src/network/access/qnetworkaccessftpbackend_p.h
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the QtNetwork module of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
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    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #ifndef QNETWORKACCESSFTPBACKEND_P_H
       
    43 #define QNETWORKACCESSFTPBACKEND_P_H
       
    44 
       
    45 //
       
    46 //  W A R N I N G
       
    47 //  -------------
       
    48 //
       
    49 // This file is not part of the Qt API.  It exists for the convenience
       
    50 // of the Network Access API.  This header file may change from
       
    51 // version to version without notice, or even be removed.
       
    52 //
       
    53 // We mean it.
       
    54 //
       
    55 
       
    56 #include "qnetworkaccessbackend_p.h"
       
    57 #include "qnetworkaccesscache_p.h"
       
    58 #include "qnetworkrequest.h"
       
    59 #include "qnetworkreply.h"
       
    60 #include "QtNetwork/qftp.h"
       
    61 
       
    62 #include "QtCore/qpointer.h"
       
    63 
       
    64 #ifndef QT_NO_FTP
       
    65 
       
    66 QT_BEGIN_NAMESPACE
       
    67 
       
    68 class QNetworkAccessFtpIODevice;
       
    69 class QNetworkAccessCachedFtpConnection;
       
    70 
       
    71 class QNetworkAccessFtpBackend: public QNetworkAccessBackend
       
    72 {
       
    73     Q_OBJECT
       
    74 public:
       
    75     enum State {
       
    76         Idle,
       
    77         //Connecting,
       
    78         LoggingIn,
       
    79         CheckingFeatures,
       
    80         Statting,
       
    81         Transferring,
       
    82         Disconnecting
       
    83     };
       
    84 
       
    85     QNetworkAccessFtpBackend();
       
    86     virtual ~QNetworkAccessFtpBackend();
       
    87 
       
    88     virtual void open();
       
    89     virtual void closeDownstreamChannel();
       
    90     virtual bool waitForDownstreamReadyRead(int msecs);
       
    91 
       
    92     virtual void downstreamReadyWrite();
       
    93 
       
    94     void disconnectFromFtp();
       
    95 
       
    96 public slots:
       
    97     void ftpConnectionReady(QNetworkAccessCache::CacheableObject *object);
       
    98     void ftpDone();
       
    99     void ftpReadyRead();
       
   100     void ftpRawCommandReply(int code, const QString &text);
       
   101 
       
   102 private:
       
   103     friend class QNetworkAccessFtpIODevice;
       
   104     QPointer<QNetworkAccessCachedFtpConnection> ftp;
       
   105     QIODevice *uploadDevice;
       
   106     qint64 totalBytes;
       
   107     int helpId, sizeId, mdtmId;
       
   108     bool supportsSize, supportsMdtm;
       
   109     State state;
       
   110 };
       
   111 
       
   112 class QNetworkAccessFtpBackendFactory: public QNetworkAccessBackendFactory
       
   113 {
       
   114 public:
       
   115     virtual QNetworkAccessBackend *create(QNetworkAccessManager::Operation op,
       
   116                                           const QNetworkRequest &request) const;
       
   117 };
       
   118 
       
   119 QT_END_NAMESPACE
       
   120 
       
   121 #endif // QT_NO_FTP
       
   122 
       
   123 #endif