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tenfourfox/accessible/xpcom/xpcAccessibleTable.cpp

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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 "xpcAccessibleTable.h"
#include "Accessible.h"
#include "TableAccessible.h"
#include "xpcAccessibleDocument.h"
#include "nsIMutableArray.h"
#include "nsComponentManagerUtils.h"
using namespace mozilla::a11y;
static const uint32_t XPC_TABLE_DEFAULT_SIZE = 40;
////////////////////////////////////////////////////////////////////////////////
// nsISupports
NS_IMPL_ISUPPORTS_INHERITED(xpcAccessibleTable,
xpcAccessibleGeneric,
nsIAccessibleTable)
////////////////////////////////////////////////////////////////////////////////
// nsIAccessibleTable
NS_IMETHODIMP
xpcAccessibleTable::GetCaption(nsIAccessible** aCaption)
{
NS_ENSURE_ARG_POINTER(aCaption);
*aCaption = nullptr;
if (!Intl())
return NS_ERROR_FAILURE;
NS_IF_ADDREF(*aCaption = ToXPC(Intl()->Caption()));
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::GetColumnCount(int32_t* aColumnCount)
{
NS_ENSURE_ARG_POINTER(aColumnCount);
*aColumnCount = 0;
if (!Intl())
return NS_ERROR_FAILURE;
*aColumnCount = Intl()->ColCount();
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::GetRowCount(int32_t* aRowCount)
{
NS_ENSURE_ARG_POINTER(aRowCount);
*aRowCount = 0;
if (!Intl())
return NS_ERROR_FAILURE;
*aRowCount = Intl()->RowCount();
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::GetCellAt(int32_t aRowIdx, int32_t aColIdx,
nsIAccessible** aCell)
{
NS_ENSURE_ARG_POINTER(aCell);
*aCell = nullptr;
if (!Intl())
return NS_ERROR_FAILURE;
if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= Intl()->RowCount() ||
aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= Intl()->ColCount())
return NS_ERROR_INVALID_ARG;
NS_IF_ADDREF(*aCell = ToXPC(Intl()->CellAt(aRowIdx, aColIdx)));
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::GetCellIndexAt(int32_t aRowIdx, int32_t aColIdx,
int32_t* aCellIdx)
{
NS_ENSURE_ARG_POINTER(aCellIdx);
*aCellIdx = -1;
if (!Intl())
return NS_ERROR_FAILURE;
if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= Intl()->RowCount() ||
aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= Intl()->ColCount())
return NS_ERROR_INVALID_ARG;
*aCellIdx = Intl()->CellIndexAt(aRowIdx, aColIdx);
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::GetColumnExtentAt(int32_t aRowIdx, int32_t aColIdx,
int32_t* aColumnExtent)
{
NS_ENSURE_ARG_POINTER(aColumnExtent);
*aColumnExtent = -1;
if (!Intl())
return NS_ERROR_FAILURE;
if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= Intl()->RowCount() ||
aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= Intl()->ColCount())
return NS_ERROR_INVALID_ARG;
*aColumnExtent = Intl()->ColExtentAt(aRowIdx, aColIdx);
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::GetRowExtentAt(int32_t aRowIdx, int32_t aColIdx,
int32_t* aRowExtent)
{
NS_ENSURE_ARG_POINTER(aRowExtent);
*aRowExtent = -1;
if (!Intl())
return NS_ERROR_FAILURE;
if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= Intl()->RowCount() ||
aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= Intl()->ColCount())
return NS_ERROR_INVALID_ARG;
*aRowExtent = Intl()->RowExtentAt(aRowIdx, aColIdx);
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::GetColumnDescription(int32_t aColIdx,
nsAString& aDescription)
{
if (!Intl())
return NS_ERROR_FAILURE;
if (aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= Intl()->ColCount())
return NS_ERROR_INVALID_ARG;
nsAutoString description;
Intl()->ColDescription(aColIdx, description);
aDescription.Assign(description);
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::GetRowDescription(int32_t aRowIdx, nsAString& aDescription)
