1 files changed, 130 insertions, 0 deletions
diff --git a/dom/events/DeviceMotionEvent.cpp b/dom/events/DeviceMotionEvent.cpp
new file mode 100644
index 0000000000..73fcc30867
--- /dev/null
+++ b/dom/events/DeviceMotionEvent.cpp
@@ -0,0 +1,130 @@
+/* -*- 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::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()) {
+    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)
+
+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)
+
+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 mozilla::dom
+
+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();
+}