gecko/dom/html/HTMLBRElement.cpp
2015-05-03 15:32:37 -04:00

100 lines
2.7 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 "nsAttrValueInlines.h"
#include "nsStyleConsts.h"
#include "nsMappedAttributes.h"
#include "nsRuleData.h"
NS_IMPL_NS_NEW_HTML_ELEMENT(BR)
namespace mozilla {
namespace dom {
HTMLBRElement::HTMLBRElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
: nsGenericHTMLElement(aNodeInfo)
{
}
HTMLBRElement::~HTMLBRElement()
{
}
NS_IMPL_ELEMENT_CLONE(HTMLBRElement)
static const nsAttrValue::EnumTable kClearTable[] = {
{ "left", NS_STYLE_CLEAR_LEFT },
{ "right", NS_STYLE_CLEAR_RIGHT },
{ "all", NS_STYLE_CLEAR_BOTH },
{ "both", NS_STYLE_CLEAR_BOTH },
{ 0 }
};
bool
HTMLBRElement::ParseAttribute(int32_t aNamespaceID,
nsIAtom* aAttribute,
const nsAString& aValue,
nsAttrValue& aResult)
{
if (aAttribute == nsGkAtoms::clear && aNamespaceID == kNameSpaceID_None) {
return aResult.ParseEnumValue(aValue, kClearTable, false);
}
return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
aResult);
}
void
HTMLBRElement::MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
nsRuleData* aData)
{
if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Display)) {
nsCSSValue* clear = aData->ValueForClear();
if (clear->GetUnit() == eCSSUnit_Null) {
const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::clear);
if (value && value->Type() == nsAttrValue::eEnum)
clear->SetIntValue(value->GetEnumValue(), eCSSUnit_Enumerated);
}
}
nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
}
NS_IMETHODIMP_(bool)
HTMLBRElement::IsAttributeMapped(const nsIAtom* 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 HTMLBRElementBinding::Wrap(aCx, this, aGivenProto);
}
} // namespace dom
} // namespace mozilla