/* -*- 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 <sal/types.h>

#include <svx/sdrobjectuser.hxx>

#include <list>

#include <unordered_set>

namespace sd

{

    class ShapeList final : public sdr::ObjectUser

    {

    public:

        ShapeList();

        ~ShapeList();

        /** adds the given shape to this list */

        void addShape( SdrObject& rObject );

        /** removes the shape from this list*/

        void removeShape( SdrObject& rObject );

        /** removes all shapes from this list */

        void clear();

        /** @return true if this list is empty */

        bool isEmpty() const;

        /** @return true if given shape is part of this list */

        bool hasShape( SdrObject& rObject ) const;

        /** returns the shape the internal iterator points to, or 0 if

         * the list end is reached. moves the internal iterator to the

         * next shape. */

        SdrObject* getNextShape();

        /** Sets the internal iterator to the shape at given index. */

        void seekShape( sal_uInt32 nIndex );

        bool hasMore() const;

        const std::list< SdrObject* >& getList() const { return maShapeList; }

    private:

        virtual void ObjectInDestruction(const SdrObject& rObject) override;

        typedef std::list< SdrObject* > ListImpl;

        ListImpl maShapeList;

        ListImpl::iterator maIter;

        std::unordered_set<const SdrObject*> maShapeSet;

    };

}

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