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#ifndef QNETWORKACCESSFTPBACKEND_P_H

#define QNETWORKACCESSFTPBACKEND_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists for the convenience

// of the Network Access API.  This header file may change from

// version to version without notice, or even be removed.

//

// We mean it.

//

#include "qnetworkaccessbackend_p.h"

#include "qnetworkaccesscache_p.h"

#include "qnetworkrequest.h"

#include "qnetworkreply.h"

#include "QtNetwork/qftp.h"

#include "QtCore/qpointer.h"

#ifndef QT_NO_FTP

QT_BEGIN_NAMESPACE

class QNetworkAccessFtpIODevice;

class QNetworkAccessCachedFtpConnection;

class QNetworkAccessFtpBackend: public QNetworkAccessBackend

{

    Q_OBJECT

public:

    enum State {

        Idle,

        //Connecting,

        LoggingIn,

        CheckingFeatures,

        Statting,

        Transferring,

        Disconnecting

    };

    QNetworkAccessFtpBackend();

    virtual ~QNetworkAccessFtpBackend();

    virtual void open();

    virtual void closeDownstreamChannel();

    virtual bool waitForDownstreamReadyRead(int msecs);

    virtual void downstreamReadyWrite();

    void disconnectFromFtp();

public slots:

    void ftpConnectionReady(QNetworkAccessCache::CacheableObject *object);

    void ftpDone();

    void ftpReadyRead();

    void ftpRawCommandReply(int code, const QString &text);

private:

    friend class QNetworkAccessFtpIODevice;

    QPointer<QNetworkAccessCachedFtpConnection> ftp;

    QIODevice *uploadDevice;

    qint64 totalBytes;

    int helpId, sizeId, mdtmId;

    bool supportsSize, supportsMdtm;

    State state;

};

class QNetworkAccessFtpBackendFactory: public QNetworkAccessBackendFactory

{

public:

    virtual QNetworkAccessBackend *create(QNetworkAccessManager::Operation op,

                                          const QNetworkRequest &request) const;

};

QT_END_NAMESPACE

#endif // QT_NO_FTP

#endif