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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/HTMLTableCellElement.h"
#include "celldata.h"
#include "mozilla/MappedDeclarationsBuilder.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/HTMLTableCellElementBinding.h"
#include "mozilla/dom/HTMLTableElement.h"
#include "mozilla/dom/HTMLTableRowElement.h"
#include "nsAttrValueInlines.h"
namespace {
enum class StyleCellScope : uint8_t { Row, Col, Rowgroup, Colgroup };
} // namespace
NS_IMPL_NS_NEW_HTML_ELEMENT(TableCell)
namespace mozilla::dom {
HTMLTableCellElement::~HTMLTableCellElement() = default;
JSObject* HTMLTableCellElement::WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return HTMLTableCellElement_Binding::Wrap(aCx, this, aGivenProto);
}
NS_IMPL_ELEMENT_CLONE(HTMLTableCellElement)
// protected method
HTMLTableRowElement* HTMLTableCellElement::GetRow() const {
return HTMLTableRowElement::FromNodeOrNull(GetParent());
}
// protected method
HTMLTableElement* HTMLTableCellElement::GetTable() const {
nsIContent* parent = GetParent();
if (!parent) {
return nullptr;
}
// parent should be a row.
nsIContent* section = parent->GetParent();
if (!section) {
return nullptr;
}
if (section->IsHTMLElement(nsGkAtoms::table)) {
// XHTML, without a row group.
return static_cast<HTMLTableElement*>(section);
}
// We have a row group.
nsIContent* result = section->GetParent();
if (result && result->IsHTMLElement(nsGkAtoms::table)) {
return static_cast<HTMLTableElement*>(result);
}
return nullptr;
}
int32_t HTMLTableCellElement::CellIndex() const {
HTMLTableRowElement* row = GetRow();
if (!row) {
return -1;
}
nsIHTMLCollection* cells = row->Cells();
if (!cells) {
return -1;
}
uint32_t numCells = cells->Length();
for (uint32_t i = 0; i < numCells; i++) {
if (cells->Item(i) == this) {
return i;
}
}
return -1;
}
StyleLockedDeclarationBlock*
HTMLTableCellElement::GetMappedAttributesInheritedFromTable() const {
if (HTMLTableElement* table = GetTable()) {
return table->GetAttributesMappedForCell();
}
return nullptr;
}
void HTMLTableCellElement::GetAlign(DOMString& aValue) {
if (!GetAttr(nsGkAtoms::align, aValue)) {
// There's no align attribute, ask the row for the alignment.
HTMLTableRowElement* row = GetRow();
if (row) {
row->GetAlign(aValue);
}
}
}
static constexpr nsAttrValue::EnumTableEntry kCellScopeTable[] = {
{"row", StyleCellScope::Row},
{"col", StyleCellScope::Col},
{"rowgroup", StyleCellScope::Rowgroup},
{"colgroup", StyleCellScope::Colgroup},
};
void HTMLTableCellElement::GetScope(DOMString& aScope) {
GetEnumAttr(nsGkAtoms::scope, nullptr, aScope);
}
bool HTMLTableCellElement::ParseAttribute(int32_t aNamespaceID,
nsAtom* aAttribute,
const nsAString& aValue,
nsIPrincipal* aMaybeScriptedPrincipal,
nsAttrValue& aResult) {
if (aNamespaceID == kNameSpaceID_None) {
/* ignore these attributes, stored simply as strings
abbr, axis, ch, headers
*/
if (aAttribute == nsGkAtoms::colspan) {
aResult.ParseClampedNonNegativeInt(aValue, 1, 1, MAX_COLSPAN);
return true;
}
if (aAttribute == nsGkAtoms::rowspan) {
aResult.ParseClampedNonNegativeInt(aValue, 1, 0, MAX_ROWSPAN);
// quirks mode does not honor the special html 4 value of 0
if (aResult.GetIntegerValue() == 0 && InNavQuirksMode(OwnerDoc())) {
aResult.SetTo(1, &aValue);
}
return true;
}
if (aAttribute == nsGkAtoms::height) {
return aResult.ParseNonzeroHTMLDimension(aValue);
}
if (aAttribute == nsGkAtoms::width) {
return aResult.ParseNonzeroHTMLDimension(aValue);
}
if (aAttribute == nsGkAtoms::align) {
return ParseTableCellHAlignValue(aValue, aResult);
}
if (aAttribute == nsGkAtoms::bgcolor) {
return aResult.ParseColor(aValue);
}
if (aAttribute == nsGkAtoms::scope) {
return aResult.ParseEnumValue(aValue, kCellScopeTable, false);
}
if (aAttribute == nsGkAtoms::valign) {
return ParseTableVAlignValue(aValue, aResult);
}
}
return nsGenericHTMLElement::ParseBackgroundAttribute(
aNamespaceID, aAttribute, aValue, aResult) ||
nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
aMaybeScriptedPrincipal, aResult);
}
void HTMLTableCellElement::MapAttributesIntoRule(
MappedDeclarationsBuilder& aBuilder) {
MapImageSizeAttributesInto(aBuilder);
if (!aBuilder.PropertyIsSet(eCSSProperty_text_wrap_mode)) {
// nowrap: enum
if (aBuilder.GetAttr(nsGkAtoms::nowrap)) {
// See if our width is not a nonzero integer width.
const nsAttrValue* value = aBuilder.GetAttr(nsGkAtoms::width);
nsCompatibility mode = aBuilder.Document().GetCompatibilityMode();
if (!value || value->Type() != nsAttrValue::eInteger ||
value->GetIntegerValue() == 0 || eCompatibility_NavQuirks != mode) {
aBuilder.SetKeywordValue(eCSSProperty_text_wrap_mode,
StyleTextWrapMode::Nowrap);
}
}
}
nsGenericHTMLElement::MapDivAlignAttributeInto(aBuilder);
nsGenericHTMLElement::MapVAlignAttributeInto(aBuilder);
nsGenericHTMLElement::MapBackgroundAttributesInto(aBuilder);
nsGenericHTMLElement::MapCommonAttributesInto(aBuilder);
}
NS_IMETHODIMP_(bool)
HTMLTableCellElement::IsAttributeMapped(const nsAtom* aAttribute) const {
static const MappedAttributeEntry attributes[] = {
{nsGkAtoms::align}, {nsGkAtoms::valign}, {nsGkAtoms::nowrap},
#if 0
// XXXldb If these are implemented, they might need to move to
// GetAttributeChangeHint (depending on how, and preferably not).
{ nsGkAtoms::abbr },
{ nsGkAtoms::axis },
{ nsGkAtoms::headers },
{ nsGkAtoms::scope },
#endif
{nsGkAtoms::width}, {nsGkAtoms::height}, {nullptr}};
static const MappedAttributeEntry* const map[] = {
attributes,
sCommonAttributeMap,
sBackgroundAttributeMap,
};
return FindAttributeDependence(aAttribute, map);
}
nsMapRuleToAttributesFunc HTMLTableCellElement::GetAttributeMappingFunction()
const {
return &MapAttributesIntoRule;
}
} // namespace mozilla::dom
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