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| |
| #ifndef QGEOTILEFETCHER_H |
| #define QGEOTILEFETCHER_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 <QObject> |
| #include <QtLocation/private/qlocationglobal_p.h> |
| #include "qgeomaptype_p.h" |
| #include "qgeotiledmappingmanagerengine_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QGeoMapRequestOptions; |
| |
| class QGeoTileFetcherPrivate; |
| class QGeoTiledMappingManagerEngine; |
| class QGeoTiledMapReply; |
| class QGeoTileSpec; |
| |
| class Q_LOCATION_PRIVATE_EXPORT QGeoTileFetcher : public QObject |
| { |
| Q_OBJECT |
| Q_DECLARE_PRIVATE(QGeoTileFetcher) |
| |
| public: |
| QGeoTileFetcher(QGeoMappingManagerEngine *parent); |
| virtual ~QGeoTileFetcher(); |
| |
| public Q_SLOTS: |
| void updateTileRequests(const QSet<QGeoTileSpec> &tilesAdded, const QSet<QGeoTileSpec> &tilesRemoved); |
| |
| private Q_SLOTS: |
| void cancelTileRequests(const QSet<QGeoTileSpec> &tiles); |
| void requestNextTile(); |
| void finished(); |
| |
| Q_SIGNALS: |
| void tileFinished(const QGeoTileSpec &spec, const QByteArray &bytes, const QString &format); |
| void tileError(const QGeoTileSpec &spec, const QString &errorString); |
| |
| protected: |
| QGeoTileFetcher(QGeoTileFetcherPrivate &dd, QGeoMappingManagerEngine *parent); |
| |
| void timerEvent(QTimerEvent *event); |
| QAbstractGeoTileCache::CacheAreas cacheHint() const; |
| virtual bool initialized() const; |
| virtual bool fetchingEnabled() const; |
| |
| private: |
| |
| virtual QGeoTiledMapReply *getTileImage(const QGeoTileSpec &spec) = 0; |
| virtual void handleReply(QGeoTiledMapReply *reply, const QGeoTileSpec &spec); |
| |
| Q_DISABLE_COPY(QGeoTileFetcher) |
| friend class QGeoTiledMappingManagerEngine; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif |