1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2015 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtLocation module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL3$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPLv3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or later as published by the Free 28 ** Software Foundation and appearing in the file LICENSE.GPL included in 29 ** the packaging of this file. Please review the following information to 30 ** ensure the GNU General Public License version 2.0 requirements will be 31 ** met: http://www.gnu.org/licenses/gpl-2.0.html. 32 ** 33 ** $QT_END_LICENSE$ 34 ** 35 ****************************************************************************/ 36 37 #ifndef QGEOTILEDMAPPINGMANAGERENGINE_H 38 #define QGEOTILEDMAPPINGMANAGERENGINE_H 39 40 // 41 // W A R N I N G 42 // ------------- 43 // 44 // This file is not part of the Qt API. It exists purely as an 45 // implementation detail. This header file may change from version to 46 // version without notice, or even be removed. 47 // 48 // We mean it. 49 // 50 51 #include <QObject> 52 #include <QSize> 53 #include <QPair> 54 #include <QtLocation/private/qlocationglobal_p.h> 55 #include <QtLocation/private/qabstractgeotilecache_p.h> 56 #include <QtLocation/private/qgeomaptype_p.h> 57 #include <QtLocation/private/qgeomappingmanagerengine_p.h> 58 #include <QtLocation/private/qgeotiledmap_p.h> 59 60 61 QT_BEGIN_NAMESPACE 62 63 class QGeoTiledMappingManagerEnginePrivate; 64 class QGeoTileFetcher; 65 class QGeoTileTexture; 66 class QGeoTileSpec; 67 class QGeoTiledMap; 68 69 class Q_LOCATION_PRIVATE_EXPORT QGeoTiledMappingManagerEngine : public QGeoMappingManagerEngine 70 { 71 Q_OBJECT 72 73 public: 74 explicit QGeoTiledMappingManagerEngine(QObject *parent = 0); 75 virtual ~QGeoTiledMappingManagerEngine(); 76 77 QGeoTileFetcher *tileFetcher(); 78 79 QGeoMap *createMap() override; 80 void releaseMap(QGeoTiledMap *map); 81 82 QSize tileSize() const; 83 int tileVersion() const; 84 85 virtual void updateTileRequests(QGeoTiledMap *map, 86 const QSet<QGeoTileSpec> &tilesAdded, 87 const QSet<QGeoTileSpec> &tilesRemoved); 88 89 QAbstractGeoTileCache *tileCache(); 90 virtual QSharedPointer<QGeoTileTexture> getTileTexture(const QGeoTileSpec &spec); 91 92 QAbstractGeoTileCache::CacheAreas cacheHint() const; 93 94 protected Q_SLOTS: 95 virtual void engineTileFinished(const QGeoTileSpec &spec, const QByteArray &bytes, const QString &format); 96 virtual void engineTileError(const QGeoTileSpec &spec, const QString &errorString); 97 98 Q_SIGNALS: 99 void tileError(const QGeoTileSpec &spec, const QString &errorString); 100 void tileVersionChanged(); 101 102 protected: 103 void setTileFetcher(QGeoTileFetcher *fetcher); 104 void setTileSize(const QSize &tileSize); 105 void setTileVersion(int version); 106 void setCacheHint(QAbstractGeoTileCache::CacheAreas cacheHint); 107 void setTileCache(QAbstractGeoTileCache *cache); 108 109 QGeoTiledMap::PrefetchStyle m_prefetchStyle; 110 QGeoTiledMappingManagerEnginePrivate *d_ptr; 111 112 Q_DECLARE_PRIVATE(QGeoTiledMappingManagerEngine) 113 Q_DISABLE_COPY(QGeoTiledMappingManagerEngine) 114 115 friend class QGeoTileFetcher; 116 }; 117 118 QT_END_NAMESPACE 119 120 #endif 121