diff -r 000000000000 -r 6474c204b198 dom/events/SimpleGestureEvent.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/events/SimpleGestureEvent.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,161 @@
+/* -*- 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/. */
+
+#include "mozilla/dom/SimpleGestureEvent.h"
+#include "mozilla/TouchEvents.h"
+#include "prtime.h"
+
+namespace mozilla {
+namespace dom {
+
+SimpleGestureEvent::SimpleGestureEvent(EventTarget* aOwner,
+                                       nsPresContext* aPresContext,
+                                       WidgetSimpleGestureEvent* aEvent)
+  : MouseEvent(aOwner, aPresContext,
+               aEvent ? aEvent :
+                        new WidgetSimpleGestureEvent(false, 0, nullptr))
+{
+  NS_ASSERTION(mEvent->eventStructType == NS_SIMPLE_GESTURE_EVENT, "event type mismatch");
+
+  if (aEvent) {
+    mEventIsInternal = false;
+  } else {
+    mEventIsInternal = true;
+    mEvent->time = PR_Now();
+    mEvent->refPoint.x = mEvent->refPoint.y = 0;
+    static_cast<WidgetMouseEventBase*>(mEvent)->inputSource =
+      nsIDOMMouseEvent::MOZ_SOURCE_UNKNOWN;
+  }
+}
+
+NS_IMPL_ADDREF_INHERITED(SimpleGestureEvent, MouseEvent)
+NS_IMPL_RELEASE_INHERITED(SimpleGestureEvent, MouseEvent)
+
+NS_INTERFACE_MAP_BEGIN(SimpleGestureEvent)
+  NS_INTERFACE_MAP_ENTRY(nsIDOMSimpleGestureEvent)
+NS_INTERFACE_MAP_END_INHERITING(MouseEvent)
+
+/* attribute unsigned long allowedDirections; */
+uint32_t
+SimpleGestureEvent::AllowedDirections()
+{
+  return mEvent->AsSimpleGestureEvent()->allowedDirections;
+}
+
+NS_IMETHODIMP
+SimpleGestureEvent::GetAllowedDirections(uint32_t* aAllowedDirections)
+{
+  NS_ENSURE_ARG_POINTER(aAllowedDirections);
+  *aAllowedDirections = AllowedDirections();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+SimpleGestureEvent::SetAllowedDirections(uint32_t aAllowedDirections)
+{
+  mEvent->AsSimpleGestureEvent()->allowedDirections = aAllowedDirections;
+  return NS_OK;
+}
+
+/* readonly attribute unsigned long direction; */
+uint32_t
+SimpleGestureEvent::Direction()
+{
+  return mEvent->AsSimpleGestureEvent()->direction;
+}
+
+NS_IMETHODIMP
+SimpleGestureEvent::GetDirection(uint32_t* aDirection)
+{
+  NS_ENSURE_ARG_POINTER(aDirection);
+  *aDirection = Direction();
+  return NS_OK;
+}
+
+/* readonly attribute float delta; */
+double
+SimpleGestureEvent::Delta()
+{
+  return mEvent->AsSimpleGestureEvent()->delta;
+}
+
+NS_IMETHODIMP
+SimpleGestureEvent::GetDelta(double* aDelta)
+{
+  NS_ENSURE_ARG_POINTER(aDelta);
+  *aDelta = Delta();
+  return NS_OK;
+}
+
+/* readonly attribute unsigned long clickCount; */
+uint32_t
+SimpleGestureEvent::ClickCount()
+{
+  return mEvent->AsSimpleGestureEvent()->clickCount;
+}
+
+NS_IMETHODIMP
+SimpleGestureEvent::GetClickCount(uint32_t* aClickCount)
+{
+  NS_ENSURE_ARG_POINTER(aClickCount);
+  *aClickCount = ClickCount();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+SimpleGestureEvent::InitSimpleGestureEvent(const nsAString& aTypeArg,
+                                           bool aCanBubbleArg,
+                                           bool aCancelableArg,
+                                           nsIDOMWindow* aViewArg,
+                                           int32_t aDetailArg,
+                                           int32_t aScreenX, 
+                                           int32_t aScreenY,
+                                           int32_t aClientX,
+                                           int32_t aClientY,
+                                           bool aCtrlKeyArg,
+                                           bool aAltKeyArg,
+                                           bool aShiftKeyArg,
+                                           bool aMetaKeyArg,
+                                           uint16_t aButton,
+                                           nsIDOMEventTarget* aRelatedTarget,
+                                           uint32_t aAllowedDirectionsArg,
+                                           uint32_t aDirectionArg,
+                                           double aDeltaArg,
+                                           uint32_t aClickCountArg)
+{
+  nsresult rv =
+    MouseEvent::InitMouseEvent(aTypeArg, aCanBubbleArg, aCancelableArg,
+                               aViewArg, aDetailArg,
+                               aScreenX, aScreenY, aClientX, aClientY,
+                               aCtrlKeyArg, aAltKeyArg, aShiftKeyArg,
+                               aMetaKeyArg, aButton, aRelatedTarget);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  WidgetSimpleGestureEvent* simpleGestureEvent = mEvent->AsSimpleGestureEvent();
+  simpleGestureEvent->allowedDirections = aAllowedDirectionsArg;
+  simpleGestureEvent->direction = aDirectionArg;
+  simpleGestureEvent->delta = aDeltaArg;
+  simpleGestureEvent->clickCount = aClickCountArg;
+
+  return NS_OK;
+}
+
+} // namespace dom
+} // namespace mozilla
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+nsresult
+NS_NewDOMSimpleGestureEvent(nsIDOMEvent** aInstancePtrResult,
+                            EventTarget* aOwner,
+                            nsPresContext* aPresContext,
+                            WidgetSimpleGestureEvent* aEvent)
+{
+  SimpleGestureEvent* it = new SimpleGestureEvent(aOwner, aPresContext, aEvent);
+  NS_ADDREF(it);
+  *aInstancePtrResult = static_cast<Event*>(it);
+  return NS_OK;
+}