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