NS_IMETHODIMP
nsARIAGridAccessible::GetSelectedCellIndices(PRUint32 *aCellsCount,
PRInt32 **aCells)
{
NS_ENSURE_ARG_POINTER(aCellsCount);
*aCellsCount = 0;
NS_ENSURE_ARG_POINTER(aCells);
*aCells = nsnull;
if (IsDefunct())
return NS_ERROR_FAILURE;
PRInt32 rowCount = 0;
GetRowCount(&rowCount);
PRInt32 colCount = 0;
GetColumnCount(&colCount);
nsTArray<PRInt32> selCells(rowCount * colCount);
AccIterator rowIter(this, filters::GetRow);
nsAccessible *row = nsnull;
for (PRInt32 rowIdx = 0; (row = rowIter.GetNext()); rowIdx++) {
if (nsAccUtils::IsARIASelected(row)) {
for (PRInt32 colIdx = 0; colIdx < colCount; colIdx++)
selCells.AppendElement(rowIdx * colCount + colIdx);
continue;
}
AccIterator cellIter(row, filters::GetCell);
nsAccessible *cell = nsnull;
for (PRInt32 colIdx = 0; (cell = cellIter.GetNext()); colIdx++) {
if (nsAccUtils::IsARIASelected(cell))
selCells.AppendElement(rowIdx * colCount + colIdx);
}
}
PRUint32 selCellsCount = selCells.Length();
if (!selCellsCount)
return NS_OK;
*aCells = static_cast<PRInt32*>(
nsMemory::Clone(selCells.Elements(), selCellsCount * sizeof(PRInt32)));
NS_ENSURE_TRUE(*aCells, NS_ERROR_OUT_OF_MEMORY);
*aCellsCount = selCellsCount;
return NS_OK;
}
NS_IMETHODIMP
nsARIAGridAccessible::GetRowCount(PRInt32 *arowCount)
{
NS_ENSURE_ARG_POINTER(arowCount);
*arowCount = 0;
if (IsDefunct())
return NS_ERROR_FAILURE;
AccIterator rowIter(this, filters::GetRow);
while (rowIter.GetNext())
(*arowCount)++;
return NS_OK;
}
NS_IMETHODIMP
nsARIAGridAccessible::SelectRow(PRInt32 aRow)
{
NS_ENSURE_ARG(IsValidRow(aRow));
if (IsDefunct())
return NS_ERROR_FAILURE;
AccIterator rowIter(this, filters::GetRow);
nsAccessible *row = nsnull;
for (PRInt32 rowIdx = 0; (row = rowIter.GetNext()); rowIdx++) {
nsresult rv = SetARIASelected(row, rowIdx == aRow);
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
NS_IMETHODIMP
nsARIAGridAccessible::GetColumnCount(PRInt32 *acolumnCount)
{
NS_ENSURE_ARG_POINTER(acolumnCount);
*acolumnCount = 0;
if (IsDefunct())
return NS_ERROR_FAILURE;
AccIterator rowIter(this, filters::GetRow);
nsAccessible *row = rowIter.GetNext();
AccIterator cellIter(row, filters::GetCell);
nsAccessible *cell = nsnull;
while ((cell = cellIter.GetNext()))
(*acolumnCount)++;
return NS_OK;
}
NS_IMETHODIMP
nsARIAGridAccessible::UnselectColumn(PRInt32 aColumn)
{
NS_ENSURE_ARG(IsValidColumn(aColumn));
if (IsDefunct())
return NS_ERROR_FAILURE;
AccIterator rowIter(this, filters::GetRow);
nsAccessible *row = nsnull;
while ((row = rowIter.GetNext())) {
nsAccessible *cell = GetCellInRowAt(row, aColumn);
if (cell) {
nsresult rv = SetARIASelected(cell, PR_FALSE);
NS_ENSURE_SUCCESS(rv, rv);
}
}
return NS_OK;
}
nsIFrame*
nsMathMLmtableOuterFrame::GetRowFrameAt(nsPresContext* aPresContext,
PRInt32 aRowIndex)
{
PRInt32 rowCount, colCount;
GetTableSize(rowCount, colCount);
// Negative indices mean to find upwards from the end.
