/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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) 1999
 * 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 ***** */

#ifndef _nsImapOfflineSync_H_
#define _nsImapOfflineSync_H_


#include "nsIMsgDatabase.h"
#include "nsIUrlListener.h"
#include "nsIMsgOfflineImapOperation.h"
#include "nsIMsgWindow.h"
#include "nsIMsgFolder.h"
#include "nsCOMArray.h"

class nsImapOfflineSync : public nsIUrlListener, public nsIMsgCopyServiceListener {
public:												// set to one folder to playback one folder only
  nsImapOfflineSync(nsIMsgWindow *window, nsIUrlListener *listener, nsIMsgFolder *singleFolderOnly = nsnull, PRBool isPseudoOffline = PR_FALSE);

  virtual ~nsImapOfflineSync();
  
  NS_DECL_ISUPPORTS
  NS_DECL_NSIURLLISTENER
  NS_DECL_NSIMSGCOPYSERVICELISTENER
  virtual nsresult  ProcessNextOperation(); // this kicks off playback
  
  PRInt32   GetCurrentUIDValidity();
  void	    SetCurrentUIDValidity(PRInt32 uidvalidity) { mCurrentUIDValidity = uidvalidity; }
  
  void	    SetPseudoOffline(PRBool pseudoOffline) {m_pseudoOffline = pseudoOffline;}
  PRBool    ProcessingStaleFolderUpdate() { return m_singleFolderToUpdate != nsnull; }
  
  PRBool    CreateOfflineFolder(nsIMsgFolder *folder);
  void      SetWindow(nsIMsgWindow *window);
protected:
  PRBool    CreateOfflineFolders();
  PRBool    DestFolderOnSameServer(nsIMsgFolder *destFolder);
  nsresult  AdvanceToNextServer();
  nsresult  AdvanceToNextFolder();
  void	    AdvanceToFirstIMAPFolder();
  void 	    DeleteAllOfflineOpsForCurrentDB();
  
  void      ProcessFlagOperation(nsIMsgOfflineImapOperation *currentOp);
  void      ProcessKeywordOperation(nsIMsgOfflineImapOperation *op);
  void	    ProcessMoveOperation(nsIMsgOfflineImapOperation *currentOp);
  void	    ProcessCopyOperation(nsIMsgOfflineImapOperation *currentOp);
  void	    ProcessEmptyTrash(nsIMsgOfflineImapOperation *currentOp);
  void	    ProcessAppendMsgOperation(nsIMsgOfflineImapOperation *currentOp,
                                      nsOfflineImapOperationType opType);
  
  nsCOMPtr <nsIMsgFolder> m_currentFolder;
  nsCOMPtr <nsIMsgFolder> m_singleFolderToUpdate;
  nsCOMPtr <nsIMsgWindow> m_window;
  nsCOMPtr <nsISupportsArray> m_allServers;
  nsCOMPtr <nsISupportsArray> m_allFolders;
  nsCOMPtr <nsIMsgIncomingServer> m_currentServer;
  nsCOMPtr <nsIEnumerator> m_serverEnumerator;
  nsCOMPtr <nsILocalFile> m_curTempFile;
  
  nsTArray<nsMsgKey> m_CurrentKeys;
  nsCOMArray<nsIMsgOfflineImapOperation> m_currentOpsToClear;
  PRUint32      m_KeyIndex;
  nsCOMPtr <nsIMsgDatabase> m_currentDB;
  nsCOMPtr <nsIUrlListener> m_listener;
  PRInt32	mCurrentUIDValidity;
  PRInt32	mCurrentPlaybackOpType;	// kFlagsChanged -> kMsgCopy -> kMsgMoved
  PRBool	m_mailboxupdatesStarted;
  PRBool        m_mailboxupdatesFinished;
  PRBool	m_pseudoOffline;		// for queueing online events in offline db
  PRBool	m_createdOfflineFolders;
  
};

class nsImapOfflineDownloader : public nsImapOfflineSync
{
public:
  nsImapOfflineDownloader(nsIMsgWindow *window, nsIUrlListener *listener);
  virtual ~nsImapOfflineDownloader();
  virtual nsresult  ProcessNextOperation(); // this kicks off download
};

#endif