1/* 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) 4 * (C) 2001 Dirk Mueller (mueller@kde.org) 5 * Copyright (C) 2003, 2010 Apple Inc. 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#include "HTMLMetaElement.h" 25 26#include "Attribute.h" 27#include "Document.h" 28#include "HTMLNames.h" 29 30namespace WebCore { 31 32using namespace HTMLNames; 33 34inline HTMLMetaElement::HTMLMetaElement(const QualifiedName& tagName, Document* document) 35 : HTMLElement(tagName, document) 36{ 37 ASSERT(hasTagName(metaTag)); 38} 39 40PassRefPtr<HTMLMetaElement> HTMLMetaElement::create(const QualifiedName& tagName, Document* document) 41{ 42 return adoptRef(new HTMLMetaElement(tagName, document)); 43} 44 45void HTMLMetaElement::parseAttribute(const QualifiedName& name, const AtomicString& value) 46{ 47 if (name == http_equivAttr) 48 process(); 49 else if (name == contentAttr) 50 process(); 51 else if (name == nameAttr) { 52 // Do nothing 53 } else 54 HTMLElement::parseAttribute(name, value); 55} 56 57Node::InsertionNotificationRequest HTMLMetaElement::insertedInto(ContainerNode* insertionPoint) 58{ 59 HTMLElement::insertedInto(insertionPoint); 60 if (insertionPoint->inDocument()) 61 process(); 62 return InsertionDone; 63} 64 65void HTMLMetaElement::process() 66{ 67 if (!inDocument()) 68 return; 69 70 const AtomicString& contentValue = fastGetAttribute(contentAttr); 71 if (contentValue.isNull()) 72 return; 73 74 if (equalIgnoringCase(name(), "viewport")) 75 document()->processViewport(contentValue, ViewportArguments::ViewportMeta); 76 else if (equalIgnoringCase(name(), "referrer")) 77 document()->processReferrerPolicy(contentValue); 78#if ENABLE(LEGACY_VIEWPORT_ADAPTION) 79 else if (equalIgnoringCase(name(), "handheldfriendly") && equalIgnoringCase(contentValue, "true")) 80 document()->processViewport("width=device-width", ViewportArguments::HandheldFriendlyMeta); 81 else if (equalIgnoringCase(name(), "mobileoptimized")) 82 document()->processViewport("width=device-width, initial-scale=1", ViewportArguments::MobileOptimizedMeta); 83#endif 84 85 // Get the document to process the tag, but only if we're actually part of DOM tree (changing a meta tag while 86 // it's not in the tree shouldn't have any effect on the document) 87 const AtomicString& httpEquivValue = fastGetAttribute(http_equivAttr); 88 if (!httpEquivValue.isNull()) 89 document()->processHttpEquiv(httpEquivValue, contentValue); 90} 91 92String HTMLMetaElement::content() const 93{ 94 return getAttribute(contentAttr); 95} 96 97String HTMLMetaElement::httpEquiv() const 98{ 99 return getAttribute(http_equivAttr); 100} 101 102String HTMLMetaElement::name() const 103{ 104 return getNameAttribute(); 105} 106 107#if ENABLE(MICRODATA) 108String HTMLMetaElement::itemValueText() const 109{ 110 return getAttribute(contentAttr); 111} 112 113void HTMLMetaElement::setItemValueText(const String& value, ExceptionCode&) 114{ 115 setAttribute(contentAttr, value); 116} 117#endif 118 119} 120