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       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
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #include "mozilla/dom/DeviceMotionEvent.h"
       8             : #include "nsContentUtils.h"
       9             : 
      10             : namespace mozilla {
      11             : namespace dom {
      12             : 
      13             : /******************************************************************************
      14             :  * DeviceMotionEvent
      15             :  *****************************************************************************/
      16             : 
      17           0 : NS_IMPL_CYCLE_COLLECTION_INHERITED(DeviceMotionEvent, Event,
      18             :                                    mAcceleration,
      19             :                                    mAccelerationIncludingGravity,
      20             :                                    mRotationRate)
      21             : 
      22           0 : NS_IMPL_ADDREF_INHERITED(DeviceMotionEvent, Event)
      23           0 : NS_IMPL_RELEASE_INHERITED(DeviceMotionEvent, Event)
      24             : 
      25           0 : NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(DeviceMotionEvent)
      26           0 : NS_INTERFACE_MAP_END_INHERITING(Event)
      27             : 
      28             : void
      29           0 : DeviceMotionEvent::InitDeviceMotionEvent(
      30             :                      const nsAString& aType,
      31             :                      bool aCanBubble,
      32             :                      bool aCancelable,
      33             :                      const DeviceAccelerationInit& aAcceleration,
      34             :                      const DeviceAccelerationInit& aAccelIncludingGravity,
      35             :                      const DeviceRotationRateInit& aRotationRate,
      36             :                      const Nullable<double>& aInterval)
      37             : {
      38           0 :   InitDeviceMotionEvent(aType, aCanBubble, aCancelable, aAcceleration,
      39             :                         aAccelIncludingGravity, aRotationRate, aInterval,
      40           0 :                         Nullable<uint64_t>());
      41           0 : }
      42             : 
      43             : void
      44           0 : DeviceMotionEvent::InitDeviceMotionEvent(
      45             :                      const nsAString& aType,
      46             :                      bool aCanBubble,
      47             :                      bool aCancelable,
      48             :                      const DeviceAccelerationInit& aAcceleration,
      49             :                      const DeviceAccelerationInit& aAccelIncludingGravity,
      50             :                      const DeviceRotationRateInit& aRotationRate,
      51             :                      const Nullable<double>& aInterval,
      52             :                      const Nullable<uint64_t>& aTimeStamp)
      53             : {
      54           0 :   NS_ENSURE_TRUE_VOID(!mEvent->mFlags.mIsBeingDispatched);
      55             : 
      56           0 :   Event::InitEvent(aType, aCanBubble, aCancelable);
      57             : 
      58             :   mAcceleration = new DeviceAcceleration(this, aAcceleration.mX,
      59             :                                          aAcceleration.mY,
      60           0 :                                          aAcceleration.mZ);
      61             : 
      62             :   mAccelerationIncludingGravity =
      63             :     new DeviceAcceleration(this, aAccelIncludingGravity.mX,
      64             :                            aAccelIncludingGravity.mY,
      65           0 :                            aAccelIncludingGravity.mZ);
      66             : 
      67             :   mRotationRate = new DeviceRotationRate(this, aRotationRate.mAlpha,
      68             :                                          aRotationRate.mBeta,
      69           0 :                                          aRotationRate.mGamma);
      70           0 :   mInterval = aInterval;
      71           0 :   if (!aTimeStamp.IsNull()) {
      72           0 :     mEvent->mTime = aTimeStamp.Value();
      73             : 
      74           0 :     static mozilla::TimeStamp sInitialNow = mozilla::TimeStamp::Now();
      75           0 :     static uint64_t sInitialEventTime = aTimeStamp.Value();
      76           0 :     mEvent->mTimeStamp = sInitialNow + mozilla::TimeDuration::FromMicroseconds(
      77           0 :       aTimeStamp.Value() - sInitialEventTime);
      78             :   }
      79             : }
      80             : 
      81             : already_AddRefed<DeviceMotionEvent>
      82           0 : DeviceMotionEvent::Constructor(const GlobalObject& aGlobal,
      83             :                                const nsAString& aType,
      84             :                                const DeviceMotionEventInit& aEventInitDict,
      85             :                                ErrorResult& aRv)
      86             : {
      87           0 :   nsCOMPtr<EventTarget> t = do_QueryInterface(aGlobal.GetAsSupports());
      88           0 :   RefPtr<DeviceMotionEvent> e = new DeviceMotionEvent(t, nullptr, nullptr);
      89           0 :   e->InitEvent(aType, aEventInitDict.mBubbles, aEventInitDict.mCancelable);
      90           0 :   bool trusted = e->Init(t);
      91             : 
      92           0 :   e->mAcceleration = new DeviceAcceleration(e,
      93             :     aEventInitDict.mAcceleration.mX,
      94             :     aEventInitDict.mAcceleration.mY,
      95           0 :     aEventInitDict.mAcceleration.mZ);
      96             : 
      97           0 :   e->mAccelerationIncludingGravity = new DeviceAcceleration(e,
      98             :     aEventInitDict.mAccelerationIncludingGravity.mX,
      99             :     aEventInitDict.mAccelerationIncludingGravity.mY,
     100           0 :     aEventInitDict.mAccelerationIncludingGravity.mZ);
     101             : 
     102           0 :   e->mRotationRate = new DeviceRotationRate(e,
     103             :     aEventInitDict.mRotationRate.mAlpha,
     104             :     aEventInitDict.mRotationRate.mBeta,
     105           0 :     aEventInitDict.mRotationRate.mGamma);
     106             : 
     107           0 :   e->mInterval = aEventInitDict.mInterval;
     108           0 :   e->SetTrusted(trusted);
     109           0 :   e->SetComposed(aEventInitDict.mComposed);
     110           0 :   return e.forget();
     111             : }
     112             : 
     113             : /******************************************************************************
     114             :  * DeviceAcceleration
     115             :  *****************************************************************************/
     116             : 
     117           0 : NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(DeviceAcceleration, mOwner)
     118             : 
     119           0 : NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(DeviceAcceleration, AddRef)
     120           0 : NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(DeviceAcceleration, Release)
     121             : 
     122           0 : DeviceAcceleration::DeviceAcceleration(DeviceMotionEvent* aOwner,
     123             :                                        const Nullable<double>& aX,
     124             :                                        const Nullable<double>& aY,
     125           0 :                                        const Nullable<double>& aZ)
     126             :   : mOwner(aOwner)
     127             :   , mX(aX)
     128             :   , mY(aY)
     129           0 :   , mZ(aZ)
     130             : {
     131           0 : }
     132             : 
     133           0 : DeviceAcceleration::~DeviceAcceleration()
     134             : {
     135           0 : }
     136             : 
     137             : /******************************************************************************
     138             :  * DeviceRotationRate
     139             :  *****************************************************************************/
     140             : 
     141           0 : NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(DeviceRotationRate, mOwner)
     142             : 
     143           0 : NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(DeviceRotationRate, AddRef)
     144           0 : NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(DeviceRotationRate, Release)
     145             : 
     146           0 : DeviceRotationRate::DeviceRotationRate(DeviceMotionEvent* aOwner,
     147             :                                        const Nullable<double>& aAlpha,
     148             :                                        const Nullable<double>& aBeta,
     149           0 :                                        const Nullable<double>& aGamma)
     150             :   : mOwner(aOwner)
     151             :   , mAlpha(aAlpha)
     152             :   , mBeta(aBeta)
     153           0 :   , mGamma(aGamma)
     154             : {
     155           0 : }
     156             : 
     157           0 : DeviceRotationRate::~DeviceRotationRate()
     158             : {
     159           0 : }
     160             : 
     161             : } // namespace dom
     162             : } // namespace mozilla
     163             : 
     164             : using namespace mozilla;
     165             : using namespace mozilla::dom;
     166             : 
     167             : already_AddRefed<DeviceMotionEvent>
     168           0 : NS_NewDOMDeviceMotionEvent(EventTarget* aOwner,
     169             :                            nsPresContext* aPresContext,
     170             :                            WidgetEvent* aEvent)
     171             : {
     172             :   RefPtr<DeviceMotionEvent> it =
     173           0 :     new DeviceMotionEvent(aOwner, aPresContext, aEvent);
     174           0 :   return it.forget();
     175             : }