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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"

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

class nsMailDatabase : public nsMsgDatabase
{
public:
  nsMailDatabase();
  virtual ~nsMailDatabase();
  NS_IMETHOD  Open(nsIFileSpec *aFolderName, PRBool create, PRBool upgrading, nsIMsgDatabase** pMessageDB);
  NS_IMETHOD  ForceClosed();
  NS_IMETHOD DeleteMessages(nsMsgKeyArray* nsMsgKeys, nsIDBChangeListener *instigator);

  NS_IMETHOD StartBatch();
  NS_IMETHOD EndBatch();

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

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

  NS_IMETHOD  SetSummaryValid(PRBool valid);
  NS_IMETHOD  GetSummaryValid(PRBool *valid);
	
  NS_IMETHOD    EnumerateOfflineOps(nsISimpleEnumerator **enumerator);
  NS_IMETHOD    ListAllOfflineOpIds(nsMsgKeyArray *offlineOpIds);
  NS_IMETHOD    ListAllOfflineDeletes(nsMsgKeyArray *offlineDeletes);

  NS_IMETHOD SetFolderStream(nsIOFileStream *aFileStream);

  friend class nsMsgOfflineOpEnumerator;
protected:

  nsresult        GetAllOfflineOpsTable(); // get this on demand

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

  virtual PRBool  SetHdrFlag(nsIMsgDBHdr *, PRBool bSet, MsgFlags flag);
  virtual void    UpdateFolderFlag(nsIMsgDBHdr *msgHdr, PRBool bSet, 
                                    MsgFlags flag, nsIOFileStream **ppFileStream);
  virtual void    SetReparse(PRBool reparse);
  
protected:
  void            GetGlobalPrefs();
  virtual PRBool  ThreadBySubjectWithoutRe() ;
  
  PRBool          m_reparse;
  nsFileSpec	  *m_folderSpec;
  nsIOFileStream  *m_folderStream; 	/* this is a cache for loops which want file left open */
  PRBool          m_ownFolderStream; //if we are the owner of m_folderStream
};

#endif
