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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 "core/html/HTMLLIElement.h"
     25 
     26 #include "core/CSSPropertyNames.h"
     27 #include "core/CSSValueKeywords.h"
     28 #include "core/HTMLNames.h"
     29 #include "core/dom/NodeRenderingTraversal.h"
     30 #include "core/rendering/RenderListItem.h"
     31 
     32 namespace blink {
     33 
     34 using namespace HTMLNames;
     35 
     36 inline HTMLLIElement::HTMLLIElement(Document& document)
     37     : HTMLElement(liTag, document)
     38 {
     39 }
     40 
     41 DEFINE_NODE_FACTORY(HTMLLIElement)
     42 
     43 bool HTMLLIElement::isPresentationAttribute(const QualifiedName& name) const
     44 {
     45     if (name == typeAttr)
     46         return true;
     47     return HTMLElement::isPresentationAttribute(name);
     48 }
     49 
     50 void HTMLLIElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStylePropertySet* style)
     51 {
     52     if (name == typeAttr) {
     53         if (value == "a")
     54             addPropertyToPresentationAttributeStyle(style, CSSPropertyListStyleType, CSSValueLowerAlpha);
     55         else if (value == "A")
     56             addPropertyToPresentationAttributeStyle(style, CSSPropertyListStyleType, CSSValueUpperAlpha);
     57         else if (value == "i")
     58             addPropertyToPresentationAttributeStyle(style, CSSPropertyListStyleType, CSSValueLowerRoman);
     59         else if (value == "I")
     60             addPropertyToPresentationAttributeStyle(style, CSSPropertyListStyleType, CSSValueUpperRoman);
     61         else if (value == "1")
     62             addPropertyToPresentationAttributeStyle(style, CSSPropertyListStyleType, CSSValueDecimal);
     63         else
     64             addPropertyToPresentationAttributeStyle(style, CSSPropertyListStyleType, value);
     65     } else
     66         HTMLElement::collectStyleForPresentationAttribute(name, value, style);
     67 }
     68 
     69 void HTMLLIElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
     70 {
     71     if (name == valueAttr) {
     72         if (renderer() && renderer()->isListItem())
     73             parseValue(value);
     74     } else
     75         HTMLElement::parseAttribute(name, value);
     76 }
     77 
     78 void HTMLLIElement::attach(const AttachContext& context)
     79 {
     80     HTMLElement::attach(context);
     81 
     82     if (renderer() && renderer()->isListItem()) {
     83         RenderListItem* listItemRenderer = toRenderListItem(renderer());
     84 
     85         ASSERT(!document().childNeedsDistributionRecalc());
     86 
     87         // Find the enclosing list node.
     88         Element* listNode = 0;
     89         Element* current = this;
     90         while (!listNode) {
     91             current = NodeRenderingTraversal::parentElement(current);
     92             if (!current)
     93                 break;
     94             if (isHTMLUListElement(*current) || isHTMLOListElement(*current))
     95                 listNode = current;
     96         }
     97 
     98         // If we are not in a list, tell the renderer so it can position us inside.
     99         // We don't want to change our style to say "inside" since that would affect nested nodes.
    100         if (!listNode)
    101             listItemRenderer->setNotInList(true);
    102 
    103         parseValue(fastGetAttribute(valueAttr));
    104     }
    105 }
    106 
    107 inline void HTMLLIElement::parseValue(const AtomicString& value)
    108 {
    109     ASSERT(renderer() && renderer()->isListItem());
    110 
    111     bool valueOK;
    112     int requestedValue = value.toInt(&valueOK);
    113     if (valueOK)
    114         toRenderListItem(renderer())->setExplicitValue(requestedValue);
    115     else
    116         toRenderListItem(renderer())->clearExplicitValue();
    117 }
    118 
    119 }
    120