1 files changed, 51 insertions, 0 deletions
diff --git a/Source/WebCore/dom/RadioButtonGroups.h b/Source/WebCore/dom/RadioButtonGroups.h
new file mode 100644
index 000000000..1e5a58d57
--- /dev/null
+++ b/Source/WebCore/dom/RadioButtonGroups.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2007, 2008, 2009, 2016 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#pragma once
+
+#include <memory>
+#include <wtf/Forward.h>
+#include <wtf/HashMap.h>
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+class HTMLInputElement;
+class RadioButtonGroup;
+
+class RadioButtonGroups {
+public:
+    RadioButtonGroups();
+    ~RadioButtonGroups();
+    void addButton(HTMLInputElement*);
+    void updateCheckedState(HTMLInputElement*);
+    void requiredAttributeChanged(HTMLInputElement*);
+    void removeButton(HTMLInputElement*);
+    HTMLInputElement* checkedButtonForGroup(const AtomicString& groupName) const;
+    bool hasCheckedButton(const HTMLInputElement*) const;
+    bool isInRequiredGroup(HTMLInputElement*) const;
+    Vector<HTMLInputElement*> groupMembers(const HTMLInputElement&) const;
+
+private:
+    typedef HashMap<AtomicStringImpl*, std::unique_ptr<RadioButtonGroup>> NameToGroupMap;
+    std::unique_ptr<NameToGroupMap> m_nameToGroupMap;
+};
+
+} // namespace WebCore