gecko-dev/dom/html/HTMLTableCellElement.cpp

548 lines
13 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "mozilla/dom/HTMLTableElement.h"
#include "mozilla/dom/HTMLTableRowElement.h"
#include "nsMappedAttributes.h"
#include "nsAttrValueInlines.h"
#include "nsRuleData.h"
#include "nsRuleWalker.h"
#include "celldata.h"
#include "mozilla/dom/HTMLTableCellElementBinding.h"
NS_IMPL_NS_NEW_HTML_ELEMENT(TableCell)
namespace mozilla {
namespace dom {
HTMLTableCellElement::~HTMLTableCellElement()
{
}
JSObject*
HTMLTableCellElement::WrapNode(JSContext *aCx)
{
return HTMLTableCellElementBinding::Wrap(aCx, this);
}
NS_IMPL_ISUPPORTS_INHERITED(HTMLTableCellElement, nsGenericHTMLElement,
nsIDOMHTMLTableCellElement)
NS_IMPL_ELEMENT_CLONE(HTMLTableCellElement)
// protected method
HTMLTableRowElement*
HTMLTableCellElement::GetRow() const
{
return HTMLTableRowElement::FromContentOrNull(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;
}
NS_IMETHODIMP
HTMLTableCellElement::GetCellIndex(int32_t* aCellIndex)
{
*aCellIndex = CellIndex();
return NS_OK;
}
NS_IMETHODIMP
HTMLTableCellElement::WalkContentStyleRules(nsRuleWalker* aRuleWalker)
{
nsresult rv = nsGenericHTMLElement::WalkContentStyleRules(aRuleWalker);
NS_ENSURE_SUCCESS(rv, rv);
if (HTMLTableElement* table = GetTable()) {
nsMappedAttributes* tableInheritedAttributes =
table->GetAttributesMappedForCell();
if (tableInheritedAttributes) {
aRuleWalker->Forward(tableInheritedAttributes);
}
}
return NS_OK;
}
NS_IMETHODIMP
HTMLTableCellElement::SetAbbr(const nsAString& aAbbr)
{
ErrorResult rv;
SetAbbr(aAbbr, rv);
return rv.ErrorCode();
}
NS_IMETHODIMP
HTMLTableCellElement::GetAbbr(nsAString& aAbbr)
{
DOMString abbr;
GetAbbr(abbr);
abbr.ToString(aAbbr);
return NS_OK;
}
NS_IMETHODIMP
HTMLTableCellElement::SetAxis(const nsAString& aAxis)
{
ErrorResult rv;
SetAxis(aAxis, rv);
return rv.ErrorCode();
}
NS_IMETHODIMP
HTMLTableCellElement::GetAxis(nsAString& aAxis)
{
DOMString axis;
GetAxis(axis);
axis.ToString(aAxis);
return NS_OK;
}
NS_IMETHODIMP
HTMLTableCellElement::SetAlign(const nsAString& aAlign)
{
ErrorResult rv;
SetAlign(aAlign, rv);
return rv.ErrorCode();
}
NS_IMETHODIMP
HTMLTableCellElement::GetAlign(nsAString& aAlign)
{
DOMString align;
GetAlign(align);
align.ToString(aAlign);
return NS_OK;
}
NS_IMETHODIMP
HTMLTableCellElement::SetVAlign(const nsAString& aVAlign)
{
ErrorResult rv;
SetVAlign(aVAlign, rv);
return rv.ErrorCode();
}
NS_IMETHODIMP
HTMLTableCellElement::GetVAlign(nsAString& aVAlign)
{
DOMString vAlign;
GetVAlign(vAlign);
vAlign.ToString(aVAlign);
return NS_OK;
}
NS_IMETHODIMP
HTMLTableCellElement::SetCh(const nsAString& aCh)
{
ErrorResult rv;
SetCh(aCh, rv);
return rv.ErrorCode();
}
NS_IMETHODIMP
