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-rw-r--r--dom/xul/XULPersist.h50
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diff --git a/dom/xul/XULPersist.h b/dom/xul/XULPersist.h
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+++ b/dom/xul/XULPersist.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=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_XULPersist_h
+#define mozilla_dom_XULPersist_h
+
+#include "nsStubDocumentObserver.h"
+
+#ifndef MOZ_NEW_XULSTORE
+# include "nsCOMPtr.h"
+class nsIXULStore;
+#endif
+
+template <typename T>
+class nsCOMArray;
+
+namespace mozilla::dom {
+
+class XULPersist final : public nsStubDocumentObserver {
+ public:
+ NS_DECL_ISUPPORTS
+
+ explicit XULPersist(Document* aDocument);
+ void Init();
+ void DropDocumentReference();
+
+ NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED
+
+ protected:
+ void Persist(mozilla::dom::Element* aElement, nsAtom* aAttribute);
+
+ private:
+ ~XULPersist();
+ nsresult ApplyPersistentAttributes();
+ nsresult ApplyPersistentAttributesToElements(const nsAString& aID,
+ const nsAString& aDocURI,
+ nsCOMArray<Element>& aElements);
+
+ nsCOMPtr<nsIXULStore> mLocalStore;
+
+ // A weak pointer to our document. Nulled out by DropDocumentReference.
+ Document* MOZ_NON_OWNING_REF mDocument;
+};
+
+} // namespace mozilla::dom
+
+#endif // mozilla_dom_XULPersist_h