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Diffstat (limited to '')
| -rw-r--r-- | accessible/xpcom/xpcAccessibleTable.cpp | 363 |
1 files changed, 363 insertions, 0 deletions
diff --git a/accessible/xpcom/xpcAccessibleTable.cpp b/accessible/xpcom/xpcAccessibleTable.cpp new file mode 100644 index 0000000000..c810aec631 --- /dev/null +++ b/accessible/xpcom/xpcAccessibleTable.cpp @@ -0,0 +1,363 @@ +/* -*- 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 "mozilla/a11y/Accessible.h" +#include "mozilla/a11y/TableAccessible.h" + +#include "nsIMutableArray.h" +#include "nsComponentManagerUtils.h" +#include "xpcAccessibleDocument.h" + +using namespace mozilla::a11y; + +static const uint32_t XPC_TABLE_DEFAULT_SIZE = 40; + +//////////////////////////////////////////////////////////////////////////////// +// nsISupports + +NS_IMPL_ISUPPORTS_INHERITED(xpcAccessibleTable, xpcAccessibleHyperText, + 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); + + AutoTArray<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))); + } + + NS_ADDREF(*aSelectedCells = selCells); + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleTable::GetSelectedCellIndices(nsTArray<uint32_t>& aCellsArray) { + if (!Intl()) return NS_ERROR_FAILURE; + + Intl()->SelectedCellIndices(&aCellsArray); + + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleTable::GetSelectedColumnIndices(nsTArray<uint32_t>& aColsArray) { + if (!Intl()) return NS_ERROR_FAILURE; + + Intl()->SelectedColIndices(&aColsArray); + + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleTable::GetSelectedRowIndices(nsTArray<uint32_t>& aRowsArray) { + if (!Intl()) return NS_ERROR_FAILURE; + + Intl()->SelectedRowIndices(&aRowsArray); + + 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; +} |