accessible/xpcom/xpcAccessibleTableCell.h
author Trevor Saunders <tbsaunde@tbsaunde.org>
Thu, 21 Jan 2016 00:07:56 -0500
changeset 318027 1acf6d48e34c69a8573e32395487ef2677a5e8d2
parent 318025 cb2fb56c44aafc52e833370060128455a25bf5a2
child 456795 d864fe04c3eae42674b4265d8e3aa6eaef4c3172
permissions -rw-r--r--
bug 1241453 - fixup xpcAccessible Intl() methods to not assume mIntl is always an Accessible r=davidb

/* -*- 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_xpcom_xpcAccessibletableCell_h_
#define mozilla_a11y_xpcom_xpcAccessibletableCell_h_

#include "nsIAccessibleTable.h"

#include "xpcAccessibleHyperText.h"

namespace mozilla {
namespace a11y {

/**
 * XPCOM wrapper around TableAccessibleCell class.
 */
class xpcAccessibleTableCell : public xpcAccessibleHyperText,
                               public nsIAccessibleTableCell
{
public:
  explicit xpcAccessibleTableCell(Accessible* aIntl) :
    xpcAccessibleHyperText(aIntl) { }

  xpcAccessibleTableCell(ProxyAccessible* aProxy, uint32_t aInterfaces) :
    xpcAccessibleHyperText(aProxy, aInterfaces) {}

  NS_DECL_ISUPPORTS_INHERITED

  // nsIAccessibleTableCell
  NS_IMETHOD GetTable(nsIAccessibleTable** aTable) final override;
  NS_IMETHOD GetColumnIndex(int32_t* aColIdx) final override;
  NS_IMETHOD GetRowIndex(int32_t* aRowIdx) final override;
  NS_IMETHOD GetColumnExtent(int32_t* aExtent) final override;
  NS_IMETHOD GetRowExtent(int32_t* aExtent) final override;
  NS_IMETHOD GetColumnHeaderCells(nsIArray** aHeaderCells) final override;
  NS_IMETHOD GetRowHeaderCells(nsIArray** aHeaderCells) final override;
  NS_IMETHOD IsSelected(bool* aSelected) final override;

protected:
  virtual ~xpcAccessibleTableCell() {}

private:
  TableCellAccessible* Intl()
  {
    if (Accessible* acc = mIntl.AsAccessible()) {
      return acc->AsTableCell();
    }

    return nullptr;
}

  xpcAccessibleTableCell(const xpcAccessibleTableCell&) = delete;
  xpcAccessibleTableCell& operator =(const xpcAccessibleTableCell&) = delete;
};

} // namespace a11y
} // namespace mozilla

#endif // mozilla_a11y_xpcom_xpcAccessibletableCell_h_