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: */
/* 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 "mozilla/dom/BindingUtils.h"
#include "nsCycleCollectionParticipant.h"
#include "nsWrapperCache.h"
class nsIAtom;
class nsIFile;
class nsIFileURL;
class nsIIDBOpenDBRequest;
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 nsISupports,
public nsWrapperCache
{
typedef mozilla::dom::ContentParent ContentParent;
typedef nsTArray<nsRefPtr<ObjectStoreInfo> > ObjectStoreInfoArray;
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(IDBFactory)
// 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,
IDBFactory** aFactory)
{
return Create(aWindow, EmptyCString(), aContentParent, aFactory);
}
// Called when using IndexedDB from a JS component or a JSM in the current
// process.
static nsresult Create(JSContext* aCx,
JS::Handle<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<nsIFileURL>
GetDatabaseFileURL(nsIFile* aDatabaseFile, const nsACString& aOrigin);
static already_AddRefed<mozIStorageConnection>
GetConnection(const nsAString& aDatabaseFilePath,
const nsACString& aOrigin);
static nsresult
SetDefaultPragmas(mozIStorageConnection* aConnection);
static nsresult
LoadDatabaseInformation(mozIStorageConnection* aConnection,
nsIAtom* aDatabaseId,
uint64_t* aVersion,
ObjectStoreInfoArray& aObjectStores);
static nsresult
SetDatabaseMetadata(DatabaseInfo* aDatabaseInfo,
uint64_t aVersion,
ObjectStoreInfoArray& aObjectStores);
nsresult
OpenInternal(const nsAString& aName,
int64_t aVersion,
const nsACString& aASCIIOrigin,
bool aDeleting,
JSContext* aCallingCx,
IDBOpenDBRequest** _retval);
nsresult
OpenInternal(const nsAString& aName,
int64_t aVersion,
bool aDeleting,
JSContext* aCallingCx,
IDBOpenDBRequest** _retval)
{
return OpenInternal(aName, aVersion, mASCIIOrigin, aDeleting, aCallingCx,
_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;
}
// WrapperCache
nsPIDOMWindow* GetParentObject() const
{
return mWindow;
}
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aScope) MOZ_OVERRIDE;
// WebIDL
already_AddRefed<nsIIDBOpenDBRequest>
Open(JSContext* aCx, const NonNull<nsAString>& aName,
const Optional<uint64_t>& aVersion, ErrorResult& aRv)
{
return Open(aCx, nullptr, aName, aVersion, false, aRv);
}
already_AddRefed<nsIIDBOpenDBRequest>
DeleteDatabase(JSContext* aCx, const NonNull<nsAString>& aName,
ErrorResult& aRv)
{
return Open(aCx, nullptr, aName, Optional<uint64_t>(), true, aRv);
}
int16_t
Cmp(JSContext* aCx, JS::Handle<JS::Value> aFirst,
JS::Handle<JS::Value> aSecond, ErrorResult& aRv);
already_AddRefed<nsIIDBOpenDBRequest>
OpenForPrincipal(JSContext* aCx, nsIPrincipal* aPrincipal,
const NonNull<nsAString>& aName,
const Optional<uint64_t>& aVersion, ErrorResult& aRv);
already_AddRefed<nsIIDBOpenDBRequest>
DeleteForPrincipal(JSContext* aCx, nsIPrincipal* aPrincipal,
const NonNull<nsAString>& aName, ErrorResult& aRv);
private:
IDBFactory();
~IDBFactory();
already_AddRefed<nsIIDBOpenDBRequest>
Open(JSContext* aCx, nsIPrincipal* aPrincipal, const nsAString& aName,
const Optional<uint64_t>& aVersion, bool aDelete, ErrorResult& aRv);
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__