    /* -*- 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 .
     */

    #include <editeng/memberids.h>
    #include <editeng/langitem.hxx>
    #include <svl/hint.hxx>
    #include <svl/itemprop.hxx>
    #include <svx/unomid.hxx>
    #include <vcl/svapp.hxx>
    #include <i18nlangtag/languagetag.hxx>

    #include <com/sun/star/beans/PropertyAttribute.hpp>

    #include <scitems.hxx>
    #include <defltuno.hxx>
    #include <miscuno.hxx>
    #include <docsh.hxx>
    #include <docpool.hxx>
    #include <unonames.hxx>
    #include <docoptio.hxx>

    #include <limits>

    class SvxFontItem;
    using namespace ::com::sun::star;

    static const SfxItemPropertyMapEntry* lcl_GetDocDefaultsMap()
    {
        static const SfxItemPropertyMapEntry aDocDefaultsMap_Impl[] =
        {
            {OUString(SC_UNONAME_CFCHARS),  ATTR_FONT,          cppu::UnoType<sal_Int16>::get(),        0, MID_FONT_CHAR_SET },
            {OUString(SC_UNO_CJK_CFCHARS),  ATTR_CJK_FONT,      cppu::UnoType<sal_Int16>::get(),        0, MID_FONT_CHAR_SET },
            {OUString(SC_UNO_CTL_CFCHARS),  ATTR_CTL_FONT,      cppu::UnoType<sal_Int16>::get(),        0, MID_FONT_CHAR_SET },
            {OUString(SC_UNONAME_CFFAMIL),  ATTR_FONT,          cppu::UnoType<sal_Int16>::get(),        0, MID_FONT_FAMILY },
            {OUString(SC_UNO_CJK_CFFAMIL),  ATTR_CJK_FONT,      cppu::UnoType<sal_Int16>::get(),        0, MID_FONT_FAMILY },
            {OUString(SC_UNO_CTL_CFFAMIL),  ATTR_CTL_FONT,      cppu::UnoType<sal_Int16>::get(),        0, MID_FONT_FAMILY },
            {OUString(SC_UNONAME_CFNAME),   ATTR_FONT,          cppu::UnoType<OUString>::get(),    0, MID_FONT_FAMILY_NAME },
            {OUString(SC_UNO_CJK_CFNAME),   ATTR_CJK_FONT,      cppu::UnoType<OUString>::get(),    0, MID_FONT_FAMILY_NAME },
            {OUString(SC_UNO_CTL_CFNAME),   ATTR_CTL_FONT,      cppu::UnoType<OUString>::get(),    0, MID_FONT_FAMILY_NAME },
            {OUString(SC_UNONAME_CFPITCH),  ATTR_FONT,          cppu::UnoType<sal_Int16>::get(),        0, MID_FONT_PITCH },
            {OUString(SC_UNO_CJK_CFPITCH),  ATTR_CJK_FONT,      cppu::UnoType<sal_Int16>::get(),        0, MID_FONT_PITCH },
            {OUString(SC_UNO_CTL_CFPITCH),  ATTR_CTL_FONT,      cppu::UnoType<sal_Int16>::get(),        0, MID_FONT_PITCH },
            {OUString(SC_UNONAME_CFSTYLE),  ATTR_FONT,          cppu::UnoType<OUString>::get(),    0, MID_FONT_STYLE_NAME },
            {OUString(SC_UNO_CJK_CFSTYLE),  ATTR_CJK_FONT,      cppu::UnoType<OUString>::get(),    0, MID_FONT_STYLE_NAME },
            {OUString(SC_UNO_CTL_CFSTYLE),  ATTR_CTL_FONT,      cppu::UnoType<OUString>::get(),    0, MID_FONT_STYLE_NAME },
            {OUString(SC_UNONAME_CLOCAL),   ATTR_FONT_LANGUAGE, cppu::UnoType<lang::Locale>::get(),     0, MID_LANG_LOCALE },
            {OUString(SC_UNO_CJK_CLOCAL),   ATTR_CJK_FONT_LANGUAGE, cppu::UnoType<lang::Locale>::get(), 0, MID_LANG_LOCALE },
            {OUString(SC_UNO_CTL_CLOCAL),   ATTR_CTL_FONT_LANGUAGE, cppu::UnoType<lang::Locale>::get(), 0, MID_LANG_LOCALE },
            {OUString(SC_UNO_STANDARDDEC),              0,      cppu::UnoType<sal_Int16>::get(),        0, 0 },
            {OUString(SC_UNO_TABSTOPDIS),               0,      cppu::UnoType<sal_Int32>::get(),        0, 0 },
            { OUString(), 0, css::uno::Type(), 0, 0 }
        };
        return aDocDefaultsMap_Impl;
    }

    using sc::HMMToTwips;
    using sc::TwipsToEvenHMM;

    SC_SIMPLE_SERVICE_INFO( ScDocDefaultsObj, "ScDocDefaultsObj", "com.sun.star.sheet.Defaults" )

