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/* -*- 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 "InterfaceInitFuncs.h"
#include "AccessibleWrap.h"
#include "mozilla/a11y/TableAccessible.h"
#include "nsAccessibilityService.h"
#include "nsMai.h"
#include "RemoteAccessible.h"
#include "nsTArray.h"
#include "mozilla/Likely.h"
using namespace mozilla;
using namespace mozilla::a11y;
extern "C" {
static AtkObject* refAtCB(AtkTable* aTable, gint aRowIdx, gint aColIdx) {
if (aRowIdx < 0 || aColIdx < 0) {
return nullptr;
}
AtkObject* cellAtkObj = nullptr;
Accessible* acc = GetInternalObj(ATK_OBJECT(aTable));
if (!acc) {
return nullptr;
}
Accessible* cell = acc->AsTable()->CellAt(aRowIdx, aColIdx);
if (!cell) {
return nullptr;
}
cellAtkObj = GetWrapperFor(cell);
if (cellAtkObj) {
g_object_ref(cellAtkObj);
}
return cellAtkObj;
}
static gint getIndexAtCB(AtkTable* aTable, gint aRowIdx, gint aColIdx) {
if (aRowIdx < 0 || aColIdx < 0) {
return -1;
}
Accessible* acc = GetInternalObj(ATK_OBJECT(aTable));
if (!acc) {
return -1;
}
return static_cast<gint>(acc->AsTable()->CellIndexAt(aRowIdx, aColIdx));
}
static gint getColumnAtIndexCB(AtkTable* aTable, gint aIdx) {
if (aIdx < 0) {
return -1;
}
Accessible* acc = GetInternalObj(ATK_OBJECT(aTable));
if (!acc) {
return -1;
}
return static_cast<gint>(acc->AsTable()->ColIndexAt(aIdx));
}
static gint getRowAtIndexCB(AtkTable* aTable, gint aIdx) {
if (aIdx < 0) {
return -1;
}
Accessible* acc = GetInternalObj(ATK_OBJECT(aTable));
if (!acc) {
return -1;
}
return static_cast<gint>(acc->AsTable()->RowIndexAt(aIdx));
}
static gint getColumnCountCB(AtkTable* aTable) {
Accessible* acc = GetInternalObj(ATK_OBJECT(aTable));
if (!acc) {
return -1;
}
return static_cast<gint>(acc->AsTable()->ColCount());
}
static gint getRowCountCB(AtkTable* aTable) {
Accessible* acc = GetInternalObj(ATK_OBJECT(aTable));
if (!acc) {
return -1;
}
return static_cast<gint>(acc->AsTable()->RowCount());
}
static gint getColumnExtentAtCB(AtkTable* aTable, gint aRowIdx, gint aColIdx) {
if (aRowIdx < 0 || aColIdx < 0) {
return -1;
}
Accessible* acc = GetInternalObj(ATK_OBJECT(aTable));
if (!acc) {
return -1;
}
return static_cast<gint>(acc->AsTable()->ColExtentAt(aRowIdx, aColIdx));
}
static gint getRowExtentAtCB(AtkTable* aTable, gint aRowIdx, gint aColIdx) {
Accessible* acc = GetInternalObj(ATK_OBJECT(aTable));
if (!acc) {
return -1;
}
return static_cast<gint>(acc->AsTable()->RowExtentAt(aRowIdx, aColIdx));
}
static AtkObject* getCaptionCB(AtkTable* aTable) {
Accessible* acc = GetInternalObj(ATK_OBJECT(aTable));
if (!acc) {
return nullptr;
}
Accessible* caption = acc->AsTable()->Caption();
return caption ? GetWrapperFor(caption) : nullptr;
}
static const gchar* getColumnDescriptionCB(AtkTable* aTable, gint aColumn) {
Accessible* acc = GetInternalObj(ATK_OBJECT(aTable));
if (!acc) {
return nullptr;
}
nsAutoString autoStr;
acc->AsTable()->ColDescription(aColumn, autoStr);
return AccessibleWrap::ReturnString(autoStr);
}
static AtkObject* getColumnHeaderCB(AtkTable* aTable, gint aColIdx) {
Accessible* acc = GetInternalObj(ATK_OBJECT(aTable));
if (!acc) {
return nullptr;
}
Accessible* header = AccessibleWrap::GetColumnHeader(acc->AsTable(), aColIdx);
return header ? GetWrapperFor(header) : nullptr;
}
static const gchar* getRowDescriptionCB(AtkTable* aTable, gint aRow) {
Accessible* acc = GetInternalObj(ATK_OBJECT(aTable));
if (!acc) {
return nullptr;
}
nsAutoString autoStr;
acc->AsTable()->RowDescription(aRow, autoStr);
return AccessibleWrap::ReturnString(autoStr);
}
static AtkObject* getRowHeaderCB(AtkTable* aTable, gint aRowIdx) {
Accessible* acc = GetInternalObj(ATK_OBJECT(aTable));
if (!acc) {
return nullptr;
}
Accessible* header = AccessibleWrap::GetRowHeader(acc->AsTable(), aRowIdx);
return header ? GetWrapperFor(header) : nullptr;
}
static AtkObject* getSummaryCB(AtkTable* aTable) {
// Neither html:table nor xul:tree nor ARIA grid/tree have an ability to
// link an accessible object to specify a summary. There is closes method
// in TableAccessible::summary to get a summary as a string which is not
// mapped directly to ATK.
