blob: b70b0747cd0490b6009f4481db65d96d4c599c1e [file] [log] [blame]
/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2006, 2007, 2010 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "third_party/blink/renderer/core/html/html_li_element.h"
#include "third_party/blink/renderer/core/css/css_property_names.h"
#include "third_party/blink/renderer/core/css_value_keywords.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/layout_tree_builder_traversal.h"
#include "third_party/blink/renderer/core/html/list_item_ordinal.h"
#include "third_party/blink/renderer/core/html/parser/html_parser_idioms.h"
#include "third_party/blink/renderer/core/html_names.h"
namespace blink {
HTMLLIElement::HTMLLIElement(Document& document)
: HTMLElement(html_names::kLiTag, document) {}
bool HTMLLIElement::IsPresentationAttribute(const QualifiedName& name) const {
if (name == html_names::kTypeAttr)
return true;
return HTMLElement::IsPresentationAttribute(name);
}
CSSValueID ListTypeToCSSValueID(const AtomicString& value) {
if (value == "a")
return CSSValueID::kLowerAlpha;
if (value == "A")
return CSSValueID::kUpperAlpha;
if (value == "i")
return CSSValueID::kLowerRoman;
if (value == "I")
return CSSValueID::kUpperRoman;
if (value == "1")
return CSSValueID::kDecimal;
if (DeprecatedEqualIgnoringCase(value, "disc"))
return CSSValueID::kDisc;
if (DeprecatedEqualIgnoringCase(value, "circle"))
return CSSValueID::kCircle;
if (DeprecatedEqualIgnoringCase(value, "square"))
return CSSValueID::kSquare;
if (DeprecatedEqualIgnoringCase(value, "none"))
return CSSValueID::kNone;
return CSSValueID::kInvalid;
}
void HTMLLIElement::CollectStyleForPresentationAttribute(
const QualifiedName& name,
const AtomicString& value,
MutableCSSPropertyValueSet* style) {
if (name == html_names::kTypeAttr) {
CSSValueID type_value = ListTypeToCSSValueID(value);
if (IsValidCSSValueID(type_value)) {
AddPropertyToPresentationAttributeStyle(
style, CSSPropertyID::kListStyleType, type_value);
}
} else {
HTMLElement::CollectStyleForPresentationAttribute(name, value, style);
}
}
void HTMLLIElement::ParseAttribute(const AttributeModificationParams& params) {
if (params.name == html_names::kValueAttr) {
if (ListItemOrdinal* ordinal = ListItemOrdinal::Get(*this))
ParseValue(params.new_value, ordinal);
} else {
HTMLElement::ParseAttribute(params);
}
}
void HTMLLIElement::AttachLayoutTree(AttachContext& context) {
HTMLElement::AttachLayoutTree(context);
if (ListItemOrdinal* ordinal = ListItemOrdinal::Get(*this)) {
DCHECK(!GetDocument().ChildNeedsDistributionRecalc());
// Find the enclosing list node.
Element* list_node = nullptr;
Element* current = this;
while (!list_node) {
current = LayoutTreeBuilderTraversal::ParentElement(*current);
if (!current)
break;
if (IsA<HTMLUListElement>(*current) || IsA<HTMLOListElement>(*current))
list_node = current;
}
// If we are not in a list, tell the layoutObject so it can position us
// inside. We don't want to change our style to say "inside" since that
// would affect nested nodes.
if (!list_node)
ordinal->SetNotInList(true, *this);
ParseValue(FastGetAttribute(html_names::kValueAttr), ordinal);
}
}
void HTMLLIElement::ParseValue(const AtomicString& value,
ListItemOrdinal* ordinal) {
DCHECK(ListItemOrdinal::IsListItem(*this));
int requested_value = 0;
if (ParseHTMLInteger(value, requested_value))
ordinal->SetExplicitValue(requested_value, *this);
else
ordinal->ClearExplicitValue(*this);
}
} // namespace blink