1/*
2 * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
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 SVGDocument_h
22#define SVGDocument_h
23#if ENABLE(SVG)
24
25#include "Document.h"
26#include "FloatPoint.h"
27
28namespace WebCore {
29
30class DOMImplementation;
31class SVGElement;
32class SVGSVGElement;
33
34class SVGDocument FINAL : public Document {
35public:
36    static PassRefPtr<SVGDocument> create(Frame* frame, const KURL& url)
37    {
38        return adoptRef(new SVGDocument(frame, url));
39    }
40
41    SVGSVGElement* rootElement() const;
42
43    void dispatchZoomEvent(float prevScale, float newScale);
44    void dispatchScrollEvent();
45
46    bool zoomAndPanEnabled() const;
47
48    void startPan(const FloatPoint& start);
49    void updatePan(const FloatPoint& pos) const;
50
51private:
52    SVGDocument(Frame*, const KURL&);
53
54    virtual bool childShouldCreateRenderer(const NodeRenderingContext&) const;
55
56    FloatPoint m_translate;
57};
58
59inline SVGDocument* toSVGDocument(Document* document)
60{
61    ASSERT_WITH_SECURITY_IMPLICATION(!document || document->isSVGDocument());
62    return static_cast<SVGDocument*>(document);
63}
64
65inline const SVGDocument* toSVGDocument(const Document* document)
66{
67    ASSERT_WITH_SECURITY_IMPLICATION(!document || document->isSVGDocument());
68    return static_cast<const SVGDocument*>(document);
69}
70
71// This will catch anyone doing an unnecessary cast.
72void toSVGDocument(const SVGDocument*);
73
74} // namespace WebCore
75
76#endif // ENABLE(SVG)
77#endif // SVGDocument_h
78
79// vim:ts=4:noet
80