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1 /* | |
2 * Copyright (C) 2007 Eric Seidel <eric@webkit.org> | |
3 * Copyright (C) 2009 Apple Inc. All rights reserved. | |
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 #include "config.h" | |
22 | |
23 #if ENABLE(SVG_FONTS) | |
24 #include "core/svg/SVGFontFaceUriElement.h" | |
25 | |
26 #include "core/XLinkNames.h" | |
27 #include "core/css/CSSFontFaceSrcValue.h" | |
28 #include "core/dom/Document.h" | |
29 #include "core/fetch/FetchRequest.h" | |
30 #include "core/fetch/ResourceFetcher.h" | |
31 #include "core/svg/SVGFontFaceElement.h" | |
32 | |
33 namespace blink { | |
34 | |
35 using namespace SVGNames; | |
36 | |
37 inline SVGFontFaceUriElement::SVGFontFaceUriElement(Document& document) | |
38 : SVGElement(font_face_uriTag, document) | |
39 { | |
40 } | |
41 | |
42 DEFINE_NODE_FACTORY(SVGFontFaceUriElement) | |
43 | |
44 SVGFontFaceUriElement::~SVGFontFaceUriElement() | |
45 { | |
46 if (m_resource) | |
47 m_resource->removeClient(this); | |
48 } | |
49 | |
50 PassRefPtrWillBeRawPtr<CSSFontFaceSrcValue> SVGFontFaceUriElement::srcValue() co
nst | |
51 { | |
52 RefPtrWillBeRawPtr<CSSFontFaceSrcValue> src = CSSFontFaceSrcValue::create(ge
tAttribute(XLinkNames::hrefAttr)); | |
53 AtomicString value(fastGetAttribute(formatAttr)); | |
54 src->setFormat(value.isEmpty() ? AtomicString("svg", AtomicString::Construct
FromLiteral) : value); // Default format | |
55 return src.release(); | |
56 } | |
57 | |
58 void SVGFontFaceUriElement::parseAttribute(const QualifiedName& name, const Atom
icString& value) | |
59 { | |
60 if (name.matches(XLinkNames::hrefAttr)) | |
61 loadFont(); | |
62 else | |
63 SVGElement::parseAttribute(name, value); | |
64 } | |
65 | |
66 void SVGFontFaceUriElement::childrenChanged(const ChildrenChange& change) | |
67 { | |
68 SVGElement::childrenChanged(change); | |
69 | |
70 if (!isSVGFontFaceSrcElement(parentNode())) | |
71 return; | |
72 | |
73 ContainerNode* grandparent = parentNode()->parentNode(); | |
74 if (isSVGFontFaceElement(grandparent)) | |
75 toSVGFontFaceElement(*grandparent).rebuildFontFace(); | |
76 } | |
77 | |
78 Node::InsertionNotificationRequest SVGFontFaceUriElement::insertedInto(Container
Node* rootParent) | |
79 { | |
80 loadFont(); | |
81 return SVGElement::insertedInto(rootParent); | |
82 } | |
83 | |
84 void SVGFontFaceUriElement::loadFont() | |
85 { | |
86 if (m_resource) | |
87 m_resource->removeClient(this); | |
88 | |
89 const AtomicString& href = getAttribute(XLinkNames::hrefAttr); | |
90 if (!href.isNull()) { | |
91 ResourceFetcher* fetcher = document().fetcher(); | |
92 FetchRequest request(ResourceRequest(document().completeURL(href)), loca
lName()); | |
93 m_resource = fetcher->fetchFont(request); | |
94 if (m_resource) { | |
95 m_resource->addClient(this); | |
96 m_resource->beginLoadIfNeeded(fetcher); | |
97 } | |
98 } else { | |
99 m_resource = 0; | |
100 } | |
101 } | |
102 | |
103 } | |
104 | |
105 #endif // ENABLE(SVG_FONTS) | |
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