/* -*- 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 <editeng/outliner.hxx>

#include <optional>

#include <svx/svxdllapi.h>

#include <unotools/weakref.hxx>

#include <editeng/StripPortionsHelper.hxx>

class SdrTextObj;

class SdrPage;

class SVXCORE_DLLPUBLIC SdrOutliner : public Outliner

{

    ::unotools::WeakReference<SdrTextObj> mxWeakTextObj;

    const SdrPage* mpVisualizedPage;

public:

    SdrOutliner( SfxItemPool* pItemPool, OutlinerMode nMode );

    virtual ~SdrOutliner() override ;

    void  SetTextObj( const SdrTextObj* pObj );

    void SetTextObjNoInit( const SdrTextObj* pObj );

    const SdrTextObj* GetTextObj() const;

    void setVisualizedPage(const SdrPage* pPage) { if(pPage != mpVisualizedPage) mpVisualizedPage = pPage; }

    const SdrPage* getVisualizedPage() const { return mpVisualizedPage; }

    virtual OUString CalcFieldValue(const SvxFieldItem& rField, sal_Int32 nPara, sal_Int32 nPos, std::optional<Color>& rpTxtColor, std::optional<Color>& rpFldColor, std::optional<FontLineStyle>& rpFldLineStyle) override;

    bool hasEditViewCallbacks() const;

    /// @returns state of the SdrCompatibilityFlag

    virtual std::optional<bool> GetCompatFlag(SdrCompatibilityFlag eFlag) const override;

};

class TextHierarchyBreakupOutliner : public TextHierarchyBreakup

{

    SdrOutliner&                mrOutliner;

protected:

    virtual sal_Int16 getOutlineLevelFromParagraph(sal_Int32 nPara) const;

    virtual sal_Int32 getParagraphCount() const;

public:

    TextHierarchyBreakupOutliner(

        SdrOutliner& rOutliner,

        const basegfx::B2DHomMatrix& rNewTransformA,

        const basegfx::B2DHomMatrix& rNewTransformB);

};

class TextHierarchyBreakupBlockText : public TextHierarchyBreakupOutliner

{

    // ClipRange for BlockText decomposition; only text portions completely

    // inside are to be accepted, so this is different from geometric clipping

    // (which would allow e.g. upper parts of portions to remain)

    const basegfx::B2DRange&    mrClipRange;

public:

    virtual void processDrawPortionInfo(const DrawPortionInfo& rDrawPortionInfo);

    TextHierarchyBreakupBlockText(

        SdrOutliner& rOutliner,

        const basegfx::B2DHomMatrix& rNewTransformA,

        const basegfx::B2DHomMatrix& rNewTransformB,

        const basegfx::B2DRange& rClipRange);

};

class TextHierarchyBreakupContourText : public TextHierarchyBreakupOutliner

{

    // the visible area for contour text decomposition

    basegfx::B2DVector              maScale;

public:

    virtual void processDrawPortionInfo(const DrawPortionInfo& rDrawPortionInfo);

    TextHierarchyBreakupContourText(

        SdrOutliner& rOutliner,

        const basegfx::B2DHomMatrix& rNewTransformA,

        const basegfx::B2DHomMatrix& rNewTransformB,

        const basegfx::B2DVector& rScale);

};

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