gecko-dev/mailnews/base/util/nsMsgTxn.cpp
2004-04-17 18:33:16 +00:00

131 lines
3.8 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsMsgTxn.h"
#include "nsIMsgHdr.h"
NS_IMPL_THREADSAFE_ADDREF(nsMsgTxn)
NS_IMPL_THREADSAFE_RELEASE(nsMsgTxn)
NS_IMPL_THREADSAFE_QUERY_INTERFACE1(nsMsgTxn, nsITransaction)
// note that aEditor is not refcounted
nsMsgTxn::nsMsgTxn()
{
m_txnType = 0;
}
nsMsgTxn::~nsMsgTxn()
{
}
NS_IMETHODIMP nsMsgTxn::DoTransaction(void)
{
return NS_OK;
}
NS_IMETHODIMP nsMsgTxn::GetIsTransient(PRBool *aIsTransient)
{
if (nsnull!=aIsTransient)
*aIsTransient = PR_FALSE;
else
return NS_ERROR_NULL_POINTER;
return NS_OK;
}
NS_IMETHODIMP nsMsgTxn::Merge(nsITransaction *aTransaction, PRBool *aDidMerge)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsMsgTxn::GetMsgWindow(nsIMsgWindow **msgWindow)
{
if (!msgWindow || !m_msgWindow)
return NS_ERROR_NULL_POINTER;
*msgWindow = m_msgWindow;
NS_ADDREF (*msgWindow);
return NS_OK;
}
NS_IMETHODIMP nsMsgTxn::SetMsgWindow(nsIMsgWindow *msgWindow)
{
m_msgWindow = msgWindow;
return NS_OK;
}
NS_IMETHODIMP
nsMsgTxn::GetTransactionType(PRUint32 *txnType)
{
if (!txnType)
return NS_ERROR_NULL_POINTER;
*txnType = m_txnType;
return NS_OK;
}
NS_IMETHODIMP
nsMsgTxn::SetTransactionType(PRUint32 txnType)
{
m_txnType = txnType;
return NS_OK;
}
/*none of the callers pass null aFolder,
we always initialize aResult (before we pass in) for the case where the key is not in the db*/
nsresult
nsMsgTxn::CheckForToggleDelete(nsIMsgFolder *aFolder, const nsMsgKey &aMsgKey, PRBool *aResult)
{
NS_ENSURE_ARG(aResult);
nsCOMPtr<nsIMsgDBHdr> message;
nsCOMPtr<nsIMsgDatabase> db;
nsresult rv = aFolder->GetMsgDatabase(nsnull,getter_AddRefs(db));
if (db)
{
PRBool containsKey;
rv = db->ContainsKey(aMsgKey, &containsKey);
if (NS_FAILED(rv) || !containsKey) // the message has been deleted from db, so we cannot do toggle here
return NS_OK;
rv = db->GetMsgHdrForKey(aMsgKey, getter_AddRefs(message));
PRUint32 flags;
if (NS_SUCCEEDED(rv) && message)
{
message->GetFlags(&flags);
*aResult = (flags & MSG_FLAG_IMAP_DELETED) != 0;
}
}
return rv;
}