blob: fa7f180062e9f45a51174b120b285d5523a9bb7b [file] [log] [blame]
/*
* Copyright (C) 1997 Martin Jones (mjones@kde.org)
* (C) 1997 Torben Weis (weis@kde.org)
* (C) 1998 Waldo Bastian (bastian@kde.org)
* (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2003, 2004, 2005, 2006, 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_table_cell_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/attribute.h"
#include "third_party/blink/renderer/core/dom/element_traversal.h"
#include "third_party/blink/renderer/core/frame/use_counter.h"
#include "third_party/blink/renderer/core/html/html_table_element.h"
#include "third_party/blink/renderer/core/html/parser/html_parser_idioms.h"
#include "third_party/blink/renderer/core/html/table_constants.h"
#include "third_party/blink/renderer/core/html_names.h"
#include "third_party/blink/renderer/core/layout/layout_table_cell.h"
namespace blink {
using namespace html_names;
HTMLTableCellElement::HTMLTableCellElement(const QualifiedName& tag_name,
Document& document)
: HTMLTablePartElement(tag_name, document) {}
DEFINE_ELEMENT_FACTORY_WITH_TAGNAME(HTMLTableCellElement)
unsigned HTMLTableCellElement::colSpan() const {
const AtomicString& col_span_value = FastGetAttribute(kColspanAttr);
unsigned value = 0;
if (!ParseHTMLClampedNonNegativeInteger(col_span_value, kMinColSpan,
kMaxColSpan, value))
return kDefaultColSpan;
// Counting for https://github.com/whatwg/html/issues/1198
UseCounter::Count(GetDocument(), WebFeature::kHTMLTableCellElementColspan);
if (value > 8190) {
UseCounter::Count(GetDocument(),
WebFeature::kHTMLTableCellElementColspanGreaterThan8190);
} else if (value > 1000) {
UseCounter::Count(GetDocument(),
WebFeature::kHTMLTableCellElementColspanGreaterThan1000);
}
return value;
}
unsigned HTMLTableCellElement::rowSpan() const {
const AtomicString& row_span_value = FastGetAttribute(kRowspanAttr);
unsigned value = 0;
if (!ParseHTMLClampedNonNegativeInteger(row_span_value, kMinRowSpan,
kMaxRowSpan, value))
return kDefaultRowSpan;
return value;
}
int HTMLTableCellElement::cellIndex() const {
if (!IsHTMLTableRowElement(parentElement()))
return -1;
int index = 0;
for (const HTMLTableCellElement* element =
Traversal<HTMLTableCellElement>::PreviousSibling(*this);
element;
element = Traversal<HTMLTableCellElement>::PreviousSibling(*element))
++index;
return index;
}
bool HTMLTableCellElement::IsPresentationAttribute(
const QualifiedName& name) const {
if (name == kNowrapAttr || name == kWidthAttr || name == kHeightAttr)
return true;
return HTMLTablePartElement::IsPresentationAttribute(name);
}
void HTMLTableCellElement::CollectStyleForPresentationAttribute(
const QualifiedName& name,
const AtomicString& value,
MutableCSSPropertyValueSet* style) {
if (name == kNowrapAttr) {
AddPropertyToPresentationAttributeStyle(style, CSSPropertyID::kWhiteSpace,
CSSValueID::kWebkitNowrap);
} else if (name == kWidthAttr) {
if (!value.IsEmpty()) {
int width_int = value.ToInt();
if (width_int > 0) // width="0" is ignored for compatibility with WinIE.
AddHTMLLengthToStyle(style, CSSPropertyID::kWidth, value);
}
} else if (name == kHeightAttr) {
if (!value.IsEmpty()) {
int height_int = value.ToInt();
if (height_int >
0) // height="0" is ignored for compatibility with WinIE.
AddHTMLLengthToStyle(style, CSSPropertyID::kHeight, value);
}
} else {
HTMLTablePartElement::CollectStyleForPresentationAttribute(name, value,
style);
}
}
void HTMLTableCellElement::ParseAttribute(
const AttributeModificationParams& params) {
if (params.name == kRowspanAttr || params.name == kColspanAttr) {
if (GetLayoutObject() && GetLayoutObject()->IsTableCell())
ToLayoutTableCell(GetLayoutObject())->ColSpanOrRowSpanChanged();
} else {
HTMLTablePartElement::ParseAttribute(params);
}
}
const CSSPropertyValueSet*
HTMLTableCellElement::AdditionalPresentationAttributeStyle() {
if (HTMLTableElement* table = FindParentTable())
return table->AdditionalCellStyle();
return nullptr;
}
bool HTMLTableCellElement::IsURLAttribute(const Attribute& attribute) const {
return attribute.GetName() == kBackgroundAttr ||
HTMLTablePartElement::IsURLAttribute(attribute);
}
bool HTMLTableCellElement::HasLegalLinkAttribute(
const QualifiedName& name) const {
return (HasTagName(kTdTag) && name == kBackgroundAttr) ||
HTMLTablePartElement::HasLegalLinkAttribute(name);
}
const QualifiedName& HTMLTableCellElement::SubResourceAttributeName() const {
return HasTagName(kTdTag) ? kBackgroundAttr
: HTMLTablePartElement::SubResourceAttributeName();
}
const AtomicString& HTMLTableCellElement::Abbr() const {
return FastGetAttribute(kAbbrAttr);
}
const AtomicString& HTMLTableCellElement::Axis() const {
return FastGetAttribute(kAxisAttr);
}
void HTMLTableCellElement::setColSpan(unsigned n) {
SetUnsignedIntegralAttribute(kColspanAttr, n, kDefaultColSpan);
}
const AtomicString& HTMLTableCellElement::Headers() const {
return FastGetAttribute(kHeadersAttr);
}
void HTMLTableCellElement::setRowSpan(unsigned n) {
SetUnsignedIntegralAttribute(kRowspanAttr, n, kDefaultRowSpan);
}
} // namespace blink