1 files changed, 99 insertions, 0 deletions
diff --git a/dom/html/HTMLBRElement.cpp b/dom/html/HTMLBRElement.cpp
new file mode 100644
index 000000000..db51a4d7e
--- /dev/null
+++ b/dom/html/HTMLBRElement.cpp
@@ -0,0 +1,99 @@
+/* -*- 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/HTMLBRElement.h"
+#include "mozilla/dom/HTMLBRElementBinding.h"
+
+#include "nsAttrValueInlines.h"
+#include "nsStyleConsts.h"
+#include "nsMappedAttributes.h"
+#include "nsRuleData.h"
+
+
+NS_IMPL_NS_NEW_HTML_ELEMENT(BR)
+
+namespace mozilla {
+namespace dom {
+
+HTMLBRElement::HTMLBRElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
+  : nsGenericHTMLElement(aNodeInfo)
+{
+}
+
+HTMLBRElement::~HTMLBRElement()
+{
+}
+
+NS_IMPL_ELEMENT_CLONE(HTMLBRElement)
+
+static const nsAttrValue::EnumTable kClearTable[] = {
+  { "left", StyleClear::Left },
+  { "right", StyleClear::Right },
+  { "all", StyleClear::Both },
+  { "both", StyleClear::Both },
+  { nullptr, 0 }
+};
+
+bool
+HTMLBRElement::ParseAttribute(int32_t aNamespaceID,
+                              nsIAtom* aAttribute,
+                              const nsAString& aValue,
+                              nsAttrValue& aResult)
+{
+  if (aAttribute == nsGkAtoms::clear && aNamespaceID == kNameSpaceID_None) {
+    return aResult.ParseEnumValue(aValue, kClearTable, false);
+  }
+
+  return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
+                                              aResult);
+}
+
+void
+HTMLBRElement::MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
+                                     nsRuleData* aData)
+{
+  if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Display)) {
+    nsCSSValue* clear = aData->ValueForClear();
+    if (clear->GetUnit() == eCSSUnit_Null) {
+      const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::clear);
+      if (value && value->Type() == nsAttrValue::eEnum)
+        clear->SetIntValue(value->GetEnumValue(), eCSSUnit_Enumerated);
+    }
+  }
+
+  nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
+}
+
+NS_IMETHODIMP_(bool)
+HTMLBRElement::IsAttributeMapped(const nsIAtom* aAttribute) const
+{
+  static const MappedAttributeEntry attributes[] = {
+    { &nsGkAtoms::clear },
+    { nullptr }
+  };
+
+  static const MappedAttributeEntry* const map[] = {
+    attributes,
+    sCommonAttributeMap,
+  };
+
+  return FindAttributeDependence(aAttribute, map);
+}
+
+nsMapRuleToAttributesFunc
+HTMLBRElement::GetAttributeMappingFunction() const
+{
+  return &MapAttributesIntoRule;
+}
+
+JSObject*
+HTMLBRElement::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
+{
+  return HTMLBRElementBinding::Wrap(aCx, this, aGivenProto);
+}
+
+} // namespace dom
+} // namespace mozilla