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     2 **

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

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

     6 **

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

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

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    28 ** GNU General Public License Usage

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    40 ****************************************************************************/

    41 

    42 #ifndef NETWORKDISKCACHE_H

    43 #define NETWORKDISKCACHE_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 NetworkDiskCachePrivate;

    56 class NetworkDiskCache : public QAbstractNetworkCache

    57 {

    58     Q_OBJECT

    59 

    60 public:

    61     explicit NetworkDiskCache(QObject *parent = 0);

    62     ~NetworkDiskCache();

    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(NetworkDiskCache)

    88     Q_DISABLE_COPY(NetworkDiskCache)

    89 };

    90 

    91 #endif // QT_NO_NETWORKDISKCACHE

    92 

    93 QT_END_NAMESPACE

    94 

    95 QT_END_HEADER

    96 

    97 #endif // NETWORKDISKCACHE_H