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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "nsAttrValueInlines.h"
#include "nsMappedAttributes.h"
#include "nsRuleData.h"
#include "nsContentUtils.h"
#include "nsCSSParser.h"
NS_IMPL_NS_NEW_HTML_ELEMENT(Font)
namespace mozilla {
namespace dom {
HTMLFontElement::~HTMLFontElement()
{
}
JSObject*
HTMLFontElement::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
{
return HTMLFontElementBinding::Wrap(aCx, this, aGivenProto);
}
NS_IMPL_ELEMENT_CLONE(HTMLFontElement)
bool
HTMLFontElement::ParseAttribute(int32_t aNamespaceID,
nsIAtom* aAttribute,
const nsAString& aValue,
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,
aResult);
}
void
HTMLFontElement::MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
nsRuleData* aData)
{
if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Font)) {
// face: string list
nsCSSValue* family = aData->ValueForFontFamily();
if (family->GetUnit() == eCSSUnit_Null) {
const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::face);
if (value && value->Type() == nsAttrValue::eString &&
!value->IsEmptyString()) {
nsCSSParser parser;
parser.ParseFontFamilyListString(value->GetStringValue(),
nullptr, 0, *family);
}
}
// size: int
nsCSSValue* fontSize = aData->ValueForFontSize();
if (fontSize->GetUnit() == eCSSUnit_Null) {
const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::size);
if (value && value->Type() == nsAttrValue::eInteger) {
fontSize->SetIntValue(value->GetIntegerValue(), eCSSUnit_Enumerated);
}
}
}
if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Color)) {
nsCSSValue* colorValue = aData->ValueForColor();
if (colorValue->GetUnit() == eCSSUnit_Null &&
aData->mPresContext->UseDocumentColors()) {
// color: color
const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::color);
nscolor color;
if (value && value->GetColorValue(color)) {
colorValue->SetColorValue(color);
}
}
}
if (aData->mSIDs & NS_STYLE_INHERIT_BIT(TextReset) &&
aData->mPresContext->CompatibilityMode() == 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)) {
nsCSSValue* decoration = aData->ValueForTextDecorationLine();
int32_t newValue = NS_STYLE_TEXT_DECORATION_LINE_OVERRIDE_ALL;
if (decoration->GetUnit() == eCSSUnit_Enumerated) {
newValue |= decoration->GetIntValue();
}
decoration->SetIntValue(newValue, eCSSUnit_Enumerated);
}
}
nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
}
NS_IMETHODIMP_(bool)
HTMLFontElement::IsAttributeMapped(const nsIAtom* 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
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