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/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsISupports.idl"
#include "MailNewsTypes2.idl"  // for nsMsgKey

interface nsIURI;
interface nsIImapUrl;
interface nsIImapIncomingServer;
interface nsIMsgFolder;
interface nsIMsgWindow;
interface nsIImapFlagAndUidState;

[ptr] native nsIImapHostSessionList(nsIImapHostSessionList);
%{C++
class nsIImapHostSessionList;
%}

[scriptable, uuid(6ef189e5-8711-4845-9625-d1c74c22c4b5)]
interface nsIImapProtocol : nsISupports {
  /**
   * Set up this connection to run a URL.
   * Called by nsImapIncomingServer to process a queued URL when it spots a
   * free connection.
   * Because nsImapProtocol is really a connection and doesn't follow the
   * usual nsIChannel lifecycle, this function is provided to allow reuse.
   * Over and over again.
   */
  void LoadImapUrl(in nsIURI aUrl, in nsISupports aConsumer);

  /**
   * IsBusy returns true if the connection is currently processing a URL
   * and false otherwise.
   */
  void IsBusy(out boolean aIsConnectionBusy,
              out boolean isInboxConnection);

  /**
   * Protocol instance examines the URL, looking at the host name,
   * user name and folder the action would be on in order to figure out
   * if it can process this URL. I decided to push the semantics about
   * whether a connection can handle a URL down into the connection level
   * instead of in the connection cache.
   */
  void CanHandleUrl(in nsIImapUrl aImapUrl, out boolean aCanRunUrl,
                    out boolean hasToWait);

  /**
   * Initialize a protocol object.
   * @param aHostSessionList host session list service
   * @param aServer imap server the protocol object will be talking to
   */
  void Initialize(in nsIImapHostSessionList aHostSessionList, in nsIImapIncomingServer aServer);

  void NotifyBodysToDownload(in Array<nsMsgKey> keys);

  // methods to get data from the imap parser flag state.
  void GetFlagsForUID(in unsigned long uid, out boolean foundIt, out unsigned short flags, out string customFlags);
  void GetSupportedUserFlags(out unsigned short flags);

  void GetRunningImapURL(out nsIImapUrl aImapUrl);

  void GetRunningUrl(out nsIURI aUrl);

  readonly attribute nsIImapFlagAndUidState flagAndUidState;
  /**
   * Tell thread to die - only call from the UI thread
   *
   * @param aIsSafeToClose false if we're dropping a timed out connection.
   */
  void tellThreadToDie(in boolean aIsSafeToClose);

  // Get last active time stamp
  void GetLastActiveTimeStamp(out PRTime aTimeStamp);

  void pseudoInterruptMsgLoad(in nsIMsgFolder imapFolder, in nsIMsgWindow aMsgWindow, out boolean interrupted);

  /**
   * Produce a pseudo-interrupt to trigger an abort of an imap mssage fetch.
   *
   * @param aInterrupt true to initiate a pseudo-interrupt; otherwise set false.
   */
  void pseudoInterrupt(in boolean aInterrupt);

  void GetSelectedMailboxName(out string folderName);
  // Reset folder connection to authenticated state
  void ResetToAuthenticatedState();
};