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path: root/WebCore/svg/SVGTextPositioningElement.cpp
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/*
    Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
                  2004, 2005, 2006, 2007, 2008 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 "SVGTextPositioningElement.h"

#include "Attribute.h"
#include "RenderObject.h"
#include "SVGLengthList.h"
#include "SVGNames.h"
#include "SVGNumberList.h"

namespace WebCore {

SVGTextPositioningElement::SVGTextPositioningElement(const QualifiedName& tagName, Document* doc)
    : SVGTextContentElement(tagName, doc)
    , m_x(SVGLengthList::create(SVGNames::xAttr))
    , m_y(SVGLengthList::create(SVGNames::yAttr))
    , m_dx(SVGLengthList::create(SVGNames::dxAttr))
    , m_dy(SVGLengthList::create(SVGNames::dyAttr))
    , m_rotate(SVGNumberList::create(SVGNames::rotateAttr))
{
}

SVGTextPositioningElement::~SVGTextPositioningElement()
{
}

void SVGTextPositioningElement::parseMappedAttribute(Attribute* attr)
{
    if (attr->name() == SVGNames::xAttr)
        xBaseValue()->parse(attr->value(), LengthModeWidth);
    else if (attr->name() == SVGNames::yAttr)
        yBaseValue()->parse(attr->value(), LengthModeHeight);
    else if (attr->name() == SVGNames::dxAttr)
        dxBaseValue()->parse(attr->value(), LengthModeWidth);
    else if (attr->name() == SVGNames::dyAttr)
        dyBaseValue()->parse(attr->value(), LengthModeHeight);
    else if (attr->name() == SVGNames::rotateAttr)
        rotateBaseValue()->parse(attr->value());
    else
        SVGTextContentElement::parseMappedAttribute(attr);
}

void SVGTextPositioningElement::svgAttributeChanged(const QualifiedName& attrName)
{
    SVGTextContentElement::svgAttributeChanged(attrName);

    if (!renderer())
        return;

    if (isKnownAttribute(attrName))
        renderer()->setNeedsLayout(true);
}

void SVGTextPositioningElement::synchronizeProperty(const QualifiedName& attrName)
{
    SVGTextContentElement::synchronizeProperty(attrName);

    if (attrName == anyQName()) {
        synchronizeX();
        synchronizeY();
        synchronizeDx();
        synchronizeDy();
        synchronizeRotate();
        return;
    }

    if (attrName == SVGNames::xAttr)
        synchronizeX();
    else if (attrName == SVGNames::yAttr)
        synchronizeY();
    else if (attrName == SVGNames::dxAttr)
        synchronizeDx();
    else if (attrName == SVGNames::dyAttr)
        synchronizeDy();
    else if (attrName == SVGNames::rotateAttr)
        synchronizeRotate();
}

bool SVGTextPositioningElement::isKnownAttribute(const QualifiedName& attrName)
{
    return (attrName.matches(SVGNames::xAttr) ||
            attrName.matches(SVGNames::yAttr) ||
            attrName.matches(SVGNames::dxAttr) ||
            attrName.matches(SVGNames::dyAttr) ||
            attrName.matches(SVGNames::rotateAttr) ||
            SVGTextContentElement::isKnownAttribute(attrName));
}

}

#endif // ENABLE(SVG)