/* -*- 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 .
 */
#ifndef INCLUDED_SW_INC_FLYPOS_HXX
#define INCLUDED_SW_INC_FLYPOS_HXX

#include "swdllapi.h"
#include <memory>
#include <set>

class SwFrameFormat;
class SwNodeIndex;

/// For querying current flys in document.
class SW_DLLPUBLIC SwPosFlyFrame
{
    const SwFrameFormat* m_pFrameFormat;    ///< FlyFrameFormat
    SwNodeIndex* m_pNodeIndex;        ///< Index for node is sufficient.
    sal_uInt32 m_nOrdNum;
public:
    SwPosFlyFrame( const SwNodeIndex& , const SwFrameFormat*, sal_uInt16 nArrPos );
    virtual ~SwPosFlyFrame(); ///< Virtual for Writer (DLL !!)

    const SwFrameFormat& GetFormat() const { return *m_pFrameFormat; }
    const SwNodeIndex& GetNdIndex() const { return *m_pNodeIndex; }
    sal_uInt32 GetOrdNum() const { return m_nOrdNum; }
};

// define needed classes to safely handle an array of allocated SwPosFlyFrame(s).
// SwPosFlyFrames can be handled by value (as return value), only refcounts to
// contained SwPosFlyFrame* will be copied. When releasing the last SwPosFlyFramePtr
// instance the allocated instance will be freed. The array is sorted by
// GetNdIndex by using a std::set container.
typedef std::shared_ptr< SwPosFlyFrame > SwPosFlyFramePtr;
struct SwPosFlyFrameCmp { bool operator()(const SwPosFlyFramePtr& rA, const SwPosFlyFramePtr& rB) const; };
typedef std::set< SwPosFlyFramePtr, SwPosFlyFrameCmp > SwPosFlyFrames;

#endif // INCLUDED_SW_INC_FLYPOS_HXX

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