chromium/third_party/blink/renderer/platform/widget/input/scroll_predictor.cc

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/platform/widget/input/scroll_predictor.h"

#include "base/metrics/field_trial_params.h"
#include "base/metrics/histogram_functions.h"
#include "base/trace_event/trace_event.h"
#include "third_party/blink/public/common/features.h"
#include "third_party/blink/renderer/platform/widget/input/prediction/predictor_factory.h"
#include "ui/base/ui_base_features.h"

namespace blink {

ScrollPredictor::ScrollPredictor()
    : … { … }

ScrollPredictor::~ScrollPredictor() = default;

void ScrollPredictor::ResetOnGestureScrollBegin(const WebGestureEvent& event) { … }

std::unique_ptr<EventWithCallback> ScrollPredictor::ResampleScrollEvents(
    std::unique_ptr<EventWithCallback> event_with_callback,
    base::TimeTicks frame_time,
    base::TimeDelta frame_interval) { … }

std::unique_ptr<EventWithCallback>
ScrollPredictor::GenerateSyntheticScrollUpdate(
    base::TimeTicks frame_time,
    base::TimeDelta frame_interval,
    mojom::blink::GestureDevice gesture_device,
    int modifiers) { … }

bool ScrollPredictor::HasPrediction() const { … }

void ScrollPredictor::Reset() { … }

void ScrollPredictor::UpdatePrediction(const WebInputEvent& event,
                                       base::TimeTicks frame_time) { … }

void ScrollPredictor::ResampleEvent(base::TimeTicks frame_time,
                                    base::TimeDelta frame_interval,
                                    WebInputEvent* event) { … }

}  // namespace blink