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#pragma once
32
33#include "RenderElement.h"
34#include "SVGElement.h"
35#include "SVGRenderSupport.h"
36
37namespace WebCore {
38
39// Most renderers in the SVG rendering tree will inherit from this class
40// but not all. (e.g. RenderSVGForeignObject, RenderSVGBlock) thus methods
41// required by SVG renders need to be declared on RenderObject, but shared
42// logic can go in this class or in SVGRenderSupport.
43
44class SVGElement;
45
46class RenderSVGModelObject : public RenderElement {
47 WTF_MAKE_ISO_ALLOCATED(RenderSVGModelObject);
48public:
49 LayoutRect clippedOverflowRectForRepaint(const RenderLayerModelObject* repaintContainer) const override;
50 Optional<FloatRect> computeFloatVisibleRectInContainer(const FloatRect&, const RenderLayerModelObject* container, VisibleRectContext) const final;
51 LayoutRect outlineBoundsForRepaint(const RenderLayerModelObject* repaintContainer, const RenderGeometryMap*) const final;
52
53 void absoluteRects(Vector<IntRect>&, const LayoutPoint& accumulatedOffset) const final;
54 void absoluteQuads(Vector<FloatQuad>&, bool* wasFixed) const override;
55
56 void mapLocalToContainer(const RenderLayerModelObject* repaintContainer, TransformState&, MapCoordinatesFlags, bool* wasFixed) const final;
57 const RenderObject* pushMappingToContainer(const RenderLayerModelObject* ancestorToStopAt, RenderGeometryMap&) const final;
58 void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override;
59
60 static bool checkIntersection(RenderElement*, const FloatRect&);
61 static bool checkEnclosure(RenderElement*, const FloatRect&);
62
63 SVGElement& element() const { return downcast<SVGElement>(nodeForNonAnonymous()); }
64
65protected:
66 RenderSVGModelObject(SVGElement&, RenderStyle&&);
67
68 void willBeDestroyed() override;
69
70private:
71 bool isRenderSVGModelObject() const final { return true; }
72
73 // This method should never be called, SVG uses a different nodeAtPoint method
74 bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) override;
75 void absoluteFocusRingQuads(Vector<FloatQuad>&) final;
76};
77
78} // namespace WebCore
79
80SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderSVGModelObject, isRenderSVGModelObject())
81