dom/html/nsDOMStringMap.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef nsDOMStringMap_h
   8 #define nsDOMStringMap_h
   9
  10 #include "nsCycleCollectionParticipant.h"
  11 #include "nsTArray.h"
  12 #include "nsString.h"
  13 #include "nsWrapperCache.h"
  14 #include "mozilla/dom/Element.h"
  15 #include "jsfriendapi.h" // For js::ExpandoAndGeneration
  16
  17 namespace mozilla {
  18 class ErrorResult;
  19 namespace dom {
  20 class DocGroup;
  21 } // namespace dom
  22 } // namespace mozilla
  23
  24 class nsDOMStringMap : public nsStubMutationObserver,
  25                        public nsWrapperCache
  26 {
  27 public:
  28   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  29   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(nsDOMStringMap)
  30
  31   NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED
  32
  33   nsINode* GetParentObject()
  34   {
  35     return mElement;
  36   }
  37
  38   mozilla::dom::DocGroup* GetDocGroup() const;
  39
  40   explicit nsDOMStringMap(mozilla::dom::Element* aElement);
  41
  42   // WebIDL API
  43   virtual JSObject* WrapObject(JSContext *cx, JS::Handle<JSObject*> aGivenProto) override;
  44   void NamedGetter(const nsAString& aProp, bool& found,
  45                    mozilla::dom::DOMString& aResult) const;
  46   void NamedSetter(const nsAString& aProp, const nsAString& aValue,
  47                    mozilla::ErrorResult& rv);
  48   void NamedDeleter(const nsAString& aProp, bool &found);
  49   void GetSupportedNames(nsTArray<nsString>& aNames);
  50
  51   js::ExpandoAndGeneration mExpandoAndGeneration;
  52
  53 private:
  54   virtual ~nsDOMStringMap();
  55
  56 protected:
  57   RefPtr<mozilla::dom::Element> mElement;
  58   // Flag to guard against infinite recursion.
  59   bool mRemovingProp;
  60   static bool DataPropToAttr(const nsAString& aProp, nsAutoString& aResult);
  61   static bool AttrToDataProp(const nsAString& aAttr, nsAutoString& aResult);
  62 };
  63
  64 #endif