/* -*- 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_fileinfo_h__ #define mozilla_dom_indexeddb_fileinfo_h__ #include "nsISupportsImpl.h" namespace mozilla { namespace dom { namespace indexedDB { class FileManager; class FileInfo { friend class FileManager; ThreadSafeAutoRefCnt mRefCnt; ThreadSafeAutoRefCnt mDBRefCnt; ThreadSafeAutoRefCnt mSliceRefCnt; RefPtr<FileManager> mFileManager; public: class CustomCleanupCallback; static FileInfo* Create(FileManager* aFileManager, int64_t aId); explicit FileInfo(FileManager* aFileManager); void AddRef() { UpdateReferences(mRefCnt, 1); } void Release(CustomCleanupCallback* aCustomCleanupCallback = nullptr) { UpdateReferences(mRefCnt, -1, aCustomCleanupCallback); } void UpdateDBRefs(int32_t aDelta) { UpdateReferences(mDBRefCnt, aDelta); } void UpdateSliceRefs(int32_t aDelta) { UpdateReferences(mSliceRefCnt, aDelta); } void GetReferences(int32_t* aRefCnt, int32_t* aDBRefCnt, int32_t* aSliceRefCnt); FileManager* Manager() const { return mFileManager; } virtual int64_t Id() const = 0; protected: virtual ~FileInfo(); private: void UpdateReferences(ThreadSafeAutoRefCnt& aRefCount, int32_t aDelta, CustomCleanupCallback* aCustomCleanupCallback = nullptr); bool LockedClearDBRefs(); void Cleanup(); }; class NS_NO_VTABLE FileInfo::CustomCleanupCallback { public: virtual nsresult Cleanup(FileManager* aFileManager, int64_t aId) = 0; protected: CustomCleanupCallback() { } }; } // namespace indexedDB } // namespace dom } // namespace mozilla #endif // mozilla_dom_indexeddb_fileinfo_h__