/* -*- 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 <svl/poolitem.hxx>

#include <svl/listener.hxx>

#include "format.hxx"

#include "charfmt.hxx"

class SwTextCharFormat;

/// This pool item subclass can appear in the hint array of a text node. It refers to a character

/// style. It's owned by SwTextCharFormat.

class SW_DLLPUBLIC SwFormatCharFormat final : public SfxPoolItem, public SvtListener

{

    friend class SwTextCharFormat;

    SwTextCharFormat* m_pTextAttribute;     ///< My text attribute.

    SwCharFormat* m_pCharFormat;

public:

    /// single argument ctors shall be explicit.

    DECLARE_ITEM_TYPE_FUNCTION(SwFormatCharFormat)

    explicit SwFormatCharFormat( SwCharFormat *pFormat );

    virtual ~SwFormatCharFormat() override;

    /// @@@ public copy ctor, but no copy assignment?

    SwFormatCharFormat( const SwFormatCharFormat& rAttr );

private:

    virtual void Notify(const SfxHint&) override;

    /// @@@ public copy ctor, but no copy assignment?

    SwFormatCharFormat & operator= (const SwFormatCharFormat &) = delete;

public:

    /// "pure virtual methods" of SfxPoolItem

    virtual bool            operator==( const SfxPoolItem& ) const override;

    virtual SwFormatCharFormat* Clone( SfxItemPool* pPool = nullptr ) const override;

    virtual bool GetPresentation( SfxItemPresentation ePres,

                                  MapUnit eCoreMetric,

                                  MapUnit ePresMetric,

                                  OUString &rText,

                                  const IntlWrapper&    rIntl ) const override;

    virtual bool QueryValue( css::uno::Any& rVal, sal_uInt8 nMemberId = 0 ) const override;

    virtual bool PutValue( const css::uno::Any& rVal, sal_uInt8 nMemberId ) override;

    void SetCharFormat( SwCharFormat* pFormat )

    {

        assert(!pFormat->IsDefault()); // expose cases that lead to use-after-free

        EndListeningAll();

        StartListening(pFormat->GetNotifier());

        m_pCharFormat = pFormat;

    }

    SwCharFormat* GetCharFormat() const { return m_pCharFormat; }

    void dumpAsXml(xmlTextWriterPtr pWriter) const override;

};

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