The Tor Browser: accessible/src/generic/TableCellAccessible.cpp@141e0f1194b1

     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/. */

     7 #include "TableCellAccessible.h"

     9 #include "Accessible-inl.h"

    10 #include "TableAccessible.h"

    12 using namespace mozilla;

    13 using namespace mozilla::a11y;

    15 void

    16 TableCellAccessible::RowHeaderCells(nsTArray<Accessible*>* aCells)

    17 {

    18   uint32_t rowIdx = RowIdx(), colIdx = ColIdx();

    19   TableAccessible* table = Table();

    20   if (!table)

    21     return;

    23   // Move to the left to find row header cells

    24   for (uint32_t curColIdx = colIdx - 1; curColIdx < colIdx; curColIdx--) {

    25     Accessible* cell = table->CellAt(rowIdx, curColIdx);

    26     if (!cell)

    27       continue;

    29     // CellAt should always return a TableCellAccessible (XXX Bug 587529)

    30     TableCellAccessible* tableCell = cell->AsTableCell();

    31     NS_ASSERTION(tableCell, "cell should be a table cell!");

    32     if (!tableCell)

    33       continue;

    35     // Avoid addding cells multiple times, if this cell spans more columns

    36     // we'll get it later.

    37     if (tableCell->ColIdx() == curColIdx && cell->Role() == roles::ROWHEADER)

    38       aCells->AppendElement(cell);

    39   }

    40 }

    42 void

    43 TableCellAccessible::ColHeaderCells(nsTArray<Accessible*>* aCells)

    44 {

    45   uint32_t rowIdx = RowIdx(), colIdx = ColIdx();

    46   TableAccessible* table = Table();

    47   if (!table)

    48     return;

    50   // Move up to find column header cells

    51   for (uint32_t curRowIdx = rowIdx - 1; curRowIdx < rowIdx; curRowIdx--) {

    52     Accessible* cell = table->CellAt(curRowIdx, colIdx);

    53     if (!cell)

    54       continue;

    56     // CellAt should always return a TableCellAccessible (XXX Bug 587529)

    57     TableCellAccessible* tableCell = cell->AsTableCell();

    58     NS_ASSERTION(tableCell, "cell should be a table cell!");

    59     if (!tableCell)

    60       continue;

    62     // Avoid addding cells multiple times, if this cell spans more rows

    63     // we'll get it later.

    64     if (tableCell->RowIdx() == curRowIdx && cell->Role() == roles::COLUMNHEADER)

    65       aCells->AppendElement(cell);

    66   }

    67 }

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