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      1 /*
      2  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann (at) kde.org>
      3  * Copyright (C) 2004, 2005, 2006, 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 #ifndef SVGPatternElement_h
     22 #define SVGPatternElement_h
     23 
     24 #include "SVGNames.h"
     25 #include "core/svg/SVGAnimatedBoolean.h"
     26 #include "core/svg/SVGAnimatedEnumeration.h"
     27 #include "core/svg/SVGAnimatedLength.h"
     28 #include "core/svg/SVGAnimatedPreserveAspectRatio.h"
     29 #include "core/svg/SVGAnimatedRect.h"
     30 #include "core/svg/SVGAnimatedTransformList.h"
     31 #include "core/svg/SVGElement.h"
     32 #include "core/svg/SVGExternalResourcesRequired.h"
     33 #include "core/svg/SVGFitToViewBox.h"
     34 #include "core/svg/SVGTests.h"
     35 #include "core/svg/SVGURIReference.h"
     36 #include "core/svg/SVGUnitTypes.h"
     37 
     38 namespace WebCore {
     39 
     40 struct PatternAttributes;
     41 
     42 class SVGPatternElement FINAL : public SVGElement,
     43                                 public SVGURIReference,
     44                                 public SVGTests,
     45                                 public SVGExternalResourcesRequired,
     46                                 public SVGFitToViewBox {
     47 public:
     48     static PassRefPtr<SVGPatternElement> create(const QualifiedName&, Document*);
     49 
     50     void collectPatternAttributes(PatternAttributes&) const;
     51 
     52     virtual AffineTransform localCoordinateSpaceTransform(SVGLocatable::CTMScope) const;
     53 
     54 private:
     55     SVGPatternElement(const QualifiedName&, Document*);
     56 
     57     virtual bool isValid() const { return SVGTests::isValid(); }
     58     virtual bool needsPendingResourceHandling() const { return false; }
     59 
     60     bool isSupportedAttribute(const QualifiedName&);
     61     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     62     virtual void svgAttributeChanged(const QualifiedName&);
     63     virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
     64 
     65     virtual RenderObject* createRenderer(RenderStyle*);
     66 
     67     virtual bool selfHasRelativeLengths() const;
     68 
     69     BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGPatternElement)
     70         DECLARE_ANIMATED_LENGTH(X, x)
     71         DECLARE_ANIMATED_LENGTH(Y, y)
     72         DECLARE_ANIMATED_LENGTH(Width, width)
     73         DECLARE_ANIMATED_LENGTH(Height, height)
     74         DECLARE_ANIMATED_ENUMERATION(PatternUnits, patternUnits, SVGUnitTypes::SVGUnitType)
     75         DECLARE_ANIMATED_ENUMERATION(PatternContentUnits, patternContentUnits, SVGUnitTypes::SVGUnitType)
     76         DECLARE_ANIMATED_TRANSFORM_LIST(PatternTransform, patternTransform)
     77         DECLARE_ANIMATED_STRING(Href, href)
     78         DECLARE_ANIMATED_BOOLEAN(ExternalResourcesRequired, externalResourcesRequired)
     79         DECLARE_ANIMATED_RECT(ViewBox, viewBox)
     80         DECLARE_ANIMATED_PRESERVEASPECTRATIO(PreserveAspectRatio, preserveAspectRatio)
     81     END_DECLARE_ANIMATED_PROPERTIES
     82 
     83     // SVGTests
     84     virtual void synchronizeRequiredFeatures() { SVGTests::synchronizeRequiredFeatures(this); }
     85     virtual void synchronizeRequiredExtensions() { SVGTests::synchronizeRequiredExtensions(this); }
     86     virtual void synchronizeSystemLanguage() { SVGTests::synchronizeSystemLanguage(this); }
     87 };
     88 
     89 inline SVGPatternElement* toSVGPatternElement(Node* node)
     90 {
     91     ASSERT_WITH_SECURITY_IMPLICATION(!node || node->hasTagName(SVGNames::patternTag));
     92     return static_cast<SVGPatternElement*>(node);
     93 }
     94 
     95 } // namespace WebCore
     96 
     97 #endif
     98