/* -*- 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_XMLOFF_PRSTYLEI_HXX
#define INCLUDED_XMLOFF_PRSTYLEI_HXX

#include <sal/config.h>
#include <xmloff/dllapi.h>
#include <sal/types.h>
#include <vector>
#include <xmloff/xmlstyle.hxx>

#include <unordered_set>

struct XMLPropertyState;

namespace com::sun::star {
    namespace beans { class XPropertySet; }
}

namespace com::sun::star::style { class XStyle; }

typedef std::unordered_set<OUString> OldFillStyleDefinitionSet;

class XMLOFF_DLLPUBLIC XMLPropStyleContext : public SvXMLStyleContext
{
private:
    ::std::vector< XMLPropertyState >          maProperties;
    css::uno::Reference < css::style::XStyle > mxStyle;
    rtl::Reference<SvXMLStylesContext>         mxStyles;

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

public:

    // Helper to check if the local maProperties contains the given
    // FillStyle tag and if the FillStyle there is different from FillStyle_NONE
    bool doNewDrawingLayerFillStyleDefinitionsExist(
        const OUString& rFillStyleTag) const;

protected:

    // Helper which will deactivate all old fill definitions (identified by
    // the given OldFillStyleDefinitionSet) in the local maProperties. Deactivation
    // is done setting theindex to -1. It returns true when actually old fill
    // definitions existed and were deactivated
    void deactivateOldFillStyleDefinitions(
        const OldFillStyleDefinitionSet& rHashSetOfTags);

    // Helper to translate new DrawingLayer FillStyle values which are name-based
    // from ODF internal name to style display names which can be found in the current
    // document model (using NameOrIndex Items). The change is executed on the internal
    // maProperties. The return value is true when actually names were changed
    void translateNameBasedDrawingLayerFillStyleDefinitionsToStyleDisplayNames();

    // provider for often used sets
    static const OldFillStyleDefinitionSet& getStandardSet();
    static const OldFillStyleDefinitionSet& getHeaderSet();
    static const OldFillStyleDefinitionSet& getFooterSet();

    virtual void SetAttribute( sal_Int32 nElement, const OUString& rValue ) override;
    SvXMLStylesContext *GetStyles() { return mxStyles.get(); }
    ::std::vector< XMLPropertyState > & GetProperties() { return maProperties; }

    // Override this method to create a new style. It's called by
    // CreateInsert to create a style if a style with the requested family and
    // name couldn't be found.
    virtual css::uno::Reference< css::style::XStyle > Create();

public:


    XMLPropStyleContext( SvXMLImport& rImport,
            SvXMLStylesContext& rStyles, XmlStyleFamily nFamily,
            bool bDefaultStyle=false );
    virtual ~XMLPropStyleContext() override;

    virtual css::uno::Reference< css::xml::sax::XFastContextHandler > SAL_CALL createFastChildContext(
        sal_Int32 nElement, const css::uno::Reference< css::xml::sax::XFastAttributeList >& AttrList ) override;

    virtual void FillPropertySet(
            const css::uno::Reference< css::beans::XPropertySet > & rPropSet );

    virtual bool isEmptyDataStyleName() { return false; };

    const SvXMLStylesContext *GetStyles() const { return static_cast<const SvXMLStylesContext *>(mxStyles.get()); }
    const ::std::vector< XMLPropertyState > & GetProperties() const { return maProperties; }

    const css::uno::Reference< css::style::XStyle >&
               GetStyle() const { return mxStyle; }
    void SetStyle(
            const css::uno::Reference< css::style::XStyle >& xStl) { mxStyle = xStl; }

    virtual void SetDefaults() override;

    virtual void CreateAndInsert( bool bOverwrite ) override;
    virtual void Finish( bool bOverwrite ) override;
};

#endif

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