accessible/xpcom/xpcAccessiblePivot.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=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 _xpcAccessiblePivot_H_
   8 #define _xpcAccessiblePivot_H_
   9
  10 #include "nsIAccessiblePivot.h"
  11
  12 #include "Accessible.h"
  13 #include "nsCycleCollectionParticipant.h"
  14 #include "mozilla/Attributes.h"
  15 #include "xpcAccessible.h"
  16
  17 namespace mozilla::a11y {
  18 /**
  19  * Class represents an accessible pivot.
  20  */
  21 class xpcAccessiblePivot final : public nsIAccessiblePivot {
  22  public:
  23   explicit xpcAccessiblePivot(nsIAccessible* aRoot);
  24
  25   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  26   NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(xpcAccessiblePivot,
  27                                            nsIAccessiblePivot)
  28
  29   NS_DECL_NSIACCESSIBLEPIVOT
  30
  31  private:
  32   ~xpcAccessiblePivot();
  33   xpcAccessiblePivot() = delete;
  34   xpcAccessiblePivot(const xpcAccessiblePivot&) = delete;
  35   void operator=(const xpcAccessiblePivot&) = delete;
  36
  37   Accessible* Root() { return mRoot ? mRoot->ToInternalGeneric() : nullptr; }
  38
  39   /*
  40    * The root accessible.
  41    */
  42   RefPtr<nsIAccessible> mRoot;
  43 };
  44
  45 }  // namespace mozilla::a11y
  46
  47 #endif