/* -*- 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 "HTMLFontElement.h"

#include "mozilla/dom/HTMLFontElementBinding.h"

#include "mozilla/MappedDeclarations.h"

#include "nsAttrValueInlines.h"

#include "nsMappedAttributes.h"

#include "nsContentUtils.h"

NS_IMPL_NS_NEW_HTML_ELEMENT(Font)

namespace mozilla {

namespace dom {

HTMLFontElement::~HTMLFontElement()

{

}

JSObject*

HTMLFontElement::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)

{

  return HTMLFontElement_Binding::Wrap(aCx, this, aGivenProto);

}

NS_IMPL_ELEMENT_CLONE(HTMLFontElement)

bool

HTMLFontElement::ParseAttribute(int32_t aNamespaceID,

                                nsAtom* aAttribute,

                                const nsAString& aValue,

                                nsIPrincipal* aMaybeScriptedPrincipal,

                                nsAttrValue& aResult)

{

  if (aNamespaceID == kNameSpaceID_None) {

    if (aAttribute == nsGkAtoms::size) {

      int32_t size = nsContentUtils::ParseLegacyFontSize(aValue);

      if (size) {

        aResult.SetTo(size, &aValue);

        return true;

      }

      return false;

    }

    if (aAttribute == nsGkAtoms::color) {

      return aResult.ParseColor(aValue);

    }

  }

  return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,

                                              aMaybeScriptedPrincipal, aResult);

}

void

HTMLFontElement::MapAttributesIntoRule(const nsMappedAttributes* aAttributes,

                                       MappedDeclarations& aDecls)

{

  // face: string list

  if (!aDecls.PropertyIsSet(eCSSProperty_font_family)) {

    const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::face);

    if (value && value->Type() == nsAttrValue::eString &&

        !value->IsEmptyString()) {

      aDecls.SetFontFamily(value->GetStringValue());

    }

  }

  // size: int

  if (!aDecls.PropertyIsSet(eCSSProperty_font_size)) {

    const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::size);

    if (value && value->Type() == nsAttrValue::eInteger)

      aDecls.SetKeywordValue(eCSSProperty_font_size, value->GetIntegerValue());

  }

  if (!aDecls.PropertyIsSet(eCSSProperty_color)) {

    // color: color

    const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::color);

    nscolor color;

    if (value && value->GetColorValue(color)) {

      aDecls.SetColorValue(eCSSProperty_color, color);

    }

  }

  if (aDecls.Document()->GetCompatibilityMode() == eCompatibility_NavQuirks) {

    // Make <a><font color="red">text</font></a> give the text a red underline

    // in quirks mode.  The NS_STYLE_TEXT_DECORATION_LINE_OVERRIDE_ALL flag only

    // affects quirks mode rendering.

    const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::color);

    nscolor color;

    if (value && value->GetColorValue(color)) {

      aDecls.SetTextDecorationColorOverride();

    }

  }

  nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aDecls);

}

NS_IMETHODIMP_(bool)

HTMLFontElement::IsAttributeMapped(const nsAtom* aAttribute) const

{

  static const MappedAttributeEntry attributes[] = {

    { &nsGkAtoms::face },

    { &nsGkAtoms::size },

    { &nsGkAtoms::color },

    { nullptr }

  };

  static const MappedAttributeEntry* const map[] = {

    attributes,

    sCommonAttributeMap,

  };

  return FindAttributeDependence(aAttribute, map);

}

nsMapRuleToAttributesFunc

HTMLFontElement::GetAttributeMappingFunction() const

{

  return &MapAttributesIntoRule;

}

} // namespace dom

} // namespace mozilla