gecko-dev/dom/indexedDB/IDBFactory.h

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3.8 KiB
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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: */
/* 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"
class nsIAtom;
class nsPIDOMWindow;
namespace mozilla {
namespace dom {
class ContentParent;
}
}
BEGIN_INDEXEDDB_NAMESPACE
struct DatabaseInfo;
class IDBDatabase;
class IDBOpenDBRequest;
class IndexedDBChild;
class IndexedDBParent;
struct ObjectStoreInfo;
class IDBFactory MOZ_FINAL : public nsIIDBFactory
{
typedef mozilla::dom::ContentParent ContentParent;
typedef nsTArray<nsRefPtr<ObjectStoreInfo> > ObjectStoreInfoArray;
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(IDBFactory)
NS_DECL_NSIIDBFACTORY
// Called when using IndexedDB from a window in a different process.
static nsresult Create(nsPIDOMWindow* aWindow,
const nsACString& aASCIIOrigin,
ContentParent* aContentParent,
IDBFactory** aFactory);
// Called when using IndexedDB from a window in the current process.
static nsresult Create(nsPIDOMWindow* aWindow,
ContentParent* aContentParent,
nsIIDBFactory** aFactory)
{
nsRefPtr<IDBFactory> factory;
nsresult rv =
Create(aWindow, EmptyCString(), aContentParent, getter_AddRefs(factory));
NS_ENSURE_SUCCESS(rv, rv);
factory.forget(aFactory);
return NS_OK;
}
// Called when using IndexedDB from a JS component or a JSM in the current
// process.
static nsresult Create(JSContext* aCx,
JSObject* aOwningObject,
ContentParent* aContentParent,
IDBFactory** aFactory);
// Called when using IndexedDB from a JS component or a JSM in a different
// process.
static nsresult Create(ContentParent* aContentParent,
IDBFactory** aFactory);
static already_AddRefed<mozIStorageConnection>
GetConnection(const nsAString& aDatabaseFilePath);
static nsresult
LoadDatabaseInformation(mozIStorageConnection* aConnection,
nsIAtom* aDatabaseId,
PRUint64* aVersion,
ObjectStoreInfoArray& aObjectStores);
static nsresult
SetDatabaseMetadata(DatabaseInfo* aDatabaseInfo,
PRUint64 aVersion,
ObjectStoreInfoArray& aObjectStores);
nsresult
OpenCommon(const nsAString& aName,
PRInt64 aVersion,
bool aDeleting,
JSContext* aCallingCx,
IDBOpenDBRequest** _retval);
void
SetActor(IndexedDBChild* aActorChild)
{
NS_ASSERTION(!aActorChild || !mActorChild, "Shouldn't have more than one!");
mActorChild = aActorChild;
}
void
SetActor(IndexedDBParent* aActorParent)
{
NS_ASSERTION(!aActorParent || !mActorParent, "Shouldn't have more than one!");
mActorParent = aActorParent;
}
const nsCString&
GetASCIIOrigin() const
{
return mASCIIOrigin;
}
private:
IDBFactory();
~IDBFactory();
nsCString mASCIIOrigin;
// If this factory lives on a window then mWindow must be non-null. Otherwise
// mOwningObject must be non-null.
nsCOMPtr<nsPIDOMWindow> mWindow;
JSObject* mOwningObject;
IndexedDBChild* mActorChild;
IndexedDBParent* mActorParent;
mozilla::dom::ContentParent* mContentParent;
bool mRootedOwningObject;
};
END_INDEXEDDB_NAMESPACE
#endif // mozilla_dom_indexeddb_idbfactory_h__