diff -r 000000000000 -r 6474c204b198 accessible/src/xpcom/xpcAccessibleTable.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/accessible/src/xpcom/xpcAccessibleTable.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,487 @@
+/* -*- 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 "nsIMutableArray.h"
+#include "nsComponentManagerUtils.h"
+
+using namespace mozilla::a11y;
+
+static const uint32_t XPC_TABLE_DEFAULT_SIZE = 40;
+
+nsresult
+xpcAccessibleTable::GetCaption(nsIAccessible** aCaption)
+{
+  NS_ENSURE_ARG_POINTER(aCaption);
+  *aCaption = nullptr;
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  NS_IF_ADDREF(*aCaption = mTable->Caption());
+  return NS_OK;
+}
+
+nsresult
+xpcAccessibleTable::GetColumnCount(int32_t* aColumnCount)
+{
+  NS_ENSURE_ARG_POINTER(aColumnCount);
+  *aColumnCount = 0;
+
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  *aColumnCount = mTable->ColCount();
+  return NS_OK;
+}
+
+nsresult
+xpcAccessibleTable::GetRowCount(int32_t* aRowCount)
+{
+  NS_ENSURE_ARG_POINTER(aRowCount);
+  *aRowCount = 0;
+
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  *aRowCount = mTable->RowCount();
+  return NS_OK;
+}
+
+nsresult
+xpcAccessibleTable::GetCellAt(int32_t aRowIdx, int32_t aColIdx,
+                              nsIAccessible** aCell)
+{
+  NS_ENSURE_ARG_POINTER(aCell);
+  *aCell = nullptr;
+
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= mTable->RowCount() ||
+      aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= mTable->ColCount())
+    return NS_ERROR_INVALID_ARG;
+
+  NS_IF_ADDREF(*aCell = mTable->CellAt(aRowIdx, aColIdx));
+  return NS_OK;
+}
+
+nsresult
+xpcAccessibleTable::GetCellIndexAt(int32_t aRowIdx, int32_t aColIdx,
+                                   int32_t* aCellIdx)
+{
+  NS_ENSURE_ARG_POINTER(aCellIdx);
+  *aCellIdx = -1;
+
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= mTable->RowCount() ||
+      aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= mTable->ColCount())
+    return NS_ERROR_INVALID_ARG;
+
+  *aCellIdx = mTable->CellIndexAt(aRowIdx, aColIdx);
+  return NS_OK;
+}
+
+nsresult
+xpcAccessibleTable::GetColumnExtentAt(int32_t aRowIdx, int32_t aColIdx,
+                                      int32_t* aColumnExtent)
+{
+  NS_ENSURE_ARG_POINTER(aColumnExtent);
+  *aColumnExtent = -1;
+
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= mTable->RowCount() ||
+      aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= mTable->ColCount())
+    return NS_ERROR_INVALID_ARG;
+
+  *aColumnExtent = mTable->ColExtentAt(aRowIdx, aColIdx);
+  return NS_OK;
+}
+
+nsresult
+xpcAccessibleTable::GetRowExtentAt(int32_t aRowIdx, int32_t aColIdx,
+                                   int32_t* aRowExtent)
+{
+  NS_ENSURE_ARG_POINTER(aRowExtent);
+  *aRowExtent = -1;
+
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= mTable->RowCount() ||
+      aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= mTable->ColCount())
+    return NS_ERROR_INVALID_ARG;
+
+  *aRowExtent = mTable->RowExtentAt(aRowIdx, aColIdx);
+  return NS_OK;
+}
+
+nsresult
+xpcAccessibleTable::GetColumnDescription(int32_t aColIdx,
+                                         nsAString& aDescription)
+{
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  if (aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= mTable->ColCount())
+    return NS_ERROR_INVALID_ARG;
+
+  nsAutoString description;
+  mTable->ColDescription(aColIdx, description);
