1 files changed, 96 insertions, 0 deletions
diff --git a/dom/html/nsRadioVisitor.h b/dom/html/nsRadioVisitor.h
new file mode 100644
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+++ b/dom/html/nsRadioVisitor.h
@@ -0,0 +1,96 @@
+/* -*- 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/. */
+
+#ifndef _nsRadioVisitor_h__
+#define _nsRadioVisitor_h__
+
+#include "mozilla/Attributes.h"
+#include "nsIRadioVisitor.h"
+
+using mozilla::dom::HTMLInputElement;
+
+/**
+ * nsRadioVisitor is the base class implementing nsIRadioVisitor and inherited
+ * by all radio visitors.
+ */
+class nsRadioVisitor : public nsIRadioVisitor {
+ protected:
+  virtual ~nsRadioVisitor() = default;
+
+ public:
+  nsRadioVisitor() = default;
+
+  NS_DECL_ISUPPORTS
+
+  virtual bool Visit(HTMLInputElement* aRadio) override = 0;
+};
+
+/**
+ * The following declarations are radio visitors inheriting from nsRadioVisitor.
+ */
+
+/**
+ * nsRadioSetCheckedChangedVisitor is calling SetCheckedChanged with the given
+ * parameter to all radio elements in the group.
+ */
+class nsRadioSetCheckedChangedVisitor : public nsRadioVisitor {
+ public:
+  explicit nsRadioSetCheckedChangedVisitor(bool aCheckedChanged)
+      : mCheckedChanged(aCheckedChanged) {}
+
+  virtual bool Visit(HTMLInputElement* aRadio) override;
+
+ protected:
+  bool mCheckedChanged;
+};
+
+/**
+ * nsRadioGetCheckedChangedVisitor is getting the current checked changed value.
+ * Getting it from one radio element is the group is enough given that all
+ * elements should have the same value.
+ */
+class nsRadioGetCheckedChangedVisitor : public nsRadioVisitor {
+ public:
+  nsRadioGetCheckedChangedVisitor(bool* aCheckedChanged,
+                                  HTMLInputElement* aExcludeElement)
+      : mCheckedChanged(aCheckedChanged), mExcludeElement(aExcludeElement) {}
+
+  virtual bool Visit(HTMLInputElement* aRadio) override;
+
+ protected:
+  bool* mCheckedChanged;
+  HTMLInputElement* mExcludeElement;
+};
+
+/**
+ * nsRadioSetValueMissingState is calling SetValueMissingState with the given
+ * parameter to all radio elements in the group.
+ * It is also calling ContentStatesChanged if needed.
+ */
+class nsRadioSetValueMissingState : public nsRadioVisitor {
+ public:
+  nsRadioSetValueMissingState(HTMLInputElement* aExcludeElement, bool aValidity)
+      : mExcludeElement(aExcludeElement), mValidity(aValidity) {}
+
+  virtual bool Visit(HTMLInputElement* aRadio) override;
+
+ protected:
+  HTMLInputElement* mExcludeElement;
+  bool mValidity;
+};
+
+class nsRadioUpdateStateVisitor : public nsRadioVisitor {
+ public:
+  explicit nsRadioUpdateStateVisitor(HTMLInputElement* aExcludeElement)
+      : mExcludeElement(aExcludeElement) {}
+
+  virtual bool Visit(HTMLInputElement* aRadio) override;
+
+ protected:
+  HTMLInputElement* mExcludeElement;
+};
+
+#endif  // _nsRadioVisitor_h__