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