qnetworkdiskcache.h

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QNETWORKDISKCACHE_H
#define QNETWORKDISKCACHE_H
 
#include <QtNetwork/qtnetworkglobal.h>
#include <QtNetwork/qabstractnetworkcache.h>
 
QT_REQUIRE_CONFIG(networkdiskcache);
 
QT_BEGIN_NAMESPACE
 
class QNetworkDiskCachePrivate;
class Q_NETWORK_EXPORT QNetworkDiskCache : public QAbstractNetworkCache
{
    Q_OBJECT
 
public:
    explicit QNetworkDiskCache(QObject *parent = nullptr);
    ~QNetworkDiskCache();
 
    QString cacheDirectory() const;
    void setCacheDirectory(const QString &cacheDir);
 
    qint64 maximumCacheSize() const;
    void setMaximumCacheSize(qint64 size);
 
    qint64 cacheSize() const override;
    QNetworkCacheMetaData metaData(const QUrl &url) override;
    void updateMetaData(const QNetworkCacheMetaData &metaData) override;
    QIODevice *data(const QUrl &url) override;
    bool remove(const QUrl &url) override;
    QIODevice *prepare(const QNetworkCacheMetaData &metaData) override;
    void insert(QIODevice *device) override;
 
    QNetworkCacheMetaData fileMetaData(const QString &fileName) const;
 
public Q_SLOTS:
    void clear() override;
 
protected:
    virtual qint64 expire();
 
private:
    Q_DECLARE_PRIVATE(QNetworkDiskCache)
    Q_DISABLE_COPY(QNetworkDiskCache)
};
 
QT_END_NAMESPACE
 
#endif // QNETWORKDISKCACHE_H