зеркало из https://github.com/mozilla/gecko-dev.git
63 строки
1.6 KiB
C++
63 строки
1.6 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 mozilla_dom_indexeddb_fileinfot_h__
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#define mozilla_dom_indexeddb_fileinfot_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 {
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namespace dom {
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namespace indexedDB {
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template <typename FileManager>
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class FileInfoT final {
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public:
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using AutoLock = typename FileManager::AutoLock;
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using IdType = int64_t;
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FileInfoT(const typename FileManager::FileManagerGuard& 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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IdType Id() const;
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nsCOMPtr<nsIFile> GetFileForFileInfo() const;
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void LockedAddRef();
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bool LockedClearDBRefs(const typename FileManager::FileManagerGuard& 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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const IdType mFileId;
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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 indexedDB
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_indexeddb_fileinfot_h__
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