зеркало из https://github.com/mozilla/gecko-dev.git
436 строки
12 KiB
C++
436 строки
12 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "xpcAccessibleTable.h"
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#include "Accessible.h"
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#include "TableAccessible.h"
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#include "xpcAccessibleDocument.h"
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#include "nsIMutableArray.h"
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#include "nsComponentManagerUtils.h"
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using namespace mozilla::a11y;
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static const uint32_t XPC_TABLE_DEFAULT_SIZE = 40;
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////////////////////////////////////////////////////////////////////////////////
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// nsISupports
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NS_IMPL_ISUPPORTS_INHERITED(xpcAccessibleTable, xpcAccessibleHyperText,
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nsIAccessibleTable)
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////////////////////////////////////////////////////////////////////////////////
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// nsIAccessibleTable
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NS_IMETHODIMP
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xpcAccessibleTable::GetCaption(nsIAccessible** aCaption) {
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NS_ENSURE_ARG_POINTER(aCaption);
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*aCaption = nullptr;
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if (!Intl()) return NS_ERROR_FAILURE;
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NS_IF_ADDREF(*aCaption = ToXPC(Intl()->Caption()));
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::GetColumnCount(int32_t* aColumnCount) {
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NS_ENSURE_ARG_POINTER(aColumnCount);
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*aColumnCount = 0;
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if (!Intl()) return NS_ERROR_FAILURE;
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*aColumnCount = Intl()->ColCount();
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::GetRowCount(int32_t* aRowCount) {
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NS_ENSURE_ARG_POINTER(aRowCount);
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*aRowCount = 0;
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if (!Intl()) return NS_ERROR_FAILURE;
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*aRowCount = Intl()->RowCount();
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::GetCellAt(int32_t aRowIdx, int32_t aColIdx,
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nsIAccessible** aCell) {
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NS_ENSURE_ARG_POINTER(aCell);
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*aCell = nullptr;
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if (!Intl()) return NS_ERROR_FAILURE;
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if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= Intl()->RowCount() ||
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aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= Intl()->ColCount())
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return NS_ERROR_INVALID_ARG;
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NS_IF_ADDREF(*aCell = ToXPC(Intl()->CellAt(aRowIdx, aColIdx)));
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::GetCellIndexAt(int32_t aRowIdx, int32_t aColIdx,
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int32_t* aCellIdx) {
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NS_ENSURE_ARG_POINTER(aCellIdx);
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*aCellIdx = -1;
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if (!Intl()) return NS_ERROR_FAILURE;
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if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= Intl()->RowCount() ||
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aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= Intl()->ColCount())
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return NS_ERROR_INVALID_ARG;
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*aCellIdx = Intl()->CellIndexAt(aRowIdx, aColIdx);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::GetColumnExtentAt(int32_t aRowIdx, int32_t aColIdx,
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int32_t* aColumnExtent) {
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NS_ENSURE_ARG_POINTER(aColumnExtent);
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*aColumnExtent = -1;
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if (!Intl()) return NS_ERROR_FAILURE;
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if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= Intl()->RowCount() ||
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aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= Intl()->ColCount())
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return NS_ERROR_INVALID_ARG;
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*aColumnExtent = Intl()->ColExtentAt(aRowIdx, aColIdx);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::GetRowExtentAt(int32_t aRowIdx, int32_t aColIdx,
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int32_t* aRowExtent) {
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NS_ENSURE_ARG_POINTER(aRowExtent);
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*aRowExtent = -1;
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if (!Intl()) return NS_ERROR_FAILURE;
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if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= Intl()->RowCount() ||
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aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= Intl()->ColCount())
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return NS_ERROR_INVALID_ARG;
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*aRowExtent = Intl()->RowExtentAt(aRowIdx, aColIdx);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::GetColumnDescription(int32_t aColIdx,
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nsAString& aDescription) {
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if (!Intl()) return NS_ERROR_FAILURE;
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if (aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= Intl()->ColCount())
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return NS_ERROR_INVALID_ARG;
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nsAutoString description;
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Intl()->ColDescription(aColIdx, description);
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aDescription.Assign(description);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::GetRowDescription(int32_t aRowIdx,
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nsAString& aDescription) {
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if (!Intl()) return NS_ERROR_FAILURE;
