/* -*- 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 <svgswitchnode.hxx>

#include <basegfx/matrix/b2dhommatrix.hxx>

#include <drawinglayer/primitive2d/transformprimitive2d.hxx>

#include <i18nlangtag/languagetag.hxx>

#include <unotools/syslocaleoptions.hxx>

namespace svgio::svgreader

{

SvgSwitchNode::SvgSwitchNode(SvgDocument& rDocument, SvgNode* pParent)

    : SvgNode(SVGToken::Switch, rDocument, pParent)

    , maSvgStyleAttributes(*this)

{

}

SvgSwitchNode::~SvgSwitchNode() {}

const SvgStyleAttributes* SvgSwitchNode::getSvgStyleAttributes() const

{

    return checkForCssStyle(maSvgStyleAttributes);

}

void SvgSwitchNode::parseAttribute(SVGToken aSVGToken, const OUString& aContent)

{

    // call parent

    SvgNode::parseAttribute(aSVGToken, aContent);

    // read style attributes

    maSvgStyleAttributes.parseStyleAttribute(aSVGToken, aContent);

    // parse own

    switch (aSVGToken)

    {

        case SVGToken::Style:

        {

            readLocalCssStyle(aContent);

            break;

        }

        case SVGToken::Transform:

        {

            const basegfx::B2DHomMatrix aMatrix(readTransform(aContent, *this));

            if (!aMatrix.isIdentity())

            {

                setTransform(aMatrix);

            }

            break;

        }

        default:

        {

            break;

        }

    }

}

void SvgSwitchNode::decomposeSvgNode(drawinglayer::primitive2d::Primitive2DContainer& rTarget,

                                     bool bReferenced) const

{

    // #i125258# for SVGTokenG decompose children

    const SvgStyleAttributes* pStyle = getSvgStyleAttributes();

    if (pStyle)

    {

        drawinglayer::primitive2d::Primitive2DContainer aContent;

        const auto& rChildren = getChildren();

        const sal_uInt32 nCount(rChildren.size());

        OUString sLanguage(SvtSysLocaleOptions().GetRealUILanguageTag().getLanguage());

        SvgNode* pNodeToDecompose = nullptr;

        for (sal_uInt32 a(0); a < nCount; a++)

        {

            SvgNode* pCandidate = rChildren[a].get();

            if (pCandidate && Display::None != pCandidate->getDisplay())

            {

                std::vector<OUString> aSystemLanguage = pCandidate->getSystemLanguage();

                if (!sLanguage.isEmpty() && !aSystemLanguage.empty())

                {

                    for (const OUString& sSystemLang : aSystemLanguage)

                    {

                        if (sSystemLang == sLanguage)

                        {

                            pNodeToDecompose = pCandidate;

                            break;

                        }

                    }

                }

                else

                {

                    pNodeToDecompose = pCandidate;

                }

            }

            if (pNodeToDecompose)

            {

                pNodeToDecompose->decomposeSvgNode(aContent, bReferenced);

                // break once it's decomposed

                break;

            }

        }

        if (!aContent.empty())

        {

            pStyle->add_postProcess(rTarget, std::move(aContent), getTransform());

        }

    }

}

} // end of namespace svgio::svgreader

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