141 lines
4.3 KiB
C++
141 lines
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "HTMLFontElement.h"
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#include "mozilla/dom/HTMLFontElementBinding.h"
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#include "nsAttrValueInlines.h"
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#include "nsMappedAttributes.h"
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#include "nsRuleData.h"
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#include "nsContentUtils.h"
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#include "nsCSSParser.h"
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NS_IMPL_NS_NEW_HTML_ELEMENT(Font)
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namespace mozilla {
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namespace dom {
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HTMLFontElement::~HTMLFontElement()
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{
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}
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JSObject*
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HTMLFontElement::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return HTMLFontElementBinding::Wrap(aCx, this, aGivenProto);
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}
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NS_IMPL_ELEMENT_CLONE(HTMLFontElement)
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bool
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HTMLFontElement::ParseAttribute(int32_t aNamespaceID,
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nsIAtom* aAttribute,
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const nsAString& aValue,
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nsAttrValue& aResult)
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{
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if (aNamespaceID == kNameSpaceID_None) {
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if (aAttribute == nsGkAtoms::size) {
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int32_t size = nsContentUtils::ParseLegacyFontSize(aValue);
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if (size) {
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aResult.SetTo(size, &aValue);
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return true;
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}
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return false;
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}
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if (aAttribute == nsGkAtoms::color) {
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return aResult.ParseColor(aValue);
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}
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}
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return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
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aResult);
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}
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void
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HTMLFontElement::MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
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nsRuleData* aData)
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{
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if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Font)) {
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// face: string list
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nsCSSValue* family = aData->ValueForFontFamily();
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if (family->GetUnit() == eCSSUnit_Null) {
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const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::face);
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if (value && value->Type() == nsAttrValue::eString &&
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!value->IsEmptyString()) {
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nsCSSParser parser;
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parser.ParseFontFamilyListString(value->GetStringValue(),
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nullptr, 0, *family);
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}
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}
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// size: int
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nsCSSValue* fontSize = aData->ValueForFontSize();
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if (fontSize->GetUnit() == eCSSUnit_Null) {
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const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::size);
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if (value && value->Type() == nsAttrValue::eInteger) {
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fontSize->SetIntValue(value->GetIntegerValue(), eCSSUnit_Enumerated);
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}
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}
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}
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if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Color)) {
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nsCSSValue* colorValue = aData->ValueForColor();
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if (colorValue->GetUnit() == eCSSUnit_Null &&
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aData->mPresContext->UseDocumentColors()) {
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// color: color
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const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::color);
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nscolor color;
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if (value && value->GetColorValue(color)) {
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colorValue->SetColorValue(color);
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}
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}
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}
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if (aData->mSIDs & NS_STYLE_INHERIT_BIT(TextReset) &&
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aData->mPresContext->CompatibilityMode() == eCompatibility_NavQuirks) {
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// Make <a><font color="red">text</font></a> give the text a red underline
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// in quirks mode. The NS_STYLE_TEXT_DECORATION_LINE_OVERRIDE_ALL flag only
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// affects quirks mode rendering.
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const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::color);
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nscolor color;
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if (value && value->GetColorValue(color)) {
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nsCSSValue* decoration = aData->ValueForTextDecorationLine();
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int32_t newValue = NS_STYLE_TEXT_DECORATION_LINE_OVERRIDE_ALL;
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if (decoration->GetUnit() == eCSSUnit_Enumerated) {
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newValue |= decoration->GetIntValue();
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}
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decoration->SetIntValue(newValue, eCSSUnit_Enumerated);
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}
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}
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nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
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}
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NS_IMETHODIMP_(bool)
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HTMLFontElement::IsAttributeMapped(const nsIAtom* aAttribute) const
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{
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static const MappedAttributeEntry attributes[] = {
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{ &nsGkAtoms::face },
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{ &nsGkAtoms::size },
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{ &nsGkAtoms::color },
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{ nullptr }
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};
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static const MappedAttributeEntry* const map[] = {
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attributes,
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sCommonAttributeMap,
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};
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return FindAttributeDependence(aAttribute, map);
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}
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nsMapRuleToAttributesFunc
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HTMLFontElement::GetAttributeMappingFunction() const
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{
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return &MapAttributesIntoRule;
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}
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} // namespace dom
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} // namespace mozilla
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