mirror of
https://github.com/mozilla/gecko-dev.git
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144 lines
4.8 KiB
C++
144 lines
4.8 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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public:
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typedef mozilla::WidgetEventTime WidgetEventTime;
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/*
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* Return the HWND or null for this widget.
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*/
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HWND GetWindowHandle() {
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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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LayoutDeviceIntPoint* aPoint = nullptr) = 0;
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/*
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* Returns WidgetEventTime instance which is initialized with current message
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* time.
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*/
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virtual WidgetEventTime CurrentMessageWidgetEventTime() const = 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::WidgetKeyboardEvent* aEvent) = 0;
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/*
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* Dispatch a gecko wheel 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 DispatchWheelEvent(mozilla::WidgetWheelEvent* aEvent) = 0;
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/*
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* Dispatch a gecko content command 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 DispatchContentCommandEvent(
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mozilla::WidgetContentCommandEvent* aEvent) = 0;
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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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LayoutDeviceIntPoint aPoint,
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double aPointerPressure,
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uint32_t aPointerOrientation,
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nsIObserver* aObserver) override;
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virtual nsresult ClearNativeTouchSequence(nsIObserver* aObserver) override;
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virtual nsresult SynthesizeNativePenInput(uint32_t aPointerId,
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TouchPointerState aPointerState,
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LayoutDeviceIntPoint aPoint,
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double aPressure,
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uint32_t aRotation, int32_t aTiltX,
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int32_t aTiltY, int32_t aButton,
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nsIObserver* aObserver) override;
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/*
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* WM_APPCOMMAND common handler.
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* Sends events via NativeKey::HandleAppCommandMessage().
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*/
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virtual bool HandleAppCommandMsg(const MSG& aAppCommandMsg,
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LRESULT* aRetValue);
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const InputContext& InputContextRef() const { return mInputContext; }
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protected:
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virtual int32_t LogToPhys(double aValue) = 0;
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void ChangedDPI();
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static bool InitTouchInjection();
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bool InjectTouchPoint(uint32_t aId, LayoutDeviceIntPoint& aPoint,
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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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public:
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enum class PointerType : uint8_t {
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TOUCH,
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PEN,
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};
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PointerInfo(int32_t aPointerId, LayoutDeviceIntPoint& aPoint,
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PointerType aType)
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: mPointerId(aPointerId), mPosition(aPoint), mType(aType) {}
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int32_t mPointerId;
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LayoutDeviceIntPoint mPosition;
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PointerType mType;
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};
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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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// This is used by SynthesizeNativeTouchPoint to maintain state between
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// multiple synthesized points, in the case where we can't call InjectTouch
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// directly.
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mozilla::UniquePtr<mozilla::MultiTouchInput> mSynthesizedTouchInput;
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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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