/**************************************************************
 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/


#ifndef SC_UNOREFLIST_HXX
#define SC_UNOREFLIST_HXX

#include <list>
#include <svl/hint.hxx>
#include "rangelst.hxx"


struct ScUnoRefEntry
{
    sal_Int64   nObjectId;
    ScRangeList aRanges;

    ScUnoRefEntry( sal_Int64 nId, const ScRangeList& rOldRanges ) :
        nObjectId( nId ),
        aRanges( rOldRanges )
    {
    }
};

/** List of RefUpdate changes made to UNO objects during ScUpdateRefHint broadcast.
*/

class ScUnoRefList
{
private:
    ::std::list<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 : public SfxHint
{
    ScUnoRefEntry   aEntry;

public:
                ScUnoRefUndoHint( const ScUnoRefEntry& rRefEntry );
                ~ScUnoRefUndoHint();

    sal_Int64   GetObjectId() const         { return aEntry.nObjectId; }
    const ScRangeList& GetRanges() const    { return aEntry.aRanges; }
};


#endif