import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/html/nsDOMStringMap.h

@@ -0,0 +1,59 @@
+/* -*- 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 nsDOMStringMap_h
+#define nsDOMStringMap_h
+
+#include "nsCycleCollectionParticipant.h"
+#include "nsTArray.h"
+#include "nsString.h"
+#include "nsWrapperCache.h"
+#include "mozilla/dom/Element.h"
+#include "jsfriendapi.h" // For js::ExpandoAndGeneration
+
+namespace mozilla {
+class ErrorResult;
+} // namespace mozilla
+
+class nsDOMStringMap : public nsStubMutationObserver,
+                       public nsWrapperCache
+{
+public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(nsDOMStringMap)
+
+  NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED
+
+  nsINode* GetParentObject()
+  {
+    return mElement;
+  }
+
+  explicit nsDOMStringMap(mozilla::dom::Element* aElement);
+
+  // WebIDL API
+  virtual JSObject* WrapObject(JSContext *cx, JS::Handle<JSObject*> aGivenProto) override;
+  void NamedGetter(const nsAString& aProp, bool& found,
+                   mozilla::dom::DOMString& aResult) const;
+  void NamedSetter(const nsAString& aProp, const nsAString& aValue,
+                   mozilla::ErrorResult& rv);
+  void NamedDeleter(const nsAString& aProp, bool &found);
+  void GetSupportedNames(nsTArray<nsString>& aNames);
+
+  js::ExpandoAndGeneration mExpandoAndGeneration;
+
+private:
+  virtual ~nsDOMStringMap();
+
+protected:
+  RefPtr<mozilla::dom::Element> mElement;
+  // Flag to guard against infinite recursion.
+  bool mRemovingProp;
+  static bool DataPropToAttr(const nsAString& aProp, nsAutoString& aResult);
+  static bool AttrToDataProp(const nsAString& aAttr, nsAutoString& aResult);
+};
+
+#endif