| OLD | NEW |
|---|
| (Empty) |
| 1 /* | |
| 2 * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org> | |
| 3 * Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org> | |
| 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 #include "core/svg/SVGExternalResourcesRequired.h" | |
| 24 | |
| 25 #include "SVGNames.h" | |
| 26 #include "core/svg/SVGElement.h" | |
| 27 | |
| 28 namespace WebCore { | |
| 29 | |
| 30 bool SVGExternalResourcesRequired::parseAttribute(const QualifiedName& name, con
st AtomicString& value) | |
| 31 { | |
| 32 if (name == SVGNames::externalResourcesRequiredAttr) { | |
| 33 setExternalResourcesRequiredBaseValue(value == "true"); | |
| 34 return true; | |
| 35 } | |
| 36 | |
| 37 return false; | |
| 38 } | |
| 39 | |
| 40 bool SVGExternalResourcesRequired::isKnownAttribute(const QualifiedName& attrNam
e) | |
| 41 { | |
| 42 return attrName == SVGNames::externalResourcesRequiredAttr; | |
| 43 } | |
| 44 | |
| 45 void SVGExternalResourcesRequired::addSupportedAttributes(HashSet<QualifiedName>
& supportedAttributes) | |
| 46 { | |
| 47 supportedAttributes.add(SVGNames::externalResourcesRequiredAttr); | |
| 48 } | |
| 49 | |
| 50 bool SVGExternalResourcesRequired::handleAttributeChange(SVGElement* targetEleme
nt, const QualifiedName& attrName) | |
| 51 { | |
| 52 ASSERT(targetElement); | |
| 53 if (!isKnownAttribute(attrName)) | |
| 54 return false; | |
| 55 if (!targetElement->inDocument()) | |
| 56 return true; | |
| 57 | |
| 58 // Handle dynamic updates of the 'externalResourcesRequired' attribute. Only
possible case: changing from 'true' to 'false' | |
| 59 // causes an immediate dispatch of the SVGLoad event. If the attribute value
was 'false' before inserting the script element | |
| 60 // in the document, the SVGLoad event has already been dispatched. | |
| 61 if (!externalResourcesRequiredBaseValue() && !haveFiredLoadEvent() && !isPar
serInserted()) { | |
| 62 setHaveFiredLoadEvent(true); | |
| 63 ASSERT(targetElement->haveLoadedRequiredResources()); | |
| 64 | |
| 65 targetElement->sendSVGLoadEventIfPossible(); | |
| 66 } | |
| 67 | |
| 68 return true; | |
| 69 } | |
| 70 | |
| 71 void SVGExternalResourcesRequired::dispatchLoadEvent(SVGElement* targetElement) | |
| 72 { | |
| 73 bool externalResourcesRequired = externalResourcesRequiredBaseValue(); | |
| 74 | |
| 75 if (isParserInserted()) | |
| 76 ASSERT(externalResourcesRequired != haveFiredLoadEvent()); | |
| 77 else if (haveFiredLoadEvent()) | |
| 78 return; | |
| 79 | |
| 80 // HTML and SVG differ completely in the 'onload' event handling of <script>
elements. | |
| 81 // HTML fires the 'load' event after it sucessfully loaded a remote resource
, otherwise an error event. | |
| 82 // SVG fires the SVGLoad event immediately after parsing the <script> elemen
t, if externalResourcesRequired | |
| 83 // is set to 'false', otherwise it dispatches the 'SVGLoad' event just after
loading the remote resource. | |
| 84 if (!externalResourcesRequired) | |
| 85 return; | |
| 86 | |
| 87 ASSERT(!haveFiredLoadEvent()); | |
| 88 | |
| 89 // Dispatch SVGLoad event | |
| 90 setHaveFiredLoadEvent(true); | |
| 91 ASSERT(targetElement->haveLoadedRequiredResources()); | |
| 92 | |
| 93 targetElement->sendSVGLoadEventIfPossible(); | |
| 94 } | |
| 95 | |
| 96 void SVGExternalResourcesRequired::insertedIntoDocument(SVGElement* targetElemen
t) | |
| 97 { | |
| 98 if (isParserInserted()) | |
| 99 return; | |
| 100 | |
| 101 // Eventually send SVGLoad event now for the dynamically inserted script ele
ment. | |
| 102 if (externalResourcesRequiredBaseValue()) | |
| 103 return; | |
| 104 setHaveFiredLoadEvent(true); | |
| 105 targetElement->sendSVGLoadEventIfPossibleAsynchronously(); | |
| 106 } | |
| 107 | |
| 108 void SVGExternalResourcesRequired::finishParsingChildren() | |
| 109 { | |
| 110 // A SVGLoad event has been fired by SVGElement::finishParsingChildren. | |
| 111 if (!externalResourcesRequiredBaseValue()) | |
| 112 setHaveFiredLoadEvent(true); | |
| 113 } | |
| 114 | |
| 115 bool SVGExternalResourcesRequired::haveLoadedRequiredResources() const | |
| 116 { | |
| 117 return !externalResourcesRequiredBaseValue() || haveFiredLoadEvent(); | |
| 118 } | |
| 119 | |
| 120 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 62083002:
Remove support for the externalResourcesRequired attribute. (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master