/*

    Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>

                  2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>

    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)

#include "SVGCursorElement.h"

#include "Attr.h"

#include "Document.h"

#include "SVGLength.h"

#include "SVGNames.h"

namespace WebCore {

SVGCursorElement::SVGCursorElement(const QualifiedName& tagName, Document* doc)

    : SVGElement(tagName, doc)

    , SVGTests()

    , SVGExternalResourcesRequired()

    , SVGURIReference()

    , m_x(LengthModeWidth)

    , m_y(LengthModeHeight)

{

}

SVGCursorElement::~SVGCursorElement()

{

    HashSet<SVGElement*>::iterator end = m_clients.end();

    for (HashSet<SVGElement*>::iterator it = m_clients.begin(); it != end; ++it)

        (*it)->setCursorElement(0);

}

void SVGCursorElement::parseMappedAttribute(Attribute* attr)

{

    if (attr->name() == SVGNames::xAttr)

        setXBaseValue(SVGLength(LengthModeWidth, attr->value()));

    else if (attr->name() == SVGNames::yAttr)

        setYBaseValue(SVGLength(LengthModeHeight, attr->value()));

    else {

        if (SVGTests::parseMappedAttribute(attr))

            return;

        if (SVGExternalResourcesRequired::parseMappedAttribute(attr))

            return;

        if (SVGURIReference::parseMappedAttribute(attr))

            return;

        SVGElement::parseMappedAttribute(attr);

    }

}

void SVGCursorElement::addClient(SVGElement* element)

{

    m_clients.add(element);

    element->setCursorElement(this);

}

void SVGCursorElement::removeClient(SVGElement* element)

{

    m_clients.remove(element);

    element->setCursorElement(0);

}

void SVGCursorElement::svgAttributeChanged(const QualifiedName& attrName)

{

    SVGElement::svgAttributeChanged(attrName);

    if (attrName == SVGNames::xAttr || attrName == SVGNames::yAttr ||

        SVGTests::isKnownAttribute(attrName) ||

        SVGExternalResourcesRequired::isKnownAttribute(attrName) ||

        SVGURIReference::isKnownAttribute(attrName)) {

        HashSet<SVGElement*>::const_iterator it = m_clients.begin();

        HashSet<SVGElement*>::const_iterator end = m_clients.end();

        for (; it != end; ++it)

            (*it)->setNeedsStyleRecalc();

    }

}

void SVGCursorElement::synchronizeProperty(const QualifiedName& attrName)

{

    SVGElement::synchronizeProperty(attrName);

    if (attrName == anyQName()) {

        synchronizeX();

        synchronizeY();

        synchronizeExternalResourcesRequired();

        synchronizeHref();

        return;

    }

    if (attrName == SVGNames::xAttr)

        synchronizeX();

    else if (attrName == SVGNames::yAttr)

        synchronizeY();

    else if (SVGExternalResourcesRequired::isKnownAttribute(attrName))

        synchronizeExternalResourcesRequired();

    else if (SVGURIReference::isKnownAttribute(attrName))

        synchronizeHref();

}

void SVGCursorElement::addSubresourceAttributeURLs(ListHashSet<KURL>& urls) const

{

    SVGElement::addSubresourceAttributeURLs(urls);

    addSubresourceURL(urls, document()->completeURL(href()));

}

}

#endif // ENABLE(SVG)