1/*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 *           (C) 1999 Antti Koivisto (koivisto@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 "core/CSSPropertyNames.h"
27#include "core/CSSValueKeywords.h"
28#include "core/HTMLNames.h"
29#include "core/rendering/RenderListItem.h"
30
31namespace blink {
32
33using namespace HTMLNames;
34
35inline 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}
44
45DEFINE_NODE_FACTORY(HTMLOListElement)
46
47bool HTMLOListElement::isPresentationAttribute(const QualifiedName& name) const
48{
49    if (name == typeAttr)
50        return true;
51    return HTMLElement::isPresentationAttribute(name);
52}
53
54void HTMLOListElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStylePropertySet* style)
55{
56    if (name == typeAttr) {
57        if (value == "a")
58            addPropertyToPresentationAttributeStyle(style, CSSPropertyListStyleType, CSSValueLowerAlpha);
59        else if (value == "A")
60            addPropertyToPresentationAttributeStyle(style, CSSPropertyListStyleType, CSSValueUpperAlpha);
61        else if (value == "i")
62            addPropertyToPresentationAttributeStyle(style, CSSPropertyListStyleType, CSSValueLowerRoman);
63        else if (value == "I")
64            addPropertyToPresentationAttributeStyle(style, CSSPropertyListStyleType, CSSValueUpperRoman);
65        else if (value == "1")
66            addPropertyToPresentationAttributeStyle(style, CSSPropertyListStyleType, CSSValueDecimal);
67    } else
68        HTMLElement::collectStyleForPresentationAttribute(name, value, style);
69}
70
71void HTMLOListElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
72{
73    if (name == startAttr) {
74        int oldStart = start();
75        bool canParse;
76        int parsedStart = value.toInt(&canParse);
77        m_hasExplicitStart = canParse;
78        m_start = canParse ? parsedStart : 0xBADBEEF;
79        if (oldStart == start())
80            return;
81        updateItemValues();
82    } else if (name == reversedAttr) {
83        bool reversed = !value.isNull();
84        if (reversed == m_isReversed)
85            return;
86        m_isReversed = reversed;
87        updateItemValues();
88    } else
89        HTMLElement::parseAttribute(name, value);
90}
91
92void HTMLOListElement::setStart(int start)
93{
94    setIntegralAttribute(startAttr, start);
95}
96
97void HTMLOListElement::updateItemValues()
98{
99    if (!renderer())
100        return;
101    document().updateDistributionForNodeIfNeeded(this);
102    RenderListItem::updateItemValuesForOrderedList(this);
103}
104
105void HTMLOListElement::recalculateItemCount()
106{
107    m_itemCount = RenderListItem::itemCountForOrderedList(this);
108    m_shouldRecalculateItemCount = false;
109}
110
111}
112