| /* |
| * 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 "core/html/HTMLTableCellElement.h" |
| |
| #include "core/CSSPropertyNames.h" |
| #include "core/CSSValueKeywords.h" |
| #include "core/HTMLNames.h" |
| #include "core/dom/Attribute.h" |
| #include "core/dom/ElementTraversal.h" |
| #include "core/html/HTMLTableElement.h" |
| #include "core/html/parser/HTMLParserIdioms.h" |
| #include "core/layout/LayoutTableCell.h" |
| |
| using namespace std; |
| using namespace std; |
| |
| namespace blink { |
| |
| // Rowspan: match Firefox's limit of 65,534. Edge has a higher limit, at |
| // least 2^17. |
| // Colspan: Firefox uses a limit of 1,000 for colspan and resets the value to 1. |
| // TODO(dgrogan): Determine Edge's colspan limit. |
| static const unsigned maxColSpan = 8190; |
| static const unsigned maxRowSpan = 65534; |
| |
| using namespace HTMLNames; |
| |
| inline HTMLTableCellElement::HTMLTableCellElement(const QualifiedName& tagName, Document& document) |
| : HTMLTablePartElement(tagName, document) |
| { |
| } |
| |
| DEFINE_ELEMENT_FACTORY_WITH_TAGNAME(HTMLTableCellElement) |
| |
| unsigned HTMLTableCellElement::colSpan() const |
| { |
| const AtomicString& colSpanValue = fastGetAttribute(colspanAttr); |
| unsigned value = 0; |
| if (colSpanValue.isEmpty() || !parseHTMLNonNegativeInteger(colSpanValue, value)) |
| return 1; |
| return max(1u, min(value, maxColSpan)); |
| } |
| |
| unsigned HTMLTableCellElement::rowSpan() const |
| { |
| const AtomicString& rowSpanValue = fastGetAttribute(rowspanAttr); |
| unsigned value = 0; |
| if (rowSpanValue.isEmpty() || !parseHTMLNonNegativeInteger(rowSpanValue, value)) |
| return 1; |
| return max(1u, min(value, maxRowSpan)); |
| } |
| |
| 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 == nowrapAttr || name == widthAttr || name == heightAttr) |
| return true; |
| return HTMLTablePartElement::isPresentationAttribute(name); |
| } |
| |
| void HTMLTableCellElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStylePropertySet* style) |
| { |
| if (name == nowrapAttr) { |
| addPropertyToPresentationAttributeStyle(style, CSSPropertyWhiteSpace, CSSValueWebkitNowrap); |
| } else if (name == widthAttr) { |
| if (!value.isEmpty()) { |
| int widthInt = value.toInt(); |
| if (widthInt > 0) // width="0" is ignored for compatibility with WinIE. |
| addHTMLLengthToStyle(style, CSSPropertyWidth, value); |
| } |
| } else if (name == heightAttr) { |
| if (!value.isEmpty()) { |
| int heightInt = value.toInt(); |
| if (heightInt > 0) // height="0" is ignored for compatibility with WinIE. |
| addHTMLLengthToStyle(style, CSSPropertyHeight, value); |
| } |
| } else { |
| HTMLTablePartElement::collectStyleForPresentationAttribute(name, value, style); |
| } |
| } |
| |
| void HTMLTableCellElement::parseAttribute(const QualifiedName& name, const AtomicString& oldValue, const AtomicString& value) |
| { |
| if (name == rowspanAttr) { |
| if (layoutObject() && layoutObject()->isTableCell()) |
| toLayoutTableCell(layoutObject())->colSpanOrRowSpanChanged(); |
| } else if (name == colspanAttr) { |
| if (layoutObject() && layoutObject()->isTableCell()) |
| toLayoutTableCell(layoutObject())->colSpanOrRowSpanChanged(); |
| } else { |
| HTMLTablePartElement::parseAttribute(name, oldValue, value); |
| } |
| } |
| |
| const StylePropertySet* HTMLTableCellElement::additionalPresentationAttributeStyle() |
| { |
| if (HTMLTableElement* table = findParentTable()) |
| return table->additionalCellStyle(); |
| return nullptr; |
| } |
| |
| bool HTMLTableCellElement::isURLAttribute(const Attribute& attribute) const |
| { |
| return attribute.name() == backgroundAttr || HTMLTablePartElement::isURLAttribute(attribute); |
| } |
| |
| bool HTMLTableCellElement::hasLegalLinkAttribute(const QualifiedName& name) const |
| { |
| return (hasTagName(tdTag) && name == backgroundAttr) || HTMLTablePartElement::hasLegalLinkAttribute(name); |
| } |
| |
| const QualifiedName& HTMLTableCellElement::subResourceAttributeName() const |
| { |
| return hasTagName(tdTag) ? backgroundAttr : HTMLTablePartElement::subResourceAttributeName(); |
| } |
| |
| const AtomicString& HTMLTableCellElement::abbr() const |
| { |
| return fastGetAttribute(abbrAttr); |
| } |
| |
| const AtomicString& HTMLTableCellElement::axis() const |
| { |
| return fastGetAttribute(axisAttr); |
| } |
| |
| void HTMLTableCellElement::setColSpan(unsigned n) |
| { |
| setUnsignedIntegralAttribute(colspanAttr, n); |
| } |
| |
| const AtomicString& HTMLTableCellElement::headers() const |
| { |
| return fastGetAttribute(headersAttr); |
| } |
| |
| void HTMLTableCellElement::setRowSpan(unsigned n) |
| { |
| setUnsignedIntegralAttribute(rowspanAttr, n); |
| } |
| |
| const AtomicString& HTMLTableCellElement::scope() const |
| { |
| return fastGetAttribute(scopeAttr); |
| } |
| |
| } // namespace blink |