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

#ifndef nsMsgMailSession_h___
#define nsMsgMailSession_h___

#include "nsIMsgMailSession.h"
#include "nsISupports.h"
#include "nsCOMPtr.h"
#include "nsIMsgStatusFeedback.h"
#include "nsIMsgWindow.h"
#include "nsCOMArray.h"
#include "nsIMsgShutdown.h"
#include "nsIObserver.h"
#include "nsIMutableArray.h"
#include "nsIMsgProgress.h"
#include "nsTArray.h"
#include "nsTObserverArray.h"
#include "nsIMsgUserFeedbackListener.h"
#include "nsIUrlListener.h"

///////////////////////////////////////////////////////////////////////////////////
// The mail session is a replacement for the old 4.x MSG_Master object. It contains
// mail session generic information such as the user's current mail identity, ....
// I'm starting this off as an empty interface and as people feel they need to
// add more information to it, they can. I think this is a better approach than 
// trying to port over the old MSG_Master in its entirety as that had a lot of 
// cruft in it....
//////////////////////////////////////////////////////////////////////////////////

class nsMsgMailSession : public nsIMsgMailSession,
                         public nsIFolderListener
{
public:
  nsMsgMailSession();

  NS_DECL_THREADSAFE_ISUPPORTS
  NS_DECL_NSIMSGMAILSESSION
  NS_DECL_NSIFOLDERLISTENER

  nsresult Init();
  nsresult GetSelectedLocaleDataDir(nsIFile *defaultsDir);

protected:
  virtual ~nsMsgMailSession();

  struct folderListener {
    nsCOMPtr<nsIFolderListener> mListener;
    uint32_t mNotifyFlags;

    folderListener(nsIFolderListener *aListener, uint32_t aNotifyFlags)
      : mListener(aListener), mNotifyFlags(aNotifyFlags) {}
    folderListener(const folderListener &aListener)
      : mListener(aListener.mListener), mNotifyFlags(aListener.mNotifyFlags) {}
    ~folderListener() {}

    int operator==(nsIFolderListener* aListener) const {
      return mListener == aListener;
    }
    int operator==(const folderListener &aListener) const {
      return mListener == aListener.mListener &&
             mNotifyFlags == aListener.mNotifyFlags;
    }
  };

  nsTObserverArray<folderListener> mListeners;
  nsTObserverArray<nsCOMPtr<nsIMsgUserFeedbackListener> > mFeedbackListeners;

  nsCOMArray<nsIMsgWindow> mWindows;
  // stick this here temporarily
  nsCOMPtr <nsIMsgWindow> m_temporaryMsgWindow;
};

/********************************************************************************/

class nsMsgShutdownService : public nsIMsgShutdownService,
                             public nsIUrlListener,
                             public nsIObserver
{
public:
  nsMsgShutdownService();
  
  NS_DECL_ISUPPORTS
  NS_DECL_NSIMSGSHUTDOWNSERVICE
  NS_DECL_NSIURLLISTENER
  NS_DECL_NSIOBSERVER
    
protected:
  nsresult ProcessNextTask();
  void AttemptShutdown();
  
private:
  virtual ~nsMsgShutdownService();

  nsCOMArray<nsIMsgShutdownTask> mShutdownTasks;
  nsCOMPtr<nsIMsgProgress>       mMsgProgress;
  uint32_t                       mTaskIndex;
  uint32_t                       mQuitMode;
  bool mProcessedShutdown;
  bool mQuitForced;
  bool mReadyToQuit;
};

#endif /* nsMsgMailSession_h__ */