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 "nsStubMutationObserver.h"
  12 #include "nsTArray.h"
  13 #include "nsString.h"
  14 #include "nsWrapperCache.h"
  15 #include "js/friend/DOMProxy.h"  // JS::ExpandoAndGeneration
  16 #include "js/RootingAPI.h"       // JS::Handle
  17
  18 // XXX Avoid including this here by moving function bodies to the cpp file
  19 #include "mozilla/dom/Element.h"
  20
  21 namespace mozilla {
  22 class ErrorResult;
  23 namespace dom {
  24 class DOMString;
  25 class DocGroup;
  26 }  // namespace dom
  27 }  // namespace mozilla
  28
  29 class nsDOMStringMap : public nsStubMutationObserver, public nsWrapperCache {
  30  public:
  31   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  32   NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(nsDOMStringMap)
  33
  34   NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED
  35
  36   nsINode* GetParentObject() { return mElement; }
  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,
  44                                JS::Handle<JSObject*> aGivenProto) override;
  45   void NamedGetter(const nsAString& aProp, bool& found,
  46                    mozilla::dom::DOMString& aResult) const;
  47   void NamedSetter(const nsAString& aProp, const nsAString& aValue,
  48                    mozilla::ErrorResult& rv);
  49   void NamedDeleter(const nsAString& aProp, bool& found);
  50   void GetSupportedNames(nsTArray<nsString>& aNames);
  51
  52   JS::ExpandoAndGeneration mExpandoAndGeneration;
  53
  54  private:
  55   virtual ~nsDOMStringMap();
  56
  57  protected:
  58   RefPtr<mozilla::dom::Element> mElement;
  59   // Flag to guard against infinite recursion.
  60   bool mRemovingProp;
  61   static bool DataPropToAttr(const nsAString& aProp, nsAutoString& aResult);
  62   static bool AttrToDataProp(const nsAString& aAttr, nsAutoString& aResult);
  63 };
  64
  65 #endif