gecko-dev/accessible/generic/TableCellAccessible.cpp

68 строки
2.1 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/. */
#include "TableCellAccessible.h"
#include "Accessible-inl.h"
#include "TableAccessible.h"
using namespace mozilla;
using namespace mozilla::a11y;
void
TableCellAccessible::RowHeaderCells(nsTArray<Accessible*>* aCells)
{
uint32_t rowIdx = RowIdx(), colIdx = ColIdx();
TableAccessible* table = Table();
if (!table)
return;
// Move to the left to find row header cells
for (uint32_t curColIdx = colIdx - 1; curColIdx < colIdx; curColIdx--) {
Accessible* cell = table->CellAt(rowIdx, curColIdx);
if (!cell)
continue;
// CellAt should always return a TableCellAccessible (XXX Bug 587529)
TableCellAccessible* tableCell = cell->AsTableCell();
NS_ASSERTION(tableCell, "cell should be a table cell!");
if (!tableCell)
continue;
// Avoid addding cells multiple times, if this cell spans more columns
// we'll get it later.
if (tableCell->ColIdx() == curColIdx && cell->Role() == roles::ROWHEADER)
aCells->AppendElement(cell);
}
}
void
TableCellAccessible::ColHeaderCells(nsTArray<Accessible*>* aCells)
{
uint32_t rowIdx = RowIdx(), colIdx = ColIdx();
TableAccessible* table = Table();
if (!table)
return;
// Move up to find column header cells
for (uint32_t curRowIdx = rowIdx - 1; curRowIdx < rowIdx; curRowIdx--) {
Accessible* cell = table->CellAt(curRowIdx, colIdx);
if (!cell)
continue;
// CellAt should always return a TableCellAccessible (XXX Bug 587529)
TableCellAccessible* tableCell = cell->AsTableCell();
NS_ASSERTION(tableCell, "cell should be a table cell!");
if (!tableCell)
continue;
// Avoid addding cells multiple times, if this cell spans more rows
// we'll get it later.
if (tableCell->RowIdx() == curRowIdx && cell->Role() == roles::COLUMNHEADER)
aCells->AppendElement(cell);
}
}