{
if (!Intl())
return NS_ERROR_FAILURE;
if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= Intl()->ColCount())
return NS_ERROR_INVALID_ARG;
nsAutoString description;
Intl()->RowDescription(aRowIdx, description);
aDescription.Assign(description);
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::IsColumnSelected(int32_t aColIdx, bool* aIsSelected)
{
NS_ENSURE_ARG_POINTER(aIsSelected);
*aIsSelected = false;
if (!Intl())
return NS_ERROR_FAILURE;
if (aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= Intl()->ColCount())
return NS_ERROR_INVALID_ARG;
*aIsSelected = Intl()->IsColSelected(aColIdx);
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::IsRowSelected(int32_t aRowIdx, bool* aIsSelected)
{
NS_ENSURE_ARG_POINTER(aIsSelected);
*aIsSelected = false;
if (!Intl())
return NS_ERROR_FAILURE;
if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= Intl()->RowCount())
return NS_ERROR_INVALID_ARG;
*aIsSelected = Intl()->IsRowSelected(aRowIdx);
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::IsCellSelected(int32_t aRowIdx, int32_t aColIdx,
bool* aIsSelected)
{
NS_ENSURE_ARG_POINTER(aIsSelected);
*aIsSelected = false;
if (!Intl())
return NS_ERROR_FAILURE;
if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= Intl()->RowCount() ||
aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= Intl()->ColCount())
return NS_ERROR_INVALID_ARG;
*aIsSelected = Intl()->IsCellSelected(aRowIdx, aColIdx);
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::GetSelectedCellCount(uint32_t* aSelectedCellCount)
{
NS_ENSURE_ARG_POINTER(aSelectedCellCount);
*aSelectedCellCount = 0;
if (!Intl())
return NS_ERROR_FAILURE;
*aSelectedCellCount = Intl()->SelectedCellCount();
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::GetSelectedColumnCount(uint32_t* aSelectedColumnCount)
{
NS_ENSURE_ARG_POINTER(aSelectedColumnCount);
*aSelectedColumnCount = 0;
if (!Intl())
return NS_ERROR_FAILURE;
*aSelectedColumnCount = Intl()->SelectedColCount();
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::GetSelectedRowCount(uint32_t* aSelectedRowCount)
{
NS_ENSURE_ARG_POINTER(aSelectedRowCount);
*aSelectedRowCount = 0;
if (!Intl())
return NS_ERROR_FAILURE;
*aSelectedRowCount = Intl()->SelectedRowCount();
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::GetSelectedCells(nsIArray** aSelectedCells)
{
NS_ENSURE_ARG_POINTER(aSelectedCells);
*aSelectedCells = nullptr;
if (!Intl())
return NS_ERROR_FAILURE;
nsresult rv = NS_OK;
nsCOMPtr<nsIMutableArray> selCells =
do_CreateInstance(NS_ARRAY_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsAutoTArray<Accessible*, XPC_TABLE_DEFAULT_SIZE> cellsArray;
Intl()->SelectedCells(&cellsArray);
uint32_t totalCount = cellsArray.Length();
for (uint32_t idx = 0; idx < totalCount; idx++) {
Accessible* cell = cellsArray.ElementAt(idx);
selCells->AppendElement(static_cast<nsIAccessible*>(ToXPC(cell)), false);
}
NS_ADDREF(*aSelectedCells = selCells);
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::GetSelectedCellIndices(uint32_t* aCellsArraySize,
int32_t** aCellsArray)
{
NS_ENSURE_ARG_POINTER(aCellsArraySize);
*aCellsArraySize = 0;
NS_ENSURE_ARG_POINTER(aCellsArray);
*aCellsArray = 0;
if (!Intl())
return NS_ERROR_FAILURE;
nsAutoTArray<uint32_t, XPC_TABLE_DEFAULT_SIZE> cellsArray;
Intl()->SelectedCellIndices(&cellsArray);
*aCellsArraySize = cellsArray.Length();
*aCellsArray = static_cast<int32_t*>
(moz_xmalloc(*aCellsArraySize * sizeof(int32_t)));
memcpy(*aCellsArray, cellsArray.Elements(),
*aCellsArraySize * sizeof(int32_t));
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::GetSelectedColumnIndices(uint32_t* aColsArraySize,
int32_t** aColsArray)
{
NS_ENSURE_ARG_POINTER(aColsArraySize);
