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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) 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/HTMLOListElement.h"
     25 
     26 #include "CSSPropertyNames.h"
     27 #include "CSSValueKeywords.h"
     28 #include "HTMLNames.h"
     29 #include "core/rendering/RenderListItem.h"
     30 
     31 namespace WebCore {
     32 
     33 using namespace HTMLNames;
     34 
     35 HTMLOListElement::HTMLOListElement(Document& document)
     36     : HTMLElement(olTag, document)
     37     , m_start(0xBADBEEF)
     38     , m_itemCount(0)
     39     , m_hasExplicitStart(false)
     40     , m_isReversed(false)
     41     , m_shouldRecalculateItemCount(false)
     42 {
     43     ScriptWrappable::init(this);
     44 }
     45 
     46 PassRefPtr<HTMLOListElement> HTMLOListElement::create(Document& document)
     47 {
     48     return adoptRef(new HTMLOListElement(document));
     49 }
     50 
     51 bool HTMLOListElement::isPresentationAttribute(const QualifiedName& name) const
     52 {
     53     if (name == typeAttr)
     54         return true;
     55     return HTMLElement::isPresentationAttribute(name);
     56 }
     57 
     58 void HTMLOListElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStylePropertySet* style)
     59 {
     60     if (name == typeAttr) {
     61         if (value == "a")
     62             addPropertyToPresentationAttributeStyle(style, CSSPropertyListStyleType, CSSValueLowerAlpha);
     63         else if (value == "A")
     64             addPropertyToPresentationAttributeStyle(style, CSSPropertyListStyleType, CSSValueUpperAlpha);
     65         else if (value == "i")
     66             addPropertyToPresentationAttributeStyle(style, CSSPropertyListStyleType, CSSValueLowerRoman);
     67         else if (value == "I")
     68             addPropertyToPresentationAttributeStyle(style, CSSPropertyListStyleType, CSSValueUpperRoman);
     69         else if (value == "1")
     70             addPropertyToPresentationAttributeStyle(style, CSSPropertyListStyleType, CSSValueDecimal);
     71     } else
     72         HTMLElement::collectStyleForPresentationAttribute(name, value, style);
     73 }
     74 
     75 void HTMLOListElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
     76 {
     77     if (name == startAttr) {
     78         int oldStart = start();
     79         bool canParse;
     80         int parsedStart = value.toInt(&canParse);
     81         m_hasExplicitStart = canParse;
     82         m_start = canParse ? parsedStart : 0xBADBEEF;
     83         if (oldStart == start())
     84             return;
     85         updateItemValues();
     86     } else if (name == reversedAttr) {
     87         bool reversed = !value.isNull();
     88         if (reversed == m_isReversed)
     89             return;
     90         m_isReversed = reversed;
     91         updateItemValues();
     92     } else
     93         HTMLElement::parseAttribute(name, value);
     94 }
     95 
     96 void HTMLOListElement::setStart(int start)
     97 {
     98     setIntegralAttribute(startAttr, start);
     99 }
    100 
    101 void HTMLOListElement::updateItemValues()
    102 {
    103     RenderListItem::updateItemValuesForOrderedList(this);
    104 }
    105 
    106 void HTMLOListElement::recalculateItemCount()
    107 {
    108     m_itemCount = RenderListItem::itemCountForOrderedList(this);
    109     m_shouldRecalculateItemCount = false;
    110 }
    111 
    112 }
    113