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
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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