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

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

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

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

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

#ifndef QNETWORKDISKCACHE_H

#define QNETWORKDISKCACHE_H

#include <QtNetwork/qabstractnetworkcache.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Network)

#ifndef QT_NO_NETWORKDISKCACHE

class QNetworkDiskCachePrivate;

class Q_NETWORK_EXPORT QNetworkDiskCache : public QAbstractNetworkCache

{

    Q_OBJECT

public:

    explicit QNetworkDiskCache(QObject *parent = 0);

    ~QNetworkDiskCache();

    QString cacheDirectory() const;

    void setCacheDirectory(const QString &cacheDir);

    qint64 maximumCacheSize() const;

    void setMaximumCacheSize(qint64 size);

    qint64 cacheSize() const;

    QNetworkCacheMetaData metaData(const QUrl &url);

    void updateMetaData(const QNetworkCacheMetaData &metaData);

    QIODevice *data(const QUrl &url);

    bool remove(const QUrl &url);

    QIODevice *prepare(const QNetworkCacheMetaData &metaData);

    void insert(QIODevice *device);

    QNetworkCacheMetaData fileMetaData(const QString &fileName) const;

public Q_SLOTS:

    void clear();

protected:

    virtual qint64 expire();

private:

    Q_DECLARE_PRIVATE(QNetworkDiskCache)

    Q_DISABLE_COPY(QNetworkDiskCache)

};

#endif // QT_NO_NETWORKDISKCACHE

QT_END_NAMESPACE

QT_END_HEADER

#endif // QNETWORKDISKCACHE_H