1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/events/WheelEvent.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,60 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim: set ts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.8 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef mozilla_dom_WheelEvent_h_
1.11 +#define mozilla_dom_WheelEvent_h_
1.12 +
1.13 +#include "nsIDOMWheelEvent.h"
1.14 +#include "mozilla/dom/MouseEvent.h"
1.15 +#include "mozilla/dom/WheelEventBinding.h"
1.16 +#include "mozilla/EventForwards.h"
1.17 +
1.18 +namespace mozilla {
1.19 +namespace dom {
1.20 +
1.21 +class WheelEvent : public MouseEvent,
1.22 + public nsIDOMWheelEvent
1.23 +{
1.24 +public:
1.25 + WheelEvent(EventTarget* aOwner,
1.26 + nsPresContext* aPresContext,
1.27 + WidgetWheelEvent* aWheelEvent);
1.28 +
1.29 + NS_DECL_ISUPPORTS_INHERITED
1.30 +
1.31 + // nsIDOMWheelEvent Interface
1.32 + NS_DECL_NSIDOMWHEELEVENT
1.33 +
1.34 + // Forward to base class
1.35 + NS_FORWARD_TO_MOUSEEVENT
1.36 +
1.37 + static
1.38 + already_AddRefed<WheelEvent> Constructor(const GlobalObject& aGlobal,
1.39 + const nsAString& aType,
1.40 + const WheelEventInit& aParam,
1.41 + ErrorResult& aRv);
1.42 +
1.43 + virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE
1.44 + {
1.45 + return WheelEventBinding::Wrap(aCx, this);
1.46 + }
1.47 +
1.48 + // NOTE: DeltaX(), DeltaY() and DeltaZ() return CSS pixels when deltaMode is
1.49 + // DOM_DELTA_PIXEL. (The internal event's delta values are device pixels
1.50 + // if it's dispatched by widget)
1.51 + double DeltaX();
1.52 + double DeltaY();
1.53 + double DeltaZ();
1.54 + uint32_t DeltaMode();
1.55 +
1.56 +private:
1.57 + int32_t mAppUnitsPerDevPixel;
1.58 +};
1.59 +
1.60 +} // namespace dom
1.61 +} // namespace mozilla
1.62 +
1.63 +#endif // mozilla_dom_WheelEvent_h_
