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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et 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_layers_WheelScrollAnimation_h_
#define mozilla_layers_WheelScrollAnimation_h_
#include "AsyncPanZoomAnimation.h"
#include "AsyncScrollBase.h"
#include "InputData.h"
namespace mozilla {
namespace layers {
class AsyncPanZoomController;
class WheelScrollAnimation
: public AsyncPanZoomAnimation,
public AsyncScrollBase
{
public:
WheelScrollAnimation(AsyncPanZoomController& aApzc,
const nsPoint& aInitialPosition,
ScrollWheelInput::ScrollDeltaType aDeltaType);
bool DoSample(FrameMetrics& aFrameMetrics, const TimeDuration& aDelta) override;
void Update(TimeStamp aTime, nsPoint aDelta, const nsSize& aCurrentVelocity);
WheelScrollAnimation* AsWheelScrollAnimation() override {
return this;
}
CSSPoint GetDestination() const {
return CSSPoint::FromAppUnits(mFinalDestination);
}
private:
void InitPreferences(TimeStamp aTime);
private:
AsyncPanZoomController& mApzc;
nsPoint mFinalDestination;
ScrollWheelInput::ScrollDeltaType mDeltaType;
};
} // namespace layers
} // namespace mozilla
#endif // mozilla_layers_WheelScrollAnimation_h_
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