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#ifndef nsImapFlagAndUidState_h___
#define nsImapFlagAndUidState_h___

#include "nsMsgKeyArray.h"
#include "nsIImapFlagAndUidState.h"

const PRInt32 kImapFlagAndUidStateSize =	100;

#include "nsHashtable.h"

class nsImapFlagAndUidState : public nsIImapFlagAndUidState
{
public:
    NS_DECL_ISUPPORTS
    nsImapFlagAndUidState(int numberOfMessages, PRUint16 flags = 0);
    nsImapFlagAndUidState(const nsImapFlagAndUidState& state, PRUint16 flags = 0);
    virtual ~nsImapFlagAndUidState();
    

    NS_DECL_NSIIMAPFLAGANDUIDSTATE

    PRInt32               GetNumberOfDeletedMessages();
    
    imapMessageFlagsType  GetMessageFlagsFromUID(PRUint32 uid, PRBool *foundIt, PRInt32 *ndx);
    PRBool                IsLastMessageUnseen(void);
    
    PRUint32              GetHighestNonDeletedUID();
    PRUint16              GetSupportedUserFlags() { return fSupportedUserFlags; };

private:
    
  static PRBool PR_CALLBACK FreeCustomFlags(nsHashKey *aKey, void *aData, void *closure);
    PRInt32                 fNumberOfMessagesAdded;
    PRInt32                 fNumberOfMessageSlotsAllocated;
    PRInt32                 fNumberDeleted;
    nsMsgKeyArray           fUids;
    imapMessageFlagsType    *fFlags;
    nsHashtable             *m_customFlagsHash;	// Hash table, mapping uids to extra flags
    PRUint16                fSupportedUserFlags;
};




#endif