1/*
2 * Copyright (C) 2006 Apple Inc.
3 * Copyright (C) 2009 Google, Inc.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB.  If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 */
20
21#ifndef RenderSVGForeignObject_h
22#define RenderSVGForeignObject_h
23
24#include "AffineTransform.h"
25#include "FloatPoint.h"
26#include "FloatRect.h"
27#include "RenderSVGBlock.h"
28
29namespace WebCore {
30
31class SVGForeignObjectElement;
32
33class RenderSVGForeignObject final : public RenderSVGBlock {
34public:
35    RenderSVGForeignObject(SVGForeignObjectElement&, PassRef<RenderStyle>);
36    virtual ~RenderSVGForeignObject();
37
38    SVGForeignObjectElement& foreignObjectElement() const;
39
40    virtual void paint(PaintInfo&, const LayoutPoint&);
41
42    virtual LayoutRect clippedOverflowRectForRepaint(const RenderLayerModelObject* repaintContainer) const override;
43    virtual void computeFloatRectForRepaint(const RenderLayerModelObject* repaintContainer, FloatRect&, bool fixed = false) const override;
44
45    virtual bool requiresLayer() const { return false; }
46    virtual void layout();
47
48    virtual FloatRect objectBoundingBox() const { return FloatRect(FloatPoint(), m_viewport.size()); }
49    virtual FloatRect strokeBoundingBox() const { return FloatRect(FloatPoint(), m_viewport.size()); }
50    virtual FloatRect repaintRectInLocalCoordinates() const { return FloatRect(FloatPoint(), m_viewport.size()); }
51
52    virtual bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction);
53    virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) override;
54    virtual bool isSVGForeignObject() const { return true; }
55
56    virtual void mapLocalToContainer(const RenderLayerModelObject* repaintContainer, TransformState&, MapCoordinatesFlags = ApplyContainerFlip, bool* wasFixed = 0) const override;
57    virtual const RenderObject* pushMappingToContainer(const RenderLayerModelObject* ancestorToStopAt, RenderGeometryMap&) const override;
58    virtual void setNeedsTransformUpdate() { m_needsTransformUpdate = true; }
59
60private:
61    void graphicsElement() const = delete;
62    virtual const char* renderName() const override { return "RenderSVGForeignObject"; }
63
64    virtual void updateLogicalWidth() override;
65    virtual void computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logicalTop, LogicalExtentComputedValues&) const override;
66
67    virtual const AffineTransform& localToParentTransform() const;
68    virtual AffineTransform localTransform() const { return m_localTransform; }
69
70    bool m_needsTransformUpdate : 1;
71    FloatRect m_viewport;
72    AffineTransform m_localTransform;
73    mutable AffineTransform m_localToParentTransform;
74};
75
76}
77
78#endif
79