    ScDocDefaultsObj::ScDocDefaultsObj(ScDocShell* pDocSh) :
        pDocShell( pDocSh ),
        aPropertyMap(lcl_GetDocDefaultsMap())
    {
        pDocShell->GetDocument().AddUnoObject(*this);
    }

    ScDocDefaultsObj::~ScDocDefaultsObj()
    {
        SolarMutexGuard g;

        if (pDocShell)
            pDocShell->GetDocument().RemoveUnoObject(*this);
    }

    void ScDocDefaultsObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
    {
        if ( rHint.GetId() == SfxHintId::Dying )
        {
            pDocShell = nullptr;       // document gone
        }
    }

    void ScDocDefaultsObj::ItemsChanged()
    {
        if (pDocShell)
        {
            //! if not in XML import, adjust row heights

            pDocShell->PostPaint(ScRange(0, 0, 0, MAXCOL, MAXROW, MAXTAB), PaintPartFlags::Grid);
        }
    }

    // XPropertySet

    uno::Reference<beans::XPropertySetInfo> SAL_CALL ScDocDefaultsObj::getPropertySetInfo()
    {
        SolarMutexGuard aGuard;
        static uno::Reference<beans::XPropertySetInfo> aRef = new SfxItemPropertySetInfo(
                                                                            aPropertyMap );
        return aRef;
    }

    void SAL_CALL ScDocDefaultsObj::setPropertyValue(
                            const OUString& aPropertyName, const uno::Any& aValue )
    {
        SolarMutexGuard aGuard;

        if ( !pDocShell )
            throw uno::RuntimeException();

        const SfxItemPropertySimpleEntry* pEntry = aPropertyMap.getByName( aPropertyName );
        if ( !pEntry )
            throw beans::UnknownPropertyException();
        if(!pEntry->nWID)
        {
            if(aPropertyName ==SC_UNO_STANDARDDEC)
            {
                ScDocument& rDoc = pDocShell->GetDocument();
                ScDocOptions aDocOpt(rDoc.GetDocOptions());
                sal_Int16 nValue = 0;
                if (aValue >>= nValue)
                {
                    aDocOpt.SetStdPrecision(static_cast<sal_uInt16> (nValue));
                    rDoc.SetDocOptions(aDocOpt);
                }
            }
            else if (aPropertyName == SC_UNO_TABSTOPDIS)
            {
                ScDocument& rDoc = pDocShell->GetDocument();
                ScDocOptions aDocOpt(rDoc.GetDocOptions());
                sal_Int32 nValue = 0;
                if (aValue >>= nValue)
                {
                    aDocOpt.SetTabDistance(static_cast<sal_uInt16>(HMMToTwips(nValue)));
                    rDoc.SetDocOptions(aDocOpt);
                }
            }
        }
        else if ( pEntry->nWID == ATTR_FONT_LANGUAGE ||
                  pEntry->nWID == ATTR_CJK_FONT_LANGUAGE ||
                  pEntry->nWID == ATTR_CTL_FONT_LANGUAGE )
        {
            //  for getPropertyValue the PoolDefaults are sufficient,
            //  but setPropertyValue has to be handled differently

            lang::Locale aLocale;
            if ( aValue >>= aLocale )
            {
                LanguageType eNew;
                if (!aLocale.Language.isEmpty() || !aLocale.Country.isEmpty())
                    eNew = LanguageTag::convertToLanguageType( aLocale, false);
                else
                    eNew = LANGUAGE_NONE;

                ScDocument& rDoc = pDocShell->GetDocument();
                LanguageType eLatin, eCjk, eCtl;
                rDoc.GetLanguage( eLatin, eCjk, eCtl );

                if ( pEntry->nWID == ATTR_CJK_FONT_LANGUAGE )
                    eCjk = eNew;
                else if ( pEntry->nWID == ATTR_CTL_FONT_LANGUAGE )
                    eCtl = eNew;
                else
                    eLatin = eNew;

                rDoc.SetLanguage( eLatin, eCjk, eCtl );
            }
        }
        else
        {
            ScDocumentPool* pPool = pDocShell->GetDocument().GetPool();
            SfxPoolItem* pNewItem = pPool->GetDefaultItem(pEntry->nWID).Clone();

            if( !pNewItem->PutValue( aValue, pEntry->nMemberId ) )
                throw lang::IllegalArgumentException();

            pPool->SetPoolDefaultItem( *pNewItem );
            delete pNewItem;    // copied in SetPoolDefaultItem

            ItemsChanged();
        }
    }

    uno::Any SAL_CALL ScDocDefaultsObj::getPropertyValue( const OUString& aPropertyName )
    {
        //  use pool default if set

