gecko/dom/indexedDB/IDBFactory.h
2012-05-21 12:12:37 +01:00

81 lines
2.4 KiB
C++

/* -*- 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_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 MOZ_FINAL : 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
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__