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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  * Copyright (C) 2006, 2007, 2010 Apple Inc. All rights reserved.
      5  *
      6  * This library is free software; you can redistribute it and/or
      7  * modify it under the terms of the GNU Library General Public
      8  * License as published by the Free Software Foundation; either
      9  * version 2 of the License, or (at your option) any later version.
     10  *
     11  * This library is distributed in the hope that it will be useful,
     12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14  * Library General Public License for more details.
     15  *
     16  * You should have received a copy of the GNU Library General Public License
     17  * along with this library; see the file COPYING.LIB.  If not, write to
     18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     19  * Boston, MA 02110-1301, USA.
     20  *
     21  */
     22 
     23 #include "config.h"
     24 #include "HTMLLIElement.h"
     25 
     26 #include "Attribute.h"
     27 #include "CSSPropertyNames.h"
     28 #include "CSSValueKeywords.h"
     29 #include "HTMLNames.h"
     30 #include "RenderListItem.h"
     31 
     32 namespace WebCore {
     33 
     34 using namespace HTMLNames;
     35 
     36 HTMLLIElement::HTMLLIElement(const QualifiedName& tagName, Document* document)
     37     : HTMLElement(tagName, document)
     38     , m_requestedValue(0)
     39 {
     40     ASSERT(hasTagName(liTag));
     41 }
     42 
     43 PassRefPtr<HTMLLIElement> HTMLLIElement::create(Document* document)
     44 {
     45     return adoptRef(new HTMLLIElement(liTag, document));
     46 }
     47 
     48 PassRefPtr<HTMLLIElement> HTMLLIElement::create(const QualifiedName& tagName, Document* document)
     49 {
     50     return adoptRef(new HTMLLIElement(tagName, document));
     51 }
     52 
     53 bool HTMLLIElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const
     54 {
     55     if (attrName == typeAttr) {
     56         result = eListItem; // Share with <ol> since all the values are the same
     57         return false;
     58     }
     59 
     60     return HTMLElement::mapToEntry(attrName, result);
     61 }
     62 
     63 void HTMLLIElement::parseMappedAttribute(Attribute* attr)
     64 {
     65     if (attr->name() == valueAttr) {
     66         m_requestedValue = attr->value().toInt();
     67         if (renderer() && renderer()->isListItem()) {
     68             if (m_requestedValue > 0)
     69                 toRenderListItem(renderer())->setExplicitValue(m_requestedValue);
     70             else
     71                 toRenderListItem(renderer())->clearExplicitValue();
     72         }
     73     } else if (attr->name() == typeAttr) {
     74         if (attr->value() == "a")
     75             addCSSProperty(attr, CSSPropertyListStyleType, CSSValueLowerAlpha);
     76         else if (attr->value() == "A")
     77             addCSSProperty(attr, CSSPropertyListStyleType, CSSValueUpperAlpha);
     78         else if (attr->value() == "i")
     79             addCSSProperty(attr, CSSPropertyListStyleType, CSSValueLowerRoman);
     80         else if (attr->value() == "I")
     81             addCSSProperty(attr, CSSPropertyListStyleType, CSSValueUpperRoman);
     82         else if (attr->value() == "1")
     83             addCSSProperty(attr, CSSPropertyListStyleType, CSSValueDecimal);
     84         else
     85             addCSSProperty(attr, CSSPropertyListStyleType, attr->value());
     86     } else
     87         HTMLElement::parseMappedAttribute(attr);
     88 }
     89 
     90 void HTMLLIElement::attach()
     91 {
     92     ASSERT(!attached());
     93 
     94     HTMLElement::attach();
     95 
     96     if (renderer() && renderer()->isListItem()) {
     97         RenderListItem* render = toRenderListItem(renderer());
     98 
     99         // Find the enclosing list node.
    100         Node* listNode = 0;
    101         Node* n = this;
    102         while (!listNode && (n = n->parentNode())) {
    103             if (n->hasTagName(ulTag) || n->hasTagName(olTag))
    104                 listNode = n;
    105         }
    106 
    107         // If we are not in a list, tell the renderer so it can position us inside.
    108         // We don't want to change our style to say "inside" since that would affect nested nodes.
    109         if (!listNode)
    110             render->setNotInList(true);
    111 
    112         if (m_requestedValue > 0)
    113             render->setExplicitValue(m_requestedValue);
    114         else
    115             render->clearExplicitValue();
    116     }
    117 }
    118 
    119 }
    120