1/* 2 * Copyright (c) 2009, Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#ifndef RenderSVGModelObject_h 32#define RenderSVGModelObject_h 33 34#include "RenderElement.h" 35#include "SVGElement.h" 36#include "SVGRenderSupport.h" 37 38namespace WebCore { 39 40// Most renderers in the SVG rendering tree will inherit from this class 41// but not all. (e.g. RenderSVGForeignObject, RenderSVGBlock) thus methods 42// required by SVG renders need to be declared on RenderObject, but shared 43// logic can go in this class or in SVGRenderSupport. 44 45class SVGElement; 46 47class RenderSVGModelObject : public RenderElement { 48public: 49 virtual LayoutRect clippedOverflowRectForRepaint(const RenderLayerModelObject* repaintContainer) const override; 50 virtual void computeFloatRectForRepaint(const RenderLayerModelObject* repaintContainer, FloatRect&, bool fixed = false) const override final; 51 virtual LayoutRect outlineBoundsForRepaint(const RenderLayerModelObject* repaintContainer, const RenderGeometryMap*) const override final; 52 53 virtual void absoluteRects(Vector<IntRect>&, const LayoutPoint& accumulatedOffset) const override final; 54 virtual void absoluteQuads(Vector<FloatQuad>&, bool* wasFixed) const override; 55 56 virtual void mapLocalToContainer(const RenderLayerModelObject* repaintContainer, TransformState&, MapCoordinatesFlags = ApplyContainerFlip, bool* wasFixed = 0) const override final; 57 virtual const RenderObject* pushMappingToContainer(const RenderLayerModelObject* ancestorToStopAt, RenderGeometryMap&) const override final; 58 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override; 59 60 static bool checkIntersection(RenderElement*, const FloatRect&); 61 static bool checkEnclosure(RenderElement*, const FloatRect&); 62 63 virtual FloatRect repaintRectInLocalCoordinatesExcludingSVGShadow() const { return repaintRectInLocalCoordinates(); } 64 bool hasSVGShadow() const { return m_hasSVGShadow; } 65 void setHasSVGShadow(bool hasShadow) { m_hasSVGShadow = hasShadow; } 66 67 SVGElement& element() const { return toSVGElement(nodeForNonAnonymous()); } 68 69protected: 70 RenderSVGModelObject(SVGElement&, PassRef<RenderStyle>); 71 72 virtual void willBeDestroyed() override; 73 74private: 75 virtual bool isRenderSVGModelObject() const override final { return true; } 76 77 // This method should never be called, SVG uses a different nodeAtPoint method 78 virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) override; 79 virtual void absoluteFocusRingQuads(Vector<FloatQuad>&) override final; 80 bool m_hasSVGShadow; 81}; 82 83RENDER_OBJECT_TYPE_CASTS(RenderSVGModelObject, isRenderSVGModelObject()); 84 85} 86 87#endif 88