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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /accessible/atk/nsMaiInterfaceTable.cpp | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'accessible/atk/nsMaiInterfaceTable.cpp')
-rw-r--r-- | accessible/atk/nsMaiInterfaceTable.cpp | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/accessible/atk/nsMaiInterfaceTable.cpp b/accessible/atk/nsMaiInterfaceTable.cpp new file mode 100644 index 0000000000..cfba9e78d1 --- /dev/null +++ b/accessible/atk/nsMaiInterfaceTable.cpp @@ -0,0 +1,264 @@ +/* -*- 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; +} |