haikuwebkit/Source/WebCore/accessibility/atk/WebKitAccessibleInterfaceTa...

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C++

/*
* Copyright (C) 2014 Samsung Electronics. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "WebKitAccessibleInterfaceTableCell.h"
#if ENABLE(ACCESSIBILITY)
#include "AccessibilityObject.h"
#include "AccessibilityTable.h"
#include "AccessibilityTableCell.h"
#include "WebKitAccessible.h"
#include "WebKitAccessibleUtil.h"
using namespace WebCore;
static GPtrArray* convertToGPtrArray(const AccessibilityObject::AccessibilityChildrenVector& children)
{
GPtrArray* array = g_ptr_array_new();
for (const auto& child : children) {
if (auto* atkObject = child->wrapper())
g_ptr_array_add(array, atkObject);
}
return array;
}
static AccessibilityObject* core(AtkTableCell* cell)
{
if (!WEBKIT_IS_ACCESSIBLE(cell))
return nullptr;
return &webkitAccessibleGetAccessibilityObject(WEBKIT_ACCESSIBLE(cell));
}
GPtrArray* webkitAccessibleTableCellGetColumnHeaderCells(AtkTableCell* cell)
{
g_return_val_if_fail(ATK_TABLE_CELL(cell), nullptr);
returnValIfWebKitAccessibleIsInvalid(WEBKIT_ACCESSIBLE(cell), nullptr);
AccessibilityObject* axObject = core(cell);
if (!is<AccessibilityTableCell>(axObject))
return nullptr;
auto columnHeaders = downcast<AccessibilityTableCell>(*axObject).columnHeaders();
return convertToGPtrArray(columnHeaders);
}
GPtrArray* webkitAccessibleTableCellGetRowHeaderCells(AtkTableCell* cell)
{
g_return_val_if_fail(ATK_TABLE_CELL(cell), nullptr);
returnValIfWebKitAccessibleIsInvalid(WEBKIT_ACCESSIBLE(cell), nullptr);
AccessibilityObject* axObject = core(cell);
if (!is<AccessibilityTableCell>(axObject))
return nullptr;
auto rowHeaders = downcast<AccessibilityTableCell>(*axObject).rowHeaders();
return convertToGPtrArray(rowHeaders);
}
gint webkitAccessibleTableCellGetColumnSpan(AtkTableCell* cell)
{
g_return_val_if_fail(ATK_TABLE_CELL(cell), 0);
returnValIfWebKitAccessibleIsInvalid(WEBKIT_ACCESSIBLE(cell), 0);
AccessibilityObject* axObject = core(cell);
if (!is<AccessibilityTableCell>(axObject))
return 0;
return axObject->columnIndexRange().second;
}
gint webkitAccessibleTableCellGetRowSpan(AtkTableCell* cell)
{
g_return_val_if_fail(ATK_TABLE_CELL(cell), 0);
returnValIfWebKitAccessibleIsInvalid(WEBKIT_ACCESSIBLE(cell), 0);
AccessibilityObject* axObject = core(cell);
if (!is<AccessibilityTableCell>(axObject))
return 0;
return axObject->rowIndexRange().second;
}
gboolean webkitAccessibleTableCellGetPosition(AtkTableCell* cell, gint* row, gint* column)
{
g_return_val_if_fail(ATK_TABLE_CELL(cell), false);
returnValIfWebKitAccessibleIsInvalid(WEBKIT_ACCESSIBLE(cell), false);
AccessibilityObject* axObject = core(cell);
if (!is<AccessibilityTableCell>(axObject))
return false;
if (row) {
// aria-rowindex is 1-based.
int rowIndex = axObject->axRowIndex() - 1;
if (rowIndex <= -1)
rowIndex = axObject->rowIndexRange().first;
*row = rowIndex;
}
if (column) {
// aria-colindex is 1-based.
int columnIndex = axObject->axColumnIndex() - 1;
if (columnIndex <= -1)
columnIndex = axObject->columnIndexRange().first;
*column = columnIndex;
}
return true;
}
AtkObject* webkitAccessibleTableCellGetTable(AtkTableCell* cell)
{
g_return_val_if_fail(ATK_TABLE_CELL(cell), nullptr);
returnValIfWebKitAccessibleIsInvalid(WEBKIT_ACCESSIBLE(cell), nullptr);
AccessibilityObject* axObject = core(cell);
if (!axObject || !axObject->isTableCell())
return nullptr;
auto* table = atk_object_get_parent(ATK_OBJECT(axObject->wrapper()));
if (!table || !ATK_IS_TABLE(table))
return nullptr;
return ATK_OBJECT(g_object_ref(table));
}
void webkitAccessibleTableCellInterfaceInit(AtkTableCellIface* iface)
{
iface->get_column_header_cells = webkitAccessibleTableCellGetColumnHeaderCells;
iface->get_row_header_cells = webkitAccessibleTableCellGetRowHeaderCells;
iface->get_column_span = webkitAccessibleTableCellGetColumnSpan;
iface->get_row_span = webkitAccessibleTableCellGetRowSpan;
iface->get_position = webkitAccessibleTableCellGetPosition;
iface->get_table = webkitAccessibleTableCellGetTable;
}
#endif // ENABLE(ACCESSIBILITY)