xmltexte.cxx

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

#include <string_view>

#include <comphelper/classids.hxx>
#include <com/sun/star/embed/XEmbeddedObject.hpp>
#include <com/sun/star/embed/XLinkageSupport.hpp>
#include <com/sun/star/document/XEmbeddedObjectSupplier.hpp>
#include <xmloff/families.hxx>
#include <xmloff/xmlnamespace.hxx>
#include <xmloff/xmltoken.hxx>
#include <xmloff/txtprmap.hxx>
#include <xmloff/maptype.hxx>
#include <xmloff/xmlexppr.hxx>

#include <ndole.hxx>
#include <fmtcntnt.hxx>
#include <unoframe.hxx>
#include "xmlexp.hxx"
#include "xmltexte.hxx"
#include <SwAppletImpl.hxx>
#include <ndindex.hxx>

#include <osl/diagnose.h>
#include <sot/exchange.hxx>
#include <svl/urihelper.hxx>
#include <sfx2/frmdescr.hxx>

using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::style;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::document;
using namespace ::com::sun::star::io;
using namespace ::xmloff::token;

namespace {

enum SvEmbeddedObjectTypes
{
    SV_EMBEDDED_OWN,
    SV_EMBEDDED_OUTPLACE,
    SV_EMBEDDED_APPLET,
    SV_EMBEDDED_PLUGIN,
    SV_EMBEDDED_FRAME
};

}

SwNoTextNode *SwXMLTextParagraphExport::GetNoTextNode(
    const Reference < XPropertySet >& rPropSet )
{
    Reference<XUnoTunnel> xCursorTunnel( rPropSet, UNO_QUERY );
    assert(xCursorTunnel.is() && "missing XUnoTunnel for embedded");
    SwXFrame* pFrame = comphelper::getFromUnoTunnel<SwXFrame>(xCursorTunnel);
    assert(pFrame && "SwXFrame missing");
    SwFrameFormat *pFrameFormat = pFrame->GetFrameFormat();
    const SwFormatContent& rContent = pFrameFormat->GetContent();
    const SwNodeIndex *pNdIdx = rContent.GetContentIdx();
    return  pNdIdx->GetNodes()[pNdIdx->GetIndex() + 1]->GetNoTextNode();
}

constexpr OUStringLiteral gsEmbeddedObjectProtocol( u"vnd.sun.star.EmbeddedObject:" );

SwXMLTextParagraphExport::SwXMLTextParagraphExport(
        SwXMLExport& rExp,
         SvXMLAutoStylePoolP& _rAutoStylePool ) :
    XMLTextParagraphExport( rExp, _rAutoStylePool ),
    m_aAppletClassId( SO3_APPLET_CLASSID ),
    m_aPluginClassId( SO3_PLUGIN_CLASSID ),
    m_aIFrameClassId( SO3_IFRAME_CLASSID )
{
}

SwXMLTextParagraphExport::~SwXMLTextParagraphExport()
{
}

static void lcl_addURL ( SvXMLExport &rExport, const OUString &rURL,
                         bool bToRel = true )
{
    const OUString sRelURL = ( bToRel && !rURL.isEmpty() )
        ? URIHelper::simpleNormalizedMakeRelative(rExport.GetOrigFileName(), rURL)
        : rURL;

    if (!sRelURL.isEmpty())
    {
        rExport.AddAttribute ( XML_NAMESPACE_XLINK, XML_HREF, sRelURL );
        rExport.AddAttribute ( XML_NAMESPACE_XLINK, XML_TYPE, XML_SIMPLE );
        rExport.AddAttribute ( XML_NAMESPACE_XLINK, XML_SHOW, XML_EMBED );
        rExport.AddAttribute ( XML_NAMESPACE_XLINK, XML_ACTUATE, XML_ONLOAD );
    }
}

static void lcl_addAspect(
        const svt::EmbeddedObjectRef& rObj,
        std::vector<XMLPropertyState>& rStates,
        const rtl::Reference < XMLPropertySetMapper >& rMapper )
{
    sal_Int64 nAspect = rObj.GetViewAspect();
    if ( nAspect )
        rStates.emplace_back( rMapper->FindEntryIndex( CTF_OLE_DRAW_ASPECT ), uno::makeAny( nAspect ) );
}

static void lcl_addOutplaceProperties(
        const svt::EmbeddedObjectRef& rObj,
        std::vector<XMLPropertyState>& rStates,
        const rtl::Reference < XMLPropertySetMapper >& rMapper )
{
    MapMode aMode( MapUnit::Map100thMM ); // the API expects this map mode for the embedded objects
    Size aSize = rObj.GetSize( &aMode ); // get the size in the requested map mode

    if( !(aSize.Width() && aSize.Height()) )
        return;

    rStates.emplace_back( rMapper->FindEntryIndex( CTF_OLE_VIS_AREA_LEFT ), Any(sal_Int32(0)) );
    rStates.emplace_back( rMapper->FindEntryIndex( CTF_OLE_VIS_AREA_TOP ), Any(sal_Int32(0)) );
    rStates.emplace_back( rMapper->FindEntryIndex( CTF_OLE_VIS_AREA_WIDTH ), Any(static_cast<sal_Int32>(aSize.Width())) );
    rStates.emplace_back( rMapper->FindEntryIndex( CTF_OLE_VIS_AREA_HEIGHT ), Any(static_cast<sal_Int32>(aSize.Height())) );
}

static void lcl_addFrameProperties(
        const uno::Reference < embed::XEmbeddedObject >& xObj,
        std::vector<XMLPropertyState>& rStates,
        const rtl::Reference < XMLPropertySetMapper >& rMapper )
{
    if ( !::svt::EmbeddedObjectRef::TryRunningState( xObj ) )
        return;

    uno::Reference < beans::XPropertySet > xSet( xObj->getComponent(), uno::UNO_QUERY );
    if ( !xSet.is() )
        return;

    bool bIsAutoScroll = false, bIsScrollingMode = false;
    Any aAny = xSet->getPropertyValue("FrameIsAutoScroll");
    aAny >>= bIsAutoScroll;
    if ( !bIsAutoScroll )
    {
        aAny = xSet->getPropertyValue("FrameIsScrollingMode");
        aAny >>= bIsScrollingMode;
    }

    bool bIsBorderSet = false, bIsAutoBorder = false;
    aAny = xSet->getPropertyValue("FrameIsAutoBorder");
    aAny >>= bIsAutoBorder;
    if ( !bIsAutoBorder )
    {
        aAny = xSet->getPropertyValue("FrameIsBorder");
        aAny >>= bIsBorderSet;
    }

    sal_Int32 nWidth, nHeight;
    aAny = xSet->getPropertyValue("FrameMarginWidth");
    aAny >>= nWidth;
    aAny = xSet->getPropertyValue("FrameMarginHeight");
    aAny >>= nHeight;

    if( !bIsAutoScroll )
        rStates.emplace_back( rMapper->FindEntryIndex( CTF_FRAME_DISPLAY_SCROLLBAR ), makeAny(bIsScrollingMode) );
    if( !bIsAutoBorder )
        rStates.emplace_back( rMapper->FindEntryIndex( CTF_FRAME_DISPLAY_BORDER ), makeAny(bIsBorderSet) );
    if( SIZE_NOT_SET != nWidth )
        rStates.emplace_back( rMapper->FindEntryIndex( CTF_FRAME_MARGIN_HORI ), Any(nWidth) );
    if( SIZE_NOT_SET != nHeight )
        rStates.emplace_back( rMapper->FindEntryIndex( CTF_FRAME_MARGIN_VERT ), Any(nHeight) );
}

void SwXMLTextParagraphExport::_collectTextEmbeddedAutoStyles(
        const Reference < XPropertySet > & rPropSet )
{
    SwOLENode *pOLENd = GetNoTextNode( rPropSet )->GetOLENode();
    svt::EmbeddedObjectRef& rObjRef = pOLENd->GetOLEObj().GetObject();
    if( !rObjRef.is() )
        return;

    std::vector<XMLPropertyState> aStates;
    aStates.reserve(8);
    SvGlobalName aClassId( rObjRef->getClassID() );

    if( m_aIFrameClassId == aClassId )
    {
        lcl_addFrameProperties( rObjRef.GetObject(), aStates,
               GetAutoFramePropMapper()->getPropertySetMapper() );
    }
    else if ( !SotExchange::IsInternal( aClassId ) )
    {
        lcl_addOutplaceProperties( rObjRef, aStates,
               GetAutoFramePropMapper()->getPropertySetMapper() );
    }

    lcl_addAspect( rObjRef, aStates,
           GetAutoFramePropMapper()->getPropertySetMapper() );

    Add( XmlStyleFamily::TEXT_FRAME, rPropSet, { aStates.data(), aStates.size() } );
}

void SwXMLTextParagraphExport::_exportTextEmbedded(
        const Reference < XPropertySet > & rPropSet,
        const Reference < XPropertySetInfo > & rPropSetInfo )
{
    SwOLENode *pOLENd = GetNoTextNode( rPropSet )->GetOLENode();
    SwOLEObj& rOLEObj = pOLENd->GetOLEObj();
    svt::EmbeddedObjectRef& rObjRef = rOLEObj.GetObject();
    if( !rObjRef.is() )
        return;

    SvGlobalName aClassId( rObjRef->getClassID() );

    SvEmbeddedObjectTypes nType = SV_EMBEDDED_OWN;
    if( m_aPluginClassId == aClassId )
    {
        nType = SV_EMBEDDED_PLUGIN;
    }
    else if( m_aAppletClassId == aClassId )
    {
        nType = SV_EMBEDDED_APPLET;
    }
    else if( m_aIFrameClassId == aClassId )
    {
        nType = SV_EMBEDDED_FRAME;
    }
    else if ( !SotExchange::IsInternal( aClassId ) )
    {
        nType = SV_EMBEDDED_OUTPLACE;
    }

    enum XMLTokenEnum eElementName = XML__UNKNOWN_;
    SvXMLExport &rXMLExport = GetExport();

    // First the stuff common to each of Applet/Plugin/Floating Frame
    OUString sStyle;
    Any aAny;
    if( rPropSetInfo->hasPropertyByName( gsFrameStyleName ) )
    {
        aAny = rPropSet->getPropertyValue( gsFrameStyleName );
        aAny >>= sStyle;
    }

    std::vector<XMLPropertyState> aStates;
    aStates.reserve(8);
    switch( nType )
    {
    case SV_EMBEDDED_FRAME:
        lcl_addFrameProperties( rObjRef.GetObject(), aStates,
            GetAutoFramePropMapper()->getPropertySetMapper() );
        break;
    case SV_EMBEDDED_OUTPLACE:
        lcl_addOutplaceProperties( rObjRef, aStates,
            GetAutoFramePropMapper()->getPropertySetMapper() );
        break;
    default:
        ;
    }

    lcl_addAspect( rObjRef, aStates,
        GetAutoFramePropMapper()->getPropertySetMapper() );

    const OUString sAutoStyle = Find( XmlStyleFamily::TEXT_FRAME,
                                      rPropSet, sStyle, { aStates.data(), aStates.size() } );
    aStates.clear();

    if( !sAutoStyle.isEmpty() )
        rXMLExport.AddAttribute( XML_NAMESPACE_DRAW, XML_STYLE_NAME, sAutoStyle );
    addTextFrameAttributes( rPropSet, false );

    SvXMLElementExport aElem( GetExport(), XML_NAMESPACE_DRAW,
                              XML_FRAME, false, true );

    switch (nType)
    {
    case SV_EMBEDDED_OUTPLACE:
    case SV_EMBEDDED_OWN:
        if( !(rXMLExport.getExportFlags() & SvXMLExportFlags::EMBEDDED) )
        {
            OUString sURL;

            bool bIsOwnLink = false;
            if( SV_EMBEDDED_OWN == nType )
            {
                try
                {
                    uno::Reference< embed::XLinkageSupport > xLinkage( rObjRef.GetObject(), uno::UNO_QUERY );
                    bIsOwnLink = xLinkage.is() && xLinkage->isLink();
                    if ( bIsOwnLink )
                        sURL = xLinkage->getLinkURL();
                }
                catch(const uno::Exception&)
                {
                    // TODO/LATER: error handling
                    OSL_FAIL( "Link detection or retrieving of the URL of OOo link is failed!" );
                }
            }

            if ( !bIsOwnLink )
            {
                sURL = gsEmbeddedObjectProtocol + rOLEObj.GetCurrentPersistName();
            }

            sURL = GetExport().AddEmbeddedObject( sURL );
            lcl_addURL( rXMLExport, sURL, false );
        }
        if( SV_EMBEDDED_OWN == nType && !pOLENd->GetChartTableName().isEmpty() )
        {
            OUString sRange( pOLENd->GetChartTableName() );
            OUStringBuffer aBuffer( sRange.getLength() + 2 );
            for( sal_Int32 i=0; i < sRange.getLength(); i++ )
            {
                sal_Unicode c = sRange[i];
                switch( c  )
                {
                    case ' ':
                    case '.':
                    case '\'':
                    case '\\':
                        if( aBuffer.isEmpty() )
                        {
                            aBuffer.append( '\'' );
                            aBuffer.append( sRange.subView(0, i) );
                        }
                        if( '\'' == c || '\\' == c )
                            aBuffer.append( '\\' );
                        [[fallthrough]];
                    default:
                        if( !aBuffer.isEmpty() )
                            aBuffer.append( c );
                }
            }
            if( !aBuffer.isEmpty() )
            {
                aBuffer.append( '\'' );
                sRange = aBuffer.makeStringAndClear();
            }

