mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-29 03:44:37 +00:00
64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=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/. */
|
|
|
|
#ifndef mozilla_dom_WheelEvent_h_
|
|
#define mozilla_dom_WheelEvent_h_
|
|
|
|
#include "nsIDOMWheelEvent.h"
|
|
#include "mozilla/dom/MouseEvent.h"
|
|
#include "mozilla/dom/WheelEventBinding.h"
|
|
#include "mozilla/EventForwards.h"
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
class WheelEvent : public MouseEvent,
|
|
public nsIDOMWheelEvent
|
|
{
|
|
public:
|
|
WheelEvent(EventTarget* aOwner,
|
|
nsPresContext* aPresContext,
|
|
WidgetWheelEvent* aWheelEvent);
|
|
|
|
NS_DECL_ISUPPORTS_INHERITED
|
|
|
|
// nsIDOMWheelEvent Interface
|
|
NS_DECL_NSIDOMWHEELEVENT
|
|
|
|
// Forward to base class
|
|
NS_FORWARD_TO_MOUSEEVENT
|
|
|
|
static
|
|
already_AddRefed<WheelEvent> Constructor(const GlobalObject& aGlobal,
|
|
const nsAString& aType,
|
|
const WheelEventInit& aParam,
|
|
ErrorResult& aRv);
|
|
|
|
virtual JSObject* WrapObjectInternal(JSContext* aCx) MOZ_OVERRIDE
|
|
{
|
|
return WheelEventBinding::Wrap(aCx, this);
|
|
}
|
|
|
|
// NOTE: DeltaX(), DeltaY() and DeltaZ() return CSS pixels when deltaMode is
|
|
// DOM_DELTA_PIXEL. (The internal event's delta values are device pixels
|
|
// if it's dispatched by widget)
|
|
double DeltaX();
|
|
double DeltaY();
|
|
double DeltaZ();
|
|
uint32_t DeltaMode();
|
|
|
|
protected:
|
|
~WheelEvent() {}
|
|
|
|
private:
|
|
int32_t mAppUnitsPerDevPixel;
|
|
};
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_dom_WheelEvent_h_
|