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      1 /*
      2  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann (at) kde.org>
      3  * Copyright (C) 2004, 2005, 2007 Rob Buis <buis (at) kde.org>
      4  *
      5  * This library is free software; you can redistribute it and/or
      6  * modify it under the terms of the GNU Library General Public
      7  * License as published by the Free Software Foundation; either
      8  * version 2 of the License, or (at your option) any later version.
      9  *
     10  * This library is distributed in the hope that it will be useful,
     11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13  * Library General Public License for more details.
     14  *
     15  * You should have received a copy of the GNU Library General Public License
     16  * along with this library; see the file COPYING.LIB.  If not, write to
     17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     18  * Boston, MA 02110-1301, USA.
     19  */
     20 
     21 #include "config.h"
     22 
     23 #include "core/svg/SVGViewElement.h"
     24 
     25 namespace blink {
     26 
     27 inline SVGViewElement::SVGViewElement(Document& document)
     28     : SVGElement(SVGNames::viewTag, document)
     29     , SVGFitToViewBox(this)
     30     , m_viewTarget(SVGStaticStringList::create(this, SVGNames::viewTargetAttr))
     31 {
     32     addToPropertyMap(m_viewTarget);
     33 }
     34 
     35 DEFINE_NODE_FACTORY(SVGViewElement)
     36 
     37 bool SVGViewElement::isSupportedAttribute(const QualifiedName& attrName)
     38 {
     39     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
     40     if (supportedAttributes.isEmpty()) {
     41         SVGFitToViewBox::addSupportedAttributes(supportedAttributes);
     42         SVGZoomAndPan::addSupportedAttributes(supportedAttributes);
     43         supportedAttributes.add(SVGNames::viewTargetAttr);
     44     }
     45     return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
     46 }
     47 
     48 void SVGViewElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
     49 {
     50     if (!isSupportedAttribute(name)) {
     51         SVGElement::parseAttribute(name, value);
     52         return;
     53     }
     54 
     55     SVGParsingError parseError = NoError;
     56 
     57     if (SVGFitToViewBox::parseAttribute(name, value, document(), parseError)) {
     58     } else if (SVGZoomAndPan::parseAttribute(name, value)) {
     59     } else if (name == SVGNames::viewTargetAttr) {
     60         m_viewTarget->setBaseValueAsString(value, parseError);
     61     } else {
     62         ASSERT_NOT_REACHED();
     63     }
     64 
     65     reportAttributeParsingError(parseError, name, value);
     66 }
     67 
     68 } // namespace blink
     69