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