gecko-dev/dom/html/HTMLPreElement.cpp

81 строка
2.4 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/HTMLPreElement.h"
#include "mozilla/dom/HTMLPreElementBinding.h"
#include "mozilla/MappedDeclarationsBuilder.h"
#include "nsAttrValueInlines.h"
#include "nsGkAtoms.h"
#include "nsStyleConsts.h"
NS_IMPL_NS_NEW_HTML_ELEMENT(Pre)
namespace mozilla::dom {
HTMLPreElement::~HTMLPreElement() = default;
NS_IMPL_ELEMENT_CLONE(HTMLPreElement)
bool HTMLPreElement::ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
const nsAString& aValue,
nsIPrincipal* aMaybeScriptedPrincipal,
nsAttrValue& aResult) {
if (aNamespaceID == kNameSpaceID_None) {
if (aAttribute == nsGkAtoms::width) {
return aResult.ParseIntValue(aValue);
}
}
return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
aMaybeScriptedPrincipal, aResult);
}
void HTMLPreElement::MapAttributesIntoRule(
MappedDeclarationsBuilder& aBuilder) {
// wrap: empty
if (aBuilder.GetAttr(nsGkAtoms::wrap)) {
aBuilder.SetKeywordValue(eCSSProperty_white_space,
StyleWhiteSpace::PreWrap);
}
nsGenericHTMLElement::MapCommonAttributesInto(aBuilder);
}
NS_IMETHODIMP_(bool)
HTMLPreElement::IsAttributeMapped(const nsAtom* aAttribute) const {
if (!mNodeInfo->Equals(nsGkAtoms::pre)) {
return nsGenericHTMLElement::IsAttributeMapped(aAttribute);
}
static const MappedAttributeEntry attributes[] = {
{nsGkAtoms::wrap},
{nullptr},
};
static const MappedAttributeEntry* const map[] = {
attributes,
sCommonAttributeMap,
};
return FindAttributeDependence(aAttribute, map);
}
nsMapRuleToAttributesFunc HTMLPreElement::GetAttributeMappingFunction() const {
if (!mNodeInfo->Equals(nsGkAtoms::pre)) {
return nsGenericHTMLElement::GetAttributeMappingFunction();
}
return &MapAttributesIntoRule;
}
JSObject* HTMLPreElement::WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return HTMLPreElement_Binding::Wrap(aCx, this, aGivenProto);
}
} // namespace mozilla::dom