chromium/ui/base/prediction/prediction_metrics_handler.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_BASE_PREDICTION_PREDICTION_METRICS_HANDLER_H_
#define UI_BASE_PREDICTION_PREDICTION_METRICS_HANDLER_H_

#include <deque>
#include <optional>
#include <string>

#include "base/component_export.h"
#include "base/memory/raw_ref.h"
#include "base/metrics/histogram_base.h"
#include "base/time/time.h"
#include "ui/gfx/geometry/point_f.h"

namespace ui {

namespace test {
class PredictionMetricsHandlerTest;
}

// Class used for evaluating input prediction.
// The basic idea is to buffer predicted and real events to be able to compare
// a predicted position to its corresponding interpolated real position with
// few metrics.
class COMPONENT_EXPORT(UI_BASE_PREDICTION) PredictionMetricsHandler { … };

}  // namespace ui

#endif  // UI_BASE_PREDICTION_PREDICTION_METRICS_HANDLER_H_