1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 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 QGEOFILETILECACHEOSM_H 38 #define QGEOFILETILECACHEOSM_H 39 40 #include "qgeotileproviderosm.h" 41 #include <QtLocation/private/qgeofiletilecache_p.h> 42 #include <QHash> 43 #include <QtConcurrent> 44 #include <qatomic.h> 45 46 QT_BEGIN_NAMESPACE 47 48 class QGeoFileTileCacheOsm : public QGeoFileTileCache 49 { 50 Q_OBJECT 51 public: 52 QGeoFileTileCacheOsm(const QVector<QGeoTileProviderOsm *> &providers, 53 const QString &offlineDirectory = QString(), 54 const QString &directory = QString(), 55 QObject *parent = 0); 56 ~QGeoFileTileCacheOsm(); 57 58 QSharedPointer<QGeoTileTexture> get(const QGeoTileSpec &spec) override; 59 60 Q_SIGNALS: 61 void mapDataUpdated(int mapId); 62 63 protected Q_SLOTS: 64 void onProviderResolutionFinished(const QGeoTileProviderOsm *provider); 65 void onProviderResolutionError(const QGeoTileProviderOsm *provider, QNetworkReply::NetworkError error); 66 67 protected: 68 void init() override; 69 inline QString tileSpecToFilename(const QGeoTileSpec &spec, const QString &format, int providerId) const; 70 QString tileSpecToFilename(const QGeoTileSpec &spec, const QString &format, const QString &directory) const override; 71 QGeoTileSpec filenameToTileSpec(const QString &filename) const override; 72 QSharedPointer<QGeoTileTexture> getFromOfflineStorage(const QGeoTileSpec &spec); 73 void dropTiles(int mapId); 74 void loadTiles(int mapId); 75 76 void clearObsoleteTiles(const QGeoTileProviderOsm *p); 77 78 QDir m_offlineDirectory; 79 bool m_offlineData; 80 QVector<QGeoTileProviderOsm *> m_providers; 81 QVector<bool> m_highDpi; 82 QVector<QDateTime> m_maxMapIdTimestamps; 83 }; 84 85 QT_END_NAMESPACE 86 87 #endif // QGEOFILETILECACHEOSM_H 88