Source/WebCore/svg/SVGPatternElement.h

/*
 * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
 * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
 *
 * 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.
 */

#pragma once

#include "SVGAnimatedBoolean.h"
#include "SVGAnimatedEnumeration.h"
#include "SVGAnimatedLength.h"
#include "SVGAnimatedPreserveAspectRatio.h"
#include "SVGAnimatedRect.h"
#include "SVGAnimatedTransformList.h"
#include "SVGElement.h"
#include "SVGExternalResourcesRequired.h"
#include "SVGFitToViewBox.h"
#include "SVGNames.h"
#include "SVGTests.h"
#include "SVGURIReference.h"
#include "SVGUnitTypes.h"

namespace WebCore {

struct PatternAttributes;
 
class SVGPatternElement final : public SVGElement, public SVGURIReference, public SVGTests, public SVGExternalResourcesRequired, public SVGFitToViewBox {
    WTF_MAKE_ISO_ALLOCATED(SVGPatternElement);
public:
    static Ref<SVGPatternElement> create(const QualifiedName&, Document&);

    void collectPatternAttributes(PatternAttributes&) const;

    AffineTransform localCoordinateSpaceTransform(SVGLocatable::CTMScope) const final;

    // SVGTests
    Ref<SVGStringList> requiredFeatures();
    Ref<SVGStringList> requiredExtensions();
    Ref<SVGStringList> systemLanguage();

private:
    SVGPatternElement(const QualifiedName&, Document&);
    
    bool isValid() const final { return SVGTests::isValid(); }
    bool needsPendingResourceHandling() const final { return false; }

    static bool isSupportedAttribute(const QualifiedName&);
    void parseAttribute(const QualifiedName&, const AtomicString&) final;
    void svgAttributeChanged(const QualifiedName&) final;
    void childrenChanged(const ChildChange&) final;

    RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) final;

    bool selfHasRelativeLengths() const final { return true; }

    BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGPatternElement)
        DECLARE_ANIMATED_LENGTH(X, x)
        DECLARE_ANIMATED_LENGTH(Y, y)
        DECLARE_ANIMATED_LENGTH(Width, width)
        DECLARE_ANIMATED_LENGTH(Height, height)
        DECLARE_ANIMATED_ENUMERATION(PatternUnits, patternUnits, SVGUnitTypes::SVGUnitType)
        DECLARE_ANIMATED_ENUMERATION(PatternContentUnits, patternContentUnits, SVGUnitTypes::SVGUnitType)
        DECLARE_ANIMATED_TRANSFORM_LIST(PatternTransform, patternTransform)
        DECLARE_ANIMATED_STRING_OVERRIDE(Href, href)
        DECLARE_ANIMATED_BOOLEAN_OVERRIDE(ExternalResourcesRequired, externalResourcesRequired)
        DECLARE_ANIMATED_RECT(ViewBox, viewBox)
        DECLARE_ANIMATED_PRESERVEASPECTRATIO(PreserveAspectRatio, preserveAspectRatio) 
    END_DECLARE_ANIMATED_PROPERTIES

    // SVGTests
    void synchronizeRequiredFeatures() final { SVGTests::synchronizeRequiredFeatures(*this); }
    void synchronizeRequiredExtensions() final { SVGTests::synchronizeRequiredExtensions(*this); }
    void synchronizeSystemLanguage() final { SVGTests::synchronizeSystemLanguage(*this); }
};

} // namespace WebCore