/* -*- 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 "XMLSymbolImageContext.hxx"

#include <xmloff/xmltoken.hxx>

#include <xmloff/xmlnamespace.hxx>

#include <xmloff/xmlimp.hxx>

#include <xmloff/XMLBase64ImportContext.hxx>

#include <com/sun/star/graphic/XGraphic.hpp>

#include <sal/log.hxx>

using namespace css;

using namespace xmloff::token;

XMLSymbolImageContext::XMLSymbolImageContext(

    SvXMLImport& rImport, sal_Int32 nElement,

    const XMLPropertyState& rProp,

    ::std::vector< XMLPropertyState > &rProps ) :

        XMLElementPropertyContext(

            rImport, nElement, rProp, rProps )

{

}

XMLSymbolImageContext::~XMLSymbolImageContext()

{}

void XMLSymbolImageContext::startFastElement(

    sal_Int32 /*nElement*/,

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

{

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

    {

        const OUString sValue = aIter.toString();

        switch( aIter.getToken() )

        {

            case XML_ELEMENT(XLINK, XML_HREF):

                msURL = sValue;

                break;

            case XML_ELEMENT(XLINK, XML_ACTUATE):

            case XML_ELEMENT(XLINK, XML_TYPE):

            case XML_ELEMENT(XLINK, XML_SHOW):

                // these values are currently not interpreted

                // it is always assumed 'actuate=onLoad', 'type=simple', 'show=embed'

                break;

            default:

                XMLOFF_WARN_UNKNOWN("xmloff", aIter);

        }

    }

}

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

    sal_Int32 nElement,

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

{

    if( (nElement & TOKEN_MASK) == xmloff::token::XML_BINARY_DATA )

    {

        if( msURL.isEmpty() && ! mxBase64Stream.is() )

        {

            mxBase64Stream = GetImport().GetStreamForGraphicObjectURLFromBase64();

            if( mxBase64Stream.is() )

                return new XMLBase64ImportContext( GetImport(), mxBase64Stream );

        }

    }

    XMLOFF_WARN_UNKNOWN_ELEMENT("xmloff", nElement);

    return nullptr;

}

void XMLSymbolImageContext::endFastElement(sal_Int32 nElement)

{

    uno::Reference<graphic::XGraphic> xGraphic;

    if (!msURL.isEmpty())

    {

        xGraphic = GetImport().loadGraphicByURL(msURL);

    }

    else if (mxBase64Stream.is())

    {

        xGraphic = GetImport().loadGraphicFromBase64(mxBase64Stream);

        mxBase64Stream = nullptr;

    }

    if (xGraphic.is())

    {

        // aProp is a member of XMLElementPropertyContext

        aProp.maValue <<= xGraphic;

        SetInsert( true );

    }

    XMLElementPropertyContext::endFastElement(nElement);

}

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