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-rw-r--r--dom/html/HTMLFontElement.cpp106
1 files changed, 106 insertions, 0 deletions
diff --git a/dom/html/HTMLFontElement.cpp b/dom/html/HTMLFontElement.cpp
new file mode 100644
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+++ b/dom/html/HTMLFontElement.cpp
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+/* -*- 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/Document.h"
+#include "mozilla/dom/HTMLFontElementBinding.h"
+#include "mozilla/MappedDeclarationsBuilder.h"
+#include "nsAttrValueInlines.h"
+#include "nsContentUtils.h"
+
+NS_IMPL_NS_NEW_HTML_ELEMENT(Font)
+
+namespace mozilla::dom {
+
+HTMLFontElement::~HTMLFontElement() = default;
+
+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(
+ MappedDeclarationsBuilder& aBuilder) {
+ // face: string list
+ if (!aBuilder.PropertyIsSet(eCSSProperty_font_family)) {
+ const nsAttrValue* value = aBuilder.GetAttr(nsGkAtoms::face);
+ if (value && value->Type() == nsAttrValue::eString &&
+ !value->IsEmptyString()) {
+ aBuilder.SetFontFamily(NS_ConvertUTF16toUTF8(value->GetStringValue()));
+ }
+ }
+ // size: int
+ if (!aBuilder.PropertyIsSet(eCSSProperty_font_size)) {
+ const nsAttrValue* value = aBuilder.GetAttr(nsGkAtoms::size);
+ if (value && value->Type() == nsAttrValue::eInteger) {
+ aBuilder.SetKeywordValue(eCSSProperty_font_size,
+ value->GetIntegerValue());
+ }
+ }
+ if (!aBuilder.PropertyIsSet(eCSSProperty_color)) {
+ // color: color
+ const nsAttrValue* value = aBuilder.GetAttr(nsGkAtoms::color);
+ nscolor color;
+ if (value && value->GetColorValue(color)) {
+ aBuilder.SetColorValue(eCSSProperty_color, color);
+ }
+ }
+ if (aBuilder.Document().GetCompatibilityMode() == eCompatibility_NavQuirks) {
+ // Make <a><font color="red">text</font></a> give the text a red underline
+ // in quirks mode. The StyleTextDecorationLine_COLOR_OVERRIDE flag only
+ // affects quirks mode rendering.
+ const nsAttrValue* value = aBuilder.GetAttr(nsGkAtoms::color);
+ nscolor color;
+ if (value && value->GetColorValue(color)) {
+ aBuilder.SetTextDecorationColorOverride();
+ }
+ }
+
+ nsGenericHTMLElement::MapCommonAttributesInto(aBuilder);
+}
+
+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 mozilla::dom