gecko-dev/dom/indexedDB/IDBFactory.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Indexed Database.
*
* The Initial Developer of the Original Code is
* The Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Ben Turner <bent.mozilla@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef mozilla_dom_indexeddb_idbfactory_h__
#define mozilla_dom_indexeddb_idbfactory_h__
#include "mozilla/dom/indexedDB/IndexedDatabase.h"
#include "mozIStorageConnection.h"
#include "nsIIDBFactory.h"
#include "nsCycleCollectionParticipant.h"
#include "nsXULAppAPI.h"
class nsIAtom;
class nsPIDOMWindow;
BEGIN_INDEXEDDB_NAMESPACE
struct DatabaseInfo;
class IDBDatabase;
struct ObjectStoreInfo;
class IDBFactory : public nsIIDBFactory
{
typedef nsTArray<nsRefPtr<ObjectStoreInfo> > ObjectStoreInfoArray;
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(IDBFactory)
NS_DECL_NSIIDBFACTORY
static already_AddRefed<nsIIDBFactory> Create(nsPIDOMWindow* aWindow);
static already_AddRefed<nsIIDBFactory> Create(JSContext* aCx,
JSObject* aOwningObject);
static already_AddRefed<mozIStorageConnection>
GetConnection(const nsAString& aDatabaseFilePath);
// Called when a process uses an IndexedDB factory. We only allow
// a single process type to use IndexedDB - the chrome/single process
// in Firefox, and the child process in Fennec - so access by more
// than one process type is a very serious error.
static void
NoteUsedByProcessType(GeckoProcessType aProcessType);
static nsresult
GetDirectory(nsIFile** aDirectory);
static nsresult
GetDirectoryForOrigin(const nsACString& aASCIIOrigin,
nsIFile** aDirectory);
static nsresult
LoadDatabaseInformation(mozIStorageConnection* aConnection,
nsIAtom* aDatabaseId,
PRUint64* aVersion,
ObjectStoreInfoArray& aObjectStores);
static nsresult
SetDatabaseMetadata(DatabaseInfo* aDatabaseInfo,
PRUint64 aVersion,
ObjectStoreInfoArray& aObjectStores);
private:
IDBFactory();
~IDBFactory();
nsresult
OpenCommon(const nsAString& aName,
PRInt64 aVersion,
bool aDeleting,
nsIIDBOpenDBRequest** _retval);
// If this factory lives on a window then mWindow must be non-null. Otherwise
// mOwningObject must be non-null.
nsCOMPtr<nsPIDOMWindow> mWindow;
JSObject* mOwningObject;
};
END_INDEXEDDB_NAMESPACE
#endif // mozilla_dom_indexeddb_idbfactory_h__