        SolarMutexGuard aGuard;

        if ( !pDocShell )
            throw uno::RuntimeException();

        uno::Any aRet;
        const SfxItemPropertySimpleEntry* pEntry = aPropertyMap.getByName( aPropertyName );
        if ( !pEntry )
            throw beans::UnknownPropertyException();

        if (!pEntry->nWID)
        {
            if(aPropertyName == SC_UNO_STANDARDDEC)
            {
                ScDocument& rDoc = pDocShell->GetDocument();
                const ScDocOptions& aDocOpt = rDoc.GetDocOptions();
                sal_uInt16 nPrec = aDocOpt.GetStdPrecision();
                // the max value of unsigned 16-bit integer is used as the flag
                // value for unlimited precision, c.f.
                // SvNumberFormatter::UNLIMITED_PRECISION.
                if (nPrec <= ::std::numeric_limits<sal_Int16>::max())
                    aRet <<= static_cast<sal_Int16> (nPrec);
            }
            else if (aPropertyName == SC_UNO_TABSTOPDIS)
            {
                ScDocument& rDoc = pDocShell->GetDocument();
                const ScDocOptions& aDocOpt = rDoc.GetDocOptions();
                sal_Int32 nValue (TwipsToEvenHMM(aDocOpt.GetTabDistance()));
                aRet <<= nValue;
            }
        }
        else
        {
            ScDocumentPool* pPool = pDocShell->GetDocument().GetPool();
            const SfxPoolItem& rItem = pPool->GetDefaultItem( pEntry->nWID );
            rItem.QueryValue( aRet, pEntry->nMemberId );
        }
        return aRet;
    }

    SC_IMPL_DUMMY_PROPERTY_LISTENER( ScDocDefaultsObj )

    // XPropertyState

    beans::PropertyState SAL_CALL ScDocDefaultsObj::getPropertyState( const OUString& aPropertyName )
    {
        SolarMutexGuard aGuard;

        if ( !pDocShell )
            throw uno::RuntimeException();

        const SfxItemPropertySimpleEntry* pEntry = aPropertyMap.getByName( aPropertyName );
        if ( !pEntry )
            throw beans::UnknownPropertyException();

        beans::PropertyState eRet = beans::PropertyState_DEFAULT_VALUE;

        sal_uInt16 nWID = pEntry->nWID;
        if ( nWID == ATTR_FONT || nWID == ATTR_CJK_FONT || nWID == ATTR_CTL_FONT || !nWID )
        {
            //  static default for font is system-dependent,
            //  so font default is always treated as "direct value".

            eRet = beans::PropertyState_DIRECT_VALUE;
        }
        else
        {
            //  check if pool default is set

            ScDocumentPool* pPool = pDocShell->GetDocument().GetPool();
            if ( pPool->GetPoolDefaultItem( nWID ) != nullptr )
                eRet = beans::PropertyState_DIRECT_VALUE;
        }

        return eRet;
    }

    uno::Sequence<beans::PropertyState> SAL_CALL ScDocDefaultsObj::getPropertyStates(
                                const uno::Sequence<OUString>& aPropertyNames )
    {
        //  the simple way: call getPropertyState

        SolarMutexGuard aGuard;
        const OUString* pNames = aPropertyNames.getConstArray();
        uno::Sequence<beans::PropertyState> aRet(aPropertyNames.getLength());
        beans::PropertyState* pStates = aRet.getArray();
        for(sal_Int32 i = 0; i < aPropertyNames.getLength(); i++)
            pStates[i] = getPropertyState(pNames[i]);
        return aRet;
    }

    void SAL_CALL ScDocDefaultsObj::setPropertyToDefault( const OUString& aPropertyName )
    {
        SolarMutexGuard aGuard;

        if ( !pDocShell )
            throw uno::RuntimeException();

        const SfxItemPropertySimpleEntry* pEntry = aPropertyMap.getByName( aPropertyName );
        if ( !pEntry )
            throw beans::UnknownPropertyException();

        if (pEntry->nWID)
        {
            ScDocumentPool* pPool = pDocShell->GetDocument().GetPool();
            pPool->ResetPoolDefaultItem( pEntry->nWID );

            ItemsChanged();
        }
    }

    uno::Any SAL_CALL ScDocDefaultsObj::getPropertyDefault( const OUString& aPropertyName )
    {
        //  always use static default

        SolarMutexGuard aGuard;

        if ( !pDocShell )
            throw uno::RuntimeException();

        const SfxItemPropertySimpleEntry* pEntry = aPropertyMap.getByName( aPropertyName );
        if ( !pEntry )
            throw beans::UnknownPropertyException();

        uno::Any aRet;
        if (pEntry->nWID)
        {
            ScDocumentPool* pPool = pDocShell->GetDocument().GetPool();
            const SfxPoolItem* pItem = pPool->GetItem2Default( pEntry->nWID );
            if (pItem)
                pItem->QueryValue( aRet, pEntry->nMemberId );
        }
        return aRet;
    }

    /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

↑ V524 It is odd that the body of 'removeVetoableChangeListener' function is fully equivalent to the body of 'addVetoableChangeListener' function.

↑ V524 It is odd that the body of 'removePropertyChangeListener' function is fully equivalent to the body of 'addPropertyChangeListener' function.