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39
40#ifndef QNETWORKDISKCACHE_H
41#define QNETWORKDISKCACHE_H
42
43#include <QtNetwork/qtnetworkglobal.h>
44#include <QtNetwork/qabstractnetworkcache.h>
45
46QT_REQUIRE_CONFIG(networkdiskcache);
47
48QT_BEGIN_NAMESPACE
49
50class QNetworkDiskCachePrivate;
51class Q_NETWORK_EXPORT QNetworkDiskCache : public QAbstractNetworkCache
52{
53 Q_OBJECT
54
55public:
56 explicit QNetworkDiskCache(QObject *parent = nullptr);
57 ~QNetworkDiskCache();
58
59 QString cacheDirectory() const;
60 void setCacheDirectory(const QString &cacheDir);
61
62 qint64 maximumCacheSize() const;
63 void setMaximumCacheSize(qint64 size);
64
65 qint64 cacheSize() const override;
66 QNetworkCacheMetaData metaData(const QUrl &url) override;
67 void updateMetaData(const QNetworkCacheMetaData &metaData) override;
68 QIODevice *data(const QUrl &url) override;
69 bool remove(const QUrl &url) override;
70 QIODevice *prepare(const QNetworkCacheMetaData &metaData) override;
71 void insert(QIODevice *device) override;
72
73 QNetworkCacheMetaData fileMetaData(const QString &fileName) const;
74
75public Q_SLOTS:
76 void clear() override;
77
78protected:
79 virtual qint64 expire();
80
81private:
82 Q_DECLARE_PRIVATE(QNetworkDiskCache)
83 Q_DISABLE_COPY(QNetworkDiskCache)
84};
85
86QT_END_NAMESPACE
87
88#endif // QNETWORKDISKCACHE_H
89

source code of qtbase/src/network/access/qnetworkdiskcache.h