+  aDescription.Assign(description);
+
+  return NS_OK;
+}
+
+nsresult
+xpcAccessibleTable::GetRowDescription(int32_t aRowIdx, nsAString& aDescription)
+{
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= mTable->ColCount())
+    return NS_ERROR_INVALID_ARG;
+
+  nsAutoString description;
+  mTable->RowDescription(aRowIdx, description);
+  aDescription.Assign(description);
+
+  return NS_OK;
+}
+
+nsresult
+xpcAccessibleTable::IsColumnSelected(int32_t aColIdx, bool* aIsSelected)
+{
+  NS_ENSURE_ARG_POINTER(aIsSelected);
+  *aIsSelected = false;
+
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  if (aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= mTable->ColCount())
+    return NS_ERROR_INVALID_ARG;
+
+  *aIsSelected = mTable->IsColSelected(aColIdx);
+  return NS_OK;
+}
+
+nsresult
+xpcAccessibleTable::IsRowSelected(int32_t aRowIdx, bool* aIsSelected)
+{
+  NS_ENSURE_ARG_POINTER(aIsSelected);
+  *aIsSelected = false;
+
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= mTable->RowCount())
+    return NS_ERROR_INVALID_ARG;
+
+  *aIsSelected = mTable->IsRowSelected(aRowIdx);
+  return NS_OK;
+}
+
+nsresult
+xpcAccessibleTable::IsCellSelected(int32_t aRowIdx, int32_t aColIdx,
+                                   bool* aIsSelected)
+{
+  NS_ENSURE_ARG_POINTER(aIsSelected);
+  *aIsSelected = false;
+
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= mTable->RowCount() ||
+      aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= mTable->ColCount())
+    return NS_ERROR_INVALID_ARG;
+
+  *aIsSelected = mTable->IsCellSelected(aRowIdx, aColIdx);
+  return NS_OK;
+}
+
+nsresult
+xpcAccessibleTable::GetSelectedCellCount(uint32_t* aSelectedCellCount)
+{
+  NS_ENSURE_ARG_POINTER(aSelectedCellCount);
+  *aSelectedCellCount = 0;
+
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  *aSelectedCellCount = mTable->SelectedCellCount();
+  return NS_OK;
+}
+
+nsresult
+xpcAccessibleTable::GetSelectedColumnCount(uint32_t* aSelectedColumnCount)
+{
+  NS_ENSURE_ARG_POINTER(aSelectedColumnCount);
+  *aSelectedColumnCount = 0;
+
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  *aSelectedColumnCount = mTable->SelectedColCount();
+  return NS_OK;
+}
+
+nsresult
+xpcAccessibleTable::GetSelectedRowCount(uint32_t* aSelectedRowCount)
+{
+  NS_ENSURE_ARG_POINTER(aSelectedRowCount);
+  *aSelectedRowCount = 0;
+
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  *aSelectedRowCount = mTable->SelectedRowCount();
+  return NS_OK;
+}
+
+nsresult
+xpcAccessibleTable::GetSelectedCells(nsIArray** aSelectedCells)
+{
+  NS_ENSURE_ARG_POINTER(aSelectedCells);
+  *aSelectedCells = nullptr;
+
+  if (!mTable)
+    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;
+  mTable->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*>(cell), false);
+  }
+
+  NS_ADDREF(*aSelectedCells = selCells);
+  return NS_OK;
+}
+
+nsresult
+xpcAccessibleTable::GetSelectedCellIndices(uint32_t* aCellsArraySize,
+                                           int32_t** aCellsArray)
+{
+  NS_ENSURE_ARG_POINTER(aCellsArraySize);
+  *aCellsArraySize = 0;
+
+  NS_ENSURE_ARG_POINTER(aCellsArray);
+  *aCellsArray = 0;
+
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  nsAutoTArray<uint32_t, XPC_TABLE_DEFAULT_SIZE> cellsArray;
+  mTable->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;
+}
+
+nsresult
+xpcAccessibleTable::GetSelectedColumnIndices(uint32_t* aColsArraySize,
+                                             int32_t** aColsArray)
+{
