chromium/third_party/blink/renderer/modules/compute_pressure/change_rate_monitor.cc

// Copyright 2023 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/modules/compute_pressure/change_rate_monitor.h"

#include "base/rand_util.h"
#include "third_party/blink/renderer/modules/compute_pressure/pressure_source_index.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"

namespace blink {

// |observation_window_time| boundaries in seconds.
constexpr uint64_t kMinObservationWindowInSeconds = …;
constexpr uint64_t kMaxObservationWindowInSeconds = …;

// |change_count_threshold| boundaries in changes.
constexpr uint64_t kMinChangesThreshold = …;
constexpr uint64_t kMaxChangesThreshold = …;

// |penalty_duration| boundaries in seconds.
constexpr uint64_t kMinPenaltyDurationInSeconds = …;
constexpr uint64_t kMaxPenaltyDurationInSeconds = …;

ChangeRateMonitor::ChangeRateMonitor() { … }

ChangeRateMonitor::~ChangeRateMonitor() = default;

void ChangeRateMonitor::Reset() { … }

void ChangeRateMonitor::ResetIfNeeded() { … }

void ChangeRateMonitor::ResetChangeCount(V8PressureSource::Enum source) { … }

void ChangeRateMonitor::IncreaseChangeCount(V8PressureSource::Enum source) { … }

bool ChangeRateMonitor::ChangeCountExceedsLimit(
    V8PressureSource::Enum source) const { … }

}  // namespace blink