gecko-dev/accessible/xpcom/xpcAccessibleTableCell.cpp
2014-10-21 20:49:28 -04:00

162 lines
3.7 KiB
C++

/* -*- 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 "xpcAccessibleTableCell.h"
#include "Accessible.h"
#include "nsIAccessibleTable.h"
#include "TableAccessible.h"
#include "TableCellAccessible.h"
#include "xpcAccessibleDocument.h"
#include "nsComponentManagerUtils.h"
#include "nsIMutableArray.h"
using namespace mozilla;
using namespace mozilla::a11y;
////////////////////////////////////////////////////////////////////////////////
// nsISupports
NS_IMPL_ISUPPORTS_INHERITED(xpcAccessibleTableCell,
xpcAccessibleHyperText,
nsIAccessibleTableCell)
////////////////////////////////////////////////////////////////////////////////
// nsIAccessibleTableCell
NS_IMETHODIMP
xpcAccessibleTableCell::GetTable(nsIAccessibleTable** aTable)
{
NS_ENSURE_ARG_POINTER(aTable);
*aTable = nullptr;
if (!Intl())
return NS_ERROR_FAILURE;
TableAccessible* table = Intl()->Table();
if (!table)
return NS_ERROR_FAILURE;
nsCOMPtr<nsIAccessibleTable> xpcTable =
do_QueryInterface(static_cast<nsIAccessible*>(ToXPC(table->AsAccessible())));
xpcTable.forget(aTable);
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTableCell::GetColumnIndex(int32_t* aColIdx)
{
NS_ENSURE_ARG_POINTER(aColIdx);
*aColIdx = -1;
if (!Intl())
return NS_ERROR_FAILURE;
*aColIdx = Intl()->ColIdx();
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTableCell::GetRowIndex(int32_t* aRowIdx)
{
NS_ENSURE_ARG_POINTER(aRowIdx);
*aRowIdx = -1;
if (!Intl())
return NS_ERROR_FAILURE;
*aRowIdx = Intl()->RowIdx();
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTableCell::GetColumnExtent(int32_t* aExtent)
{
NS_ENSURE_ARG_POINTER(aExtent);
*aExtent = -1;
if (!Intl())
return NS_ERROR_FAILURE;
*aExtent = Intl()->ColExtent();
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTableCell::GetRowExtent(int32_t* aExtent)
{
NS_ENSURE_ARG_POINTER(aExtent);
*aExtent = -1;
if (!Intl())
return NS_ERROR_FAILURE;
*aExtent = Intl()->RowExtent();
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTableCell::GetColumnHeaderCells(nsIArray** aHeaderCells)
{
NS_ENSURE_ARG_POINTER(aHeaderCells);
*aHeaderCells = nullptr;
if (!Intl())
return NS_ERROR_FAILURE;
nsAutoTArray<Accessible*, 10> headerCells;
Intl()->ColHeaderCells(&headerCells);
nsCOMPtr<nsIMutableArray> cells = do_CreateInstance(NS_ARRAY_CONTRACTID);
NS_ENSURE_TRUE(cells, NS_ERROR_FAILURE);
for (uint32_t idx = 0; idx < headerCells.Length(); idx++) {
cells->AppendElement(static_cast<nsIAccessible*>(ToXPC(headerCells[idx])),
false);
}
NS_ADDREF(*aHeaderCells = cells);
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTableCell::GetRowHeaderCells(nsIArray** aHeaderCells)
{
NS_ENSURE_ARG_POINTER(aHeaderCells);
*aHeaderCells = nullptr;
if (!Intl())
return NS_ERROR_FAILURE;
nsAutoTArray<Accessible*, 10> headerCells;
Intl()->RowHeaderCells(&headerCells);
nsCOMPtr<nsIMutableArray> cells = do_CreateInstance(NS_ARRAY_CONTRACTID);
NS_ENSURE_TRUE(cells, NS_ERROR_FAILURE);
for (uint32_t idx = 0; idx < headerCells.Length(); idx++) {
cells->AppendElement(static_cast<nsIAccessible*>(ToXPC(headerCells[idx])),
false);
}
NS_ADDREF(*aHeaderCells = cells);
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleTableCell::IsSelected(bool* aSelected)
{
NS_ENSURE_ARG_POINTER(aSelected);
*aSelected = false;
if (!Intl())
return NS_ERROR_FAILURE;
*aSelected = Intl()->Selected();
return NS_OK;
}