diff -r 000000000000 -r 6474c204b198 dom/indexedDB/FileManager.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/indexedDB/FileManager.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,124 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_indexeddb_filemanager_h__
+#define mozilla_dom_indexeddb_filemanager_h__
+
+#include "IndexedDatabase.h"
+
+#include "nsIDOMFile.h"
+#include "nsIFile.h"
+
+#include "mozilla/dom/quota/PersistenceType.h"
+#include "mozilla/dom/quota/StoragePrivilege.h"
+#include "nsDataHashtable.h"
+
+class mozIStorageConnection;
+
+BEGIN_INDEXEDDB_NAMESPACE
+
+class FileInfo;
+
+class FileManager MOZ_FINAL
+{
+  friend class FileInfo;
+
+  typedef mozilla::dom::quota::PersistenceType PersistenceType;
+  typedef mozilla::dom::quota::StoragePrivilege StoragePrivilege;
+
+public:
+  FileManager(PersistenceType aPersistenceType, const nsACString& aGroup,
+              const nsACString& aOrigin, StoragePrivilege aPrivilege,
+              const nsAString& aDatabaseName)
+  : mPersistenceType(aPersistenceType), mGroup(aGroup), mOrigin(aOrigin),
+    mPrivilege(aPrivilege), mDatabaseName(aDatabaseName), mLastFileId(0),
+    mInvalidated(false)
+  { }
+
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(FileManager)
+
+  PersistenceType Type()
+  {
+    return mPersistenceType;
+  }
+
+  const nsACString& Group() const
+  {
+    return mGroup;
+  }
+
+  const nsACString& Origin() const
+  {
+    return mOrigin;
+  }
+
+  const StoragePrivilege& Privilege() const
+  {
+    return mPrivilege;
+  }
+
+  const nsAString& DatabaseName() const
+  {
+    return mDatabaseName;
+  }
+
+  bool Invalidated() const
+  {
+    return mInvalidated;
+  }
+
+  nsresult Init(nsIFile* aDirectory,
+                mozIStorageConnection* aConnection);
+
+  nsresult Invalidate();
+
+  already_AddRefed<nsIFile> GetDirectory();
+
+  already_AddRefed<nsIFile> GetJournalDirectory();
+
+  already_AddRefed<nsIFile> EnsureJournalDirectory();
+
+  already_AddRefed<FileInfo> GetFileInfo(int64_t aId);
+
+  already_AddRefed<FileInfo> GetNewFileInfo();
+
+  static already_AddRefed<nsIFile> GetFileForId(nsIFile* aDirectory,
+                                                int64_t aId);
+
+  static nsresult InitDirectory(nsIFile* aDirectory,
+                                nsIFile* aDatabaseFile,
+                                PersistenceType aPersistenceType,
+                                const nsACString& aGroup,
+                                const nsACString& aOrigin);
+
+  static nsresult GetUsage(nsIFile* aDirectory, uint64_t* aUsage);
+
+private:
+  // Private destructor, to discourage deletion outside of Release():
+  ~FileManager()
+  {
+  }
+
+  PersistenceType mPersistenceType;
+  nsCString mGroup;
+  nsCString mOrigin;
+  StoragePrivilege mPrivilege;
+  nsString mDatabaseName;
+
+  nsString mDirectoryPath;
+  nsString mJournalDirectoryPath;
+
+  int64_t mLastFileId;
+
+  // Protected by IndexedDatabaseManager::FileMutex()
+  nsDataHashtable<nsUint64HashKey, FileInfo*> mFileInfos;
+
+  bool mInvalidated;
+};
+
+END_INDEXEDDB_NAMESPACE
+
+#endif // mozilla_dom_indexeddb_filemanager_h__