text: /*
   * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
   * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
   * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
   * Copyright (C) Research In Motion Limited 2010. All rights reserved.
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Library General Public
   * License as published by the Free Software Foundation; either
   * version 2 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Library General Public License for more details.
   *
   * You should have received a copy of the GNU Library General Public License
   * along with this library; see the file COPYING.LIB.  If not, write to
   * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   * Boston, MA 02110-1301, USA.
   */
  
  #ifndef SVGFilterElement_h
  #define SVGFilterElement_h
  
  #include "core/SVGNames.h"
  #include "core/svg/SVGAnimatedBoolean.h"
  #include "core/svg/SVGAnimatedEnumeration.h"
  #include "core/svg/SVGAnimatedInteger.h"
  #include "core/svg/SVGAnimatedIntegerOptionalInteger.h"
  #include "core/svg/SVGAnimatedLength.h"
  #include "core/svg/SVGElement.h"
  #include "core/svg/SVGURIReference.h"
  #include "core/svg/SVGUnitTypes.h"
  #include "platform/heap/Handle.h"
  
  namespace blink {
  
  class SVGFilterElement final : public SVGElement,
                                 public SVGURIReference {
      DEFINE_WRAPPERTYPEINFO();
      WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(SVGFilterElement);
  public:
      DECLARE_NODE_FACTORY(SVGFilterElement);
      DECLARE_VIRTUAL_TRACE();
  
      void addClient(Node*);
      void removeClient(Node*);
  
      SVGAnimatedLength* x() const { return m_x.get(); }
      SVGAnimatedLength* y() const { return m_y.get(); }
      SVGAnimatedLength* width() const { return m_width.get(); }
      SVGAnimatedLength* height() const { return m_height.get(); }
      SVGAnimatedEnumeration<SVGUnitTypes::SVGUnitType>* filterUnits() { return m_filterUnits.get(); }
      SVGAnimatedEnumeration<SVGUnitTypes::SVGUnitType>* primitiveUnits() { return m_primitiveUnits.get(); }
  
  private:
      explicit SVGFilterElement(Document&);
  
      bool needsPendingResourceHandling() const override { return false; }
  
      void svgAttributeChanged(const QualifiedName&) override;
      void childrenChanged(const ChildrenChange&) override;
  
      LayoutObject* createLayoutObject(const ComputedStyle&) override;
  
      bool selfHasRelativeLengths() const override;
  
      RefPtrWillBeMember<SVGAnimatedLength> m_x;
      RefPtrWillBeMember<SVGAnimatedLength> m_y;
      RefPtrWillBeMember<SVGAnimatedLength> m_width;
      RefPtrWillBeMember<SVGAnimatedLength> m_height;
      RefPtrWillBeMember<SVGAnimatedEnumeration<SVGUnitTypes::SVGUnitType>> m_filterUnits;
      RefPtrWillBeMember<SVGAnimatedEnumeration<SVGUnitTypes::SVGUnitType>> m_primitiveUnits;
  
      WillBeHeapHashSet<RefPtrWillBeMember<Node>> m_clientsToAdd;
  };
  
  } // namespace blink
  
  #endif // SVGFilterElement_h
  