зеркало из https://github.com/mozilla/gecko-dev.git
125 строки
3.0 KiB
C++
125 строки
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=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_filemanager_h__
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#define mozilla_dom_indexeddb_filemanager_h__
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#include "IndexedDatabase.h"
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#include "nsIDOMFile.h"
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#include "nsIFile.h"
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#include "mozilla/dom/quota/PersistenceType.h"
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#include "mozilla/dom/quota/StoragePrivilege.h"
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#include "nsDataHashtable.h"
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class mozIStorageConnection;
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BEGIN_INDEXEDDB_NAMESPACE
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class FileInfo;
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class FileManager MOZ_FINAL
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{
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friend class FileInfo;
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typedef mozilla::dom::quota::PersistenceType PersistenceType;
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typedef mozilla::dom::quota::StoragePrivilege StoragePrivilege;
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public:
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FileManager(PersistenceType aPersistenceType, const nsACString& aGroup,
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const nsACString& aOrigin, StoragePrivilege aPrivilege,
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const nsAString& aDatabaseName)
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: mPersistenceType(aPersistenceType), mGroup(aGroup), mOrigin(aOrigin),
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mPrivilege(aPrivilege), mDatabaseName(aDatabaseName), mLastFileId(0),
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mInvalidated(false)
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{ }
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(FileManager)
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PersistenceType Type()
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{
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return mPersistenceType;
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}
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const nsACString& Group() const
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{
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return mGroup;
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}
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const nsACString& Origin() const
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{
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return mOrigin;
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}
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const StoragePrivilege& Privilege() const
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{
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return mPrivilege;
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}
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const nsAString& DatabaseName() const
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{
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return mDatabaseName;
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}
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bool Invalidated() const
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{
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return mInvalidated;
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}
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nsresult Init(nsIFile* aDirectory,
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mozIStorageConnection* aConnection);
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nsresult Invalidate();
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already_AddRefed<nsIFile> GetDirectory();
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already_AddRefed<nsIFile> GetJournalDirectory();
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already_AddRefed<nsIFile> EnsureJournalDirectory();
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already_AddRefed<FileInfo> GetFileInfo(int64_t aId);
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already_AddRefed<FileInfo> GetNewFileInfo();
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static already_AddRefed<nsIFile> GetFileForId(nsIFile* aDirectory,
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int64_t aId);
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static nsresult InitDirectory(nsIFile* aDirectory,
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nsIFile* aDatabaseFile,
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PersistenceType aPersistenceType,
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const nsACString& aGroup,
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const nsACString& aOrigin);
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static nsresult GetUsage(nsIFile* aDirectory, uint64_t* aUsage);
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private:
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// Private destructor, to discourage deletion outside of Release():
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~FileManager()
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{
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}
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PersistenceType mPersistenceType;
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nsCString mGroup;
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nsCString mOrigin;
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StoragePrivilege mPrivilege;
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nsString mDatabaseName;
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nsString mDirectoryPath;
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nsString mJournalDirectoryPath;
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int64_t mLastFileId;
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// Protected by IndexedDatabaseManager::FileMutex()
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nsDataHashtable<nsUint64HashKey, FileInfo*> mFileInfos;
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bool mInvalidated;
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};
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END_INDEXEDDB_NAMESPACE
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#endif // mozilla_dom_indexeddb_filemanager_h__
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