1 files changed, 72 insertions, 0 deletions
diff --git a/sc/inc/unoreflist.hxx b/sc/inc/unoreflist.hxx
new file mode 100644
index 0000000000..fb045c9434
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+++ b/sc/inc/unoreflist.hxx
@@ -0,0 +1,72 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <utility>
+#include <vector>
+#include <svl/hint.hxx>
+#include "rangelst.hxx"
+
+struct ScUnoRefEntry
+{
+    sal_Int64   nObjectId;
+    ScRangeList aRanges;
+
+    ScUnoRefEntry( sal_Int64 nId, ScRangeList aOldRanges ) :
+        nObjectId( nId ),
+        aRanges(std::move( aOldRanges ))
+    {
+    }
+};
+
+/** List of RefUpdate changes made to UNO objects during ScUpdateRefHint broadcast.
+*/
+
+class ScUnoRefList
+{
+private:
+    ::std::vector<ScUnoRefEntry> aEntries;
+
+public:
+                ScUnoRefList();
+                ~ScUnoRefList();
+
+    void        Add( sal_Int64 nId, const ScRangeList& rOldRanges );
+    void        Undo( ScDocument* pDoc );
+
+    bool        IsEmpty() const     { return aEntries.empty(); }
+};
+
+/** Hint to restore a UNO object to its old state (used during undo).
+*/
+
+class ScUnoRefUndoHint final : public SfxHint
+{
+    ScUnoRefEntry   aEntry;
+
+public:
+                ScUnoRefUndoHint( ScUnoRefEntry aRefEntry );
+                virtual ~ScUnoRefUndoHint() override;
+
+    sal_Int64   GetObjectId() const         { return aEntry.nObjectId; }
+    const ScRangeList& GetRanges() const    { return aEntry.aRanges; }
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */