1 files changed, 48 insertions, 0 deletions
diff --git a/dom/base/nsMappedAttributeElement.h b/dom/base/nsMappedAttributeElement.h
new file mode 100644
index 000000000..4668b36a1
--- /dev/null
+++ b/dom/base/nsMappedAttributeElement.h
@@ -0,0 +1,48 @@
+/* -*- 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/. */
+
+/**
+ * nsMappedAttributeElement is the base for elements supporting style mapped
+ * attributes via nsMappedAttributes (HTML and MathML).
+ */
+
+#ifndef NS_MAPPEDATTRIBUTEELEMENT_H_
+#define NS_MAPPEDATTRIBUTEELEMENT_H_
+
+#include "mozilla/Attributes.h"
+#include "nsStyledElement.h"
+
+class nsMappedAttributes;
+struct nsRuleData;
+
+typedef void (*nsMapRuleToAttributesFunc)(const nsMappedAttributes* aAttributes, 
+                                          nsRuleData* aData);
+
+typedef nsStyledElement nsMappedAttributeElementBase;
+
+class nsMappedAttributeElement : public nsMappedAttributeElementBase
+{
+
+protected:
+
+  explicit nsMappedAttributeElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
+    : nsMappedAttributeElementBase(aNodeInfo)
+  {}
+
+public:
+  virtual nsMapRuleToAttributesFunc GetAttributeMappingFunction() const;
+
+  static void MapNoAttributesInto(const nsMappedAttributes* aAttributes, 
+                                  nsRuleData* aRuleData);
+
+  NS_IMETHOD WalkContentStyleRules(nsRuleWalker* aRuleWalker) override;
+  virtual bool SetMappedAttribute(nsIDocument* aDocument,
+                                    nsIAtom* aName,
+                                    nsAttrValue& aValue,
+                                    nsresult* aRetval) override;
+};
+
+#endif // NS_MAPPEDATTRIBUTEELEMENT_H_