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

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the QtNetwork module of the Qt Toolkit.

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

** ensure the GNU Lesser General Public License version 2.1 requirements

** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

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** $QT_END_LICENSE$

**

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

#ifndef QFTP_H

#define QFTP_H

#include <QtCore/qstring.h>

#include <QtNetwork/qurlinfo.h>

#include <QtCore/qobject.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Network)

#ifndef QT_NO_FTP

class QFtpPrivate;

class Q_NETWORK_EXPORT QFtp : public QObject

{

    Q_OBJECT

public:

    explicit QFtp(QObject *parent = 0);

    virtual ~QFtp();

    enum State {

        Unconnected,

        HostLookup,

        Connecting,

        Connected,

        LoggedIn,

        Closing

    };

    enum Error {

        NoError,

        UnknownError,

        HostNotFound,

        ConnectionRefused,

        NotConnected

    };

    enum Command {

        None,

        SetTransferMode,

        SetProxy,

        ConnectToHost,

        Login,

        Close,

        List,

        Cd,

        Get,

        Put,

        Remove,

        Mkdir,

        Rmdir,

        Rename,

        RawCommand

    };

    enum TransferMode {

        Active,

        Passive

    };

    enum TransferType {

        Binary,

        Ascii

    };

    int setProxy(const QString &host, quint16 port);

    int connectToHost(const QString &host, quint16 port=21);

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

    int close();

    int setTransferMode(TransferMode mode);

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

    int cd(const QString &dir);

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

    int put(const QByteArray &data, const QString &file, TransferType type = Binary);

    int put(QIODevice *dev, const QString &file, TransferType type = Binary);

    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);

    qint64 bytesAvailable() const;

    qint64 read(char *data, qint64 maxlen);

#ifdef QT3_SUPPORT

    inline QT3_SUPPORT qint64 readBlock(char *data, quint64 maxlen)

    { return read(data, qint64(maxlen)); }

#endif

    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(qint64, qint64);

    void rawCommandReply(int, const QString&);

    void commandStarted(int);

    void commandFinished(int, bool);

    void done(bool);

#ifdef QT3_SUPPORT

public:

    QT3_SUPPORT_CONSTRUCTOR QFtp(QObject *parent, const char *name);

#endif

private:

    Q_DISABLE_COPY(QFtp)

    Q_DECLARE_PRIVATE(QFtp)

    Q_PRIVATE_SLOT(d_func(), void _q_startNextCommand())

    Q_PRIVATE_SLOT(d_func(), void _q_piFinished(const QString&))

    Q_PRIVATE_SLOT(d_func(), void _q_piError(int, const QString&))

    Q_PRIVATE_SLOT(d_func(), void _q_piConnectState(int))

    Q_PRIVATE_SLOT(d_func(), void _q_piFtpReply(int, const QString&))

};

#endif // QT_NO_FTP

QT_END_NAMESPACE

QT_END_HEADER

#endif // QFTP_H