dom/base/RadioGroupManager.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 "nsCOMArray.h"
  11 #include "nsIFormControl.h"
  12 #include "nsIRadioGroupContainer.h"
  13 #include "nsClassHashtable.h"
  14
  15 class nsIContent;
  16
  17 namespace mozilla {
  18
  19 namespace html {
  20 class nsIRadioVisitor;
  21 }
  22
  23 namespace dom {
  24 class HTMLInputElement;
  25 struct nsRadioGroupStruct;
  26
  27 class RadioGroupManager {
  28  public:
  29   RadioGroupManager();
  30
  31   static void Traverse(RadioGroupManager* tmp,
  32                        nsCycleCollectionTraversalCallback& cb);
  33   static void Unlink(RadioGroupManager* tmp);
  34
  35   // nsIRadioGroupContainer
  36   NS_IMETHOD WalkRadioGroup(const nsAString& aName, nsIRadioVisitor* aVisitor);
  37   void SetCurrentRadioButton(const nsAString& aName, HTMLInputElement* aRadio);
  38   HTMLInputElement* GetCurrentRadioButton(const nsAString& aName);
  39   nsresult GetNextRadioButton(const nsAString& aName, const bool aPrevious,
  40                               HTMLInputElement* aFocusedRadio,
  41                               HTMLInputElement** aRadioOut);
  42   void AddToRadioGroup(const nsAString& aName, HTMLInputElement* aRadio,
  43                        nsIContent* aAncestor);
  44   void RemoveFromRadioGroup(const nsAString& aName, HTMLInputElement* aRadio);
  45   uint32_t GetRequiredRadioCount(const nsAString& aName) const;
  46   void RadioRequiredWillChange(const nsAString& aName, bool aRequiredAdded);
  47   bool GetValueMissingState(const nsAString& aName) const;
  48   void SetValueMissingState(const nsAString& aName, bool aValue);
  49
  50   // for radio group
  51   nsRadioGroupStruct* GetRadioGroup(const nsAString& aName) const;
  52   nsRadioGroupStruct* GetOrCreateRadioGroup(const nsAString& aName);
  53
  54  private:
  55   nsClassHashtable<nsStringHashKey, nsRadioGroupStruct> mRadioGroups;
  56 };
  57
  58 }  // namespace dom
  59 }  // namespace mozilla
  60
  61 #endif  // mozilla_dom_nsRadioGroupStruct_h