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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/HTMLTableColElement.h"
#include "nsMappedAttributes.h"
#include "nsAttrValueInlines.h"
#include "nsRuleData.h"
#include "mozilla/dom/HTMLTableColElementBinding.h"
NS_IMPL_NS_NEW_HTML_ELEMENT(TableCol)
namespace mozilla {
namespace dom {
// use the same protection as ancient code did
// http://lxr.mozilla.org/classic/source/lib/layout/laytable.c#46
#define MAX_COLSPAN 1000
HTMLTableColElement::~HTMLTableColElement()
{
}
JSObject*
HTMLTableColElement::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
{
return HTMLTableColElementBinding::Wrap(aCx, this, aGivenProto);
}
NS_IMPL_ELEMENT_CLONE(HTMLTableColElement)
bool
HTMLTableColElement::ParseAttribute(int32_t aNamespaceID,
nsIAtom* aAttribute,
const nsAString& aValue,
nsAttrValue& aResult)
{
if (aNamespaceID == kNameSpaceID_None) {
/* ignore these attributes, stored simply as strings ch */
if (aAttribute == nsGkAtoms::charoff) {
return aResult.ParseSpecialIntValue(aValue);
}
if (aAttribute == nsGkAtoms::span) {
/* protection from unrealistic large colspan values */
aResult.ParseIntWithFallback(aValue, 1, MAX_COLSPAN);
return true;
}
if (aAttribute == nsGkAtoms::width) {
return aResult.ParseSpecialIntValue(aValue);
}
if (aAttribute == nsGkAtoms::align) {
return ParseTableCellHAlignValue(aValue, aResult);
}
if (aAttribute == nsGkAtoms::valign) {
return ParseTableVAlignValue(aValue, aResult);
}
}
return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
aResult);
}
void
HTMLTableColElement::MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
nsRuleData* aData)
{
if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Table)) {
nsCSSValue *span = aData->ValueForSpan();
if (span->GetUnit() == eCSSUnit_Null) {
// span: int
const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::span);
if (value && value->Type() == nsAttrValue::eInteger) {
int32_t val = value->GetIntegerValue();
// Note: Do NOT use this code for table cells! The value "0"
// means something special for colspan and rowspan, but for <col
// span> and <colgroup span> it's just disallowed.
if (val > 0) {
span->SetIntValue(value->GetIntegerValue(), eCSSUnit_Integer);
}
}
}
}
if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Position)) {
nsCSSValue* width = aData->ValueForWidth();
if (width->GetUnit() == eCSSUnit_Null) {
// width
const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::width);
if (value) {
switch (value->Type()) {
case nsAttrValue::ePercent: {
width->SetPercentValue(value->GetPercentValue());
break;
}
case nsAttrValue::eInteger: {
width->SetFloatValue((float)value->GetIntegerValue(), eCSSUnit_Pixel);
break;
}
default:
break;
}
}
}
}
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);
}
}
if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Display)) {
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::MapCommonAttributesInto(aAttributes, aData);
}
NS_IMETHODIMP_(bool)
HTMLTableColElement::IsAttributeMapped(const nsIAtom* aAttribute) const
{
static const MappedAttributeEntry attributes[] = {
{ &nsGkAtoms::width },
{ &nsGkAtoms::align },
{ &nsGkAtoms::valign },
{ &nsGkAtoms::span },
{ nullptr }
};
static const MappedAttributeEntry* const map[] = {
attributes,
sCommonAttributeMap,
};
return FindAttributeDependence(aAttribute, map);
}
nsMapRuleToAttributesFunc
HTMLTableColElement::GetAttributeMappingFunction() const
{
return &MapAttributesIntoRule;
}
} // namespace dom
} // namespace mozilla
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