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****************************************************************************/

#ifndef Q3FTP_H

#define Q3FTP_H

#include <QtCore/qstring.h> // char*->QString conversion

#include <QtNetwork/qurlinfo.h>

#include <Qt3Support/q3networkprotocol.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Qt3Support)

#ifndef QT_NO_NETWORKPROTOCOL_FTP

class Q3Socket;

class Q3FtpCommand;

class Q_COMPAT_EXPORT Q3Ftp : public Q3NetworkProtocol

{

    Q_OBJECT

public:

    Q3Ftp(); // ### Qt 4.0: get rid of this overload

    Q3Ftp( QObject *parent, const char *name=0 );

    virtual ~Q3Ftp();

    int supportedOperations() const;

    // non-Q3NetworkProtocol functions:

    enum State {

	Unconnected,

	HostLookup,

	Connecting,

	Connected,

	LoggedIn,

	Closing

    };

    enum Error {

	NoError,

	UnknownError,

	HostNotFound,

	ConnectionRefused,

	NotConnected

    };

    enum Command {

	None,

	ConnectToHost,

	Login,

	Close,

	List,

	Cd,

	Get,

	Put,

	Remove,

	Mkdir,

	Rmdir,

	Rename,

	RawCommand

    };

    int connectToHost( const QString &host, Q_UINT16 port=21 );

    int login( const QString &user=QString(), const QString &password=QString() );

    int close();

    int list( const QString &dir=QString() );

    int cd( const QString &dir );

    int get( const QString &file, QIODevice *dev=0 );

    int put( const QByteArray &data, const QString &file );

    int put( QIODevice *dev, const QString &file );

    int remove( const QString &file );

    int mkdir( const QString &dir );

    int rmdir( const QString &dir );

    int rename( const QString &oldname, const QString &newname );

    int rawCommand( const QString &command );

    Q_ULONG bytesAvailable() const;

    Q_LONG readBlock( char *data, Q_ULONG maxlen );

    QByteArray readAll();

    int currentId() const;

    QIODevice* currentDevice() const;

    Command currentCommand() const;

    bool hasPendingCommands() const;

    void clearPendingCommands();

    State state() const;

    Error error() const;

    QString errorString() const;

public Q_SLOTS:

    void abort();

Q_SIGNALS:

    void stateChanged( int );

    void listInfo( const QUrlInfo& );

    void readyRead();

    void dataTransferProgress( int, int );

    void rawCommandReply( int, const QString& );

    void commandStarted( int );

    void commandFinished( int, bool );

    void done( bool );

protected:

    void parseDir( const QString &buffer, QUrlInfo &info ); // ### Qt 4.0: delete this? (not public API)

    void operationListChildren( Q3NetworkOperation *op );

    void operationMkDir( Q3NetworkOperation *op );

    void operationRemove( Q3NetworkOperation *op );

    void operationRename( Q3NetworkOperation *op );

    void operationGet( Q3NetworkOperation *op );

    void operationPut( Q3NetworkOperation *op );

    // ### Qt 4.0: delete these

    // unused variables:

    Q3Socket *commandSocket, *dataSocket;

    bool connectionReady, passiveMode;

    int getTotalSize, getDoneSize;

    bool startGetOnFail;

    int putToWrite, putWritten;

    bool errorInListChildren;

private:

    void init();

    int addCommand( Q3FtpCommand * );

    bool checkConnection( Q3NetworkOperation *op );

private Q_SLOTS:

    void startNextCommand();

    void piFinished( const QString& );

    void piError( int, const QString& );

    void piConnectState( int );

    void piFtpReply( int, const QString& );

private Q_SLOTS:

    void npListInfo( const QUrlInfo & );

    void npDone( bool );

    void npStateChanged( int );

    void npDataTransferProgress( int, int );

    void npReadyRead();

protected Q_SLOTS:

    // ### Qt 4.0: delete these

    void hostFound();

    void connected();

    void closed();

    void dataHostFound();

    void dataConnected();

    void dataClosed();

    void dataReadyRead();

    void dataBytesWritten( int nbytes );

    void error( int );

};

#endif // QT_NO_NETWORKPROTOCOL_FTP

QT_END_NAMESPACE

QT_END_HEADER

#endif // Q3FTP_H