1 /*
2 * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
4 * Copyright (C) 2008 Apple Inc. All rights reserved.
5 * Copyright (C) 2011 Torch Mobile (Beijing) Co. Ltd. All rights reserved.
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 */
22
23 #include "config.h"
24
25 #if ENABLE(SVG_FONTS)
26 #include "core/svg/SVGAltGlyphElement.h"
27
28 #include "bindings/v8/ExceptionMessages.h"
29 #include "bindings/v8/ExceptionState.h"
30 #include "core/SVGNames.h"
31 #include "core/XLinkNames.h"
32 #include "core/dom/ExceptionCode.h"
33 #include "core/rendering/svg/RenderSVGTSpan.h"
34 #include "core/svg/SVGAltGlyphDefElement.h"
35
36 namespace WebCore {
37
SVGAltGlyphElement(Document & document)38 inline SVGAltGlyphElement::SVGAltGlyphElement(Document& document)
39 : SVGTextPositioningElement(SVGNames::altGlyphTag, document)
40 , SVGURIReference(this)
41 {
42 ScriptWrappable::init(this);
43 }
44
DEFINE_NODE_FACTORY(SVGAltGlyphElement)45 DEFINE_NODE_FACTORY(SVGAltGlyphElement)
46
47 void SVGAltGlyphElement::setGlyphRef(const AtomicString&, ExceptionState& exceptionState)
48 {
49 exceptionState.throwDOMException(NoModificationAllowedError, ExceptionMessages::readOnly());
50 }
51
glyphRef() const52 const AtomicString& SVGAltGlyphElement::glyphRef() const
53 {
54 return fastGetAttribute(SVGNames::glyphRefAttr);
55 }
56
setFormat(const AtomicString &,ExceptionState & exceptionState)57 void SVGAltGlyphElement::setFormat(const AtomicString&, ExceptionState& exceptionState)
58 {
59 exceptionState.throwDOMException(NoModificationAllowedError, ExceptionMessages::readOnly());
60 }
61
format() const62 const AtomicString& SVGAltGlyphElement::format() const
63 {
64 return fastGetAttribute(SVGNames::formatAttr);
65 }
66
createRenderer(RenderStyle *)67 RenderObject* SVGAltGlyphElement::createRenderer(RenderStyle*)
68 {
69 return new RenderSVGTSpan(this);
70 }
71
hasValidGlyphElements(Vector<AtomicString> & glyphNames) const72 bool SVGAltGlyphElement::hasValidGlyphElements(Vector<AtomicString>& glyphNames) const
73 {
74 AtomicString target;
75 Element* element = targetElementFromIRIString(getAttribute(XLinkNames::hrefAttr), treeScope(), &target);
76 if (!element)
77 return false;
78
79 if (isSVGGlyphElement(*element)) {
80 glyphNames.append(target);
81 return true;
82 }
83
84 if (isSVGAltGlyphDefElement(*element) && toSVGAltGlyphDefElement(*element).hasValidGlyphElements(glyphNames))
85 return true;
86
87 return false;
88 }
89
90 }
91
92 #endif
93