/* -*- 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()

{

}

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