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// 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.
#ifndef COMPONENTS_DOWNLOAD_INTERNAL_BACKGROUND_SERVICE_FILE_MONITOR_IMPL_H_
#define COMPONENTS_DOWNLOAD_INTERNAL_BACKGROUND_SERVICE_FILE_MONITOR_IMPL_H_
#include "components/download/internal/background_service/file_monitor.h"
#include <memory>
#include <set>
#include <vector>
#include "base/files/file_path.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "base/task/sequenced_task_runner.h"
#include "base/time/time.h"
#include "components/download/internal/background_service/driver_entry.h"
#include "components/download/internal/background_service/model.h"
#include "components/download/internal/background_service/stats.h"
namespace download {
// An utility class containing various file cleanup methods.
class FileMonitorImpl : public FileMonitor {
public:
FileMonitorImpl(
const base::FilePath& download_file_dir,
const scoped_refptr<base::SequencedTaskRunner>& file_thread_task_runner);
FileMonitorImpl(const FileMonitorImpl&) = delete;
FileMonitorImpl& operator=(const FileMonitorImpl&) = delete;
~FileMonitorImpl() override;
// FileMonitor implementation.
void Initialize(InitCallback callback) override;
void DeleteUnknownFiles(const Model::EntryList& known_entries,
const std::vector<DriverEntry>& known_driver_entries,
base::OnceClosure completion_callback) override;
void CleanupFilesForCompletedEntries(
const Model::EntryList& entries,
base::OnceClosure completion_callback) override;
void DeleteFiles(const std::set<base::FilePath>& files_to_remove,
stats::FileCleanupReason reason) override;
void HardRecover(InitCallback callback) override;
private:
const base::FilePath download_file_dir_;
const base::TimeDelta file_keep_alive_time_;
scoped_refptr<base::SequencedTaskRunner> file_thread_task_runner_;
base::WeakPtrFactory<FileMonitorImpl> weak_factory_{this};
};
} // namespace download
#endif // COMPONENTS_DOWNLOAD_INTERNAL_BACKGROUND_SERVICE_FILE_MONITOR_IMPL_H_
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