1/*
2    Copyright (C) Research In Motion Limited 2010. All rights reserved.
3
4    This library is free software; you can redistribute it and/or
5    modify it under the terms of the GNU Library General Public
6    License as published by the Free Software Foundation; either
7    version 2 of the License, or (at your option) any later version.
8
9    This library is distributed in the hope that it will be useful,
10    but WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12    Library General Public License for more details.
13
14    You should have received a copy of the GNU Library General Public License
15    aint with this library; see the file COPYING.LIB.  If not, write to
16    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17    Boston, MA 02110-1301, USA.
18*/
19
20#ifndef SVGShadowTreeElements_h
21#define SVGShadowTreeElements_h
22
23#if ENABLE(SVG)
24#include "SVGGElement.h"
25#include "SVGLength.h"
26
27namespace WebCore {
28
29class FloatSize;
30
31class SVGShadowTreeContainerElement : public SVGGElement {
32public:
33    SVGShadowTreeContainerElement(Document*);
34    virtual ~SVGShadowTreeContainerElement();
35
36    virtual bool isShadowTreeContainerElement() const { return true; }
37
38    FloatSize containerTranslation() const;
39    void setContainerOffset(const SVGLength& x, const SVGLength& y)
40    {
41        m_xOffset = x;
42        m_yOffset = y;
43    }
44
45private:
46    SVGLength m_xOffset;
47    SVGLength m_yOffset;
48};
49
50class SVGShadowTreeRootElement : public SVGShadowTreeContainerElement {
51public:
52    SVGShadowTreeRootElement(Document*, Node* shadowParent);
53    virtual ~SVGShadowTreeRootElement();
54
55    virtual bool isShadowNode() const { return m_shadowParent; }
56    virtual Node* shadowParentNode() { return m_shadowParent; }
57
58    void attachElement(PassRefPtr<RenderStyle>, RenderArena*);
59
60private:
61    Node* m_shadowParent;
62};
63
64}
65
66#endif
67#endif
68