HTMLTableCellElement::GetCh(nsAString& aCh)
{
DOMString ch;
GetCh(ch);
ch.ToString(aCh);
return NS_OK;
}
NS_IMETHODIMP
HTMLTableCellElement::SetChOff(const nsAString& aChOff)
{
ErrorResult rv;
SetChOff(aChOff, rv);
return rv.ErrorCode();
}
NS_IMETHODIMP
HTMLTableCellElement::GetChOff(nsAString& aChOff)
{
DOMString chOff;
GetChOff(chOff);
chOff.ToString(aChOff);
return NS_OK;
}
NS_IMETHODIMP
HTMLTableCellElement::SetBgColor(const nsAString& aBgColor)
{
ErrorResult rv;
SetBgColor(aBgColor, rv);
return rv.ErrorCode();
}
NS_IMETHODIMP
HTMLTableCellElement::GetBgColor(nsAString& aBgColor)
{
DOMString bgColor;
GetBgColor(bgColor);
bgColor.ToString(aBgColor);
return NS_OK;
}
NS_IMETHODIMP
HTMLTableCellElement::SetHeight(const nsAString& aHeight)
{
ErrorResult rv;
SetHeight(aHeight, rv);
return rv.ErrorCode();
}
NS_IMETHODIMP
HTMLTableCellElement::GetHeight(nsAString& aHeight)
{
DOMString height;
GetHeight(height);
height.ToString(aHeight);
return NS_OK;
}
NS_IMETHODIMP
HTMLTableCellElement::SetWidth(const nsAString& aWidth)
{
ErrorResult rv;
SetWidth(aWidth, rv);
return rv.ErrorCode();
}
NS_IMETHODIMP
HTMLTableCellElement::GetWidth(nsAString& aWidth)
{
DOMString width;
GetWidth(width);
width.ToString(aWidth);
return NS_OK;
}
NS_IMETHODIMP
HTMLTableCellElement::SetNoWrap(bool aNoWrap)
{
ErrorResult rv;
SetNoWrap(aNoWrap, rv);
return rv.ErrorCode();
}
NS_IMETHODIMP
HTMLTableCellElement::GetNoWrap(bool* aNoWrap)
{
*aNoWrap = NoWrap();
return NS_OK;
}
NS_IMETHODIMP
HTMLTableCellElement::SetScope(const nsAString& aScope)
{
ErrorResult rv;
SetScope(aScope, rv);
return rv.ErrorCode();
}
NS_IMETHODIMP
HTMLTableCellElement::GetScope(nsAString& aScope)
{
DOMString scope;
GetScope(scope);
scope.ToString(aScope);
return NS_OK;
}
NS_IMETHODIMP
HTMLTableCellElement::SetHeaders(const nsAString& aHeaders)
{
ErrorResult rv;
SetHeaders(aHeaders, rv);
return rv.ErrorCode();
}
NS_IMETHODIMP
HTMLTableCellElement::GetHeaders(nsAString& aHeaders)
{
DOMString headers;
GetHeaders(headers);
headers.ToString(aHeaders);
return NS_OK;
}
NS_IMETHODIMP
HTMLTableCellElement::SetColSpan(int32_t aColSpan)
{
ErrorResult rv;
SetColSpan(aColSpan, rv);
return rv.ErrorCode();
}
NS_IMETHODIMP
HTMLTableCellElement::GetColSpan(int32_t* aColSpan)
{
*aColSpan = ColSpan();
return NS_OK;
}
NS_IMETHODIMP
HTMLTableCellElement::SetRowSpan(int32_t aRowSpan)
{
ErrorResult rv;
SetRowSpan(aRowSpan, rv);
return rv.ErrorCode();
}
NS_IMETHODIMP
HTMLTableCellElement::GetRowSpan(int32_t* aRowSpan)
{
*aRowSpan = RowSpan();
return NS_OK;
}
void
HTMLTableCellElement::GetAlign(DOMString& aValue)
{
if (!GetAttr(kNameSpaceID_None, nsGkAtoms::align, aValue)) {
// There's no align attribute, ask the row for the alignment.
