1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/indexedDB/FileManager.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,124 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim: set ts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef mozilla_dom_indexeddb_filemanager_h__
1.11 +#define mozilla_dom_indexeddb_filemanager_h__
1.12 +
1.13 +#include "IndexedDatabase.h"
1.14 +
1.15 +#include "nsIDOMFile.h"
1.16 +#include "nsIFile.h"
1.17 +
1.18 +#include "mozilla/dom/quota/PersistenceType.h"
1.19 +#include "mozilla/dom/quota/StoragePrivilege.h"
1.20 +#include "nsDataHashtable.h"
1.21 +
1.22 +class mozIStorageConnection;
1.23 +
1.24 +BEGIN_INDEXEDDB_NAMESPACE
1.25 +
1.26 +class FileInfo;
1.27 +
1.28 +class FileManager MOZ_FINAL
1.29 +{
1.30 + friend class FileInfo;
1.31 +
1.32 + typedef mozilla::dom::quota::PersistenceType PersistenceType;
1.33 + typedef mozilla::dom::quota::StoragePrivilege StoragePrivilege;
1.34 +
1.35 +public:
1.36 + FileManager(PersistenceType aPersistenceType, const nsACString& aGroup,
1.37 + const nsACString& aOrigin, StoragePrivilege aPrivilege,
1.38 + const nsAString& aDatabaseName)
1.39 + : mPersistenceType(aPersistenceType), mGroup(aGroup), mOrigin(aOrigin),
1.40 + mPrivilege(aPrivilege), mDatabaseName(aDatabaseName), mLastFileId(0),
1.41 + mInvalidated(false)
1.42 + { }
1.43 +
1.44 + NS_INLINE_DECL_THREADSAFE_REFCOUNTING(FileManager)
1.45 +
1.46 + PersistenceType Type()
1.47 + {
1.48 + return mPersistenceType;
1.49 + }
1.50 +
1.51 + const nsACString& Group() const
1.52 + {
1.53 + return mGroup;
1.54 + }
1.55 +
1.56 + const nsACString& Origin() const
1.57 + {
1.58 + return mOrigin;
1.59 + }
1.60 +
1.61 + const StoragePrivilege& Privilege() const
1.62 + {
1.63 + return mPrivilege;
1.64 + }
1.65 +
1.66 + const nsAString& DatabaseName() const
1.67 + {
1.68 + return mDatabaseName;
1.69 + }
1.70 +
1.71 + bool Invalidated() const
1.72 + {
1.73 + return mInvalidated;
1.74 + }
1.75 +
1.76 + nsresult Init(nsIFile* aDirectory,
1.77 + mozIStorageConnection* aConnection);
1.78 +
1.79 + nsresult Invalidate();
1.80 +
1.81 + already_AddRefed<nsIFile> GetDirectory();
1.82 +
1.83 + already_AddRefed<nsIFile> GetJournalDirectory();
1.84 +
1.85 + already_AddRefed<nsIFile> EnsureJournalDirectory();
1.86 +
1.87 + already_AddRefed<FileInfo> GetFileInfo(int64_t aId);
1.88 +
1.89 + already_AddRefed<FileInfo> GetNewFileInfo();
1.90 +
1.91 + static already_AddRefed<nsIFile> GetFileForId(nsIFile* aDirectory,
1.92 + int64_t aId);
1.93 +
1.94 + static nsresult InitDirectory(nsIFile* aDirectory,
1.95 + nsIFile* aDatabaseFile,
1.96 + PersistenceType aPersistenceType,
1.97 + const nsACString& aGroup,
1.98 + const nsACString& aOrigin);
1.99 +
1.100 + static nsresult GetUsage(nsIFile* aDirectory, uint64_t* aUsage);
1.101 +
1.102 +private:
1.103 + // Private destructor, to discourage deletion outside of Release():
1.104 + ~FileManager()
1.105 + {
1.106 + }
1.107 +
1.108 + PersistenceType mPersistenceType;
1.109 + nsCString mGroup;
1.110 + nsCString mOrigin;
1.111 + StoragePrivilege mPrivilege;
1.112 + nsString mDatabaseName;
1.113 +
1.114 + nsString mDirectoryPath;
1.115 + nsString mJournalDirectoryPath;
1.116 +
1.117 + int64_t mLastFileId;
1.118 +
1.119 + // Protected by IndexedDatabaseManager::FileMutex()
1.120 + nsDataHashtable<nsUint64HashKey, FileInfo*> mFileInfos;
1.121 +
1.122 + bool mInvalidated;
1.123 +};
1.124 +
1.125 +END_INDEXEDDB_NAMESPACE
1.126 +
1.127 +#endif // mozilla_dom_indexeddb_filemanager_h__
