import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/html/RadioNodeList.cpp

@@ -0,0 +1,70 @@
+/* -*- 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/RadioNodeList.h"
+
+#include "mozilla/dom/BindingUtils.h"
+#include "mozilla/dom/RadioNodeListBinding.h"
+#include "js/TypeDecls.h"
+
+#include "HTMLInputElement.h"
+
+namespace mozilla {
+namespace dom {
+
+/* virtual */ JSObject*
+RadioNodeList::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+  return RadioNodeListBinding::Wrap(aCx, this, aGivenProto);
+}
+
+HTMLInputElement*
+GetAsRadio(nsIContent* node)
+{
+  HTMLInputElement* el = HTMLInputElement::FromContent(node);
+  if (el && el->GetType() == NS_FORM_INPUT_RADIO) {
+    return el;
+  }
+  return nullptr;
+}
+
+void
+RadioNodeList::GetValue(nsString& retval)
+{
+  for (uint32_t i = 0; i < Length(); i++) {
+    HTMLInputElement* maybeRadio = GetAsRadio(Item(i));
+    if (maybeRadio && maybeRadio->Checked()) {
+      maybeRadio->GetValue(retval);
+      return;
+    }
+  }
+  retval.Truncate();
+}
+
+void
+RadioNodeList::SetValue(const nsAString& value)
+{
+  for (uint32_t i = 0; i < Length(); i++) {
+
+    HTMLInputElement* maybeRadio = GetAsRadio(Item(i));
+    if (!maybeRadio) {
+      continue;
+    }
+
+    nsString curval = nsString();
+    maybeRadio->GetValue(curval);
+    if (curval.Equals(value)) {
+      maybeRadio->SetChecked(true);
+      return;
+    }
+
+  }
+}
+
+NS_IMPL_ISUPPORTS_INHERITED(RadioNodeList, nsSimpleContentList, RadioNodeList)
+
+} // namespace dom
+} // namespace mozilla