michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ts=2 et sw=2 tw=80: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef mozilla_dom_indexeddb_filemanager_h__
michael@0: #define mozilla_dom_indexeddb_filemanager_h__
michael@0: 
michael@0: #include "IndexedDatabase.h"
michael@0: 
michael@0: #include "nsIDOMFile.h"
michael@0: #include "nsIFile.h"
michael@0: 
michael@0: #include "mozilla/dom/quota/PersistenceType.h"
michael@0: #include "mozilla/dom/quota/StoragePrivilege.h"
michael@0: #include "nsDataHashtable.h"
michael@0: 
michael@0: class mozIStorageConnection;
michael@0: 
michael@0: BEGIN_INDEXEDDB_NAMESPACE
michael@0: 
michael@0: class FileInfo;
michael@0: 
michael@0: class FileManager MOZ_FINAL
michael@0: {
michael@0:   friend class FileInfo;
michael@0: 
michael@0:   typedef mozilla::dom::quota::PersistenceType PersistenceType;
michael@0:   typedef mozilla::dom::quota::StoragePrivilege StoragePrivilege;
michael@0: 
michael@0: public:
michael@0:   FileManager(PersistenceType aPersistenceType, const nsACString& aGroup,
michael@0:               const nsACString& aOrigin, StoragePrivilege aPrivilege,
michael@0:               const nsAString& aDatabaseName)
michael@0:   : mPersistenceType(aPersistenceType), mGroup(aGroup), mOrigin(aOrigin),
michael@0:     mPrivilege(aPrivilege), mDatabaseName(aDatabaseName), mLastFileId(0),
michael@0:     mInvalidated(false)
michael@0:   { }
michael@0: 
michael@0:   NS_INLINE_DECL_THREADSAFE_REFCOUNTING(FileManager)
michael@0: 
michael@0:   PersistenceType Type()
michael@0:   {
michael@0:     return mPersistenceType;
michael@0:   }
michael@0: 
michael@0:   const nsACString& Group() const
michael@0:   {
michael@0:     return mGroup;
michael@0:   }
michael@0: 
michael@0:   const nsACString& Origin() const
michael@0:   {
michael@0:     return mOrigin;
michael@0:   }
michael@0: 
michael@0:   const StoragePrivilege& Privilege() const
michael@0:   {
michael@0:     return mPrivilege;
michael@0:   }
michael@0: 
michael@0:   const nsAString& DatabaseName() const
michael@0:   {
michael@0:     return mDatabaseName;
michael@0:   }
michael@0: 
michael@0:   bool Invalidated() const
michael@0:   {
michael@0:     return mInvalidated;
michael@0:   }
michael@0: 
michael@0:   nsresult Init(nsIFile* aDirectory,
michael@0:                 mozIStorageConnection* aConnection);
michael@0: 
michael@0:   nsresult Invalidate();
michael@0: 
michael@0:   already_AddRefed<nsIFile> GetDirectory();
michael@0: 
michael@0:   already_AddRefed<nsIFile> GetJournalDirectory();
michael@0: 
michael@0:   already_AddRefed<nsIFile> EnsureJournalDirectory();
michael@0: 
michael@0:   already_AddRefed<FileInfo> GetFileInfo(int64_t aId);
michael@0: 
michael@0:   already_AddRefed<FileInfo> GetNewFileInfo();
michael@0: 
michael@0:   static already_AddRefed<nsIFile> GetFileForId(nsIFile* aDirectory,
michael@0:                                                 int64_t aId);
michael@0: 
michael@0:   static nsresult InitDirectory(nsIFile* aDirectory,
michael@0:                                 nsIFile* aDatabaseFile,
michael@0:                                 PersistenceType aPersistenceType,
michael@0:                                 const nsACString& aGroup,
michael@0:                                 const nsACString& aOrigin);
michael@0: 
michael@0:   static nsresult GetUsage(nsIFile* aDirectory, uint64_t* aUsage);
michael@0: 
michael@0: private:
michael@0:   // Private destructor, to discourage deletion outside of Release():
michael@0:   ~FileManager()
michael@0:   {
michael@0:   }
michael@0: 
michael@0:   PersistenceType mPersistenceType;
michael@0:   nsCString mGroup;
michael@0:   nsCString mOrigin;
michael@0:   StoragePrivilege mPrivilege;
michael@0:   nsString mDatabaseName;
michael@0: 
michael@0:   nsString mDirectoryPath;
michael@0:   nsString mJournalDirectoryPath;
michael@0: 
michael@0:   int64_t mLastFileId;
michael@0: 
michael@0:   // Protected by IndexedDatabaseManager::FileMutex()
michael@0:   nsDataHashtable<nsUint64HashKey, FileInfo*> mFileInfos;
michael@0: 
michael@0:   bool mInvalidated;
michael@0: };
michael@0: 
michael@0: END_INDEXEDDB_NAMESPACE
michael@0: 
michael@0: #endif // mozilla_dom_indexeddb_filemanager_h__