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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 http://mozilla.org/MPL/2.0/. */
#ifndef DOM_INDEXEDDB_FILEINFO_H_
#define DOM_INDEXEDDB_FILEINFO_H_
#include "SafeRefPtr.h"
#include "nsCOMPtr.h"
#include "nsISupportsImpl.h"
namespace mozilla::dom::indexedDB {
class FileInfoBase {
public:
using IdType = int64_t;
IdType Id() const { return mFileId; }
protected:
explicit FileInfoBase(const int64_t aFileId) : mFileId(aFileId) {
MOZ_ASSERT(mFileId > 0);
}
private:
const IdType mFileId;
};
template <typename FileManager>
class FileInfo final : public FileInfoBase {
public:
using AutoLockType = typename FileManager::AutoLockType;
FileInfo(const typename FileManager::FileInfoManagerGuard& aGuard,
SafeRefPtr<FileManager> aFileManager, const int64_t aFileId,
const nsrefcnt aInitialDBRefCnt = 0);
void AddRef();
void Release(const bool aSyncDeleteFile = false);
void UpdateDBRefs(int32_t aDelta);
void GetReferences(int32_t* aRefCnt, int32_t* aDBRefCnt);
FileManager& Manager() const;
nsCOMPtr<nsIFile> GetFileForFileInfo() const;
void LockedAddRef();
bool LockedClearDBRefs(
const typename FileManager::FileInfoManagerGuard& aGuard);
private:
void UpdateReferences(ThreadSafeAutoRefCnt& aRefCount, int32_t aDelta,
bool aSyncDeleteFile = false);
void Cleanup();
ThreadSafeAutoRefCnt mRefCnt;
ThreadSafeAutoRefCnt mDBRefCnt;
const SafeRefPtr<FileManager> mFileManager;
};
} // namespace mozilla::dom::indexedDB
#endif // DOM_INDEXEDDB_FILEINFO_H_
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