            rXMLExport.AddAttribute( XML_NAMESPACE_DRAW, XML_NOTIFY_ON_UPDATE_OF_RANGES,
            sRange );
        }
        eElementName = SV_EMBEDDED_OUTPLACE==nType ? XML_OBJECT_OLE
                                                   : XML_OBJECT;
        break;
    case SV_EMBEDDED_APPLET:
        {
            // It's an applet!
            if( svt::EmbeddedObjectRef::TryRunningState( rObjRef.GetObject() ) )
            {
                uno::Reference < beans::XPropertySet > xSet( rObjRef->getComponent(), uno::UNO_QUERY );
                OUString aStr;
                Any aAny2 = xSet->getPropertyValue("AppletCodeBase");
                aAny2 >>= aStr;
                if (!aStr.isEmpty() )
                    lcl_addURL(rXMLExport, aStr);

                aAny2 = xSet->getPropertyValue("AppletName");
                aAny2 >>= aStr;
                if (!aStr.isEmpty())
                    rXMLExport.AddAttribute( XML_NAMESPACE_DRAW, XML_APPLET_NAME, aStr );

                aAny2 = xSet->getPropertyValue("AppletCode");
                aAny2 >>= aStr;
                rXMLExport.AddAttribute( XML_NAMESPACE_DRAW, XML_CODE, aStr );

                bool bScript = false;
                aAny2 = xSet->getPropertyValue("AppletIsScript");
                aAny2 >>= bScript;
                rXMLExport.AddAttribute( XML_NAMESPACE_DRAW, XML_MAY_SCRIPT, bScript ? XML_TRUE : XML_FALSE );

                uno::Sequence < beans::PropertyValue > aProps;
                aAny2 = xSet->getPropertyValue("AppletCommands");
                aAny2 >>= aProps;

                sal_Int32 i = aProps.getLength();
                while ( i > 0 )
                {
                    beans::PropertyValue& aProp = aProps[--i];
                    const SwHtmlOptType nType2 = SwApplet_Impl::GetOptionType( aProp.Name, true );
                    if ( nType2 == SwHtmlOptType::TAG)
                    {
                        OUString aStr2;
                        aProp.Value >>= aStr2;
                        rXMLExport.AddAttribute( XML_NAMESPACE_DRAW, aProp.Name, aStr2);
                    }
                }

                eElementName = XML_APPLET;
            }
        }
        break;
    case SV_EMBEDDED_PLUGIN:
        {
            // It's a plugin!
            if ( svt::EmbeddedObjectRef::TryRunningState( rObjRef.GetObject() ) )
            {
                uno::Reference < beans::XPropertySet > xSet( rObjRef->getComponent(), uno::UNO_QUERY );
                OUString aStr;
                Any aAny2 = xSet->getPropertyValue("PluginURL");
                aAny2 >>= aStr;
                lcl_addURL( rXMLExport, aStr );

                aAny2 = xSet->getPropertyValue("PluginMimeType");
                aAny2 >>= aStr;
                if (!aStr.isEmpty())
                    rXMLExport.AddAttribute( XML_NAMESPACE_DRAW, XML_MIME_TYPE, aStr );
                eElementName = XML_PLUGIN;
            }
        }
        break;
    case SV_EMBEDDED_FRAME:
        {
            // It's a floating frame!
            if ( svt::EmbeddedObjectRef::TryRunningState( rObjRef.GetObject() ) )
            {
                uno::Reference < beans::XPropertySet > xSet( rObjRef->getComponent(), uno::UNO_QUERY );
                OUString aStr;
                Any aAny2 = xSet->getPropertyValue("FrameURL");
                aAny2 >>= aStr;

                lcl_addURL( rXMLExport, aStr );

                aAny2 = xSet->getPropertyValue("FrameName");
                aAny2 >>= aStr;

                if (!aStr.isEmpty())
                    rXMLExport.AddAttribute( XML_NAMESPACE_DRAW, XML_FRAME_NAME, aStr );
                eElementName = XML_FLOATING_FRAME;
            }
        }
        break;
    default:
        OSL_ENSURE( false, "unknown object type! Base class should have been called!" );
    }

