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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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