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| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
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| ** This file is part of the QtNetwork module of the Qt Toolkit. |
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| ****************************************************************************/ |
| |
| #ifndef QABSTRACTNETWORKCACHE_H |
| #define QABSTRACTNETWORKCACHE_H |
| |
| #include <QtNetwork/qtnetworkglobal.h> |
| #include <QtCore/qobject.h> |
| #include <QtCore/qshareddata.h> |
| #include <QtCore/qpair.h> |
| #include <QtNetwork/qnetworkrequest.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| class QIODevice; |
| class QDateTime; |
| class QUrl; |
| template<class T> class QList; |
| |
| class QNetworkCacheMetaDataPrivate; |
| class Q_NETWORK_EXPORT QNetworkCacheMetaData |
| { |
| |
| public: |
| typedef QPair<QByteArray, QByteArray> RawHeader; |
| typedef QList<RawHeader> RawHeaderList; |
| typedef QHash<QNetworkRequest::Attribute, QVariant> AttributesMap; |
| |
| QNetworkCacheMetaData(); |
| QNetworkCacheMetaData(const QNetworkCacheMetaData &other); |
| ~QNetworkCacheMetaData(); |
| |
| QNetworkCacheMetaData &operator=(QNetworkCacheMetaData &&other) noexcept { swap(other); return *this; } |
| QNetworkCacheMetaData &operator=(const QNetworkCacheMetaData &other); |
| |
| void swap(QNetworkCacheMetaData &other) noexcept |
| { qSwap(d, other.d); } |
| |
| bool operator==(const QNetworkCacheMetaData &other) const; |
| inline bool operator!=(const QNetworkCacheMetaData &other) const |
| { return !(*this == other); } |
| |
| bool isValid() const; |
| |
| QUrl url() const; |
| void setUrl(const QUrl &url); |
| |
| RawHeaderList rawHeaders() const; |
| void setRawHeaders(const RawHeaderList &headers); |
| |
| QDateTime lastModified() const; |
| void setLastModified(const QDateTime &dateTime); |
| |
| QDateTime expirationDate() const; |
| void setExpirationDate(const QDateTime &dateTime); |
| |
| bool saveToDisk() const; |
| void setSaveToDisk(bool allow); |
| |
| AttributesMap attributes() const; |
| void setAttributes(const AttributesMap &attributes); |
| |
| private: |
| friend class QNetworkCacheMetaDataPrivate; |
| QSharedDataPointer<QNetworkCacheMetaDataPrivate> d; |
| }; |
| |
| Q_DECLARE_SHARED(QNetworkCacheMetaData) |
| |
| Q_NETWORK_EXPORT QDataStream &operator<<(QDataStream &, const QNetworkCacheMetaData &); |
| Q_NETWORK_EXPORT QDataStream &operator>>(QDataStream &, QNetworkCacheMetaData &); |
| |
| |
| class QAbstractNetworkCachePrivate; |
| class Q_NETWORK_EXPORT QAbstractNetworkCache : public QObject |
| { |
| Q_OBJECT |
| |
| public: |
| virtual ~QAbstractNetworkCache(); |
| |
| virtual QNetworkCacheMetaData metaData(const QUrl &url) = 0; |
| virtual void updateMetaData(const QNetworkCacheMetaData &metaData) = 0; |
| virtual QIODevice *data(const QUrl &url) = 0; |
| virtual bool remove(const QUrl &url) = 0; |
| virtual qint64 cacheSize() const = 0; |
| |
| virtual QIODevice *prepare(const QNetworkCacheMetaData &metaData) = 0; |
| virtual void insert(QIODevice *device) = 0; |
| |
| public Q_SLOTS: |
| virtual void clear() = 0; |
| |
| protected: |
| explicit QAbstractNetworkCache(QObject *parent = nullptr); |
| QAbstractNetworkCache(QAbstractNetworkCachePrivate &dd, QObject *parent); |
| |
| private: |
| Q_DECLARE_PRIVATE(QAbstractNetworkCache) |
| Q_DISABLE_COPY(QAbstractNetworkCache) |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif |