/* -*- 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 <sal/log.hxx>

#include <comphelper/diagnose_ex.hxx>

#include <com/sun/star/drawing/XLayerManager.hpp>

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

#include <com/sun/star/frame/XModel.hpp>

#include <com/sun/star/drawing/XLayerSupplier.hpp>

#include <xmloff/xmltoken.hxx>

#include <xmloff/xmlimp.hxx>

#include <xmloff/xmlnamespace.hxx>

#include "layerimp.hxx"

#include <XMLStringBufferImportContext.hxx>

using namespace ::xmloff::token;

using namespace ::com::sun::star;

using namespace ::com::sun::star::xml;

using namespace ::com::sun::star::xml::sax;

using namespace ::com::sun::star::uno;

using namespace ::com::sun::star::drawing;

using namespace ::com::sun::star::beans;

using namespace ::com::sun::star::container;

namespace {

class SdXMLLayerContext : public SvXMLImportContext

{

public:

    SdXMLLayerContext( SvXMLImport& rImport, const Reference< XFastAttributeList >& xAttrList, const Reference< XNameAccess >& xLayerManager );

    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 SAL_CALL endFastElement(sal_Int32 nElement) override;

private:

    css::uno::Reference< css::container::XNameAccess > mxLayerManager;

    OUString msName;

    OUStringBuffer sDescriptionBuffer;

    OUStringBuffer sTitleBuffer;

    OUString msDisplay;

    OUString msProtected;

};

}

SdXMLLayerContext::SdXMLLayerContext( SvXMLImport& rImport, const Reference< XFastAttributeList >& xAttrList, const Reference< XNameAccess >& xLayerManager )

: SvXMLImportContext(rImport)

, mxLayerManager( xLayerManager )

{

    for( auto& aIter : sax_fastparser::castToFastAttributeList(xAttrList) )

    {

        OUString sValue = aIter.toString();

        switch(aIter.getToken())

        {

            case XML_ELEMENT(DRAW, XML_NAME):

                msName = sValue;

                break;

            case XML_ELEMENT(DRAW, XML_DISPLAY):

                msDisplay = sValue;

                break;

            case XML_ELEMENT(DRAW, XML_PROTECTED):

                msProtected = sValue;

                break;

            default:

                XMLOFF_WARN_UNKNOWN("xmloff", aIter);

        }

    }

}

css::uno::Reference< css::xml::sax::XFastContextHandler > SdXMLLayerContext::createFastChildContext(

    sal_Int32 nElement,

    const css::uno::Reference< css::xml::sax::XFastAttributeList >&  )

{

    if( nElement == XML_ELEMENT(SVG, XML_TITLE) || nElement == XML_ELEMENT(SVG_COMPAT, XML_TITLE) )

    {

        return new XMLStringBufferImportContext( GetImport(), sTitleBuffer);

    }

    else if( nElement == XML_ELEMENT(SVG, XML_DESC) || nElement == XML_ELEMENT(SVG_COMPAT, XML_DESC) )

    {

        return new XMLStringBufferImportContext( GetImport(), sDescriptionBuffer);

    }

    else

        XMLOFF_WARN_UNKNOWN_ELEMENT("xmloff", nElement);

    return nullptr;

}

void SdXMLLayerContext::endFastElement(sal_Int32 )

{

    SAL_WARN_IF( msName.isEmpty(), "xmloff", "xmloff::SdXMLLayerContext::EndElement(), draw:layer element without draw:name!" );

    if( msName.isEmpty() )

        return;

    try

    {

        Reference< XPropertySet > xLayer;

        if( mxLayerManager->hasByName( msName ) )

        {

            mxLayerManager->getByName( msName ) >>= xLayer;

            SAL_WARN_IF( !xLayer.is(), "xmloff", "xmloff::SdXMLLayerContext::EndElement(), failed to get existing XLayer!" );

        }

        else

        {

            Reference< XLayerManager > xLayerManager( mxLayerManager, UNO_QUERY );

            if( xLayerManager.is() )

                xLayer = xLayerManager->insertNewByIndex( xLayerManager->getCount() );

            SAL_WARN_IF( !xLayer.is(), "xmloff", "xmloff::SdXMLLayerContext::EndElement(), failed to create new XLayer!" );

            if( xLayer.is() )

                xLayer->setPropertyValue(u"Name"_ustr, Any( msName ) );

        }

        if( xLayer.is() )

        {

            xLayer->setPropertyValue(u"Title"_ustr, Any( sTitleBuffer.makeStringAndClear() ) );

            xLayer->setPropertyValue(u"Description"_ustr, Any( sDescriptionBuffer.makeStringAndClear() ) );

            bool bIsVisible( true );

            bool bIsPrintable( true );

            if ( !msDisplay.isEmpty() )

            {

                bIsVisible = (msDisplay == "always") || (msDisplay == "screen");

                bIsPrintable = (msDisplay == "always") || (msDisplay == "printer");

            }

            xLayer->setPropertyValue(u"IsVisible"_ustr, Any( bIsVisible ) );

            xLayer->setPropertyValue(u"IsPrintable"_ustr, Any( bIsPrintable ) );

            bool bIsLocked( false );

            if ( !msProtected.isEmpty() )

                bIsLocked = (msProtected == "true");

            xLayer->setPropertyValue(u"IsLocked"_ustr, Any( bIsLocked ) );

            // tdf#129898 repair layer "DrawnInSlideshow", which was wrongly written

            // in LO 6.2 to 6.4. It should always have ODF defaults.

            if (msName == "DrawnInSlideshow")

            {

                xLayer->setPropertyValue(u"IsVisible"_ustr, Any(true));

                xLayer->setPropertyValue(u"IsPrintable"_ustr, Any(true));

                xLayer->setPropertyValue(u"IsLocked"_ustr, Any(false));

            }

        }

    }

    catch( Exception& )

    {

        TOOLS_WARN_EXCEPTION("xmloff.draw", "");

    }

}

SdXMLLayerSetContext::SdXMLLayerSetContext( SvXMLImport& rImport )

: SvXMLImportContext(rImport)

{

    Reference< XLayerSupplier > xLayerSupplier( rImport.GetModel(), UNO_QUERY );

    SAL_WARN_IF( !xLayerSupplier.is(), "xmloff", "xmloff::SdXMLLayerSetContext::SdXMLLayerSetContext(), XModel is not supporting XLayerSupplier!" );

    if( xLayerSupplier.is() )

        mxLayerManager = xLayerSupplier->getLayerManager();

}

SdXMLLayerSetContext::~SdXMLLayerSetContext()

{

}

css::uno::Reference< css::xml::sax::XFastContextHandler > SdXMLLayerSetContext::createFastChildContext(

    sal_Int32 /*nElement*/,

    const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList )

{

    return new SdXMLLayerContext( GetImport(), xAttrList, mxLayerManager );

}

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