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-rw-r--r--dom/html/HTMLFontElement.cpp140
1 files changed, 140 insertions, 0 deletions
diff --git a/dom/html/HTMLFontElement.cpp b/dom/html/HTMLFontElement.cpp
new file mode 100644
index 000000000..30cb9de8b
--- /dev/null
+++ b/dom/html/HTMLFontElement.cpp
@@ -0,0 +1,140 @@
+/* -*- 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 "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