dom/html/CustomStateSet.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 mozilla_dom_CustomStateSet_h
   8 #define mozilla_dom_CustomStateSet_h
   9
  10 #include "js/TypeDecls.h"
  11 #include "mozilla/ErrorResult.h"
  12
  13 #include "nsCycleCollectionParticipant.h"
  14 #include "nsWrapperCache.h"
  15 #include "nsCOMPtr.h"
  16
  17 namespace mozilla::dom {
  18
  19 class HTMLElement;
  20 class GlobalObject;
  21
  22 class CustomStateSet final : public nsISupports, public nsWrapperCache {
  23  public:
  24   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  25   NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(CustomStateSet)
  26
  27   explicit CustomStateSet(HTMLElement* aTarget);
  28
  29   // WebIDL interface
  30   nsISupports* GetParentObject() const;
  31
  32   JSObject* WrapObject(JSContext* aCx,
  33                        JS::Handle<JSObject*> aGivenProto) override;
  34
  35   static MOZ_CAN_RUN_SCRIPT_BOUNDARY already_AddRefed<CustomStateSet>
  36   Constructor(const GlobalObject& aGlobal, ErrorResult& aRv);
  37
  38   void InvalidateStyleFromCustomStateSetChange() const;
  39
  40   MOZ_CAN_RUN_SCRIPT void Clear(ErrorResult& aRv);
  41
  42   /**
  43    * @brief Removes a given string from the state set.
  44    */
  45   MOZ_CAN_RUN_SCRIPT bool Delete(const nsAString& aState, ErrorResult& aRv);
  46
  47   /**
  48    * @brief Adds a string to this state set.
  49    */
  50   MOZ_CAN_RUN_SCRIPT void Add(const nsAString& aState, ErrorResult& aRv);
  51
  52  private:
  53   virtual ~CustomStateSet() = default;
  54
  55   RefPtr<HTMLElement> mTarget;
  56 };
  57
  58 }  // namespace mozilla::dom
  59
  60 #endif  // mozilla_dom_CustomStateSet_h