1 files changed, 73 insertions, 0 deletions
diff --git a/dom/html/HTMLTableCaptionElement.cpp b/dom/html/HTMLTableCaptionElement.cpp
new file mode 100644
index 0000000000..8b2657b4f3
--- /dev/null
+++ b/dom/html/HTMLTableCaptionElement.cpp
@@ -0,0 +1,73 @@
+/* -*- 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 "mozilla/dom/HTMLTableCaptionElement.h"
+
+#include "mozilla/MappedDeclarationsBuilder.h"
+#include "nsAttrValueInlines.h"
+#include "nsStyleConsts.h"
+#include "mozilla/dom/HTMLTableCaptionElementBinding.h"
+
+NS_IMPL_NS_NEW_HTML_ELEMENT(TableCaption)
+
+namespace mozilla::dom {
+
+HTMLTableCaptionElement::~HTMLTableCaptionElement() = default;
+
+JSObject* HTMLTableCaptionElement::WrapNode(JSContext* aCx,
+                                            JS::Handle<JSObject*> aGivenProto) {
+  return HTMLTableCaptionElement_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+NS_IMPL_ELEMENT_CLONE(HTMLTableCaptionElement)
+
+static const nsAttrValue::EnumTable kCaptionAlignTable[] = {
+    {"top", StyleCaptionSide::Top},
+    {"bottom", StyleCaptionSide::Bottom},
+    {nullptr, 0}};
+
+bool HTMLTableCaptionElement::ParseAttribute(
+    int32_t aNamespaceID, nsAtom* aAttribute, const nsAString& aValue,
+    nsIPrincipal* aMaybeScriptedPrincipal, nsAttrValue& aResult) {
+  if (aAttribute == nsGkAtoms::align && aNamespaceID == kNameSpaceID_None) {
+    return aResult.ParseEnumValue(aValue, kCaptionAlignTable, false);
+  }
+
+  return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
+                                              aMaybeScriptedPrincipal, aResult);
+}
+
+void HTMLTableCaptionElement::MapAttributesIntoRule(
+    MappedDeclarationsBuilder& aBuilder) {
+  if (!aBuilder.PropertyIsSet(eCSSProperty_caption_side)) {
+    const nsAttrValue* value = aBuilder.GetAttr(nsGkAtoms::align);
+    if (value && value->Type() == nsAttrValue::eEnum) {
+      aBuilder.SetKeywordValue(eCSSProperty_caption_side,
+                               value->GetEnumValue());
+    }
+  }
+  nsGenericHTMLElement::MapCommonAttributesInto(aBuilder);
+}
+
+NS_IMETHODIMP_(bool)
+HTMLTableCaptionElement::IsAttributeMapped(const nsAtom* aAttribute) const {
+  static const MappedAttributeEntry attributes[] = {{nsGkAtoms::align},
+                                                    {nullptr}};
+
+  static const MappedAttributeEntry* const map[] = {
+      attributes,
+      sCommonAttributeMap,
+  };
+
+  return FindAttributeDependence(aAttribute, map);
+}
+
+nsMapRuleToAttributesFunc HTMLTableCaptionElement::GetAttributeMappingFunction()
+    const {
+  return &MapAttributesIntoRule;
+}
+
+}  // namespace mozilla::dom