widget/windows/DirectManipulationOwner.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef DirectManipulationOwner_h__
   7 #define DirectManipulationOwner_h__
   8
   9 #include <windows.h>
  10 #include "Units.h"
  11 #include "nsIWidget.h"  // for TouchpadGesturePhase
  12
  13 class nsWindow;
  14 class IDirectManipulationManager;
  15 class IDirectManipulationUpdateManager;
  16 class IDirectManipulationViewport;
  17
  18 namespace mozilla {
  19 namespace widget {
  20
  21 class DManipEventHandler;
  22
  23 class DirectManipulationOwner {
  24  public:
  25   typedef mozilla::LayoutDeviceIntRect LayoutDeviceIntRect;
  26
  27   explicit DirectManipulationOwner(nsWindow* aWindow);
  28   ~DirectManipulationOwner();
  29   void Init(const LayoutDeviceIntRect& aBounds);
  30   void ResizeViewport(const LayoutDeviceIntRect& aBounds);
  31   void Destroy();
  32
  33   void SetContact(UINT aContactId);
  34
  35   void Update();
  36
  37   static void SynthesizeNativeTouchpadPan(
  38       nsWindow* aWindow, nsIWidget::TouchpadGesturePhase aEventPhase,
  39       LayoutDeviceIntPoint aPoint, double aDeltaX, double aDeltaY,
  40       int32_t aModifierFlags);
  41
  42  private:
  43   nsWindow* mWindow;
  44   DWORD mDmViewportHandlerCookie;
  45   RefPtr<IDirectManipulationManager> mDmManager;
  46   RefPtr<IDirectManipulationUpdateManager> mDmUpdateManager;
  47   RefPtr<IDirectManipulationViewport> mDmViewport;
  48   RefPtr<DManipEventHandler> mDmHandler;
  49 };
  50
  51 }  // namespace widget
  52 }  // namespace mozilla
  53
  54 #endif  // #ifndef DirectManipulationOwner_h__