if (aRowIndex < 0) {
aRowIndex = rowCount + aRowIndex;
}
// aRowIndex is 1-based, so convert it to a 0-based index
--aRowIndex;
// if our inner table says that the index is valid, find the row now
if (0 <= aRowIndex && aRowIndex <= rowCount) {
nsIFrame* tableFrame = mFrames.FirstChild();
if (!tableFrame || tableFrame->GetType() != nsGkAtoms::tableFrame)
return nsnull;
nsIFrame* rgFrame = tableFrame->GetFirstChild(nsnull);
if (!rgFrame || rgFrame->GetType() != nsGkAtoms::tableRowGroupFrame)
return nsnull;
nsTableIterator rowIter(*rgFrame);
nsIFrame* rowFrame = rowIter.First();
for ( ; rowFrame; rowFrame = rowIter.Next()) {
if (aRowIndex == 0) {
DEBUG_VERIFY_THAT_FRAME_IS(rowFrame, TABLE_ROW);
if (rowFrame->GetType() != nsGkAtoms::tableRowFrame)
return nsnull;
return rowFrame;
}
--aRowIndex;
}
}
return nsnull;
}
NS_IMETHODIMP
nsARIAGridAccessible::GetSelectedCells(nsIArray **aCells)
{
NS_ENSURE_ARG_POINTER(aCells);
*aCells = nsnull;
if (IsDefunct())
return NS_ERROR_FAILURE;
nsresult rv = NS_OK;
nsCOMPtr<nsIMutableArray> selCells =
do_CreateInstance(NS_ARRAY_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
AccIterator rowIter(this, filters::GetRow);
nsAccessible *row = nsnull;
while ((row = rowIter.GetNext())) {
AccIterator cellIter(row, filters::GetCell);
nsAccessible *cell = nsnull;
if (nsAccUtils::IsARIASelected(row)) {
while ((cell = cellIter.GetNext()))
selCells->AppendElement(static_cast<nsIAccessible *>(cell), PR_FALSE);
continue;
}
while ((cell = cellIter.GetNext())) {
if (nsAccUtils::IsARIASelected(cell))
selCells->AppendElement(static_cast<nsIAccessible *>(cell), PR_FALSE);
}
}
NS_ADDREF(*aCells = selCells);
return NS_OK;
}
NS_IMETHODIMP
nsARIAGridAccessible::GetSelectedRowCount(PRUint32* aCount)
{
NS_ENSURE_ARG_POINTER(aCount);
*aCount = 0;
if (IsDefunct())
return NS_ERROR_FAILURE;
AccIterator rowIter(this, filters::GetRow);
nsAccessible *row = nsnull;
while ((row = rowIter.GetNext())) {
if (nsAccUtils::IsARIASelected(row)) {
(*aCount)++;
continue;
}
AccIterator cellIter(row, filters::GetCell);
nsAccessible *cell = cellIter.GetNext();
if (!cell)
continue;
PRBool isRowSelected = PR_TRUE;
do {
if (!nsAccUtils::IsARIASelected(cell)) {
isRowSelected = PR_FALSE;
break;
}
} while ((cell = cellIter.GetNext()));
if (isRowSelected)
(*aCount)++;
}
return NS_OK;
}
nsresult
nsARIAGridAccessible::GetSelectedColumnsArray(PRUint32 *acolumnCount,
PRInt32 **aColumns)
{
NS_ENSURE_ARG_POINTER(acolumnCount);
*acolumnCount = 0;
if (aColumns)
*aColumns = nsnull;
if (IsDefunct())
return NS_ERROR_FAILURE;
AccIterator rowIter(this, filters::GetRow);
nsAccessible *row = rowIter.GetNext();
if (!row)
return NS_OK;
PRInt32 colCount = 0;
GetColumnCount(&colCount);
if (!colCount)
return NS_OK;
PRInt32 selColCount = colCount;
nsTArray<PRBool> isColSelArray(selColCount);
isColSelArray.AppendElements(selColCount);
for (PRInt32 i = 0; i < selColCount; i++)
isColSelArray[i] = PR_TRUE;
do {
if (nsAccUtils::IsARIASelected(row))
continue;
PRInt32 colIdx = 0;
AccIterator cellIter(row, filters::GetCell);
nsAccessible *cell = nsnull;
for (colIdx = 0; (cell = cellIter.GetNext()); colIdx++) {
if (isColSelArray.SafeElementAt(colIdx, PR_FALSE) &&
!nsAccUtils::IsARIASelected(cell)) {
isColSelArray[colIdx] = PR_FALSE;
selColCount--;
}
}
} while ((row = rowIter.GetNext()));
if (!selColCount)
return NS_OK;
if (!aColumns) {
*acolumnCount = selColCount;
return NS_OK;
}
*aColumns = static_cast<PRInt32*>(
nsMemory::Alloc(selColCount * sizeof(PRInt32)));
NS_ENSURE_TRUE(*aColumns, NS_ERROR_OUT_OF_MEMORY);
*acolumnCount = selColCount;
for (PRInt32 colIdx = 0, idx = 0; colIdx < colCount; colIdx++) {
if (isColSelArray[colIdx])
(*aColumns)[idx++] = colIdx;
}
return NS_OK;
}