1 | /**************************************************************************** |
2 | ** |
3 | ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). |
4 | ** Contact: http://www.qt-project.org/ |
5 | ** |
6 | ** This file is part of the QtNetwork module of the Qt Toolkit. |
7 | ** |
8 | ** $QT_BEGIN_LICENSE:LGPL$ |
9 | ** GNU Lesser General Public License Usage |
10 | ** This file may be used under the terms of the GNU Lesser General Public |
11 | ** License version 2.1 as published by the Free Software Foundation and |
12 | ** appearing in the file LICENSE.LGPL included in the packaging of this |
13 | ** file. Please review the following information to ensure the GNU Lesser |
14 | ** General Public License version 2.1 requirements will be met: |
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16 | ** |
17 | ** In addition, as a special exception, Nokia gives you certain additional |
18 | ** rights. These rights are described in the Nokia Qt LGPL Exception |
19 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
20 | ** |
21 | ** GNU General Public License Usage |
22 | ** Alternatively, this file may be used under the terms of the GNU General |
23 | ** Public License version 3.0 as published by the Free Software Foundation |
24 | ** and appearing in the file LICENSE.GPL included in the packaging of this |
25 | ** file. Please review the following information to ensure the GNU General |
26 | ** Public License version 3.0 requirements will be met: |
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28 | ** |
29 | ** Other Usage |
30 | ** Alternatively, this file may be used in accordance with the terms and |
31 | ** conditions contained in a signed written agreement between you and Nokia. |
32 | ** |
33 | ** |
34 | ** |
35 | ** |
36 | ** |
37 | ** |
38 | ** $QT_END_LICENSE$ |
39 | ** |
40 | ****************************************************************************/ |
41 | |
42 | #ifndef QABSTRACTNETWORKCACHE_H |
43 | #define QABSTRACTNETWORKCACHE_H |
44 | |
45 | #include <QtCore/qobject.h> |
46 | #include <QtCore/qshareddata.h> |
47 | #include <QtCore/qpair.h> |
48 | #include <QtNetwork/qnetworkrequest.h> |
49 | |
50 | QT_BEGIN_HEADER |
51 | |
52 | QT_BEGIN_NAMESPACE |
53 | |
54 | QT_MODULE(Network) |
55 | |
56 | class QIODevice; |
57 | class QDateTime; |
58 | class QUrl; |
59 | template<class T> class QList; |
60 | |
61 | class QNetworkCacheMetaDataPrivate; |
62 | class Q_NETWORK_EXPORT QNetworkCacheMetaData |
63 | { |
64 | |
65 | public: |
66 | typedef QPair<QByteArray, QByteArray> ; |
67 | typedef QList<RawHeader> ; |
68 | typedef QHash<QNetworkRequest::Attribute, QVariant> AttributesMap; |
69 | |
70 | QNetworkCacheMetaData(); |
71 | QNetworkCacheMetaData(const QNetworkCacheMetaData &other); |
72 | ~QNetworkCacheMetaData(); |
73 | |
74 | QNetworkCacheMetaData &operator=(const QNetworkCacheMetaData &other); |
75 | bool operator==(const QNetworkCacheMetaData &other) const; |
76 | inline bool operator!=(const QNetworkCacheMetaData &other) const |
77 | { return !(*this == other); } |
78 | |
79 | bool isValid() const; |
80 | |
81 | QUrl url() const; |
82 | void setUrl(const QUrl &url); |
83 | |
84 | RawHeaderList () const; |
85 | void (const RawHeaderList &); |
86 | |
87 | QDateTime lastModified() const; |
88 | void setLastModified(const QDateTime &dateTime); |
89 | |
90 | QDateTime expirationDate() const; |
91 | void setExpirationDate(const QDateTime &dateTime); |
92 | |
93 | bool saveToDisk() const; |
94 | void setSaveToDisk(bool allow); |
95 | |
96 | AttributesMap attributes() const; |
97 | void setAttributes(const AttributesMap &attributes); |
98 | |
99 | private: |
100 | friend class QNetworkCacheMetaDataPrivate; |
101 | QSharedDataPointer<QNetworkCacheMetaDataPrivate> d; |
102 | }; |
103 | |
104 | Q_NETWORK_EXPORT QDataStream &operator<<(QDataStream &, const QNetworkCacheMetaData &); |
105 | Q_NETWORK_EXPORT QDataStream &operator>>(QDataStream &, QNetworkCacheMetaData &); |
106 | |
107 | |
108 | class QAbstractNetworkCachePrivate; |
109 | class Q_NETWORK_EXPORT QAbstractNetworkCache : public QObject |
110 | { |
111 | Q_OBJECT |
112 | |
113 | public: |
114 | virtual ~QAbstractNetworkCache(); |
115 | |
116 | virtual QNetworkCacheMetaData metaData(const QUrl &url) = 0; |
117 | virtual void updateMetaData(const QNetworkCacheMetaData &metaData) = 0; |
118 | virtual QIODevice *data(const QUrl &url) = 0; |
119 | virtual bool remove(const QUrl &url) = 0; |
120 | virtual qint64 cacheSize() const = 0; |
121 | |
122 | virtual QIODevice *prepare(const QNetworkCacheMetaData &metaData) = 0; |
123 | virtual void insert(QIODevice *device) = 0; |
124 | |
125 | public Q_SLOTS: |
126 | virtual void clear() = 0; |
127 | |
128 | protected: |
129 | explicit QAbstractNetworkCache(QObject *parent = 0); |
130 | QAbstractNetworkCache(QAbstractNetworkCachePrivate &dd, QObject *parent); |
131 | |
132 | private: |
133 | Q_DECLARE_PRIVATE(QAbstractNetworkCache) |
134 | Q_DISABLE_COPY(QAbstractNetworkCache) |
135 | }; |
136 | |
137 | QT_END_NAMESPACE |
138 | |
139 | QT_END_HEADER |
140 | |
141 | #endif |
142 | |