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if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= Intl()->ColCount())
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return NS_ERROR_INVALID_ARG;
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nsAutoString description;
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Intl()->RowDescription(aRowIdx, description);
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aDescription.Assign(description);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::IsColumnSelected(int32_t aColIdx, bool* aIsSelected) {
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NS_ENSURE_ARG_POINTER(aIsSelected);
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*aIsSelected = false;
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if (!Intl()) return NS_ERROR_FAILURE;
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if (aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= Intl()->ColCount())
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return NS_ERROR_INVALID_ARG;
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*aIsSelected = Intl()->IsColSelected(aColIdx);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::IsRowSelected(int32_t aRowIdx, bool* aIsSelected) {
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NS_ENSURE_ARG_POINTER(aIsSelected);
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*aIsSelected = false;
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if (!Intl()) return NS_ERROR_FAILURE;
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if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= Intl()->RowCount())
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return NS_ERROR_INVALID_ARG;
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*aIsSelected = Intl()->IsRowSelected(aRowIdx);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::IsCellSelected(int32_t aRowIdx, int32_t aColIdx,
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bool* aIsSelected) {
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NS_ENSURE_ARG_POINTER(aIsSelected);
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*aIsSelected = false;
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if (!Intl()) return NS_ERROR_FAILURE;
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if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= Intl()->RowCount() ||
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aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= Intl()->ColCount())
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return NS_ERROR_INVALID_ARG;
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*aIsSelected = Intl()->IsCellSelected(aRowIdx, aColIdx);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::GetSelectedCellCount(uint32_t* aSelectedCellCount) {
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NS_ENSURE_ARG_POINTER(aSelectedCellCount);
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*aSelectedCellCount = 0;
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if (!Intl()) return NS_ERROR_FAILURE;
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*aSelectedCellCount = Intl()->SelectedCellCount();
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::GetSelectedColumnCount(uint32_t* aSelectedColumnCount) {
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NS_ENSURE_ARG_POINTER(aSelectedColumnCount);
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*aSelectedColumnCount = 0;
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if (!Intl()) return NS_ERROR_FAILURE;
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*aSelectedColumnCount = Intl()->SelectedColCount();
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::GetSelectedRowCount(uint32_t* aSelectedRowCount) {
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NS_ENSURE_ARG_POINTER(aSelectedRowCount);
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*aSelectedRowCount = 0;
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if (!Intl()) return NS_ERROR_FAILURE;
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*aSelectedRowCount = Intl()->SelectedRowCount();
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::GetSelectedCells(nsIArray** aSelectedCells) {
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NS_ENSURE_ARG_POINTER(aSelectedCells);
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*aSelectedCells = nullptr;
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if (!Intl()) return NS_ERROR_FAILURE;
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nsresult rv = NS_OK;
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nsCOMPtr<nsIMutableArray> selCells =
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do_CreateInstance(NS_ARRAY_CONTRACTID, &rv);
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NS_ENSURE_SUCCESS(rv, rv);
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AutoTArray<Accessible*, XPC_TABLE_DEFAULT_SIZE> cellsArray;
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Intl()->SelectedCells(&cellsArray);
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uint32_t totalCount = cellsArray.Length();
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for (uint32_t idx = 0; idx < totalCount; idx++) {
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Accessible* cell = cellsArray.ElementAt(idx);
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selCells->AppendElement(static_cast<nsIAccessible*>(ToXPC(cell)));
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}
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NS_ADDREF(*aSelectedCells = selCells);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::GetSelectedCellIndices(uint32_t* aCellsArraySize,
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int32_t** aCellsArray) {
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NS_ENSURE_ARG_POINTER(aCellsArraySize);
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*aCellsArraySize = 0;
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NS_ENSURE_ARG_POINTER(aCellsArray);
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*aCellsArray = 0;
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if (!Intl()) return NS_ERROR_FAILURE;
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AutoTArray<uint32_t, XPC_TABLE_DEFAULT_SIZE> cellsArray;
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Intl()->SelectedCellIndices(&cellsArray);
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*aCellsArraySize = cellsArray.Length();
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*aCellsArray =
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static_cast<int32_t*>(moz_xmalloc(*aCellsArraySize * sizeof(int32_t)));
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memcpy(*aCellsArray, cellsArray.Elements(),
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*aCellsArraySize * sizeof(int32_t));
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::GetSelectedColumnIndices(uint32_t* aColsArraySize,
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int32_t** aColsArray) {
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NS_ENSURE_ARG_POINTER(aColsArraySize);
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*aColsArraySize = 0;
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NS_ENSURE_ARG_POINTER(aColsArray);