return nullptr;
}
static gint getSelectedColumnsCB(AtkTable* aTable, gint** aSelected) {
*aSelected = nullptr;
Accessible* acc = GetInternalObj(ATK_OBJECT(aTable));
if (!acc) {
return 0;
}
AutoTArray<uint32_t, 10> cols;
acc->AsTable()->SelectedColIndices(&cols);
if (cols.IsEmpty()) return 0;
gint* atkColumns = g_new(gint, cols.Length());
if (!atkColumns) {
NS_WARNING("OUT OF MEMORY");
return 0;
}
memcpy(atkColumns, cols.Elements(), cols.Length() * sizeof(uint32_t));
*aSelected = atkColumns;
return cols.Length();
}
static gint getSelectedRowsCB(AtkTable* aTable, gint** aSelected) {
Accessible* acc = GetInternalObj(ATK_OBJECT(aTable));
if (!acc) {
return 0;
}
AutoTArray<uint32_t, 10> rows;
acc->AsTable()->SelectedRowIndices(&rows);
gint* atkRows = g_new(gint, rows.Length());
if (!atkRows) {
NS_WARNING("OUT OF MEMORY");
return 0;
}
memcpy(atkRows, rows.Elements(), rows.Length() * sizeof(uint32_t));
*aSelected = atkRows;
return rows.Length();
}
static gboolean isColumnSelectedCB(AtkTable* aTable, gint aColIdx) {
Accessible* acc = GetInternalObj(ATK_OBJECT(aTable));
if (!acc) {
return FALSE;
}
return static_cast<gboolean>(acc->AsTable()->IsColSelected(aColIdx));
}
static gboolean isRowSelectedCB(AtkTable* aTable, gint aRowIdx) {
Accessible* acc = GetInternalObj(ATK_OBJECT(aTable));
if (!acc) {
return FALSE;
}
return static_cast<gboolean>(acc->AsTable()->IsRowSelected(aRowIdx));
}
static gboolean isCellSelectedCB(AtkTable* aTable, gint aRowIdx, gint aColIdx) {
Accessible* acc = GetInternalObj(ATK_OBJECT(aTable));
if (!acc) {
return FALSE;
}
return static_cast<gboolean>(
acc->AsTable()->IsCellSelected(aRowIdx, aColIdx));
}
}
void tableInterfaceInitCB(AtkTableIface* aIface) {
NS_ASSERTION(aIface, "no interface!");
if (MOZ_UNLIKELY(!aIface)) return;
aIface->ref_at = refAtCB;
aIface->get_index_at = getIndexAtCB;
aIface->get_column_at_index = getColumnAtIndexCB;
aIface->get_row_at_index = getRowAtIndexCB;
aIface->get_n_columns = getColumnCountCB;
aIface->get_n_rows = getRowCountCB;
aIface->get_column_extent_at = getColumnExtentAtCB;
aIface->get_row_extent_at = getRowExtentAtCB;
aIface->get_caption = getCaptionCB;
aIface->get_column_description = getColumnDescriptionCB;
aIface->get_column_header = getColumnHeaderCB;
aIface->get_row_description = getRowDescriptionCB;
aIface->get_row_header = getRowHeaderCB;
aIface->get_summary = getSummaryCB;
aIface->get_selected_columns = getSelectedColumnsCB;
aIface->get_selected_rows = getSelectedRowsCB;
aIface->is_column_selected = isColumnSelectedCB;
aIface->is_row_selected = isRowSelectedCB;
aIface->is_selected = isCellSelectedCB;
}
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