C++ (Cpp) UndoTransactionInternal Examples

Example #1

File: nsLocalUndoTxn.cpp Project: binoc-software/mozilla-cvs

NS_IMETHODIMP
nsLocalMoveCopyMsgTxn::UndoTransaction()
{
  nsresult rv;
  nsCOMPtr<nsIMsgDatabase> dstDB;
  
  nsCOMPtr<nsIMsgFolder> dstFolder = do_QueryReferent(m_dstFolder, &rv);
  NS_ENSURE_SUCCESS(rv, rv);
  nsCOMPtr<nsIMsgLocalMailFolder> dstlocalMailFolder = do_QueryReferent(m_dstFolder, &rv);
  NS_ENSURE_SUCCESS(rv, rv);
  dstlocalMailFolder->GetDatabaseWOReparse(getter_AddRefs(dstDB));

  if (!dstDB)
  {
    mUndoFolderListener = new nsLocalUndoFolderListener(this, dstFolder);
    if (!mUndoFolderListener)
      return NS_ERROR_OUT_OF_MEMORY; 
    NS_ADDREF(mUndoFolderListener);
    
    nsCOMPtr<nsIMsgMailSession> mailSession = 
      do_GetService(NS_MSGMAILSESSION_CONTRACTID, &rv); 
    NS_ENSURE_SUCCESS(rv,rv);
    
    rv = mailSession->AddFolderListener(mUndoFolderListener, nsIFolderListener::event);
    NS_ENSURE_SUCCESS(rv,rv);
    
    rv = dstFolder->GetMsgDatabase(nsnull, getter_AddRefs(dstDB));
    NS_ENSURE_SUCCESS(rv,rv);
  }
  else
    rv = UndoTransactionInternal();
  return rv;
}

Example #2

File: nsLocalUndoTxn.cpp Project: aleth/releases-comm-central

NS_IMETHODIMP
nsLocalMoveCopyMsgTxn::UndoTransaction()
{
  nsresult rv;
  nsCOMPtr<nsIMsgDatabase> dstDB;
  
  nsCOMPtr<nsIMsgFolder> dstFolder = do_QueryReferent(m_dstFolder, &rv);
  NS_ENSURE_SUCCESS(rv, rv);
  nsCOMPtr<nsIMsgLocalMailFolder> dstlocalMailFolder = do_QueryReferent(m_dstFolder, &rv);
  NS_ENSURE_SUCCESS(rv, rv);
  dstlocalMailFolder->GetDatabaseWOReparse(getter_AddRefs(dstDB));

  if (!dstDB)
  {
    // This will listen for the db reparse finishing, and the corresponding
    // FolderLoadedNotification. When it gets that, it will then call
    // UndoTransactionInternal.
    mUndoFolderListener = new nsLocalUndoFolderListener(this, dstFolder);
    if (!mUndoFolderListener)
      return NS_ERROR_OUT_OF_MEMORY; 
    NS_ADDREF(mUndoFolderListener);
    
    nsCOMPtr<nsIMsgMailSession> mailSession = 
      do_GetService(NS_MSGMAILSESSION_CONTRACTID, &rv); 
    NS_ENSURE_SUCCESS(rv,rv);
    
    rv = mailSession->AddFolderListener(mUndoFolderListener, nsIFolderListener::event);
    NS_ENSURE_SUCCESS(rv,rv);
    
    rv = dstFolder->GetMsgDatabase(getter_AddRefs(dstDB));
    NS_ENSURE_SUCCESS(rv,rv);
  }
  else
    rv = UndoTransactionInternal();
  return rv;
}