gecko-dev/dom/html/HTMLBRElement.cpp

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2.8 KiB
C++

/* -*- 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/HTMLBRElement.h"
#include "mozilla/dom/HTMLBRElementBinding.h"
#include "mozilla/MappedDeclarations.h"
#include "nsAttrValueInlines.h"
#include "nsStyleConsts.h"
#include "nsMappedAttributes.h"
NS_IMPL_NS_NEW_HTML_ELEMENT(BR)
namespace mozilla {
namespace dom {
HTMLBRElement::HTMLBRElement(
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
: nsGenericHTMLElement(std::move(aNodeInfo)) {}
HTMLBRElement::~HTMLBRElement() = default;
NS_IMPL_ELEMENT_CLONE(HTMLBRElement)
static const nsAttrValue::EnumTable kClearTable[] = {
{"left", StyleClear::Left},
{"right", StyleClear::Right},
{"all", StyleClear::Both},
{"both", StyleClear::Both},
{nullptr, 0}};
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);
}
void HTMLBRElement::MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
MappedDeclarations& aDecls) {
if (!aDecls.PropertyIsSet(eCSSProperty_clear)) {
const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::clear);
if (value && value->Type() == nsAttrValue::eEnum)
aDecls.SetKeywordValue(eCSSProperty_clear, value->GetEnumValue());
}
nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aDecls);
}
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 dom
} // namespace mozilla