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/* -*- 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) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Seth Spitzer <sspitzer@netscape.com>
 *
 * 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 nsMsgIncomingServer_h__
#define nsMsgIncomingServer_h__

#include "nsIMsgIncomingServer.h"
#include "nsIPrefBranch.h"
#include "nsIMsgFilterList.h"
#include "msgCore.h"
#include "nsIMsgFolder.h"
#include "nsILocalFile.h"
#include "nsCOMPtr.h"
#include "nsWeakReference.h"
#include "nsIMsgDatabase.h"
#include "nsISpamSettings.h"
#include "nsIMsgFilterPlugin.h"
#include "nsDataHashtable.h"

class nsIMsgFolderCache;
class nsIMsgProtocolInfo;

/*
 * base class for nsIMsgIncomingServer - derive your class from here
 * if you want to get some free implementation
 *
 * this particular implementation is not meant to be used directly.
 */

#undef  IMETHOD_VISIBILITY
#define IMETHOD_VISIBILITY NS_VISIBILITY_DEFAULT

class NS_MSG_BASE nsMsgIncomingServer : public nsIMsgIncomingServer,
                                        public nsSupportsWeakReference
{
 public:
  nsMsgIncomingServer();
  virtual ~nsMsgIncomingServer();

  NS_DECL_ISUPPORTS
  NS_DECL_NSIMSGINCOMINGSERVER

protected:
  nsCString m_serverKey;

  // Sets m_password, if password found. Can return NS_ERROR_ABORT if the 
  // user cancels the master password dialog.
  nsresult GetPasswordWithoutUI();

  nsresult ConfigureTemporaryReturnReceiptsFilter(nsIMsgFilterList *filterList);
  nsresult ConfigureTemporaryServerSpamFilters(nsIMsgFilterList *filterList);

  nsCOMPtr <nsIMsgFolder> m_rootFolder;
  nsCOMPtr <nsIMsgDownloadSettings> m_downloadSettings;

  nsresult CreateLocalFolder(nsIFile *path, const nsACString& folderName);
  nsresult GetDeferredServers(nsIMsgIncomingServer *server, nsISupportsArray **_retval);

  nsresult CreateRootFolder();
  virtual nsresult CreateRootFolderFromUri(const nsCString &serverUri,
                                           nsIMsgFolder **rootFolder) = 0;

  nsresult InternalSetHostName(const nsACString& aHostname, const char * prefName);

  nsresult getProtocolInfo(nsIMsgProtocolInfo **aResult);
  nsCOMPtr <nsILocalFile> mFilterFile;
  nsCOMPtr <nsIMsgFilterList> mFilterList;
  nsCOMPtr <nsIMsgFilterList> mEditableFilterList;
  nsCOMPtr<nsIPrefBranch> mPrefBranch;
  nsCOMPtr<nsIPrefBranch> mDefPrefBranch;

  // these allow us to handle duplicate incoming messages, e.g. delete them.
  nsDataHashtable<nsCStringHashKey,PRInt32> m_downloadedHdrs;
  PRInt32  m_numMsgsDownloaded;
static PLDHashOperator evictOldEntries(nsCStringHashKey::KeyType aKey, PRInt32 &aData, void *aClosure);
private:
  PRUint32 m_biffState;
  bool m_serverBusy;
  nsCOMPtr <nsISpamSettings> mSpamSettings;
  nsCOMPtr<nsIMsgFilterPlugin> mFilterPlugin;  // XXX should be a list

protected:
  nsCString m_password;
  bool m_canHaveFilters;
  bool m_displayStartupPage;
  bool mPerformingBiff;
};

#undef  IMETHOD_VISIBILITY
#define IMETHOD_VISIBILITY NS_VISIBILITY_HIDDEN

#endif // nsMsgIncomingServer_h__