/****************************************************************************
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** Copyright (C) 2015 The Qt Company Ltd.
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** $QT_BEGIN_LICENSE:LGPL21$
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****************************************************************************/

#ifndef QNETWORKDISKCACHE_H
#define QNETWORKDISKCACHE_H

#include <QtNetwork/qabstractnetworkcache.h>

QT_BEGIN_NAMESPACE


#ifndef QT_NO_NETWORKDISKCACHE

class QNetworkDiskCachePrivate;
class Q_NETWORK_EXPORT QNetworkDiskCache : public QAbstractNetworkCache
{
    Q_OBJECT

public:
    explicit QNetworkDiskCache(QObject *parent = Q_NULLPTR);
    ~QNetworkDiskCache();

    QString cacheDirectory() const;
    void setCacheDirectory(const QString &cacheDir);

    qint64 maximumCacheSize() const;
    void setMaximumCacheSize(qint64 size);

    qint64 cacheSize() const Q_DECL_OVERRIDE;
    QNetworkCacheMetaData metaData(const QUrl &url) Q_DECL_OVERRIDE;
    void updateMetaData(const QNetworkCacheMetaData &metaData) Q_DECL_OVERRIDE;
    QIODevice *data(const QUrl &url) Q_DECL_OVERRIDE;
    bool remove(const QUrl &url) Q_DECL_OVERRIDE;
    QIODevice *prepare(const QNetworkCacheMetaData &metaData) Q_DECL_OVERRIDE;
    void insert(QIODevice *device) Q_DECL_OVERRIDE;

    QNetworkCacheMetaData fileMetaData(const QString &fileName) const;

public Q_SLOTS:
    void clear() Q_DECL_OVERRIDE;

protected:
    virtual qint64 expire();

private:
    Q_DECLARE_PRIVATE(QNetworkDiskCache)
    Q_DISABLE_COPY(QNetworkDiskCache)
};

#endif // QT_NO_NETWORKDISKCACHE

QT_END_NAMESPACE

#endif // QNETWORKDISKCACHE_H