1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7 #ifndef mozilla_dom_XULPersist_h
8 #define mozilla_dom_XULPersist_h
10 #include "nsStubDocumentObserver.h"
12 #ifndef MOZ_NEW_XULSTORE
13 # include "nsCOMPtr.h"
20 namespace mozilla::dom
{
23 * This class synchronizes element attributes (such as window sizing) with the
24 * live elements in a Document and with the XULStore. The XULStore persists
25 * these attributes to the file system. This class is created and owned by the
26 * Document and must only be created in the parent process. It only presists
27 * chrome document element attributes.
29 class XULPersist final
: public nsStubDocumentObserver
{
33 explicit XULPersist(Document
* aDocument
);
35 void DropDocumentReference();
37 NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED
40 void Persist(mozilla::dom::Element
* aElement
, nsAtom
* aAttribute
);
44 nsresult
ApplyPersistentAttributes();
45 nsresult
ApplyPersistentAttributesToElements(const nsAString
& aID
,
46 const nsAString
& aDocURI
,
47 nsCOMArray
<Element
>& aElements
);
49 nsCOMPtr
<nsIXULStore
> mLocalStore
;
51 // A weak pointer to our document. Nulled out by DropDocumentReference.
52 Document
* MOZ_NON_OWNING_REF mDocument
;
55 } // namespace mozilla::dom
57 #endif // mozilla_dom_XULPersist_h