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