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#ifndef nsFileTransportService_h___
#define nsFileTransportService_h___

#include "nsIFileTransportService.h"
#include "nsIThreadPool.h"
#include "nsSupportsArray.h"
#include "nsIMIMEService.h"

#define NS_FILE_TRANSPORT_WORKER_COUNT_MIN  1
#define NS_FILE_TRANSPORT_WORKER_COUNT_MAX  4//16

class nsFileTransportService : public nsIFileTransportService
{
public:
    NS_DECL_ISUPPORTS
    NS_DECL_NSIFILETRANSPORTSERVICE

    // nsFileTransportService methods:
    nsFileTransportService();
    virtual ~nsFileTransportService();

    static NS_METHOD
    Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);

    nsresult Init();

    static nsFileTransportService *GetInstance() { return mInstance; }

    nsIMIMEService* GetCachedMimeService();

    PRInt32   mConnectedTransports;
    PRInt32   mTotalTransports;
    PRInt32   mInUseTransports;
    
    nsresult  AddSuspendedTransport(nsITransport* trans);
    nsresult  RemoveSuspendedTransport(nsITransport* trans);

    nsSupportsArray mSuspendedTransportList;
    
protected:
    PRBool                          mShuttingDown;
    nsCOMPtr<nsIThreadPool>         mPool;
    PRLock*                         mLock;
    nsCOMPtr<nsIMIMEService>        mMimeService;
    static nsFileTransportService*  mInstance;
};

#endif /* nsFileTransportService_h___ */