michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsWindowBase_h_
michael@0: #define nsWindowBase_h_
michael@0: 
michael@0: #include "mozilla/EventForwards.h"
michael@0: #include "nsBaseWidget.h"
michael@0: #include "nsClassHashtable.h"
michael@0: 
michael@0: #include <windows.h>
michael@0: #include "touchinjection_sdk80.h"
michael@0: 
michael@0: /*
michael@0:  * nsWindowBase - Base class of common methods other classes need to access
michael@0:  * in both win32 and winrt window classes.
michael@0:  */
michael@0: class nsWindowBase : public nsBaseWidget
michael@0: {
michael@0: public:
michael@0:   /*
michael@0:    * Return the HWND or null for this widget.
michael@0:    */
michael@0:   virtual HWND GetWindowHandle() MOZ_FINAL {
michael@0:     return static_cast<HWND>(GetNativeData(NS_NATIVE_WINDOW));
michael@0:   }
michael@0: 
michael@0:   /*
michael@0:    * Return the parent window, if it exists.
michael@0:    */
michael@0:   virtual nsWindowBase* GetParentWindowBase(bool aIncludeOwner) = 0;
michael@0: 
michael@0:   /*
michael@0:    * Return true if this is a top level widget.
michael@0:    */
michael@0:   virtual bool IsTopLevelWidget() = 0;
michael@0: 
michael@0:   /*
michael@0:    * Init a standard gecko event for this widget.
michael@0:    * @param aEvent the event to initialize.
michael@0:    * @param aPoint message position in physical coordinates.
michael@0:    */
michael@0:   virtual void InitEvent(mozilla::WidgetGUIEvent& aEvent,
michael@0:                          nsIntPoint* aPoint = nullptr) = 0;
michael@0: 
michael@0:   /*
michael@0:    * Dispatch a gecko event for this widget.
michael@0:    * Returns true if it's consumed.  Otherwise, false.
michael@0:    */
michael@0:   virtual bool DispatchWindowEvent(mozilla::WidgetGUIEvent* aEvent) = 0;
michael@0: 
michael@0:   /*
michael@0:    * Dispatch a gecko keyboard event for this widget. This
michael@0:    * is called by KeyboardLayout to dispatch gecko events.
michael@0:    * Returns true if it's consumed.  Otherwise, false.
michael@0:    */
michael@0:   virtual bool DispatchKeyboardEvent(mozilla::WidgetGUIEvent* aEvent) = 0;
michael@0: 
michael@0:   /*
michael@0:    * Dispatch a gecko scroll event for this widget. This
michael@0:    * is called by ScrollHandler to dispatch gecko events.
michael@0:    * Returns true if it's consumed.  Otherwise, false.
michael@0:    */
michael@0:   virtual bool DispatchScrollEvent(mozilla::WidgetGUIEvent* aEvent) = 0;
michael@0: 
michael@0:   /*
michael@0:    * Default dispatch of a plugin event.
michael@0:    */
michael@0:   virtual bool DispatchPluginEvent(const MSG& aMsg);
michael@0: 
michael@0:   /*
michael@0:    * Returns true if a plugin has focus on this widget.  Otherwise, false.
michael@0:    */
michael@0:   virtual bool PluginHasFocus() const MOZ_FINAL
michael@0:   {
michael@0:     return (mInputContext.mIMEState.mEnabled == IMEState::PLUGIN);
michael@0:   }
michael@0: 
michael@0:   /*
michael@0:    * Touch input injection apis
michael@0:    */
michael@0:   virtual nsresult SynthesizeNativeTouchPoint(uint32_t aPointerId,
michael@0:                                               TouchPointerState aPointerState,
michael@0:                                               nsIntPoint aPointerScreenPoint,
michael@0:                                               double aPointerPressure,
michael@0:                                               uint32_t aPointerOrientation);
michael@0:   virtual nsresult ClearNativeTouchSequence();
michael@0: 
michael@0:   /*
michael@0:    * WM_APPCOMMAND common handler. Sends events via DispatchWindowEvent.
michael@0:    */
michael@0:   virtual bool HandleAppCommandMsg(WPARAM aWParam,
michael@0:                                    LPARAM aLParam,
michael@0:                                    LRESULT *aRetValue);
michael@0: 
michael@0: protected:
michael@0:   bool DispatchCommandEvent(uint32_t aEventCommand);
michael@0:   static bool InitTouchInjection();
michael@0:   bool InjectTouchPoint(uint32_t aId, nsIntPoint& aPointerScreenPoint,
michael@0:                         POINTER_FLAGS aFlags, uint32_t aPressure = 1024,
michael@0:                         uint32_t aOrientation = 90);
michael@0: 
michael@0:   class PointerInfo
michael@0:   {
michael@0:   public:
michael@0:     PointerInfo(int32_t aPointerId, nsIntPoint& aPoint) :
michael@0:       mPointerId(aPointerId),
michael@0:       mPosition(aPoint)
michael@0:     {
michael@0:     }
michael@0: 
michael@0:     int32_t mPointerId;
michael@0:     nsIntPoint mPosition;
michael@0:   };
michael@0: 
michael@0:   static PLDHashOperator CancelTouchPoints(const unsigned int& aPointerId, nsAutoPtr<PointerInfo>& aInfo, void* aUserArg);
michael@0: 
michael@0:   nsClassHashtable<nsUint32HashKey, PointerInfo> mActivePointers;
michael@0:   static bool sTouchInjectInitialized;
michael@0:   static InjectTouchInputPtr sInjectTouchFuncPtr;
michael@0: 
michael@0: protected:
michael@0:   InputContext mInputContext;
michael@0: };
michael@0: 
michael@0: #endif // nsWindowBase_h_