diff -r 000000000000 -r 6474c204b198 dom/events/PointerEvent.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/events/PointerEvent.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,170 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/.
+ *
+ * Portions Copyright 2013 Microsoft Open Technologies, Inc. */
+
+#include "mozilla/dom/PointerEvent.h"
+#include "mozilla/MouseEvents.h"
+#include "prtime.h"
+
+namespace mozilla {
+namespace dom {
+
+PointerEvent::PointerEvent(EventTarget* aOwner,
+                           nsPresContext* aPresContext,
+                           WidgetPointerEvent* aEvent)
+  : MouseEvent(aOwner, aPresContext,
+               aEvent ? aEvent : new WidgetPointerEvent(false, 0, nullptr))
+{
+  NS_ASSERTION(mEvent->eventStructType == NS_POINTER_EVENT,
+               "event type mismatch NS_POINTER_EVENT");
+
+  WidgetMouseEvent* mouseEvent = mEvent->AsMouseEvent();
+  if (aEvent) {
+    mEventIsInternal = false;
+  } else {
+    mEventIsInternal = true;
+    mEvent->time = PR_Now();
+    mEvent->refPoint.x = mEvent->refPoint.y = 0;
+    mouseEvent->inputSource = nsIDOMMouseEvent::MOZ_SOURCE_UNKNOWN;
+  }
+}
+
+static uint16_t
+ConvertStringToPointerType(const nsAString& aPointerTypeArg)
+{
+  if (aPointerTypeArg.EqualsLiteral("mouse")) {
+    return nsIDOMMouseEvent::MOZ_SOURCE_MOUSE;
+  }
+  if (aPointerTypeArg.EqualsLiteral("pen")) {
+    return nsIDOMMouseEvent::MOZ_SOURCE_PEN;
+  }
+  if (aPointerTypeArg.EqualsLiteral("touch")) {
+    return nsIDOMMouseEvent::MOZ_SOURCE_TOUCH;
+  }
+
+  return nsIDOMMouseEvent::MOZ_SOURCE_UNKNOWN;
+}
+
+// static
+already_AddRefed<PointerEvent>
+PointerEvent::Constructor(EventTarget* aOwner,
+                          const nsAString& aType,
+                          const PointerEventInit& aParam)
+{
+  nsRefPtr<PointerEvent> e = new PointerEvent(aOwner, nullptr, nullptr);
+  bool trusted = e->Init(aOwner);
+
+  e->InitMouseEvent(aType, aParam.mBubbles, aParam.mCancelable,
+                    aParam.mView, aParam.mDetail, aParam.mScreenX,
+                    aParam.mScreenY, aParam.mClientX, aParam.mClientY,
+                    aParam.mCtrlKey, aParam.mAltKey, aParam.mShiftKey,
+                    aParam.mMetaKey, aParam.mButton,
+                    aParam.mRelatedTarget);
+
+  WidgetPointerEvent* widgetEvent = e->mEvent->AsPointerEvent();
+  widgetEvent->pointerId = aParam.mPointerId;
+  widgetEvent->width = aParam.mWidth;
+  widgetEvent->height = aParam.mHeight;
+  widgetEvent->pressure = aParam.mPressure;
+  widgetEvent->tiltX = aParam.mTiltX;
+  widgetEvent->tiltY = aParam.mTiltY;
+  widgetEvent->inputSource = ConvertStringToPointerType(aParam.mPointerType);
+  widgetEvent->isPrimary = aParam.mIsPrimary;
+  widgetEvent->buttons = aParam.mButtons;
+
+  e->SetTrusted(trusted);
+  return e.forget();
+}
+
+// static
+already_AddRefed<PointerEvent>
+PointerEvent::Constructor(const GlobalObject& aGlobal,
+                          const nsAString& aType,
+                          const PointerEventInit& aParam,
+                          ErrorResult& aRv)
+{
+  nsCOMPtr<EventTarget> owner = do_QueryInterface(aGlobal.GetAsSupports());
+  return Constructor(owner, aType, aParam);
+}
+
+void
+PointerEvent::GetPointerType(nsAString& aPointerType)
+{
+  switch (mEvent->AsPointerEvent()->inputSource) {
+    case nsIDOMMouseEvent::MOZ_SOURCE_MOUSE:
+      aPointerType.AssignLiteral("mouse");
+      break;
+    case nsIDOMMouseEvent::MOZ_SOURCE_PEN:
+      aPointerType.AssignLiteral("pen");
+      break;
+    case nsIDOMMouseEvent::MOZ_SOURCE_TOUCH:
+      aPointerType.AssignLiteral("touch");
+      break;
+    case nsIDOMMouseEvent::MOZ_SOURCE_UNKNOWN:
+      aPointerType.AssignLiteral("");
+      break;
+  }
+}
+
+int32_t
+PointerEvent::PointerId()
+{
+  return mEvent->AsPointerEvent()->pointerId;
+}
+
+int32_t
+PointerEvent::Width()
+{
+  return mEvent->AsPointerEvent()->width;
+}
+
+int32_t
+PointerEvent::Height()
+{
+  return mEvent->AsPointerEvent()->height;
+}
+
+float
+PointerEvent::Pressure()
+{
+  return mEvent->AsPointerEvent()->pressure;
+}
+
+int32_t
+PointerEvent::TiltX()
+{
+  return mEvent->AsPointerEvent()->tiltX;
+}
+
+int32_t
+PointerEvent::TiltY()
+{
+  return mEvent->AsPointerEvent()->tiltY;
+}
+
+bool
+PointerEvent::IsPrimary()
+{
+  return mEvent->AsPointerEvent()->isPrimary;
+}
+
+} // namespace dom
+} // namespace mozilla
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+nsresult
+NS_NewDOMPointerEvent(nsIDOMEvent** aInstancePtrResult,
+                      EventTarget* aOwner,
+                      nsPresContext* aPresContext,
+                      WidgetPointerEvent *aEvent)
+{
+  PointerEvent *it = new PointerEvent(aOwner, aPresContext, aEvent);
+  NS_ADDREF(it);
+  *aInstancePtrResult = static_cast<Event*>(it);
+  return NS_OK;
+}