зеркало из https://github.com/mozilla/gecko-dev.git
75 строки
2.4 KiB
C++
75 строки
2.4 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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*
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* Portions Copyright 2013 Microsoft Open Technologies, Inc. */
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#ifndef mozilla_dom_PointerEvent_h_
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#define mozilla_dom_PointerEvent_h_
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#include "mozilla/dom/MouseEvent.h"
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#include "mozilla/dom/PointerEventBinding.h"
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class nsPresContext;
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namespace mozilla {
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namespace dom {
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struct PointerEventInit;
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class PointerEvent : public MouseEvent {
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public:
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PointerEvent(EventTarget* aOwner, nsPresContext* aPresContext,
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WidgetPointerEvent* aEvent);
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(PointerEvent, MouseEvent)
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virtual JSObject* WrapObjectInternal(
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JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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static already_AddRefed<PointerEvent> Constructor(
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const GlobalObject& aGlobal, const nsAString& aType,
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const PointerEventInit& aParam);
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static already_AddRefed<PointerEvent> Constructor(
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EventTarget* aOwner, const nsAString& aType,
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const PointerEventInit& aParam);
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int32_t PointerId(CallerType aCallerType);
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int32_t Width(CallerType aCallerType);
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int32_t Height(CallerType aCallerType);
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float Pressure(CallerType aCallerType);
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float TangentialPressure(CallerType aCallerType);
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int32_t TiltX(CallerType aCallerType);
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int32_t TiltY(CallerType aCallerType);
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int32_t Twist(CallerType aCallerType);
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bool IsPrimary();
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void GetPointerType(nsAString& aPointerType, CallerType aCallerType);
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void GetCoalescedEvents(nsTArray<RefPtr<PointerEvent>>& aPointerEvents);
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protected:
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~PointerEvent() {}
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private:
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// This method returns the boolean to indicate whether spoofing pointer
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// event for fingerprinting resistance.
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bool ShouldResistFingerprinting(CallerType aCallerType);
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nsTArray<RefPtr<PointerEvent>> mCoalescedEvents;
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};
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void ConvertPointerTypeToString(uint16_t aPointerTypeSrc,
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nsAString& aPointerTypeDest);
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} // namespace dom
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} // namespace mozilla
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already_AddRefed<mozilla::dom::PointerEvent> NS_NewDOMPointerEvent(
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mozilla::dom::EventTarget* aOwner, nsPresContext* aPresContext,
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mozilla::WidgetPointerEvent* aEvent);
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#endif // mozilla_dom_PointerEvent_h_
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