/* -*- Mode: C++; tab-width: 4; 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/. */ #ifndef nsWindowBase_h_ #define nsWindowBase_h_ #include "mozilla/EventForwards.h" #include "nsBaseWidget.h" #include "nsClassHashtable.h" #include <windows.h> #include "touchinjection_sdk80.h" /* * nsWindowBase - Base class of common methods other classes need to access * in both win32 and winrt window classes. */ class nsWindowBase : public nsBaseWidget { public: typedef mozilla::WidgetEventTime WidgetEventTime; /* * Return the HWND or null for this widget. */ virtual HWND GetWindowHandle() final { return static_cast<HWND>(GetNativeData(NS_NATIVE_WINDOW)); } /* * Return the parent window, if it exists. */ virtual nsWindowBase* GetParentWindowBase(bool aIncludeOwner) = 0; /* * Return true if this is a top level widget. */ virtual bool IsTopLevelWidget() = 0; /* * Init a standard gecko event for this widget. * @param aEvent the event to initialize. * @param aPoint message position in physical coordinates. */ virtual void InitEvent(mozilla::WidgetGUIEvent& aEvent, LayoutDeviceIntPoint* aPoint = nullptr) = 0; /* * Returns WidgetEventTime instance which is initialized with current message * time. */ virtual WidgetEventTime CurrentMessageWidgetEventTime() const = 0; /* * Dispatch a gecko event for this widget. * Returns true if it's consumed. Otherwise, false. */ virtual bool DispatchWindowEvent(mozilla::WidgetGUIEvent* aEvent) = 0; /* * Dispatch a gecko keyboard event for this widget. This * is called by KeyboardLayout to dispatch gecko events. * Returns true if it's consumed. Otherwise, false. */ virtual bool DispatchKeyboardEvent(mozilla::WidgetKeyboardEvent* aEvent) = 0; /* * Dispatch a gecko wheel event for this widget. This * is called by ScrollHandler to dispatch gecko events. * Returns true if it's consumed. Otherwise, false. */ virtual bool DispatchWheelEvent(mozilla::WidgetWheelEvent* aEvent) = 0; /* * Dispatch a gecko content command event for this widget. This * is called by ScrollHandler to dispatch gecko events. * Returns true if it's consumed. Otherwise, false. */ virtual bool DispatchContentCommandEvent(mozilla::WidgetContentCommandEvent* aEvent) = 0; /* * Default dispatch of a plugin event. */ virtual bool DispatchPluginEvent(const MSG& aMsg); /* * Returns true if this should dispatch a plugin event. */ bool ShouldDispatchPluginEvent(); /* * Touch input injection apis */ virtual nsresult SynthesizeNativeTouchPoint(uint32_t aPointerId, TouchPointerState aPointerState, LayoutDeviceIntPoint aPoint, double aPointerPressure, uint32_t aPointerOrientation, nsIObserver* aObserver) override; virtual nsresult ClearNativeTouchSequence(nsIObserver* aObserver) override; /* * WM_APPCOMMAND common handler. * Sends events via NativeKey::HandleAppCommandMessage(). */ virtual bool HandleAppCommandMsg(const MSG& aAppCommandMsg, LRESULT *aRetValue); protected: virtual int32_t LogToPhys(double aValue) = 0; void ChangedDPI(); static bool InitTouchInjection(); bool InjectTouchPoint(uint32_t aId, LayoutDeviceIntPoint& aPoint, POINTER_FLAGS aFlags, uint32_t aPressure = 1024, uint32_t aOrientation = 90); class PointerInfo { public: PointerInfo(int32_t aPointerId, LayoutDeviceIntPoint& aPoint) : mPointerId(aPointerId), mPosition(aPoint) { } int32_t mPointerId; LayoutDeviceIntPoint mPosition; }; nsClassHashtable<nsUint32HashKey, PointerInfo> mActivePointers; static bool sTouchInjectInitialized; static InjectTouchInputPtr sInjectTouchFuncPtr; // This is used by SynthesizeNativeTouchPoint to maintain state between // multiple synthesized points, in the case where we can't call InjectTouch // directly. mozilla::UniquePtr<mozilla::MultiTouchInput> mSynthesizedTouchInput; protected: InputContext mInputContext; }; #endif // nsWindowBase_h_