dom/base/RadioGroupContainer.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_nsRadioGroupStruct_h
   8 #define mozilla_dom_nsRadioGroupStruct_h
   9
  10 #include "nsClassHashtable.h"
  11
  12 class nsIContent;
  13 class nsIRadioVisitor;
  14
  15 namespace mozilla::dom {
  16
  17 class HTMLInputElement;
  18 struct nsRadioGroupStruct;
  19
  20 class RadioGroupContainer final {
  21  public:
  22   RadioGroupContainer();
  23   ~RadioGroupContainer();
  24
  25   static void Traverse(RadioGroupContainer* tmp,
  26                        nsCycleCollectionTraversalCallback& cb);
  27   size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const;
  28
  29   NS_IMETHOD WalkRadioGroup(const nsAString& aName, nsIRadioVisitor* aVisitor);
  30   void SetCurrentRadioButton(const nsAString& aName, HTMLInputElement* aRadio);
  31   HTMLInputElement* GetCurrentRadioButton(const nsAString& aName);
  32   nsresult GetNextRadioButton(const nsAString& aName, const bool aPrevious,
  33                               HTMLInputElement* aFocusedRadio,
  34                               HTMLInputElement** aRadioOut);
  35   HTMLInputElement* GetFirstRadioButton(const nsAString& aName);
  36   void AddToRadioGroup(const nsAString& aName, HTMLInputElement* aRadio,
  37                        nsIContent* aAncestor);
  38   void RemoveFromRadioGroup(const nsAString& aName, HTMLInputElement* aRadio);
  39   uint32_t GetRequiredRadioCount(const nsAString& aName) const;
  40   void RadioRequiredWillChange(const nsAString& aName, bool aRequiredAdded);
  41   bool GetValueMissingState(const nsAString& aName) const;
  42   void SetValueMissingState(const nsAString& aName, bool aValue);
  43
  44   // for radio group
  45   nsRadioGroupStruct* GetRadioGroup(const nsAString& aName) const;
  46   nsRadioGroupStruct* GetOrCreateRadioGroup(const nsAString& aName);
  47
  48  private:
  49   nsClassHashtable<nsStringHashKey, nsRadioGroupStruct> mRadioGroups;
  50 };
  51
  52 }  // namespace mozilla::dom
  53
  54 #endif  // mozilla_dom_nsRadioGroupStruct_h