chromium/components/metrics/cloned_install_detector.cc

// 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.

#include "components/metrics/cloned_install_detector.h"

#include <stdint.h>

#include <string>

#include "base/callback_list.h"
#include "base/functional/bind.h"
#include "base/location.h"
#include "base/metrics/histogram_macros.h"
#include "base/metrics/metrics_hashes.h"
#include "base/task/single_thread_task_runner.h"
#include "base/task/thread_pool.h"
#include "components/metrics/machine_id_provider.h"
#include "components/metrics/metrics_pref_names.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"

namespace metrics {

namespace {

uint32_t HashRawId(const std::string& value) { … }

// State of the generated machine id in relation to the previously stored value.
// Note: UMA histogram enum - don't re-order or remove entries
enum MachineIdState { … };

// Logs the state of generating a machine id and comparing it to a stored value.
void LogMachineIdState(MachineIdState state) { … }

}  // namespace

ClonedInstallDetector::ClonedInstallDetector() { … }

ClonedInstallDetector::~ClonedInstallDetector() { … }

void ClonedInstallDetector::CheckForClonedInstall(PrefService* local_state) { … }

void ClonedInstallDetector::SaveMachineId(PrefService* local_state,
                                          const std::string& raw_id) { … }

bool ClonedInstallDetector::ShouldResetClientIds(PrefService* local_state) { … }

bool ClonedInstallDetector::ClonedInstallDetectedInCurrentSession() const { … }

base::CallbackListSubscription
ClonedInstallDetector::AddOnClonedInstallDetectedCallback(
    base::OnceClosure callback) { … }

void ClonedInstallDetector::SaveMachineIdForTesting(PrefService* local_state,
                                                    const std::string& raw_id) { … }

// static
void ClonedInstallDetector::RegisterPrefs(PrefRegistrySimple* registry) { … }

ClonedInstallInfo ClonedInstallDetector::ReadClonedInstallInfo(
    PrefService* local_state) { … }

void ClonedInstallDetector::ClearClonedInstallInfo(PrefService* local_state) { … }

void ClonedInstallDetector::RecordClonedInstallInfo(PrefService* local_state) { … }

}  // namespace metrics