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      1 /*
      2  * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org)
      3  *           (C) 1999 Antti Koivisto (koivisto (at) kde.org)
      4  *           (C) 2000 Stefan Schimanski (1Stein (at) gmx.de)
      5  * Copyright (C) 2004, 2005, 2006, 2008, 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 "HTMLParamElement.h"
     25 
     26 #include "Attribute.h"
     27 #include "Document.h"
     28 #include "HTMLNames.h"
     29 
     30 namespace WebCore {
     31 
     32 using namespace HTMLNames;
     33 
     34 inline HTMLParamElement::HTMLParamElement(const QualifiedName& tagName, Document* document)
     35     : HTMLElement(tagName, document)
     36 {
     37     ASSERT(hasTagName(paramTag));
     38 }
     39 
     40 PassRefPtr<HTMLParamElement> HTMLParamElement::create(const QualifiedName& tagName, Document* document)
     41 {
     42     return adoptRef(new HTMLParamElement(tagName, document));
     43 }
     44 
     45 bool HTMLParamElement::isURLParameter(const String& name)
     46 {
     47     return equalIgnoringCase(name, "data") || equalIgnoringCase(name, "movie") || equalIgnoringCase(name, "src");
     48 }
     49 
     50 void HTMLParamElement::parseMappedAttribute(Attribute* attr)
     51 {
     52     if (isIdAttributeName(attr->name())) {
     53         // Must call base class so that hasID bit gets set.
     54         HTMLElement::parseMappedAttribute(attr);
     55         if (document()->isHTMLDocument())
     56             return;
     57         m_name = attr->value();
     58     } else if (attr->name() == nameAttr) {
     59         m_name = attr->value();
     60     } else if (attr->name() == valueAttr) {
     61         m_value = attr->value();
     62     } else
     63         HTMLElement::parseMappedAttribute(attr);
     64 }
     65 
     66 bool HTMLParamElement::isURLAttribute(Attribute* attr) const
     67 {
     68     if (attr->name() == valueAttr) {
     69         Attribute* attr = attributes()->getAttributeItem(nameAttr);
     70         if (attr) {
     71             const AtomicString& value = attr->value();
     72             if (isURLParameter(value))
     73                 return true;
     74         }
     75     }
     76     return false;
     77 }
     78 
     79 void HTMLParamElement::addSubresourceAttributeURLs(ListHashSet<KURL>& urls) const
     80 {
     81     HTMLElement::addSubresourceAttributeURLs(urls);
     82 
     83     if (!isURLParameter(name()))
     84         return;
     85 
     86     addSubresourceURL(urls, document()->completeURL(value()));
     87 }
     88 
     89 }
     90