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      1 /*
      2  * Copyright (C) 2004, 2005, 2006, 2008 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 #ifndef SVGCursorElement_h
     22 #define SVGCursorElement_h
     23 
     24 #include "core/SVGNames.h"
     25 #include "core/svg/SVGAnimatedLength.h"
     26 #include "core/svg/SVGElement.h"
     27 #include "core/svg/SVGTests.h"
     28 #include "core/svg/SVGURIReference.h"
     29 
     30 namespace blink {
     31 
     32 class SVGCursorElement FINAL : public SVGElement,
     33                                public SVGTests,
     34                                public SVGURIReference {
     35     DEFINE_WRAPPERTYPEINFO();
     36 public:
     37     DECLARE_NODE_FACTORY(SVGCursorElement);
     38 
     39     virtual ~SVGCursorElement();
     40 
     41     void addClient(SVGElement*);
     42 #if !ENABLE(OILPAN)
     43     void removeClient(SVGElement*);
     44 #endif
     45     void removeReferencedElement(SVGElement*);
     46 
     47     SVGAnimatedLength* x() const { return m_x.get(); }
     48     SVGAnimatedLength* y() const { return m_y.get(); }
     49 
     50     virtual void trace(Visitor*) OVERRIDE;
     51 
     52 private:
     53     explicit SVGCursorElement(Document&);
     54 
     55     virtual bool isValid() const OVERRIDE { return SVGTests::isValid(); }
     56 
     57     bool isSupportedAttribute(const QualifiedName&);
     58     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     59     virtual void svgAttributeChanged(const QualifiedName&) OVERRIDE;
     60 
     61     virtual bool rendererIsNeeded(const RenderStyle&) OVERRIDE { return false; }
     62 
     63     RefPtr<SVGAnimatedLength> m_x;
     64     RefPtr<SVGAnimatedLength> m_y;
     65 
     66     WillBeHeapHashSet<RawPtrWillBeWeakMember<SVGElement> > m_clients;
     67 };
     68 
     69 } // namespace blink
     70 
     71 #endif // SVGCursorElement_h
     72