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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at */
#ifndef mozilla_dom_indexeddb_filemanager_h__
#define mozilla_dom_indexeddb_filemanager_h__
#include "mozilla/dom/quota/PersistenceType.h"
#include "mozilla/dom/quota/UsageInfo.h"
#include "mozilla/InitializedOnce.h"
#include "FileManagerBase.h"
class nsIFile;
class mozIStorageConnection;
namespace mozilla {
namespace dom {
namespace indexedDB {
// Implemented in ActorsParent.cpp.
class FileManager final : public FileManagerBase<FileManager>,
public AtomicSafeRefCounted<FileManager> {
using PersistenceType = mozilla::dom::quota::PersistenceType;
using FileManagerBase<FileManager>::MutexType;
const PersistenceType mPersistenceType;
const nsCString mGroup;
const nsCString mOrigin;
const nsString mDatabaseName;
LazyInitializedOnce<const nsString> mDirectoryPath;
LazyInitializedOnce<const nsString> mJournalDirectoryPath;
const bool mEnforcingQuota;
// Lock protecting FileManager.mFileInfos.
// It's s also used to atomically update FileInfo.mRefCnt and
// FileInfo.mDBRefCnt
static MutexType sMutex;
[[nodiscard]] static nsCOMPtr<nsIFile> GetFileForId(nsIFile* aDirectory,
int64_t aId);
[[nodiscard]] static nsCOMPtr<nsIFile> GetCheckedFileForId(
nsIFile* aDirectory, int64_t aId);
static nsresult InitDirectory(nsIFile& aDirectory, nsIFile& aDatabaseFile,
const nsACString& aOrigin,
uint32_t aTelemetryId);
static Result<quota::FileUsageType, nsresult> GetUsage(nsIFile* aDirectory);
FileManager(PersistenceType aPersistenceType, const nsACString& aGroup,
const nsACString& aOrigin, const nsAString& aDatabaseName,
bool aEnforcingQuota);
PersistenceType Type() const { return mPersistenceType; }
const nsACString& Group() const { return mGroup; }
const nsACString& Origin() const { return mOrigin; }
const nsAString& DatabaseName() const { return mDatabaseName; }
bool EnforcingQuota() const { return mEnforcingQuota; }
nsresult Init(nsIFile* aDirectory, mozIStorageConnection& aConnection);
[[nodiscard]] nsCOMPtr<nsIFile> GetDirectory();
[[nodiscard]] nsCOMPtr<nsIFile> GetCheckedDirectory();
[[nodiscard]] nsCOMPtr<nsIFile> GetJournalDirectory();
[[nodiscard]] nsCOMPtr<nsIFile> EnsureJournalDirectory();
[[nodiscard]] nsresult SyncDeleteFile(int64_t aId);
// XXX When getting rid of FileHelper, this method should be removed/made
// private.
[[nodiscard]] nsresult SyncDeleteFile(nsIFile& aFile, nsIFile& aJournalFile);
[[nodiscard]] nsresult AsyncDeleteFile(int64_t aFileId);
static StaticMutex& Mutex() { return sMutex; }
~FileManager() = default;
} // namespace indexedDB
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_indexeddb_filemanager_h__