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.

    23 **

    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 QNETWORKDISKCACHE_H

    43 #define QNETWORKDISKCACHE_H

    44 

    45 #include <QtNetwork/qabstractnetworkcache.h>

    46 

    47 QT_BEGIN_HEADER

    48 

    49 QT_BEGIN_NAMESPACE

    50 

    51 QT_MODULE(Network)

    52 

    53 #ifndef QT_NO_NETWORKDISKCACHE

    54 

    55 class QNetworkDiskCachePrivate;

    56 class Q_NETWORK_EXPORT QNetworkDiskCache : public QAbstractNetworkCache

    57 {

    58     Q_OBJECT

    59 

    60 public:

    61     explicit QNetworkDiskCache(QObject *parent = 0);

    62     ~QNetworkDiskCache();

    63 

    64     QString cacheDirectory() const;

    65     void setCacheDirectory(const QString &cacheDir);

    66 

    67     qint64 maximumCacheSize() const;

    68     void setMaximumCacheSize(qint64 size);

    69 

    70     qint64 cacheSize() const;

    71     QNetworkCacheMetaData metaData(const QUrl &url);

    72     void updateMetaData(const QNetworkCacheMetaData &metaData);

    73     QIODevice *data(const QUrl &url);

    74     bool remove(const QUrl &url);

    75     QIODevice *prepare(const QNetworkCacheMetaData &metaData);

    76     void insert(QIODevice *device);

    77 

    78     QNetworkCacheMetaData fileMetaData(const QString &fileName) const;

    79 

    80 public Q_SLOTS:

    81     void clear();

    82 

    83 protected:

    84     virtual qint64 expire();

    85 

    86 private:

    87     Q_DECLARE_PRIVATE(QNetworkDiskCache)

    88     Q_DISABLE_COPY(QNetworkDiskCache)

    89 };

    90 

    91 #endif // QT_NO_NETWORKDISKCACHE

    92 

    93 QT_END_NAMESPACE

    94 

    95 QT_END_HEADER

    96 

    97 #endif // QNETWORKDISKCACHE_H