gecko-dev/accessible/generic/ARIAGridAccessible-inl.h

60 строки
1.4 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_ARIAGridAccessible_inl_h__
#define mozilla_a11y_ARIAGridAccessible_inl_h__
#include "ARIAGridAccessible.h"
#include "AccIterator.h"
namespace mozilla {
namespace a11y {
inline Accessible*
ARIAGridCellAccessible::TableFor(Accessible* aRow) const
{
if (aRow) {
Accessible* table = aRow->Parent();
if (table) {
roles::Role tableRole = table->Role();
if (tableRole == roles::GROUPING) { // if there's a rowgroup.
table = table->Parent();
if (table)
tableRole = table->Role();
}
return tableRole == roles::TABLE || tableRole == roles::TREE_TABLE ?
table : nullptr;
}
}
return nullptr;
}
inline int32_t
ARIAGridCellAccessible::RowIndexFor(Accessible* aRow) const
{
Accessible* table = TableFor(aRow);
if (table) {
int32_t rowIdx = 0;
Accessible* row = nullptr;
AccIterator rowIter(table, filters::GetRow);
while ((row = rowIter.Next()) && row != aRow)
rowIdx++;
if (row)
return rowIdx;
}
return -1;
}
} // namespace a11y
} // namespace mozilla
#endif