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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 
     26 namespace WebCore {
     27 
     28 // Animated property definitions
     29 DEFINE_ANIMATED_BOOLEAN(SVGViewElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
     30 DEFINE_ANIMATED_RECT(SVGViewElement, SVGNames::viewBoxAttr, ViewBox, viewBox)
     31 DEFINE_ANIMATED_PRESERVEASPECTRATIO(SVGViewElement, SVGNames::preserveAspectRatioAttr, PreserveAspectRatio, preserveAspectRatio)
     32 
     33 BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGViewElement)
     34     REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
     35     REGISTER_LOCAL_ANIMATED_PROPERTY(viewBox)
     36     REGISTER_LOCAL_ANIMATED_PROPERTY(preserveAspectRatio)
     37     REGISTER_PARENT_ANIMATED_PROPERTIES(SVGElement)
     38 END_REGISTER_ANIMATED_PROPERTIES
     39 
     40 inline SVGViewElement::SVGViewElement(Document& document)
     41     : SVGElement(SVGNames::viewTag, document)
     42     , m_zoomAndPan(SVGZoomAndPanMagnify)
     43     , m_viewTarget(SVGNames::viewTargetAttr)
     44 {
     45     ScriptWrappable::init(this);
     46     registerAnimatedPropertiesForSVGViewElement();
     47 }
     48 
     49 PassRefPtr<SVGViewElement> SVGViewElement::create(Document& document)
     50 {
     51     return adoptRef(new SVGViewElement(document));
     52 }
     53 
     54 bool SVGViewElement::isSupportedAttribute(const QualifiedName& attrName)
     55 {
     56     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
     57     if (supportedAttributes.isEmpty()) {
     58         SVGExternalResourcesRequired::addSupportedAttributes(supportedAttributes);
     59         SVGFitToViewBox::addSupportedAttributes(supportedAttributes);
     60         SVGZoomAndPan::addSupportedAttributes(supportedAttributes);
     61         supportedAttributes.add(SVGNames::viewTargetAttr);
     62     }
     63     return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
     64 }
     65 
     66 void SVGViewElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
     67 {
     68     if (!isSupportedAttribute(name)) {
     69         SVGElement::parseAttribute(name, value);
     70         return;
     71     }
     72 
     73     if (name == SVGNames::viewTargetAttr) {
     74         viewTarget().reset(value);
     75         return;
     76     }
     77 
     78     if (SVGExternalResourcesRequired::parseAttribute(name, value))
     79         return;
     80     if (SVGFitToViewBox::parseAttribute(this, name, value))
     81         return;
     82     if (SVGZoomAndPan::parseAttribute(this, name, value))
     83         return;
     84 
     85     ASSERT_NOT_REACHED();
     86 }
     87 
     88 }
     89