зеркало из https://github.com/mozilla/gecko-dev.git
105 строки
2.9 KiB
C++
105 строки
2.9 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_filemanager_h__
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#define mozilla_dom_indexeddb_filemanager_h__
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#include "mozilla/Attributes.h"
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#include "mozilla/dom/quota/PersistenceType.h"
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#include "nsDataHashtable.h"
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#include "nsHashKeys.h"
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#include "nsISupportsImpl.h"
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class nsIFile;
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class mozIStorageConnection;
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namespace mozilla {
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namespace dom {
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namespace indexedDB {
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class FileInfo;
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// Implemented in ActorsParent.cpp.
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class FileManager final {
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friend class FileInfo;
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typedef mozilla::dom::quota::PersistenceType PersistenceType;
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PersistenceType mPersistenceType;
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nsCString mGroup;
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nsCString mOrigin;
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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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const bool mEnforcingQuota;
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bool mInvalidated;
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public:
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static already_AddRefed<nsIFile> GetFileForId(nsIFile* aDirectory,
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int64_t aId);
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static already_AddRefed<nsIFile> GetCheckedFileForId(nsIFile* aDirectory,
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int64_t aId);
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static nsresult InitDirectory(nsIFile* aDirectory, nsIFile* aDatabaseFile,
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const nsACString& aOrigin,
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uint32_t aTelemetryId);
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static nsresult GetUsage(nsIFile* aDirectory, Maybe<uint64_t>& aUsage);
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static nsresult GetUsage(nsIFile* aDirectory, uint64_t& aUsage);
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FileManager(PersistenceType aPersistenceType, const nsACString& aGroup,
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const nsACString& aOrigin, const nsAString& aDatabaseName,
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bool aEnforcingQuota);
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PersistenceType Type() const { return mPersistenceType; }
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const nsACString& Group() const { return mGroup; }
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const nsACString& Origin() const { return mOrigin; }
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const nsAString& DatabaseName() const { return mDatabaseName; }
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bool EnforcingQuota() const { return mEnforcingQuota; }
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bool Invalidated() const { return mInvalidated; }
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nsresult Init(nsIFile* aDirectory, mozIStorageConnection* aConnection);
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nsresult Invalidate();
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already_AddRefed<nsIFile> GetDirectory();
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already_AddRefed<nsIFile> GetCheckedDirectory();
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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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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(FileManager)
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private:
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~FileManager() = default;
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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_filemanager_h__
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