+  NS_ENSURE_ARG_POINTER(aColsArraySize);
+  *aColsArraySize = 0;
+
+  NS_ENSURE_ARG_POINTER(aColsArray);
+  *aColsArray = 0;
+
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  nsAutoTArray<uint32_t, XPC_TABLE_DEFAULT_SIZE> colsArray;
+  mTable->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;
+}
+
+nsresult
+xpcAccessibleTable::GetSelectedRowIndices(uint32_t* aRowsArraySize,
+                                          int32_t** aRowsArray)
+{
+  NS_ENSURE_ARG_POINTER(aRowsArraySize);
+  *aRowsArraySize = 0;
+
+  NS_ENSURE_ARG_POINTER(aRowsArray);
+  *aRowsArray = 0;
+
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  nsAutoTArray<uint32_t, XPC_TABLE_DEFAULT_SIZE> rowsArray;
+  mTable->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;
+}
+
+nsresult 
+xpcAccessibleTable::GetColumnIndexAt(int32_t aCellIdx, int32_t* aColIdx)
+{
+  NS_ENSURE_ARG_POINTER(aColIdx);
+  *aColIdx = -1;
+
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  if (aCellIdx < 0 
+      || static_cast<uint32_t>(aCellIdx) 
+      >= mTable->RowCount() * mTable->ColCount())
+    return NS_ERROR_INVALID_ARG;
+
+  *aColIdx = mTable->ColIndexAt(aCellIdx);
+  return NS_OK;
+}
+
+nsresult 
+xpcAccessibleTable::GetRowIndexAt(int32_t aCellIdx, int32_t* aRowIdx)
+{
+  NS_ENSURE_ARG_POINTER(aRowIdx);
+  *aRowIdx = -1;
+
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  if (aCellIdx < 0 
+      || static_cast<uint32_t>(aCellIdx) 
+      >= mTable->RowCount() * mTable->ColCount())
+    return NS_ERROR_INVALID_ARG;
+
+  *aRowIdx = mTable->RowIndexAt(aCellIdx);
+  return NS_OK;
+}
+
+nsresult
+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 (!mTable)
+    return NS_ERROR_FAILURE;
+
+  if (aCellIdx < 0 
+      || static_cast<uint32_t>(aCellIdx) 
+      >= mTable->RowCount() * mTable->ColCount())
+    return NS_ERROR_INVALID_ARG;
+
+  mTable->RowAndColIndicesAt(aCellIdx, aRowIdx, aColIdx);
+  return NS_OK;  
+}
+
+nsresult
+xpcAccessibleTable::GetSummary(nsAString& aSummary)
+{
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  nsAutoString summary;
+  mTable->Summary(summary);
+  aSummary.Assign(summary);
+
+  return NS_OK;
+}
+
+nsresult
+xpcAccessibleTable::IsProbablyForLayout(bool* aResult)
+{
+  NS_ENSURE_ARG_POINTER(aResult);
+  *aResult = false;
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  *aResult = mTable->IsProbablyLayoutTable();
+  return NS_OK;
+}
+
+nsresult
+xpcAccessibleTable::SelectColumn(int32_t aColIdx)
+{
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  if (aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= mTable->ColCount())
+    return NS_ERROR_INVALID_ARG;
+
+  mTable->SelectCol(aColIdx);
+  return NS_OK;
+}
+
+nsresult
+xpcAccessibleTable::SelectRow(int32_t aRowIdx)
+{
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= mTable->RowCount())
+    return NS_ERROR_INVALID_ARG;
+
+  mTable->SelectRow(aRowIdx);
+  return NS_OK;
+}
+
+nsresult
+xpcAccessibleTable::UnselectColumn(int32_t aColIdx)
+{
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  if (aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= mTable->ColCount())
+    return NS_ERROR_INVALID_ARG;
+
+  mTable->UnselectCol(aColIdx);
+  return NS_OK;
+}
+
+nsresult
+xpcAccessibleTable::UnselectRow(int32_t aRowIdx)
+{
+  if (!mTable)
+    return NS_ERROR_FAILURE;
+
+  if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= mTable->RowCount())
+    return NS_ERROR_INVALID_ARG;
+
+  mTable->UnselectRow(aRowIdx);
+  return NS_OK;
+}
+
+