зеркало из https://github.com/mozilla/gecko-dev.git
141 строка
3.8 KiB
C++
141 строка
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_indexeddb_idbfactory_h__
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#define mozilla_dom_indexeddb_idbfactory_h__
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#include "mozilla/dom/indexedDB/IndexedDatabase.h"
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#include "mozIStorageConnection.h"
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#include "nsIIDBFactory.h"
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#include "nsCycleCollectionParticipant.h"
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class nsIAtom;
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class nsPIDOMWindow;
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namespace mozilla {
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namespace dom {
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class ContentParent;
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}
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}
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BEGIN_INDEXEDDB_NAMESPACE
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struct DatabaseInfo;
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class IDBDatabase;
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class IDBOpenDBRequest;
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class IndexedDBChild;
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class IndexedDBParent;
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struct ObjectStoreInfo;
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class IDBFactory MOZ_FINAL : public nsIIDBFactory
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{
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typedef mozilla::dom::ContentParent ContentParent;
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typedef nsTArray<nsRefPtr<ObjectStoreInfo> > ObjectStoreInfoArray;
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(IDBFactory)
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NS_DECL_NSIIDBFACTORY
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// Called when using IndexedDB from a window in a different process.
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static nsresult Create(nsPIDOMWindow* aWindow,
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const nsACString& aASCIIOrigin,
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ContentParent* aContentParent,
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IDBFactory** aFactory);
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// Called when using IndexedDB from a window in the current process.
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static nsresult Create(nsPIDOMWindow* aWindow,
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ContentParent* aContentParent,
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nsIIDBFactory** aFactory)
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{
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nsRefPtr<IDBFactory> factory;
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nsresult rv =
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Create(aWindow, EmptyCString(), aContentParent, getter_AddRefs(factory));
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NS_ENSURE_SUCCESS(rv, rv);
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factory.forget(aFactory);
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return NS_OK;
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}
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// Called when using IndexedDB from a JS component or a JSM in the current
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// process.
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static nsresult Create(JSContext* aCx,
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JSObject* aOwningObject,
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ContentParent* aContentParent,
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IDBFactory** aFactory);
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// Called when using IndexedDB from a JS component or a JSM in a different
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// process.
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static nsresult Create(ContentParent* aContentParent,
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IDBFactory** aFactory);
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static already_AddRefed<mozIStorageConnection>
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GetConnection(const nsAString& aDatabaseFilePath);
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static nsresult
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LoadDatabaseInformation(mozIStorageConnection* aConnection,
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nsIAtom* aDatabaseId,
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PRUint64* aVersion,
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ObjectStoreInfoArray& aObjectStores);
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static nsresult
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SetDatabaseMetadata(DatabaseInfo* aDatabaseInfo,
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PRUint64 aVersion,
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ObjectStoreInfoArray& aObjectStores);
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nsresult
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OpenCommon(const nsAString& aName,
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PRInt64 aVersion,
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bool aDeleting,
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JSContext* aCallingCx,
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IDBOpenDBRequest** _retval);
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void
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SetActor(IndexedDBChild* aActorChild)
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{
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NS_ASSERTION(!aActorChild || !mActorChild, "Shouldn't have more than one!");
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mActorChild = aActorChild;
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}
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void
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SetActor(IndexedDBParent* aActorParent)
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{
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NS_ASSERTION(!aActorParent || !mActorParent, "Shouldn't have more than one!");
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mActorParent = aActorParent;
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}
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const nsCString&
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GetASCIIOrigin() const
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{
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return mASCIIOrigin;
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}
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private:
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IDBFactory();
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~IDBFactory();
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nsCString mASCIIOrigin;
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// If this factory lives on a window then mWindow must be non-null. Otherwise
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// mOwningObject must be non-null.
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nsCOMPtr<nsPIDOMWindow> mWindow;
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JSObject* mOwningObject;
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IndexedDBChild* mActorChild;
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IndexedDBParent* mActorParent;
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mozilla::dom::ContentParent* mContentParent;
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bool mRootedOwningObject;
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};
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END_INDEXEDDB_NAMESPACE
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#endif // mozilla_dom_indexeddb_idbfactory_h__
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