    {
        SvXMLElementExport aElementExport( rXMLExport, XML_NAMESPACE_DRAW, eElementName,
                                      false, true );
        switch( nType )
        {
        case SV_EMBEDDED_OWN:
            if( rXMLExport.getExportFlags() & SvXMLExportFlags::EMBEDDED )
            {
                Reference < XEmbeddedObjectSupplier > xEOS( rPropSet, UNO_QUERY );
                OSL_ENSURE( xEOS.is(), "no embedded object supplier for own object" );
                Reference < XComponent > xComp = xEOS->getEmbeddedObject();
                rXMLExport.ExportEmbeddedOwnObject( xComp );
            }
            break;
        case SV_EMBEDDED_OUTPLACE:
            if( rXMLExport.getExportFlags() & SvXMLExportFlags::EMBEDDED )
            {
                OUString sURL( gsEmbeddedObjectProtocol + rOLEObj.GetCurrentPersistName() );

                if ( !( rXMLExport.getExportFlags() & SvXMLExportFlags::OASIS ) )
                    sURL += "?oasis=false";

                rXMLExport.AddEmbeddedObjectAsBase64( sURL );
            }
            break;
        case SV_EMBEDDED_APPLET:
            {
                if ( svt::EmbeddedObjectRef::TryRunningState( rObjRef.GetObject() ) )
                {
                    uno::Reference < beans::XPropertySet > xSet( rObjRef->getComponent(), uno::UNO_QUERY );
                    uno::Sequence < beans::PropertyValue > aProps;
                    aAny = xSet->getPropertyValue("AppletCommands");
                    aAny >>= aProps;

                    sal_Int32 i = aProps.getLength();
                    while ( i > 0 )
                    {
                        beans::PropertyValue& aProp = aProps[--i];
                        const SwHtmlOptType nType2 = SwApplet_Impl::GetOptionType( aProp.Name, true );
                        if (SwHtmlOptType::PARAM == nType2 || SwHtmlOptType::SIZE == nType2 )
                        {
                            OUString aStr;
                            aProp.Value >>= aStr;
                            rXMLExport.AddAttribute( XML_NAMESPACE_DRAW, XML_NAME, aProp.Name );
                            rXMLExport.AddAttribute( XML_NAMESPACE_DRAW, XML_VALUE, aStr );
                            SvXMLElementExport aElementExport2( rXMLExport, XML_NAMESPACE_DRAW, XML_PARAM, false, true );
                        }
                    }
                }
            }
            break;
        case SV_EMBEDDED_PLUGIN:
            {
                if ( svt::EmbeddedObjectRef::TryRunningState( rObjRef.GetObject() ) )
                {
                    uno::Reference < beans::XPropertySet > xSet( rObjRef->getComponent(), uno::UNO_QUERY );
                    uno::Sequence < beans::PropertyValue > aProps;
                    aAny = xSet->getPropertyValue("PluginCommands");
                    aAny >>= aProps;

                    sal_Int32 i = aProps.getLength();
                    while ( i > 0 )
                    {
                        beans::PropertyValue& aProp = aProps[--i];
                        const SwHtmlOptType nType2 = SwApplet_Impl::GetOptionType( aProp.Name, false );
                        if ( nType2 == SwHtmlOptType::TAG)
                        {
                            OUString aStr;
                            aProp.Value >>= aStr;
                            rXMLExport.AddAttribute( XML_NAMESPACE_DRAW, XML_NAME, aProp.Name );
                            rXMLExport.AddAttribute( XML_NAMESPACE_DRAW, XML_VALUE, aStr );
                            SvXMLElementExport aElementExport2( rXMLExport, XML_NAMESPACE_DRAW, XML_PARAM, false, true );
                        }
                    }
                }
            }
            break;
        default:
            break;
        }
    }
    if( SV_EMBEDDED_OUTPLACE==nType || SV_EMBEDDED_OWN==nType )
    {
        OUString sURL = XML_EMBEDDEDOBJECTGRAPHIC_URL_BASE + rOLEObj.GetCurrentPersistName();
        if( !(rXMLExport.getExportFlags() & SvXMLExportFlags::EMBEDDED) )
        {
            sURL = GetExport().AddEmbeddedObject( sURL );
            lcl_addURL( rXMLExport, sURL, false );
        }

        SvXMLElementExport aElementExport( GetExport(), XML_NAMESPACE_DRAW,
                                  XML_IMAGE, false, true );

        if( rXMLExport.getExportFlags() & SvXMLExportFlags::EMBEDDED )
            GetExport().AddEmbeddedObjectAsBase64( sURL );
    }

    // Lastly the stuff common to each of Applet/Plugin/Floating Frame
    exportEvents( rPropSet );
    exportTitleAndDescription( rPropSet, rPropSetInfo );  // #i73249#
    exportContour( rPropSet, rPropSetInfo );
}

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