RenderSVGModelObject.h 4.18 KB
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/*
 * Copyright (c) 2009, Google Inc. All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef RenderSVGModelObject_h
#define RenderSVGModelObject_h

#if ENABLE(SVG)

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#include "RenderElement.h"
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#include "SVGElement.h"
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#include "SVGRenderSupport.h"
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namespace WebCore {

// Most renderers in the SVG rendering tree will inherit from this class
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// but not all. (e.g. RenderSVGForeignObject, RenderSVGBlock) thus methods
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// required by SVG renders need to be declared on RenderObject, but shared
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// logic can go in this class or in SVGRenderSupport.
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class SVGElement;
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class RenderSVGModelObject : public RenderElement {
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public:
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    virtual LayoutRect clippedOverflowRectForRepaint(const RenderLayerModelObject* repaintContainer) const OVERRIDE;
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    virtual void computeFloatRectForRepaint(const RenderLayerModelObject* repaintContainer, FloatRect&, bool fixed = false) const OVERRIDE FINAL;
    virtual LayoutRect outlineBoundsForRepaint(const RenderLayerModelObject* repaintContainer, const RenderGeometryMap*) const OVERRIDE FINAL;
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    virtual void absoluteRects(Vector<IntRect>&, const LayoutPoint& accumulatedOffset) const OVERRIDE FINAL;
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    virtual void absoluteQuads(Vector<FloatQuad>&, bool* wasFixed) const OVERRIDE;
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    virtual void mapLocalToContainer(const RenderLayerModelObject* repaintContainer, TransformState&, MapCoordinatesFlags = ApplyContainerFlip, bool* wasFixed = 0) const OVERRIDE FINAL;
    virtual const RenderObject* pushMappingToContainer(const RenderLayerModelObject* ancestorToStopAt, RenderGeometryMap&) const OVERRIDE FINAL;
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    virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OVERRIDE;
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    static bool checkIntersection(RenderElement*, const FloatRect&);
    static bool checkEnclosure(RenderElement*, const FloatRect&);
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    virtual FloatRect repaintRectInLocalCoordinatesExcludingSVGShadow() const { return repaintRectInLocalCoordinates(); }
    bool hasSVGShadow() const { return m_hasSVGShadow; }
    void setHasSVGShadow(bool hasShadow) { m_hasSVGShadow = hasShadow; }

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    SVGElement& element() const { return toSVGElement(nodeForNonAnonymous()); }
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protected:
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    RenderSVGModelObject(SVGElement&, PassRef<RenderStyle>);
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    virtual void willBeDestroyed() OVERRIDE;
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private:
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    virtual bool isRenderSVGModelObject() const OVERRIDE FINAL { return true; }

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    // This method should never be called, SVG uses a different nodeAtPoint method
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    virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) OVERRIDE;
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    virtual void absoluteFocusRingQuads(Vector<FloatQuad>&) OVERRIDE FINAL;
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    bool m_hasSVGShadow;
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};

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RENDER_OBJECT_TYPE_CASTS(RenderSVGModelObject, isRenderSVGModelObject());

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}

#endif // ENABLE(SVG)
#endif