chromium/components/download/internal/background_service/file_monitor_impl.cc

// Copyright 2017 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/download/internal/background_service/file_monitor_impl.h"

#include "base/debug/alias.h"
#include "base/files/file_enumerator.h"
#include "base/files/file_util.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/stl_util.h"
#include "base/task/sequenced_task_runner.h"
#include "base/threading/scoped_blocking_call.h"
#include "build/build_config.h"

#if BUILDFLAG(IS_CHROMEOS)
#include <grp.h>
#endif  // BUILDFLAG(IS_CHROMEOS)

namespace download {

namespace {

// Creates the download directory if it doesn't exist.
bool InitializeAndCreateDownloadDirectory(const base::FilePath& dir_path) { … }

void GetFilesInDirectory(const base::FilePath& directory,
                         std::set<base::FilePath>& paths_out) { … }

void DeleteFilesOnFileThread(const std::set<base::FilePath>& paths,
                             stats::FileCleanupReason reason) { … }

void DeleteUnknownFilesOnFileThread(
    const base::FilePath& directory,
    const std::set<base::FilePath>& download_file_paths) { … }

bool HardRecoverOnFileThread(const base::FilePath& directory) { … }

}  // namespace

FileMonitorImpl::FileMonitorImpl(
    const base::FilePath& download_file_dir,
    const scoped_refptr<base::SequencedTaskRunner>& file_thread_task_runner)
    : … { … }

FileMonitorImpl::~FileMonitorImpl() = default;

void FileMonitorImpl::Initialize(InitCallback callback) { … }

void FileMonitorImpl::DeleteUnknownFiles(
    const Model::EntryList& known_entries,
    const std::vector<DriverEntry>& known_driver_entries,
    base::OnceClosure completion_callback) { … }

void FileMonitorImpl::CleanupFilesForCompletedEntries(
    const Model::EntryList& entries,
    base::OnceClosure completion_callback) { … }

void FileMonitorImpl::DeleteFiles(
    const std::set<base::FilePath>& files_to_remove,
    stats::FileCleanupReason reason) { … }

void FileMonitorImpl::HardRecover(InitCallback callback) { … }

}  // namespace download