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36 | #ifndef QABSTRACTGEOTILECACHE_P_H |
37 | #define QABSTRACTGEOTILECACHE_P_H |
38 | |
39 | // |
40 | // W A R N I N G |
41 | // ------------- |
42 | // |
43 | // This file is not part of the Qt API. It exists purely as an |
44 | // implementation detail. This header file may change from version to |
45 | // version without notice, or even be removed. |
46 | // |
47 | // We mean it. |
48 | // |
49 | |
50 | #include <QtLocation/private/qlocationglobal_p.h> |
51 | |
52 | #include <QObject> |
53 | #include <QCache> |
54 | #include "qcache3q_p.h" |
55 | #include <QSet> |
56 | #include <QMutex> |
57 | #include <QTimer> |
58 | |
59 | #include "qgeotilespec_p.h" |
60 | |
61 | #include <QImage> |
62 | |
63 | QT_BEGIN_NAMESPACE |
64 | |
65 | class QGeoMappingManager; |
66 | class QGeoMappingManagerEngine; |
67 | |
68 | class QGeoTile; |
69 | class QAbstractGeoTileCache; |
70 | |
71 | class QThread; |
72 | |
73 | /* This is also used in the mapgeometry */ |
74 | class Q_LOCATION_PRIVATE_EXPORT QGeoTileTexture |
75 | { |
76 | public: |
77 | |
78 | QGeoTileTexture(); |
79 | ~QGeoTileTexture(); |
80 | |
81 | QGeoTileSpec spec; |
82 | QImage image; |
83 | bool textureBound; |
84 | }; |
85 | |
86 | class Q_LOCATION_PRIVATE_EXPORT QAbstractGeoTileCache : public QObject |
87 | { |
88 | Q_OBJECT |
89 | public: |
90 | enum CostStrategy { |
91 | Unitary, |
92 | ByteSize |
93 | }; |
94 | |
95 | enum CacheArea { |
96 | DiskCache = 0x01, |
97 | MemoryCache = 0x02, |
98 | AllCaches = 0xFF |
99 | }; |
100 | Q_DECLARE_FLAGS(CacheAreas, CacheArea) |
101 | |
102 | virtual ~QAbstractGeoTileCache(); |
103 | |
104 | virtual void setMaxDiskUsage(int diskUsage); |
105 | virtual int maxDiskUsage() const; |
106 | virtual int diskUsage() const; |
107 | |
108 | virtual void setMaxMemoryUsage(int memoryUsage); |
109 | virtual int maxMemoryUsage() const; |
110 | virtual int memoryUsage() const; |
111 | |
112 | virtual void setMinTextureUsage(int textureUsage) = 0; |
113 | virtual void (int textureUsage) = 0; |
114 | virtual int maxTextureUsage() const = 0; |
115 | virtual int minTextureUsage() const = 0; |
116 | virtual int textureUsage() const = 0; |
117 | virtual void clearAll() = 0; |
118 | virtual void setCostStrategyDisk(CostStrategy costStrategy) = 0; |
119 | virtual CostStrategy costStrategyDisk() const = 0; |
120 | virtual void setCostStrategyMemory(CostStrategy costStrategy) = 0; |
121 | virtual CostStrategy costStrategyMemory() const = 0; |
122 | virtual void setCostStrategyTexture(CostStrategy costStrategy) = 0; |
123 | virtual CostStrategy costStrategyTexture() const = 0; |
124 | |
125 | virtual QSharedPointer<QGeoTileTexture> get(const QGeoTileSpec &spec) = 0; |
126 | |
127 | virtual void insert(const QGeoTileSpec &spec, |
128 | const QByteArray &bytes, |
129 | const QString &format, |
130 | QAbstractGeoTileCache::CacheAreas areas = QAbstractGeoTileCache::AllCaches) = 0; |
131 | virtual void handleError(const QGeoTileSpec &spec, const QString &errorString); |
132 | virtual void init() = 0; |
133 | |
134 | static QString baseCacheDirectory(); |
135 | static QString baseLocationCacheDirectory(); |
136 | |
137 | protected: |
138 | QAbstractGeoTileCache(QObject *parent = 0); |
139 | virtual void printStats() = 0; |
140 | |
141 | friend class QGeoTiledMappingManagerEngine; |
142 | }; |
143 | |
144 | Q_DECLARE_OPERATORS_FOR_FLAGS(QAbstractGeoTileCache::CacheAreas) |
145 | |
146 | QT_END_NAMESPACE |
147 | |
148 | #endif // QABSTRACTGEOTILECACHE_P_H |
149 | |