chromium/ui/events/velocity_tracker/velocity_tracker.h

// Copyright 2014 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_VELOCITY_TRACKER_VELOCITY_TRACKER_H_
#define UI_EVENTS_VELOCITY_TRACKER_VELOCITY_TRACKER_H_

#include <stdint.h>

#include <memory>

#include "base/component_export.h"
#include "base/time/time.h"
#include "ui/events/velocity_tracker/bitset_32.h"

namespace ui {

class MotionEvent;
class VelocityTrackerStrategy;

namespace {
struct Estimator;
struct Position;
}  // namespace

// Port of VelocityTracker from Android
// * platform/frameworks/native/include/input/VelocityTracker.h
// * Change-Id: I4983db61b53e28479fc90d9211fafff68f7f49a6
// * Please update the Change-Id as upstream Android changes are pulled.
class COMPONENT_EXPORT(VELOCITY_TRACKER) VelocityTracker { … };

}  // namespace ui

#endif  // UI_EVENTS_VELOCITY_TRACKER_VELOCITY_TRACKER_H_