accessible/xpcom/xpcAccessibleTextLeafRange.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 file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_a11y_xpcAccessibleTextLeafRange_h_
   8 #define mozilla_a11y_xpcAccessibleTextLeafRange_h_
   9
  10 #include "nsIAccessibleTextLeafRange.h"
  11
  12 namespace mozilla {
  13 namespace a11y {
  14
  15 class TextLeafPoint;
  16
  17 class xpcAccessibleTextLeafPoint final : public nsIAccessibleTextLeafPoint {
  18  public:
  19   xpcAccessibleTextLeafPoint(nsIAccessible* aAccessible, int32_t aOffset);
  20
  21   NS_DECL_ISUPPORTS
  22   NS_DECL_NSIACCESSIBLETEXTLEAFPOINT
  23
  24  private:
  25   xpcAccessibleTextLeafPoint() = delete;
  26
  27   ~xpcAccessibleTextLeafPoint() {}
  28
  29   xpcAccessibleTextLeafPoint& operator=(const xpcAccessibleTextLeafPoint&) =
  30       delete;
  31
  32   TextLeafPoint ToPoint();
  33
  34   // We can't hold a strong reference to an Accessible, but XPCOM needs strong
  35   // references. Thus, instead of holding a TextLeafPoint here, we hold
  36   // an nsIAccessible references and create the TextLeafPoint for each call
  37   // using ToPoint().
  38   RefPtr<nsIAccessible> mAccessible;
  39   int32_t mOffset;
  40 };
  41
  42 }  // namespace a11y
  43 }  // namespace mozilla
  44
  45 #endif