/*
 * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
 * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
 * Copyright (C) 2005 Oliver Hunt <oliver@nerget.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#include "config.h"

#if ENABLE(SVG) && ENABLE(FILTERS)
#include "SVGFELightElement.h"

#include "Attribute.h"
#include "SVGFilterElement.h"
#include "SVGNames.h"

namespace WebCore {

SVGFELightElement::SVGFELightElement(const QualifiedName& tagName, Document* doc)
    : SVGElement(tagName, doc)
    , m_specularExponent(1.0f)
{
}

SVGFELightElement::~SVGFELightElement()
{
}

void SVGFELightElement::parseMappedAttribute(Attribute* attr)
{
    const String& value = attr->value();
    if (attr->name() == SVGNames::azimuthAttr)
        setAzimuthBaseValue(value.toFloat());
    else if (attr->name() == SVGNames::elevationAttr)
        setElevationBaseValue(value.toFloat());
    else if (attr->name() == SVGNames::xAttr)
        setXBaseValue(value.toFloat());
    else if (attr->name() == SVGNames::yAttr)
        setYBaseValue(value.toFloat());
    else if (attr->name() == SVGNames::zAttr)
        setZBaseValue(value.toFloat());
    else if (attr->name() == SVGNames::pointsAtXAttr)
        setPointsAtXBaseValue(value.toFloat());
    else if (attr->name() == SVGNames::pointsAtYAttr)
        setPointsAtYBaseValue(value.toFloat());
    else if (attr->name() == SVGNames::pointsAtZAttr)
        setPointsAtZBaseValue(value.toFloat());
    else if (attr->name() == SVGNames::specularExponentAttr)
        setSpecularExponentBaseValue(value.toFloat());
    else if (attr->name() == SVGNames::limitingConeAngleAttr)
        setLimitingConeAngleBaseValue(value.toFloat());
    else
        SVGElement::parseMappedAttribute(attr);
}

void SVGFELightElement::svgAttributeChanged(const QualifiedName& attrName)
{
    SVGElement::svgAttributeChanged(attrName);

    if (attrName == SVGNames::azimuthAttr
        || attrName == SVGNames::elevationAttr
        || attrName == SVGNames::xAttr
        || attrName == SVGNames::yAttr
        || attrName == SVGNames::zAttr
        || attrName == SVGNames::pointsAtXAttr
        || attrName == SVGNames::pointsAtYAttr
        || attrName == SVGNames::pointsAtZAttr
        || attrName == SVGNames::specularExponentAttr
        || attrName == SVGNames::limitingConeAngleAttr)
        SVGFilterElement::invalidateFilter(this);
}

void SVGFELightElement::synchronizeProperty(const QualifiedName& attrName)
{
    SVGElement::synchronizeProperty(attrName);

    if (attrName == anyQName()) {
        synchronizeAzimuth();
        synchronizeElevation();
        synchronizeX();
        synchronizeY();
        synchronizeZ();
        synchronizePointsAtX();
        synchronizePointsAtY();
        synchronizePointsAtZ();
        synchronizeSpecularExponent();
        synchronizeLimitingConeAngle();
        return;
    }

    if (attrName == SVGNames::azimuthAttr)
        synchronizeAzimuth();
    else if (attrName == SVGNames::elevationAttr)
        synchronizeElevation();
    else if (attrName == SVGNames::xAttr)
        synchronizeX();
    else if (attrName == SVGNames::yAttr)
        synchronizeY();
    else if (attrName == SVGNames::zAttr)
        synchronizeZ();
    else if (attrName == SVGNames::pointsAtXAttr)
        synchronizePointsAtX();
    else if (attrName == SVGNames::pointsAtYAttr)
        synchronizePointsAtY();
    else if (attrName == SVGNames::pointsAtZAttr)
        synchronizePointsAtZ();
    else if (attrName == SVGNames::specularExponentAttr)
        synchronizeSpecularExponent();
    else if (attrName == SVGNames::limitingConeAngleAttr)
        synchronizeLimitingConeAngle();
}

void SVGFELightElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
{
    SVGElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);

    if (!changedByParser)
        SVGFilterElement::invalidateFilter(this);
}

}

#endif // ENABLE(SVG)