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*aColsArray = 0;
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if (!Intl()) return NS_ERROR_FAILURE;
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AutoTArray<uint32_t, XPC_TABLE_DEFAULT_SIZE> colsArray;
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Intl()->SelectedColIndices(&colsArray);
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*aColsArraySize = colsArray.Length();
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*aColsArray =
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static_cast<int32_t*>(moz_xmalloc(*aColsArraySize * sizeof(int32_t)));
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memcpy(*aColsArray, colsArray.Elements(), *aColsArraySize * sizeof(int32_t));
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::GetSelectedRowIndices(uint32_t* aRowsArraySize,
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int32_t** aRowsArray) {
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NS_ENSURE_ARG_POINTER(aRowsArraySize);
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*aRowsArraySize = 0;
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NS_ENSURE_ARG_POINTER(aRowsArray);
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*aRowsArray = 0;
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if (!Intl()) return NS_ERROR_FAILURE;
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AutoTArray<uint32_t, XPC_TABLE_DEFAULT_SIZE> rowsArray;
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Intl()->SelectedRowIndices(&rowsArray);
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*aRowsArraySize = rowsArray.Length();
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*aRowsArray =
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static_cast<int32_t*>(moz_xmalloc(*aRowsArraySize * sizeof(int32_t)));
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memcpy(*aRowsArray, rowsArray.Elements(), *aRowsArraySize * sizeof(int32_t));
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::GetColumnIndexAt(int32_t aCellIdx, int32_t* aColIdx) {
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NS_ENSURE_ARG_POINTER(aColIdx);
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*aColIdx = -1;
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if (!Intl()) return NS_ERROR_FAILURE;
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if (aCellIdx < 0 || static_cast<uint32_t>(aCellIdx) >=
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Intl()->RowCount() * Intl()->ColCount())
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return NS_ERROR_INVALID_ARG;
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*aColIdx = Intl()->ColIndexAt(aCellIdx);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::GetRowIndexAt(int32_t aCellIdx, int32_t* aRowIdx) {
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NS_ENSURE_ARG_POINTER(aRowIdx);
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*aRowIdx = -1;
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if (!Intl()) return NS_ERROR_FAILURE;
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if (aCellIdx < 0 || static_cast<uint32_t>(aCellIdx) >=
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Intl()->RowCount() * Intl()->ColCount())
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return NS_ERROR_INVALID_ARG;
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*aRowIdx = Intl()->RowIndexAt(aCellIdx);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::GetRowAndColumnIndicesAt(int32_t aCellIdx, int32_t* aRowIdx,
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int32_t* aColIdx) {
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NS_ENSURE_ARG_POINTER(aRowIdx);
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*aRowIdx = -1;
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NS_ENSURE_ARG_POINTER(aColIdx);
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*aColIdx = -1;
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if (!Intl()) return NS_ERROR_FAILURE;
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if (aCellIdx < 0 || static_cast<uint32_t>(aCellIdx) >=
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Intl()->RowCount() * Intl()->ColCount())
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return NS_ERROR_INVALID_ARG;
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Intl()->RowAndColIndicesAt(aCellIdx, aRowIdx, aColIdx);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::GetSummary(nsAString& aSummary) {
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if (!Intl()) return NS_ERROR_FAILURE;
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nsAutoString summary;
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Intl()->Summary(summary);
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aSummary.Assign(summary);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::IsProbablyForLayout(bool* aResult) {
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NS_ENSURE_ARG_POINTER(aResult);
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*aResult = false;
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if (!Intl()) return NS_ERROR_FAILURE;
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*aResult = Intl()->IsProbablyLayoutTable();
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::SelectColumn(int32_t aColIdx) {
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if (!Intl()) return NS_ERROR_FAILURE;
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if (aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= Intl()->ColCount())
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return NS_ERROR_INVALID_ARG;
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Intl()->SelectCol(aColIdx);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::SelectRow(int32_t aRowIdx) {
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if (!Intl()) return NS_ERROR_FAILURE;
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if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= Intl()->RowCount())
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return NS_ERROR_INVALID_ARG;
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Intl()->SelectRow(aRowIdx);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::UnselectColumn(int32_t aColIdx) {
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if (!Intl()) return NS_ERROR_FAILURE;
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if (aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= Intl()->ColCount())
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return NS_ERROR_INVALID_ARG;
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Intl()->UnselectCol(aColIdx);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleTable::UnselectRow(int32_t aRowIdx) {
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if (!Intl()) return NS_ERROR_FAILURE;
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if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= Intl()->RowCount())
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return NS_ERROR_INVALID_ARG;
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Intl()->UnselectRow(aRowIdx);
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return NS_OK;
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}
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