gecko-dev/accessible/xpcom/xpcAccessibleTextLeafRange.h

46 строки
1.3 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_a11y_xpcAccessibleTextLeafRange_h_
#define mozilla_a11y_xpcAccessibleTextLeafRange_h_
#include "nsIAccessibleTextLeafRange.h"
namespace mozilla {
namespace a11y {
class TextLeafPoint;
class xpcAccessibleTextLeafPoint final : public nsIAccessibleTextLeafPoint {
public:
xpcAccessibleTextLeafPoint(nsIAccessible* aAccessible, int32_t aOffset);
NS_DECL_ISUPPORTS
NS_DECL_NSIACCESSIBLETEXTLEAFPOINT
private:
xpcAccessibleTextLeafPoint() = delete;
~xpcAccessibleTextLeafPoint() {}
xpcAccessibleTextLeafPoint& operator=(const xpcAccessibleTextLeafPoint&) =
delete;
TextLeafPoint ToPoint();
// We can't hold a strong reference to an Accessible, but XPCOM needs strong
// references. Thus, instead of holding a TextLeafPoint here, we hold
// an nsIAccessible references and create the TextLeafPoint for each call
// using ToPoint().
RefPtr<nsIAccessible> mAccessible;
int32_t mOffset;
};
} // namespace a11y
} // namespace mozilla
#endif