chromium/ui/events/gestures/physics_based_fling_curve.h

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_EVENTS_GESTURES_PHYSICS_BASED_FLING_CURVE_H_
#define UI_EVENTS_GESTURES_PHYSICS_BASED_FLING_CURVE_H_

#include "base/time/time.h"
#include "ui/events/events_base_export.h"
#include "ui/events/gesture_curve.h"
#include "ui/gfx/geometry/cubic_bezier.h"
#include "ui/gfx/geometry/point_f.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/geometry/vector2d_f.h"

namespace ui {

// PhysicsBasedFlingCurve generates animation curve, similar to
// DirectManipulation's fling curve that can be used to scroll a UI element
// suitable for touch screen-based flings.
class EVENTS_BASE_EXPORT PhysicsBasedFlingCurve : public GestureCurve { … };

}  // namespace ui

#endif  // UI_EVENTS_GESTURES_PHYSICS_BASED_FLING_CURVE_H_