diff -r 000000000000 -r 6474c204b198 widget/windows/winrt/APZController.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widget/windows/winrt/APZController.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,73 @@
+/* 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/. */
+
+#pragma once
+
+#include "mozwrlbase.h"
+
+#include "mozilla/layers/GeckoContentController.h"
+#include "mozilla/layers/APZCTreeManager.h"
+#include "mozilla/EventForwards.h"
+#include "FrameMetrics.h"
+#include "Units.h"
+
+class nsIWidgetListener;
+
+namespace mozilla {
+namespace widget {
+namespace winrt {
+
+class APZController :
+  public mozilla::layers::GeckoContentController
+{
+  typedef mozilla::layers::FrameMetrics FrameMetrics;
+  typedef mozilla::layers::ScrollableLayerGuid ScrollableLayerGuid;
+  typedef mozilla::layers::ZoomConstraints ZoomConstraints;
+
+public:
+  APZController() :
+    mWidgetListener(nullptr)
+  {
+  }
+
+  // GeckoContentController interface
+  virtual void RequestContentRepaint(const FrameMetrics& aFrameMetrics);
+  virtual void AcknowledgeScrollUpdate(const FrameMetrics::ViewID& aScrollId, const uint32_t& aScrollGeneration);
+  virtual void HandleDoubleTap(const mozilla::CSSPoint& aPoint,
+                               int32_t aModifiers,
+                               const mozilla::layers::ScrollableLayerGuid& aGuid);
+  virtual void HandleSingleTap(const mozilla::CSSPoint& aPoint,
+                               int32_t aModifiers,
+                               const mozilla::layers::ScrollableLayerGuid& aGuid);
+  virtual void HandleLongTap(const mozilla::CSSPoint& aPoint,
+                             int32_t aModifiers,
+                             const mozilla::layers::ScrollableLayerGuid& aGuid);
+  virtual void HandleLongTapUp(const mozilla::CSSPoint& aPoint,
+                               int32_t aModifiers,
+                               const mozilla::layers::ScrollableLayerGuid& aGuid);
+  virtual void SendAsyncScrollDOMEvent(bool aIsRoot, const mozilla::CSSRect &aContentRect, const mozilla::CSSSize &aScrollableSize);
+  virtual void PostDelayedTask(Task* aTask, int aDelayMs);
+  virtual bool GetRootZoomConstraints(ZoomConstraints* aOutConstraints);
+  virtual void NotifyAPZStateChange(const ScrollableLayerGuid& aGuid,
+                                    APZStateChange aChange,
+                                    int aArg);
+  
+  void SetWidgetListener(nsIWidgetListener* aWidgetListener);
+
+  bool HitTestAPZC(mozilla::ScreenIntPoint& aPoint);
+  void TransformCoordinateToGecko(const mozilla::ScreenIntPoint& aPoint,
+                                  LayoutDeviceIntPoint* aRefPointOut);
+  void ContentReceivedTouch(const ScrollableLayerGuid& aGuid, bool aPreventDefault);
+  nsEventStatus ReceiveInputEvent(mozilla::WidgetInputEvent* aEvent,
+                                  ScrollableLayerGuid* aOutTargetGuid);
+
+public:
+  // todo: make this a member variable as prep for multiple views
+  static nsRefPtr<mozilla::layers::APZCTreeManager> sAPZC;
+
+private:
+  nsIWidgetListener* mWidgetListener;
+};
+
+} } }