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      1 /*
      2  * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann (at) kde.org>
      3  * Copyright (C) 2004, 2005, 2006 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/SVGSymbolElement.h"
     24 
     25 #include "core/SVGNames.h"
     26 #include "core/rendering/svg/RenderSVGHiddenContainer.h"
     27 
     28 namespace blink {
     29 
     30 inline SVGSymbolElement::SVGSymbolElement(Document& document)
     31     : SVGElement(SVGNames::symbolTag, document)
     32     , SVGFitToViewBox(this)
     33 {
     34 }
     35 
     36 DEFINE_NODE_FACTORY(SVGSymbolElement)
     37 
     38 bool SVGSymbolElement::isSupportedAttribute(const QualifiedName& attrName)
     39 {
     40     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
     41     if (supportedAttributes.isEmpty())
     42         SVGFitToViewBox::addSupportedAttributes(supportedAttributes);
     43 
     44     return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
     45 }
     46 
     47 void SVGSymbolElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
     48 {
     49     if (!isSupportedAttribute(name)) {
     50         SVGElement::parseAttribute(name, value);
     51         return;
     52     }
     53 
     54     SVGParsingError parseError = NoError;
     55     if (SVGFitToViewBox::parseAttribute(name, value, document(), parseError)) {
     56     } else {
     57         ASSERT_NOT_REACHED();
     58     }
     59 
     60     reportAttributeParsingError(parseError, name, value);
     61 }
     62 
     63 void SVGSymbolElement::svgAttributeChanged(const QualifiedName& attrName)
     64 {
     65     if (!isSupportedAttribute(attrName)) {
     66         SVGElement::svgAttributeChanged(attrName);
     67         return;
     68     }
     69 
     70     invalidateInstances();
     71 }
     72 
     73 RenderObject* SVGSymbolElement::createRenderer(RenderStyle*)
     74 {
     75     return new RenderSVGHiddenContainer(this);
     76 }
     77 
     78 }
     79