/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_xmloff.hxx"
#include "MetaExportComponent.hxx"
#include <com/sun/star/frame/XModel.hpp>
#include <com/sun/star/xml/sax/XDocumentHandler.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/uno/Exception.hpp>
#include <com/sun/star/beans/PropertyAttribute.hpp>
#include <comphelper/genericpropertyset.hxx>
#include <rtl/ustrbuf.hxx>
#include "xmloff/xmlnmspe.hxx"
#include <xmloff/nmspmap.hxx>
#include <xmloff/xmltoken.hxx>
#include <xmloff/xmlmetae.hxx>
#include "PropertySetMerger.hxx"
#include <tools/debug.hxx>

#include <unotools/docinfohelper.hxx>


using namespace ::com::sun::star;
using namespace ::xmloff::token;

XMLMetaExportComponent::XMLMetaExportComponent(
    const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xServiceFactory,
        sal_uInt16 nFlags )
:   SvXMLExport( xServiceFactory, MAP_INCH, XML_TEXT, nFlags )
{
}

XMLMetaExportComponent::~XMLMetaExportComponent()
{
}

void SAL_CALL XMLMetaExportComponent::setSourceDocument( const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent >& xDoc ) throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException)
{
    try
    {
        SvXMLExport::setSourceDocument( xDoc );
    }
    catch( lang::IllegalArgumentException& )
    {
        // allow to use document properties service without model access
        // this is required for document properties exporter
        mxDocProps =
            uno::Reference< document::XDocumentProperties >::query( xDoc );
        if( !mxDocProps.is() )
            throw lang::IllegalArgumentException();
    }
}

sal_uInt32 XMLMetaExportComponent::exportDoc( enum XMLTokenEnum )
{
    uno::Reference< xml::sax::XDocumentHandler > xDocHandler = GetDocHandler();

    if( (getExportFlags() & EXPORT_OASIS) == 0 )
    {
        uno::Reference< lang::XMultiServiceFactory > xFactory = getServiceFactory();
        if( xFactory.is() )
        {
            try
            {
                ::comphelper::PropertyMapEntry aInfoMap[] =
                {
                    { "Class", sizeof("Class")-1, 0,
                        &::getCppuType((::rtl::OUString*)0),
                        beans::PropertyAttribute::MAYBEVOID, 0},
                    { NULL, 0, 0, NULL, 0, 0 }
                };
                uno::Reference< beans::XPropertySet > xConvPropSet(
                    ::comphelper::GenericPropertySet_CreateInstance(
                            new ::comphelper::PropertySetInfo( aInfoMap ) ) );

                uno::Any aAny;
                aAny <<= GetXMLToken( XML_TEXT );
                xConvPropSet->setPropertyValue(
                        ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Class")), aAny );

                uno::Reference< beans::XPropertySet > xPropSet =
                    getExportInfo().is()
                        ?  PropertySetMerger_CreateInstance( getExportInfo(),
                                                          xConvPropSet )
                        : getExportInfo();

                uno::Sequence< uno::Any > aArgs( 3 );
                aArgs[0] <<= xDocHandler;
                aArgs[1] <<= xPropSet;
                aArgs[2] <<= GetModel();

                // get filter component
                xDocHandler = uno::Reference< xml::sax::XDocumentHandler >(
                    xFactory->createInstanceWithArguments(
                        ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.comp.Oasis2OOoTransformer")),
                        aArgs),
                    uno::UNO_QUERY_THROW );

                SetDocHandler( xDocHandler );
            }
            catch( com::sun::star::uno::Exception& )
            {
                OSL_FAIL( "Cannot instantiate com.sun.star.comp.Oasis2OOoTransformer!\n");
            }
        }
    }


    xDocHandler->startDocument();
    {

        const SvXMLNamespaceMap& rMap = GetNamespaceMap();
        sal_uInt16 nPos = rMap.GetFirstKey();
        while( USHRT_MAX != nPos )
        {
            GetAttrList().AddAttribute( rMap.GetAttrNameByKey( nPos ), rMap.GetNameByKey( nPos ) );
            nPos = GetNamespaceMap().GetNextKey( nPos );
        }

        const sal_Char* pVersion = 0;
        switch( getDefaultVersion() )
        {
        case SvtSaveOptions::ODFVER_LATEST: pVersion = "1.2"; break;
        case SvtSaveOptions::ODFVER_012: pVersion = "1.2"; break;
        case SvtSaveOptions::ODFVER_011: pVersion = "1.1"; break;
        case SvtSaveOptions::ODFVER_010: break;

        default:
            OSL_FAIL("xmloff::XMLMetaExportComponent::exportDoc(), unexpected odf default version!");
        }

        if( pVersion )
            AddAttribute( XML_NAMESPACE_OFFICE, XML_VERSION,
                            ::rtl::OUString::createFromAscii(pVersion) );

            SvXMLElementExport aDocElem( *this, XML_NAMESPACE_OFFICE, XML_DOCUMENT_META,
                        sal_True, sal_True );

        // NB: office:meta is now written by _ExportMeta
        _ExportMeta();
    }
    xDocHandler->endDocument();
    return 0;
}

void XMLMetaExportComponent::_ExportMeta()
{
    if (mxDocProps.is()) {
        ::rtl::OUString generator( ::utl::DocInfoHelper::GetGeneratorString() );
        // update generator here
        mxDocProps->setGenerator(generator);
        SvXMLMetaExport * pMeta = new SvXMLMetaExport(*this, mxDocProps);
        uno::Reference<xml::sax::XDocumentHandler> xMeta(pMeta);
        pMeta->Export();
    } else {
        SvXMLExport::_ExportMeta();
    }
}

// methods without content:
void XMLMetaExportComponent::_ExportAutoStyles() {}
void XMLMetaExportComponent::_ExportMasterStyles() {}
void XMLMetaExportComponent::_ExportContent() {}


uno::Sequence< rtl::OUString > SAL_CALL XMLMetaExportComponent_getSupportedServiceNames()
    throw()
{
    const rtl::OUString aServiceName(
        RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.document.XMLOasisMetaExporter" ) );
    const uno::Sequence< rtl::OUString > aSeq( &aServiceName, 1 );
    return aSeq;
}

rtl::OUString SAL_CALL XMLMetaExportComponent_getImplementationName() throw()
{
    return rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "XMLMetaExportComponent" ) );
}

uno::Reference< uno::XInterface > SAL_CALL XMLMetaExportComponent_createInstance(
        const uno::Reference< lang::XMultiServiceFactory > & rSMgr)
    throw( uno::Exception )
{
    return (cppu::OWeakObject*)new XMLMetaExportComponent(rSMgr, EXPORT_META|EXPORT_OASIS);
}

uno::Sequence< rtl::OUString > SAL_CALL XMLMetaExportOOO_getSupportedServiceNames()
    throw()
{
    const rtl::OUString aServiceName(
        RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.document.XMLMetaExporter" ) );
    const uno::Sequence< rtl::OUString > aSeq( &aServiceName, 1 );
    return aSeq;
}

rtl::OUString SAL_CALL XMLMetaExportOOO_getImplementationName() throw()
{
    return rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "XMLMetaExportOOo" ) );
}

uno::Reference< uno::XInterface > SAL_CALL XMLMetaExportOOO_createInstance(
        const uno::Reference< lang::XMultiServiceFactory > & rSMgr)
    throw( uno::Exception )
{
    return (cppu::OWeakObject*)new XMLMetaExportComponent(rSMgr, EXPORT_META);
}

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