diff options
Diffstat (limited to 'dom/events/PointerEvent.h')
-rw-r--r-- | dom/events/PointerEvent.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/dom/events/PointerEvent.h b/dom/events/PointerEvent.h new file mode 100644 index 0000000000..5bd9f86fa6 --- /dev/null +++ b/dom/events/PointerEvent.h @@ -0,0 +1,74 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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/. + * + * Portions Copyright 2013 Microsoft Open Technologies, Inc. */ + +#ifndef mozilla_dom_PointerEvent_h_ +#define mozilla_dom_PointerEvent_h_ + +#include "mozilla/dom/MouseEvent.h" +#include "mozilla/dom/PointerEventBinding.h" + +class nsPresContext; + +namespace mozilla { +namespace dom { + +struct PointerEventInit; + +class PointerEvent : public MouseEvent { + public: + PointerEvent(EventTarget* aOwner, nsPresContext* aPresContext, + WidgetPointerEvent* aEvent); + + NS_DECL_ISUPPORTS_INHERITED + NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(PointerEvent, MouseEvent) + + virtual JSObject* WrapObjectInternal( + JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override; + + static already_AddRefed<PointerEvent> Constructor( + const GlobalObject& aGlobal, const nsAString& aType, + const PointerEventInit& aParam); + + static already_AddRefed<PointerEvent> Constructor( + EventTarget* aOwner, const nsAString& aType, + const PointerEventInit& aParam); + + int32_t PointerId(CallerType aCallerType); + int32_t Width(CallerType aCallerType); + int32_t Height(CallerType aCallerType); + float Pressure(CallerType aCallerType); + float TangentialPressure(CallerType aCallerType); + int32_t TiltX(CallerType aCallerType); + int32_t TiltY(CallerType aCallerType); + int32_t Twist(CallerType aCallerType); + bool IsPrimary(); + void GetPointerType(nsAString& aPointerType, CallerType aCallerType); + void GetCoalescedEvents(nsTArray<RefPtr<PointerEvent>>& aPointerEvents); + + protected: + ~PointerEvent() = default; + + private: + // This method returns the boolean to indicate whether spoofing pointer + // event for fingerprinting resistance. + bool ShouldResistFingerprinting(CallerType aCallerType); + + nsTArray<RefPtr<PointerEvent>> mCoalescedEvents; +}; + +void ConvertPointerTypeToString(uint16_t aPointerTypeSrc, + nsAString& aPointerTypeDest); + +} // namespace dom +} // namespace mozilla + +already_AddRefed<mozilla::dom::PointerEvent> NS_NewDOMPointerEvent( + mozilla::dom::EventTarget* aOwner, nsPresContext* aPresContext, + mozilla::WidgetPointerEvent* aEvent); + +#endif // mozilla_dom_PointerEvent_h_ |