h"
#include "nsContentUtils.h"
namespace mozilla {
namespace dom {
/******************************************************************************
* DeviceMotionEvent
*****************************************************************************/
NS_IMPL_CYCLE_COLLECTION_INHERITED(DeviceMotionEvent, Event, mAcceleration,
mAccelerationIncludingGravity, mRotationRate)
NS_IMPL_ADDREF_INHERITED(DeviceMotionEvent, Event)
NS_IMPL_RELEASE_INHERITED(DeviceMotionEvent, Event)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(DeviceMotionEvent)
NS_INTERFACE_MAP_END_INHERITING(Event)
void DeviceMotionEvent::InitDeviceMotionEvent(
const nsAString& aType, bool aCanBubble, bool aCancelable,
const DeviceAccelerationInit& aAcceleration,
const DeviceAccelerationInit& aAccelIncludingGravity,
const DeviceRotationRateInit& aRotationRate,
const Nullable<double>& aInterval) {
InitDeviceMotionEvent(aType, aCanBubble, aCancelable, aAcceleration,
aAccelIncludingGravity, aRotationRate, aInterval,
Nullable<uint64_t>());
}
void DeviceMotionEvent::InitDeviceMotionEvent(
const nsAString& aType, bool aCanBubble, bool aCancelable,
const DeviceAccelerationInit& aAcceleration,
const DeviceAccelerationInit& aAccelIncludingGravity,
const DeviceRotationRateInit& aRotationRate,
const Nullable<double>& aInterval, const Nullable<uint64_t>& aTimeStamp) {
NS_ENSURE_TRUE_VOID(!mEvent->mFlags.mIsBeingDispatched);
Event::InitEvent(aType, aCanBubble, aCancelable);
mAcceleration = new DeviceAcceleration(this, aAcceleration.mX,
aAcceleration.mY, aAcceleration.mZ);
mAccelerationIncludingGravity = new DeviceAcceleration(
this, aAccelIncludingGravity.mX, aAccelIncludingGravity.mY,
aAccelIncludingGravity.mZ);
mRotationRate = new DeviceRotationRate(
this, aRotationRate.mAlpha, aRotationRate.mBeta, aRotationRate.mGamma);
mInterval = aInterval;
if (!aTimeStamp.IsNull()) {
mEvent->mTime = aTimeStamp.Value();
static mozilla::TimeStamp sInitialNow = mozilla::TimeStamp::Now();
static uint64_t sInitialEventTime = aTimeStamp.Value();
mEvent->mTimeStamp =
sInitialNow + mozilla::TimeDuration::FromMicroseconds(
aTimeStamp.Value() - sInitialEventTime);
}
}
already_AddRefed<DeviceMotionEvent> DeviceMotionEvent::Constructor(
const GlobalObject& aGlobal, const nsAString& aType,
const DeviceMotionEventInit& aEventInitDict) {
nsCOMPtr<EventTarget> t = do_QueryInterface(aGlobal.GetAsSupports());
RefPtr<DeviceMotionEvent> e = new DeviceMotionEvent(t, nullptr, nullptr);
e->InitEvent(aType, aEventInitDict.mBubbles, aEventInitDict.mCancelable);
bool trusted = e->Init(t);
e->mAcceleration = new DeviceAcceleration(e, aEventInitDict.mAcceleration.mX,
aEventInitDict.mAcceleration.mY,
aEventInitDict.mAcceleration.mZ);
e->mAccelerationIncludingGravity =
new DeviceAcceleration(e, aEventInitDict.mAccelerationIncludingGravity.mX,
aEventInitDict.mAccelerationIncludingGravity.mY,
aEventInitDict.mAccelerationIncludingGravity.mZ);
e->mRotationRate = new DeviceRotationRate(
e, aEventInitDict.mRotationRate.mAlpha,
aEventInitDict.mRotationRate.mBeta, aEventInitDict.mRotationRate.mGamma);
e->mInterval = aEventInitDict.mInterval;
e->SetTrusted(trusted);
e->SetComposed(aEventInitDict.mComposed);
return e.forget();
}
/******************************************************************************
* DeviceAcceleration
*****************************************************************************/
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(DeviceAcceleration, mOwner)
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(DeviceAcceleration, AddRef)
NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(DeviceAcceleration, Release)
DeviceAcceleration::DeviceAcceleration(DeviceMotionEvent* aOwner,
const Nullable<double>& aX,
const Nullable<double>& aY,
const Nullable<double>& aZ)
: mOwner(aOwner), mX(aX), mY(aY), mZ(aZ) {}
DeviceAcceleration::~DeviceAcceleration() = default;
/******************************************************************************
* DeviceRotationRate
*****************************************************************************/
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(DeviceRotationRate, mOwner)
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(DeviceRotationRate, AddRef)
NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(DeviceRotationRate, Release)
DeviceRotationRate::DeviceRotationRate(DeviceMotionEvent* aOwner,
const Nullable<double>& aAlpha,
const Nullable<double>& aBeta,
const Nullable<double>& aGamma)
: mOwner(aOwner), mAlpha(aAlpha), mBeta(aBeta), mGamma(aGamma) {}
DeviceRotationRate::~DeviceRotationRate() = default;
} // namespace dom
} // namespace mozilla
using namespace mozilla;
using namespace mozilla::dom;
already_AddRefed<DeviceMotionEvent> NS_NewDOMDeviceMotionEvent(
EventTarget* aOwner, nsPresContext* aPresContext, WidgetEvent* aEvent) {
RefPtr<DeviceMotionEvent> it =
new DeviceMotionEvent(aOwner, aPresContext, aEvent);
return it.forget();
}