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      1 /*
      2  * Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann (at) kde.org>
      3  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Rob Buis <buis (at) kde.org>
      4  * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
      5  *
      6  * This library is free software; you can redistribute it and/or
      7  * modify it under the terms of the GNU Library General Public
      8  * License as published by the Free Software Foundation; either
      9  * version 2 of the License, or (at your option) any later version.
     10  *
     11  * This library is distributed in the hope that it will be useful,
     12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14  * Library General Public License for more details.
     15  *
     16  * You should have received a copy of the GNU Library General Public License
     17  * along with this library; see the file COPYING.LIB.  If not, write to
     18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     19  * Boston, MA 02110-1301, USA.
     20  */
     21 
     22 #include "config.h"
     23 
     24 #include "core/svg/SVGClipPathElement.h"
     25 
     26 #include "core/rendering/svg/RenderSVGResourceClipper.h"
     27 
     28 namespace blink {
     29 
     30 inline SVGClipPathElement::SVGClipPathElement(Document& document)
     31     : SVGGraphicsElement(SVGNames::clipPathTag, document)
     32     , m_clipPathUnits(SVGAnimatedEnumeration<SVGUnitTypes::SVGUnitType>::create(this, SVGNames::clipPathUnitsAttr, SVGUnitTypes::SVG_UNIT_TYPE_USERSPACEONUSE))
     33 {
     34     addToPropertyMap(m_clipPathUnits);
     35 }
     36 
     37 DEFINE_NODE_FACTORY(SVGClipPathElement)
     38 
     39 void SVGClipPathElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
     40 {
     41     parseAttributeNew(name, value);
     42 }
     43 
     44 void SVGClipPathElement::svgAttributeChanged(const QualifiedName& attrName)
     45 {
     46     if (attrName != SVGNames::clipPathUnitsAttr) {
     47         SVGGraphicsElement::svgAttributeChanged(attrName);
     48         return;
     49     }
     50 
     51     SVGElement::InvalidationGuard invalidationGuard(this);
     52 
     53     RenderSVGResourceContainer* renderer = toRenderSVGResourceContainer(this->renderer());
     54     if (renderer)
     55         renderer->invalidateCacheAndMarkForLayout();
     56 }
     57 
     58 void SVGClipPathElement::childrenChanged(const ChildrenChange& change)
     59 {
     60     SVGGraphicsElement::childrenChanged(change);
     61 
     62     if (change.byParser)
     63         return;
     64 
     65     if (RenderObject* object = renderer())
     66         object->setNeedsLayoutAndFullPaintInvalidation();
     67 }
     68 
     69 RenderObject* SVGClipPathElement::createRenderer(RenderStyle*)
     70 {
     71     return new RenderSVGResourceClipper(this);
     72 }
     73 
     74 }
     75