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| #ifndef QGEOFILETILECACHE_P_H |
| #define QGEOFILETILECACHE_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QtLocation/private/qlocationglobal_p.h> |
| |
| #include <QObject> |
| #include <QCache> |
| #include "qcache3q_p.h" |
| #include <QSet> |
| #include <QMutex> |
| #include <QTimer> |
| |
| #include "qgeotilespec_p.h" |
| #include "qgeotiledmappingmanagerengine_p.h" |
| #include "qabstractgeotilecache_p.h" |
| |
| #include <QImage> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QGeoMappingManager; |
| |
| class QGeoTile; |
| class QGeoCachedTileMemory; |
| class QGeoFileTileCache; |
| |
| class QPixmap; |
| class QThread; |
| |
| /* This would be internal to qgeofiletilecache.cpp except that the eviction |
| * policy can't be defined without it being concrete here */ |
| class QGeoCachedTileDisk |
| { |
| public: |
| ~QGeoCachedTileDisk(); |
| |
| QGeoTileSpec spec; |
| QString filename; |
| QString format; |
| QGeoFileTileCache *cache; |
| }; |
| |
| /* Custom eviction policy for the disk cache, to avoid deleting all the files |
| * when the application closes */ |
| class Q_LOCATION_PRIVATE_EXPORT QCache3QTileEvictionPolicy : public QCache3QDefaultEvictionPolicy<QGeoTileSpec,QGeoCachedTileDisk> |
| { |
| protected: |
| void aboutToBeRemoved(const QGeoTileSpec &key, QSharedPointer<QGeoCachedTileDisk> obj); |
| void aboutToBeEvicted(const QGeoTileSpec &key, QSharedPointer<QGeoCachedTileDisk> obj); |
| }; |
| |
| class Q_LOCATION_PRIVATE_EXPORT QGeoFileTileCache : public QAbstractGeoTileCache |
| { |
| Q_OBJECT |
| public: |
| QGeoFileTileCache(const QString &directory = QString(), QObject *parent = 0); |
| ~QGeoFileTileCache(); |
| |
| void setMaxDiskUsage(int diskUsage) override; |
| int maxDiskUsage() const override; |
| int diskUsage() const override; |
| |
| void setMaxMemoryUsage(int memoryUsage) override; |
| int maxMemoryUsage() const override; |
| int memoryUsage() const override; |
| |
| void setMinTextureUsage(int textureUsage) override; |
| void setExtraTextureUsage(int textureUsage) override; |
| int maxTextureUsage() const override; |
| int minTextureUsage() const override; |
| int textureUsage() const override; |
| void clearAll() override; |
| void clearMapId(const int mapId); |
| void setCostStrategyDisk(CostStrategy costStrategy) override; |
| CostStrategy costStrategyDisk() const override; |
| void setCostStrategyMemory(CostStrategy costStrategy) override; |
| CostStrategy costStrategyMemory() const override; |
| void setCostStrategyTexture(CostStrategy costStrategy) override; |
| CostStrategy costStrategyTexture() const override; |
| |
| |
| QSharedPointer<QGeoTileTexture> get(const QGeoTileSpec &spec) override; |
| |
| // can be called without a specific tileCache pointer |
| static void evictFromDiskCache(QGeoCachedTileDisk *td); |
| static void evictFromMemoryCache(QGeoCachedTileMemory *tm); |
| |
| void insert(const QGeoTileSpec &spec, |
| const QByteArray &bytes, |
| const QString &format, |
| QAbstractGeoTileCache::CacheAreas areas = QAbstractGeoTileCache::AllCaches) override; |
| |
| static QString tileSpecToFilenameDefault(const QGeoTileSpec &spec, const QString &format, const QString &directory); |
| static QGeoTileSpec filenameToTileSpecDefault(const QString &filename); |
| |
| protected: |
| void init() override; |
| void printStats() override; |
| void loadTiles(); |
| |
| QString directory() const; |
| |
| QSharedPointer<QGeoCachedTileDisk> addToDiskCache(const QGeoTileSpec &spec, const QString &filename); |
| bool addToDiskCache(const QGeoTileSpec &spec, const QString &filename, const QByteArray &bytes); |
| void addToMemoryCache(const QGeoTileSpec &spec, const QByteArray &bytes, const QString &format); |
| QSharedPointer<QGeoTileTexture> addToTextureCache(const QGeoTileSpec &spec, const QImage &image); |
| QSharedPointer<QGeoTileTexture> getFromMemory(const QGeoTileSpec &spec); |
| QSharedPointer<QGeoTileTexture> getFromDisk(const QGeoTileSpec &spec); |
| |
| virtual bool isTileBogus(const QByteArray &bytes) const; |
| virtual QString tileSpecToFilename(const QGeoTileSpec &spec, const QString &format, const QString &directory) const; |
| virtual QGeoTileSpec filenameToTileSpec(const QString &filename) const; |
| |
| QCache3Q<QGeoTileSpec, QGeoCachedTileDisk, QCache3QTileEvictionPolicy > diskCache_; |
| QCache3Q<QGeoTileSpec, QGeoCachedTileMemory > memoryCache_; |
| QCache3Q<QGeoTileSpec, QGeoTileTexture > textureCache_; |
| |
| QString directory_; |
| |
| int minTextureUsage_; |
| int extraTextureUsage_; |
| CostStrategy costStrategyDisk_; |
| CostStrategy costStrategyMemory_; |
| CostStrategy costStrategyTexture_; |
| bool isDiskCostSet_; |
| bool isMemoryCostSet_; |
| bool isTextureCostSet_; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QGEOFILETILECACHE_P_H |