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 * The Original Code is mozilla.org code.
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#ifndef _nsMailDatabase_H_
#define _nsMailDatabase_H_

#include "nsMsgDatabase.h"
#include "nsMsgMessageFlags.h"
#include "nsILocalFile.h"
#include "nsTArray.h"

// This is the subclass of nsMsgDatabase that handles local mail messages.
class nsIOFileStream;
class nsILocalFile;
class nsOfflineImapOperation;

class nsMailDatabase : public nsMsgDatabase
{
public:
  nsMailDatabase();
  virtual ~nsMailDatabase();
  NS_IMETHOD  Open(nsILocalFile *aFolderName, bool create, bool upgrading);
  NS_IMETHOD  ForceClosed();
  NS_IMETHOD DeleteMessages(PRUint32 aNumKeys, nsMsgKey* nsMsgKeys, nsIDBChangeListener *instigator);

  NS_IMETHOD StartBatch();
  NS_IMETHOD EndBatch();

  static  nsresult        SetFolderInfoValid(nsILocalFile *folderFile, int num, int numunread);
  nsresult                GetFolderName(nsString &folderName);
  virtual nsMailDatabase  *GetMailDB() {return this;}

  virtual PRUint32  GetCurVersion() {return kMsgDBVersion;}
  
  NS_IMETHOD  GetOfflineOpForKey(nsMsgKey opKey, bool create, nsIMsgOfflineImapOperation **op);
  NS_IMETHOD  RemoveOfflineOp(nsIMsgOfflineImapOperation *op);

  NS_IMETHOD  SetSummaryValid(bool valid);
  NS_IMETHOD  GetSummaryValid(bool *valid);
	
  NS_IMETHOD    EnumerateOfflineOps(nsISimpleEnumerator **enumerator);
  NS_IMETHOD    ListAllOfflineOpIds(nsTArray<nsMsgKey> *offlineOpIds);
  NS_IMETHOD    ListAllOfflineDeletes(nsTArray<nsMsgKey> *offlineDeletes);

  NS_IMETHOD SetFolderStream(nsIOutputStream *aFileStream);
  NS_IMETHOD GetFolderStream(nsIOutputStream **aFileStream);

  friend class nsMsgOfflineOpEnumerator;
protected:

  nsresult        GetAllOfflineOpsTable(); // get this on demand

  // get the time and date of the mailbox file
  void            GetMailboxModProperties(PRInt64 *aSize, PRUint32 *aDate); 

  nsCOMPtr <nsIMdbTable>  m_mdbAllOfflineOpsTable;
  mdb_token       m_offlineOpsRowScopeToken;
  mdb_token       m_offlineOpsTableKindToken;

  virtual bool    SetHdrFlag(nsIMsgDBHdr *, bool bSet, nsMsgMessageFlagType flag);
  virtual void    UpdateFolderFlag(nsIMsgDBHdr *msgHdr, bool bSet, 
                                   nsMsgMessageFlagType flag, nsIOutputStream **ppFileStream);
  virtual void    SetReparse(bool reparse);
  
protected:
  virtual void    GetGlobalPrefs();
  
  bool            m_reparse;
  nsCOMPtr <nsILocalFile> m_folderFile;
  nsCOMPtr <nsIOutputStream> m_folderStream; 	/* this is a cache for loops which want file left open */
  bool            m_ownFolderStream; //if we are the owner of m_folderStream
};

#endif
