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  * along 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 
27 namespace WebCore {
28 
29 class FloatSize;
30 class SVGUseElement;
31 
32 class SVGShadowTreeContainerElement : public SVGGElement {
33 public:
34     static PassRefPtr<SVGShadowTreeContainerElement> create(Document*);
35 
36     FloatSize containerTranslation() const;
setContainerOffset(const SVGLength & x,const SVGLength & y)37     void setContainerOffset(const SVGLength& x, const SVGLength& y)
38     {
39         m_xOffset = x;
40         m_yOffset = y;
41     }
42 
43 protected:
44     SVGShadowTreeContainerElement(Document*);
45 
46 private:
47     virtual PassRefPtr<Element> cloneElementWithoutAttributesAndChildren() const;
isShadowTreeContainerElement()48     virtual bool isShadowTreeContainerElement() const { return true; }
49 
50     SVGLength m_xOffset;
51     SVGLength m_yOffset;
52 };
53 
54 class SVGShadowTreeRootElement : public SVGShadowTreeContainerElement {
55 public:
56     static PassRefPtr<SVGShadowTreeRootElement> create(Document*, SVGUseElement* host);
57 
58     void attachElement(PassRefPtr<RenderStyle>, RenderArena*);
59     void clearSVGShadowHost();
60 
isSVGShadowRoot()61     virtual bool isSVGShadowRoot() const { return true; }
62 
63 private:
64     SVGShadowTreeRootElement(Document*, SVGUseElement* host);
65 };
66 
67 }
68 
69 #endif
70 #endif
71