SVGFontFaceUriElement.cpp revision 8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2
1/*
2   Copyright (C) 2007 Eric Seidel <eric@webkit.org>
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#include "config.h"
21
22#if ENABLE(SVG_FONTS)
23#include "SVGFontFaceUriElement.h"
24
25#include "CSSFontFaceSrcValue.h"
26#include "SVGFontFaceElement.h"
27#include "SVGNames.h"
28#include "XLinkNames.h"
29
30namespace WebCore {
31
32using namespace SVGNames;
33
34SVGFontFaceUriElement::SVGFontFaceUriElement(const QualifiedName& tagName, Document* doc)
35    : SVGElement(tagName, doc)
36{
37}
38
39PassRefPtr<CSSFontFaceSrcValue> SVGFontFaceUriElement::srcValue() const
40{
41    RefPtr<CSSFontFaceSrcValue> src = CSSFontFaceSrcValue::create(getAttribute(XLinkNames::hrefAttr));
42    AtomicString value(getAttribute(formatAttr));
43    src->setFormat(value.isEmpty() ? "svg" : value); // Default format
44    return src.release();
45}
46
47void SVGFontFaceUriElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
48{
49    SVGElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
50
51    if (!parentNode() || !parentNode()->hasTagName(font_face_srcTag))
52        return;
53
54    Node* grandParent = parentNode()->parentNode();
55    if (grandParent && grandParent->hasTagName(font_faceTag))
56        static_cast<SVGFontFaceElement*>(grandParent)->rebuildFontFace();
57}
58
59}
60
61#endif // ENABLE(SVG_FONTS)
62