*aColsArraySize = 0;
NS_ENSURE_ARG_POINTER(aColsArray);
*aColsArray = 0;
if (!Intl())
return NS_ERROR_FAILURE;
nsAutoTArray<uint32_t, XPC_TABLE_DEFAULT_SIZE> colsArray;
Intl()->SelectedColIndices(&colsArray);
*aColsArraySize = colsArray.Length();
*aColsArray = static_cast<int32_t*>
(moz_xmalloc(*aColsArraySize * sizeof(int32_t)));
memcpy(*aColsArray, colsArray.Elements(),
*aColsArraySize * sizeof(int32_t));
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::GetSelectedRowIndices(uint32_t* aRowsArraySize,
int32_t** aRowsArray)
{
NS_ENSURE_ARG_POINTER(aRowsArraySize);
*aRowsArraySize = 0;
NS_ENSURE_ARG_POINTER(aRowsArray);
*aRowsArray = 0;
if (!Intl())
return NS_ERROR_FAILURE;
nsAutoTArray<uint32_t, XPC_TABLE_DEFAULT_SIZE> rowsArray;
Intl()->SelectedRowIndices(&rowsArray);
*aRowsArraySize = rowsArray.Length();
*aRowsArray = static_cast<int32_t*>
(moz_xmalloc(*aRowsArraySize * sizeof(int32_t)));
memcpy(*aRowsArray, rowsArray.Elements(),
*aRowsArraySize * sizeof(int32_t));
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::GetColumnIndexAt(int32_t aCellIdx, int32_t* aColIdx)
{
NS_ENSURE_ARG_POINTER(aColIdx);
*aColIdx = -1;
if (!Intl())
return NS_ERROR_FAILURE;
if (aCellIdx < 0 ||
static_cast<uint32_t>(aCellIdx) >= Intl()->RowCount() * Intl()->ColCount())
return NS_ERROR_INVALID_ARG;
*aColIdx = Intl()->ColIndexAt(aCellIdx);
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::GetRowIndexAt(int32_t aCellIdx, int32_t* aRowIdx)
{
NS_ENSURE_ARG_POINTER(aRowIdx);
*aRowIdx = -1;
if (!Intl())
return NS_ERROR_FAILURE;
if (aCellIdx < 0 ||
static_cast<uint32_t>(aCellIdx) >= Intl()->RowCount() * Intl()->ColCount())
return NS_ERROR_INVALID_ARG;
*aRowIdx = Intl()->RowIndexAt(aCellIdx);
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::GetRowAndColumnIndicesAt(int32_t aCellIdx, int32_t* aRowIdx,
int32_t* aColIdx)
{
NS_ENSURE_ARG_POINTER(aRowIdx);
*aRowIdx = -1;
NS_ENSURE_ARG_POINTER(aColIdx);
*aColIdx = -1;
if (!Intl())
return NS_ERROR_FAILURE;
if (aCellIdx < 0 ||
static_cast<uint32_t>(aCellIdx) >= Intl()->RowCount() * Intl()->ColCount())
return NS_ERROR_INVALID_ARG;
Intl()->RowAndColIndicesAt(aCellIdx, aRowIdx, aColIdx);
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::GetSummary(nsAString& aSummary)
{
if (!Intl())
return NS_ERROR_FAILURE;
nsAutoString summary;
Intl()->Summary(summary);
aSummary.Assign(summary);
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::IsProbablyForLayout(bool* aResult)
{
NS_ENSURE_ARG_POINTER(aResult);
*aResult = false;
if (!Intl())
return NS_ERROR_FAILURE;
*aResult = Intl()->IsProbablyLayoutTable();
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::SelectColumn(int32_t aColIdx)
{
if (!Intl())
return NS_ERROR_FAILURE;
if (aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= Intl()->ColCount())
return NS_ERROR_INVALID_ARG;
Intl()->SelectCol(aColIdx);
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::SelectRow(int32_t aRowIdx)
{
if (!Intl())
return NS_ERROR_FAILURE;
if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= Intl()->RowCount())
return NS_ERROR_INVALID_ARG;
Intl()->SelectRow(aRowIdx);
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::UnselectColumn(int32_t aColIdx)
{
if (!Intl())
return NS_ERROR_FAILURE;
if (aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= Intl()->ColCount())
return NS_ERROR_INVALID_ARG;
Intl()->UnselectCol(aColIdx);
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTable::UnselectRow(int32_t aRowIdx)
{
if (!Intl())
return NS_ERROR_FAILURE;
if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= Intl()->RowCount())
return NS_ERROR_INVALID_ARG;
Intl()->UnselectRow(aRowIdx);
return NS_OK;
}
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