/* 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/HTMLBRElement.h"
#include "mozilla/MappedDeclarationsBuilder.h"
#include "mozilla/dom/HTMLBRElementBinding.h"
#include "nsAttrValueInlines.h"
#include "nsStyleConsts.h"
NS_IMPL_NS_NEW_HTML_ELEMENT(BR)
namespace mozilla::dom {
HTMLBRElement::HTMLBRElement(already_AddRefed<mozilla::dom::NodeInfo> aNodeInfo)
: nsGenericHTMLElement(std::move(aNodeInfo)) {}
HTMLBRElement::~HTMLBRElement() =
default;
NS_IMPL_ELEMENT_CLONE(HTMLBRElement)
enum
class ClearKeyword : uint8_t { Left =
1, Right, All, Both };
static constexpr nsAttrValue::EnumTableEntry kClearTable[] = {
{
"left", ClearKeyword::Left},
{
"right", ClearKeyword::Right},
{
"all", ClearKeyword::All},
{
"both", ClearKeyword::Both},
};
bool HTMLBRElement::ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
const nsAString& aValue,
nsIPrincipal* aMaybeScriptedPrincipal,
nsAttrValue& aResult) {
if (aAttribute == nsGkAtoms::clear && aNamespaceID == kNameSpaceID_None) {
return aResult.ParseEnumValue(aValue, kClearTable, false);
}
return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
aMaybeScriptedPrincipal, aResult);
}
static StyleClear ClearKeywordToStyleClear(ClearKeyword aAttrVal) {
switch (aAttrVal) {
case ClearKeyword::Left:
return StyleClear::Left;
case ClearKeyword::Right:
return StyleClear::Right;
case ClearKeyword::All:
case ClearKeyword::Both:
// clear=all and clear=both are aliases
return StyleClear::Both;
}
NS_WARNING(
"Invalid ClearKeyword value");
return StyleClear::None;
}
void HTMLBRElement::MapAttributesIntoRule(MappedDeclarationsBuilder& aBuilder)
{
if (!aBuilder.PropertyIsSet(eCSSProperty_clear)) {
const nsAttrValue* value = aBuilder.GetAttr(nsGkAtoms::clear);
if (value && value->Type() == nsAttrValue::eEnum) {
ClearKeyword enumValue = static_cast<ClearKeyword>(value->GetEnumValue());
StyleClear styleClear = ClearKeywordToStyleClear(enumValue);
aBuilder.SetKeywordValue(eCSSProperty_clear, styleClear);
}
}
nsGenericHTMLElement::MapCommonAttributesInto(aBuilder);
}
NS_IMETHODIMP_(bool)
HTMLBRElement::IsAttributeMapped(const nsAtom* aAttribute) const {
static const MappedAttributeEntry attributes[] = {{nsGkAtoms::clear},
{nullptr}};
static const MappedAttributeEntry* const map[] = {
attributes,
sCommonAttributeMap,
};
return FindAttributeDependence(aAttribute, map);
}
nsMapRuleToAttributesFunc HTMLBRElement::GetAttributeMappingFunction() const {
return &MapAttributesIntoRule;
}
JSObject* HTMLBRElement::WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return HTMLBRElement_Binding::Wrap(aCx, this, aGivenProto);
}
} // namespace mozilla::dom