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106 lines
3.5 KiB
C++
106 lines
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 mozilla_dom_Touch_h_
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#define mozilla_dom_Touch_h_
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#include "mozilla/Attributes.h"
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#include "mozilla/EventForwards.h"
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#include "mozilla/MouseEvents.h"
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#include "mozilla/dom/BindingDeclarations.h"
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#include "mozilla/dom/TouchBinding.h"
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#include "nsWrapperCache.h"
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#include "Units.h"
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class nsPresContext;
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namespace mozilla::dom {
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class EventTarget;
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class Touch final : public nsISupports,
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public nsWrapperCache,
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public WidgetPointerHelper {
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public:
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static bool PrefEnabled(JSContext* aCx, JSObject* aGlobal);
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static already_AddRefed<Touch> Constructor(const GlobalObject& aGlobal,
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const TouchInit& aParam);
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Touch(EventTarget* aTarget, int32_t aIdentifier, int32_t aPageX,
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int32_t aPageY, int32_t aScreenX, int32_t aScreenY, int32_t aClientX,
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int32_t aClientY, int32_t aRadiusX, int32_t aRadiusY,
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float aRotationAngle, float aForce);
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Touch(int32_t aIdentifier, LayoutDeviceIntPoint aPoint,
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LayoutDeviceIntPoint aRadius, float aRotationAngle, float aForce);
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Touch(int32_t aIdentifier, LayoutDeviceIntPoint aPoint,
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LayoutDeviceIntPoint aRadius, float aRotationAngle, float aForce,
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int32_t aTiltX, int32_t aTiltY, int32_t aTwist);
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Touch(const Touch& aOther);
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(Touch)
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void InitializePoints(nsPresContext* aPresContext, WidgetEvent* aEvent);
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// Note, this sets both mOriginalTarget and mTarget.
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void SetTouchTarget(EventTarget* aTarget);
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bool Equals(Touch* aTouch) const;
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// Update this touch's touch area to be the same as aTouch
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void SetSameAs(const Touch* aTouch);
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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nsIGlobalObject* GetParentObject() const;
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// WebIDL
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int32_t Identifier() const { return mIdentifier; }
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EventTarget* GetTarget() const;
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int32_t ScreenX(CallerType aCallerType) const;
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int32_t ScreenY(CallerType aCallerType) const;
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int32_t ClientX() const { return mClientPoint.x; }
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int32_t ClientY() const { return mClientPoint.y; }
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int32_t PageX() const { return mPagePoint.x; }
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int32_t PageY() const { return mPagePoint.y; }
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int32_t RadiusX(CallerType aCallerType) const;
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int32_t RadiusY(CallerType aCallerType) const;
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float RotationAngle(CallerType aCallerType) const;
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float Force(CallerType aCallerType) const;
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EventTarget* GetOriginalTarget() const;
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nsCOMPtr<EventTarget> mOriginalTarget;
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nsCOMPtr<EventTarget> mTarget;
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LayoutDeviceIntPoint mRefPoint;
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bool mChanged;
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// Is this touch instance being suppressed to dispatch touch event to content.
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// We can't remove touch instance from WidgetTouchEvent::mTouches because we
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// still need it when dispatching pointer events.
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bool mIsTouchEventSuppressed;
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uint32_t mMessage;
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int32_t mIdentifier;
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CSSIntPoint mPagePoint;
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CSSIntPoint mClientPoint;
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CSSIntPoint mScreenPoint;
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LayoutDeviceIntPoint mRadius;
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float mRotationAngle;
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float mForce;
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protected:
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~Touch();
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bool mPointsInitialized;
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};
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} // namespace mozilla::dom
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#endif // mozilla_dom_Touch_h_
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