HTMLTableRowElement* row = GetRow();
if (row) {
row->GetAlign(aValue);
}
}
}
static const nsAttrValue::EnumTable kCellScopeTable[] = {
{ "row", NS_STYLE_CELL_SCOPE_ROW },
{ "col", NS_STYLE_CELL_SCOPE_COL },
{ "rowgroup", NS_STYLE_CELL_SCOPE_ROWGROUP },
{ "colgroup", NS_STYLE_CELL_SCOPE_COLGROUP },
{ 0 }
};
bool
HTMLTableCellElement::ParseAttribute(int32_t aNamespaceID,
nsIAtom* aAttribute,
const nsAString& aValue,
nsAttrValue& aResult)
{
if (aNamespaceID == kNameSpaceID_None) {
/* ignore these attributes, stored simply as strings
abbr, axis, ch, headers
*/
if (aAttribute == nsGkAtoms::charoff) {
/* attributes that resolve to integers with a min of 0 */
return aResult.ParseIntWithBounds(aValue, 0);
}
if (aAttribute == nsGkAtoms::colspan) {
bool res = aResult.ParseIntWithBounds(aValue, -1);
if (res) {
int32_t val = aResult.GetIntegerValue();
// reset large colspan values as IE and opera do
// quirks mode does not honor the special html 4 value of 0
if (val > MAX_COLSPAN || val < 0 ||
(0 == val && InNavQuirksMode(OwnerDoc()))) {
aResult.SetTo(1, &aValue);
}
}
return res;
}
if (aAttribute == nsGkAtoms::rowspan) {
bool res = aResult.ParseIntWithBounds(aValue, -1, MAX_ROWSPAN);
if (res) {
int32_t val = aResult.GetIntegerValue();
// quirks mode does not honor the special html 4 value of 0
if (val < 0 || (0 == val && InNavQuirksMode(OwnerDoc()))) {
aResult.SetTo(1, &aValue);
}
}
return res;
}
if (aAttribute == nsGkAtoms::height) {
return aResult.ParseSpecialIntValue(aValue);
}
if (aAttribute == nsGkAtoms::width) {
return aResult.ParseSpecialIntValue(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,
aResult);
}
void
HTMLTableCellElement::MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
nsRuleData* aData)
{
if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Position)) {
// width: value
nsCSSValue* width = aData->ValueForWidth();
if (width->GetUnit() == eCSSUnit_Null) {
const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::width);
if (value && value->Type() == nsAttrValue::eInteger) {
if (value->GetIntegerValue() > 0)
width->SetFloatValue((float)value->GetIntegerValue(), eCSSUnit_Pixel);
// else 0 implies auto for compatibility.
}
else if (value && value->Type() == nsAttrValue::ePercent) {
if (value->GetPercentValue() > 0.0f)
width->SetPercentValue(value->GetPercentValue());
// else 0 implies auto for compatibility
}
}
// height: value
nsCSSValue* height = aData->ValueForHeight();
if (height->GetUnit() == eCSSUnit_Null) {
const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::height);
if (value && value->Type() == nsAttrValue::eInteger) {
if (value->GetIntegerValue() > 0)
height->SetFloatValue((float)value->GetIntegerValue(), eCSSUnit_Pixel);
// else 0 implies auto for compatibility.
}
else if (value && value->Type() == nsAttrValue::ePercent) {
if (value->GetPercentValue() > 0.0f)
height->SetPercentValue(value->GetPercentValue());
// else 0 implies auto for compatibility
}
}
}
if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Text)) {
nsCSSValue* textAlign = aData->ValueForTextAlign();
if (textAlign->GetUnit() == eCSSUnit_Null) {
// align: enum
const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::align);
if (value && value->Type() == nsAttrValue::eEnum)
textAlign->SetIntValue(value->GetEnumValue(), eCSSUnit_Enumerated);
}
nsCSSValue* whiteSpace = aData->ValueForWhiteSpace();
if (whiteSpace->GetUnit() == eCSSUnit_Null) {
// nowrap: enum
if (aAttributes->GetAttr(nsGkAtoms::nowrap)) {
// See if our width is not a nonzero integer width.
const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::width);
nsCompatibility mode = aData->mPresContext->CompatibilityMode();
if (!value || value->Type() != nsAttrValue::eInteger ||
value->GetIntegerValue() == 0 ||
eCompatibility_NavQuirks != mode) {
whiteSpace->SetIntValue(NS_STYLE_WHITESPACE_NOWRAP, eCSSUnit_Enumerated);
}
}
}
}
if (aData->mSIDs & NS_STYLE_INHERIT_BIT(TextReset)) {
nsCSSValue* verticalAlign = aData->ValueForVerticalAlign();
if (verticalAlign->GetUnit() == eCSSUnit_Null) {
// valign: enum
const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::valign);
if (value && value->Type() == nsAttrValue::eEnum)
verticalAlign->SetIntValue(value->GetEnumValue(), eCSSUnit_Enumerated);
}
}
nsGenericHTMLElement::MapBackgroundAttributesInto(aAttributes, aData);
nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
}
NS_IMETHODIMP_(bool)
HTMLTableCellElement::IsAttributeMapped(const nsIAtom* 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 dom
} // namespace mozilla