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d8e2b075a8
Depends on D145748 Differential Revision: https://phabricator.services.mozilla.com/D145749
69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef DOM_INDEXEDDB_FILEINFO_H_
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#define DOM_INDEXEDDB_FILEINFO_H_
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#include "nsISupportsImpl.h"
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#include "nsCOMPtr.h"
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#include "SafeRefPtr.h"
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namespace mozilla::dom::indexedDB {
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class FileInfoBase {
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public:
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using IdType = int64_t;
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IdType Id() const { return mFileId; }
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protected:
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explicit FileInfoBase(const int64_t aFileId) : mFileId(aFileId) {
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MOZ_ASSERT(mFileId > 0);
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}
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private:
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const IdType mFileId;
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};
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template <typename FileManager>
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class FileInfo final : public FileInfoBase {
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public:
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using AutoLockType = typename FileManager::AutoLockType;
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FileInfo(const typename FileManager::FileInfoManagerGuard& aGuard,
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SafeRefPtr<FileManager> aFileManager, const int64_t aFileId,
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const nsrefcnt aInitialDBRefCnt = 0);
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void AddRef();
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void Release(const bool aSyncDeleteFile = false);
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void UpdateDBRefs(int32_t aDelta);
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void GetReferences(int32_t* aRefCnt, int32_t* aDBRefCnt);
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FileManager& Manager() const;
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nsCOMPtr<nsIFile> GetFileForFileInfo() const;
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void LockedAddRef();
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bool LockedClearDBRefs(
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const typename FileManager::FileInfoManagerGuard& aGuard);
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private:
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void UpdateReferences(ThreadSafeAutoRefCnt& aRefCount, int32_t aDelta,
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bool aSyncDeleteFile = false);
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void Cleanup();
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ThreadSafeAutoRefCnt mRefCnt;
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ThreadSafeAutoRefCnt mDBRefCnt;
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const SafeRefPtr<FileManager> mFileManager;
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};
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} // namespace mozilla::dom::indexedDB
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#endif // DOM_INDEXEDDB_FILEINFO_H_
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