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| 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 "core/html/HTMLMetaElement.h" | |
| 25 | |
| 26 #include "HTMLNames.h" | |
| 27 #include "core/dom/Document.h" | |
| 28 | |
| 29 namespace WebCore { | |
| 30 | |
| 31 using namespace HTMLNames; | |
| 32 | |
| 33 inline HTMLMetaElement::HTMLMetaElement(const QualifiedName& tagName, Document*
document) | |
| 34 : HTMLElement(tagName, document) | |
| 35 { | |
| 36 ASSERT(hasTagName(metaTag)); | |
| 37 ScriptWrappable::init(this); | |
| 38 } | |
| 39 | |
| 40 PassRefPtr<HTMLMetaElement> HTMLMetaElement::create(Document* document) | |
| 41 { | |
| 42 return adoptRef(new HTMLMetaElement(metaTag, document)); | |
| 43 } | |
| 44 | |
| 45 PassRefPtr<HTMLMetaElement> HTMLMetaElement::create(const QualifiedName& tagName
, Document* document) | |
| 46 { | |
| 47 return adoptRef(new HTMLMetaElement(tagName, document)); | |
| 48 } | |
| 49 | |
| 50 void HTMLMetaElement::parseAttribute(const QualifiedName& name, const AtomicStri
ng& value) | |
| 51 { | |
| 52 if (name == http_equivAttr) | |
| 53 process(); | |
| 54 else if (name == contentAttr) | |
| 55 process(); | |
| 56 else if (name == nameAttr) { | |
| 57 // Do nothing | |
| 58 } else | |
| 59 HTMLElement::parseAttribute(name, value); | |
| 60 } | |
| 61 | |
| 62 Node::InsertionNotificationRequest HTMLMetaElement::insertedInto(ContainerNode*
insertionPoint) | |
| 63 { | |
| 64 HTMLElement::insertedInto(insertionPoint); | |
| 65 if (insertionPoint->inDocument()) | |
| 66 process(); | |
| 67 return InsertionDone; | |
| 68 } | |
| 69 | |
| 70 void HTMLMetaElement::process() | |
| 71 { | |
| 72 if (!inDocument()) | |
| 73 return; | |
| 74 | |
| 75 const AtomicString& contentValue = fastGetAttribute(contentAttr); | |
| 76 if (contentValue.isNull()) | |
| 77 return; | |
| 78 | |
| 79 if (equalIgnoringCase(name(), "viewport")) | |
| 80 document()->processViewport(contentValue, ViewportArguments::ViewportMet
a); | |
| 81 else if (equalIgnoringCase(name(), "referrer")) | |
| 82 document()->processReferrerPolicy(contentValue); | |
| 83 else if (equalIgnoringCase(name(), "handheldfriendly") && equalIgnoringCase(
contentValue, "true")) | |
| 84 document()->processViewport("width=device-width", ViewportArguments::Han
dheldFriendlyMeta); | |
| 85 else if (equalIgnoringCase(name(), "mobileoptimized")) | |
| 86 document()->processViewport("width=device-width, initial-scale=1", Viewp
ortArguments::MobileOptimizedMeta); | |
| 87 | |
| 88 // Get the document to process the tag, but only if we're actually part of D
OM tree (changing a meta tag while | |
| 89 // it's not in the tree shouldn't have any effect on the document) | |
| 90 const AtomicString& httpEquivValue = fastGetAttribute(http_equivAttr); | |
| 91 if (!httpEquivValue.isNull()) | |
| 92 document()->processHttpEquiv(httpEquivValue, contentValue); | |
| 93 } | |
| 94 | |
| 95 String HTMLMetaElement::content() const | |
| 96 { | |
| 97 return getAttribute(contentAttr); | |
| 98 } | |
| 99 | |
| 100 String HTMLMetaElement::httpEquiv() const | |
| 101 { | |
| 102 return getAttribute(http_equivAttr); | |
| 103 } | |
| 104 | |
| 105 String HTMLMetaElement::name() const | |
| 106 { | |
| 107 return getNameAttribute(); | |
| 108 } | |
| 109 | |
| 110 } | |
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Chromium Code Reviews
Issue 19555002:
Translate viewport related meta tags into @viewport descriptors as suggested by the CSS Device Adap… (Closed)
Base URL: svn://svn.chromium.org/blink/trunk