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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 mozilla_dom_indexeddb_fileinfot_h__
#define mozilla_dom_indexeddb_fileinfot_h__
#include "nsISupportsImpl.h"
#include "nsCOMPtr.h"
#include "SafeRefPtr.h"
namespace mozilla {
namespace dom {
namespace indexedDB {
template <typename FileManager>
class FileInfoT final {
public:
using AutoLock = typename FileManager::AutoLock;
using IdType = int64_t;
FileInfoT(const typename FileManager::FileManagerGuard& 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;
IdType Id() const;
nsCOMPtr<nsIFile> GetFileForFileInfo() const;
void LockedAddRef();
bool LockedClearDBRefs(const typename FileManager::FileManagerGuard& aGuard);
private:
void UpdateReferences(ThreadSafeAutoRefCnt& aRefCount, int32_t aDelta,
bool aSyncDeleteFile = false);
void Cleanup();
const IdType mFileId;
ThreadSafeAutoRefCnt mRefCnt;
ThreadSafeAutoRefCnt mDBRefCnt;
const SafeRefPtr<FileManager> mFileManager;
};
} // namespace indexedDB
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_indexeddb_fileinfot_h__
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