C++ (Cpp) GetCellInRowAt示例

示例#1

文件： nsARIAGridAccessible.cpp 项目： AllenDou/firefox

NS_IMETHODIMP
nsARIAGridAccessible::UnselectColumn(PRInt32 aColumn)
{
  NS_ENSURE_ARG(IsValidColumn(aColumn));

  if (IsDefunct())
    return NS_ERROR_FAILURE;

  nsCOMPtr<nsIAccessible> row;
  while ((row = GetNextRow(row))) {
    nsCOMPtr<nsIAccessible> cell = GetCellInRowAt(row, aColumn);
    if (cell) {
      nsresult rv = SetARIASelected(cell, PR_FALSE);
      NS_ENSURE_SUCCESS(rv, rv);
    }
  }

  return NS_OK;
}

示例#2

文件： nsARIAGridAccessible.cpp 项目： AllenDou/firefox

NS_IMETHODIMP
nsARIAGridAccessible::GetCellAt(PRInt32 aRowIndex, PRInt32 aColumnIndex,
                                nsIAccessible **aAccessible)
{
  NS_ENSURE_ARG_POINTER(aAccessible);
  *aAccessible = nsnull;

  if (IsDefunct())
    return NS_ERROR_FAILURE;

  nsCOMPtr<nsIAccessible> row = GetRowAt(aRowIndex);
  NS_ENSURE_ARG(row);

  nsCOMPtr<nsIAccessible> cell = GetCellInRowAt(row, aColumnIndex);
  NS_ENSURE_ARG(cell);

  NS_ADDREF(*aAccessible = cell);
  return NS_OK;
}

示例#3

文件： nsARIAGridAccessible.cpp 项目： LittleForker/mozilla-central

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;
}

示例#4

文件： nsARIAGridAccessible.cpp 项目： AllenDou/firefox

NS_IMETHODIMP
nsARIAGridAccessible::IsCellSelected(PRInt32 aRow, PRInt32 aColumn,
                                     PRBool *aIsSelected)
{
  NS_ENSURE_ARG_POINTER(aIsSelected);
  *aIsSelected = PR_FALSE;

  if (IsDefunct())
    return NS_ERROR_FAILURE;

  nsCOMPtr<nsIAccessible> row(GetRowAt(aRow));
  NS_ENSURE_ARG(row);

  if (!nsAccUtils::IsARIASelected(row)) {
    nsCOMPtr<nsIAccessible> cell(GetCellInRowAt(row, aColumn));
    NS_ENSURE_ARG(cell);

    if (!nsAccUtils::IsARIASelected(cell))
      return NS_OK;
  }

  *aIsSelected = PR_TRUE;
  return NS_OK;
}