1/*
2 * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
3 * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
4 * Copyright (C) 2008 Apple Inc. All rights reserved.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB.  If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 */
21
22#ifndef SVGFontFaceElement_h
23#define SVGFontFaceElement_h
24
25#if ENABLE(SVG_FONTS)
26#include "SVGNames.h"
27#include "core/svg/SVGElement.h"
28
29namespace WebCore {
30
31class SVGFontElement;
32class StyleRuleFontFace;
33
34class SVGFontFaceElement FINAL : public SVGElement {
35public:
36    static PassRefPtr<SVGFontFaceElement> create(const QualifiedName&, Document*);
37
38    unsigned unitsPerEm() const;
39    int xHeight() const;
40    float horizontalOriginX() const;
41    float horizontalOriginY() const;
42    float horizontalAdvanceX() const;
43    float verticalOriginX() const;
44    float verticalOriginY() const;
45    float verticalAdvanceY() const;
46    int ascent() const;
47    int descent() const;
48    String fontFamily() const;
49
50    SVGFontElement* associatedFontElement() const;
51    void rebuildFontFace();
52
53    StyleRuleFontFace* fontFaceRule() const { return m_fontFaceRule.get(); }
54
55private:
56    SVGFontFaceElement(const QualifiedName&, Document*);
57
58    virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
59
60    virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
61    virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE;
62    virtual void removedFrom(ContainerNode*) OVERRIDE;
63
64    virtual bool rendererIsNeeded(const NodeRenderingContext&) OVERRIDE { return false; }
65
66    RefPtr<StyleRuleFontFace> m_fontFaceRule;
67    SVGFontElement* m_fontElement;
68};
69
70inline SVGFontFaceElement* toSVGFontFaceElement(Node* node)
71{
72    ASSERT_WITH_SECURITY_IMPLICATION(!node || node->hasTagName(SVGNames::font_faceTag));
73    return static_cast<SVGFontFaceElement*>(node);
74}
75
76} // namespace WebCore
77
78#endif // ENABLE(SVG_FONTS)
79#endif
80
81// vim:ts=4:noet
82