diff options
Diffstat (limited to 'src/plugins/geoservices/osm/qgeotileproviderosm.h')
| -rw-r--r-- | src/plugins/geoservices/osm/qgeotileproviderosm.h | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/src/plugins/geoservices/osm/qgeotileproviderosm.h b/src/plugins/geoservices/osm/qgeotileproviderosm.h new file mode 100644 index 00000000..cdff7997 --- /dev/null +++ b/src/plugins/geoservices/osm/qgeotileproviderosm.h @@ -0,0 +1,256 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtLocation module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QTILEPROVIDEROSM_H +#define QTILEPROVIDEROSM_H + +#include <QtLocation/private/qgeomaptype_p.h> + +#include <QtCore/QUrl> +#include <QtNetwork/QNetworkAccessManager> +#include <QtNetwork/QNetworkReply> +#include <QtCore/QPointer> +#include <QTimer> +#include <algorithm> + +QT_BEGIN_NAMESPACE + +class QGeoTileProviderOsm: public QObject +{ + Q_OBJECT + + friend class QGeoTileFetcherOsm; + friend class QGeoMapReplyOsm; + friend class QGeoTiledMappingManagerEngineOsm; +public: + struct TileProvider { + + static inline void sort2(int &a, int &b) + { + if (a > b) { + int temp=a; + a=b; + b=temp; + } + } + + TileProvider() : m_valid(false) + { + + } + + TileProvider(const QString &urlTemplate, + const QString &format, + const QString ©RightMap, + const QString ©RightData, + int minimumZoomLevel = 0, + int maximumZoomLevel = 19) : m_valid(false) + { + if (urlTemplate.isEmpty()) + return; + m_urlTemplate = urlTemplate; + + if (format.isEmpty()) + return; + m_format = format; + + m_copyRightMap = copyRightMap; + m_copyRightData = copyRightData; + + if (minimumZoomLevel < 0 || minimumZoomLevel > 30) + return; + m_minimumZoomLevel = minimumZoomLevel; + + if (maximumZoomLevel < 0 || maximumZoomLevel > 30 || maximumZoomLevel < minimumZoomLevel) + return; + m_maximumZoomLevel = maximumZoomLevel; + + // Currently supporting only %x, %y and &z + int offset[3]; + offset[0] = m_urlTemplate.indexOf(QLatin1String("%x")); + if (offset[0] < 0) + return; + + offset[1] = m_urlTemplate.indexOf(QLatin1String("%y")); + if (offset[1] < 0) + return; + + offset[2] = m_urlTemplate.indexOf(QLatin1String("%z")); + if (offset[2] < 0) + return; + + int sortedOffsets[3]; + std::copy(offset, offset + 4, sortedOffsets); + sort2(sortedOffsets[0] ,sortedOffsets[1]); + sort2(sortedOffsets[1] ,sortedOffsets[2]); + sort2(sortedOffsets[0] ,sortedOffsets[1]); + + int min = sortedOffsets[0]; + int max = sortedOffsets[2]; + int mid = sortedOffsets[1]; + + // Initing LUT + for (int i=0; i<3; i++) { + if (offset[0] == sortedOffsets[i]) + paramsLUT[i] = 0; + else if (offset[1] == sortedOffsets[i]) + paramsLUT[i] = 1; + else + paramsLUT[i] = 2; + } + + m_urlPrefix = m_urlTemplate.mid(0 , min); + m_urlSuffix = m_urlTemplate.mid(max + 2, m_urlTemplate.size() - max - 2); + + paramsSep[0] = m_urlTemplate.mid(min + 2, mid - min - 2); + paramsSep[1] = m_urlTemplate.mid(mid + 2, max - mid - 2); + m_valid = true; + } + + ~TileProvider() + { + } + + inline bool isValid() const + { + return m_valid; + } + + inline QString mapCopyRight() const + { + return m_copyRightMap; + } + + inline QString dataCopyRight() const + { + return m_copyRightData; + } + + inline QString styleCopyRight() const + { + return m_copyRightStyle; + } + + inline QString format() const + { + return m_format; + } + + // Optional properties, not needed to construct a provider + void setStyleCopyRight(const QString ©right) + { + m_copyRightStyle = copyright; + } + + QUrl tileAddress(int x, int y, int z) const + { + if (z < m_minimumZoomLevel || z > m_maximumZoomLevel) + return QUrl(); + int params[3] = { x, y, z}; + QString url; + url += m_urlPrefix; + url += QString::number(params[paramsLUT[0]]); + url += paramsSep[0]; + url += QString::number(params[paramsLUT[1]]); + url += paramsSep[1]; + url += QString::number(params[paramsLUT[2]]); + url += m_urlSuffix; + return QUrl(url); + } + + bool m_valid; + QString m_urlTemplate; + QString m_format; + QString m_copyRightMap; + QString m_copyRightData; + QString m_copyRightStyle; + QString m_urlPrefix; + QString m_urlSuffix; + int m_minimumZoomLevel; + int m_maximumZoomLevel; + + int paramsLUT[3]; //Lookup table to handle possibly shuffled x,y,z + QString paramsSep[2]; // what goes in between %x, %y and %z + }; + + enum Status {Idle, + Resolving, + Valid, + Invalid }; + + QGeoTileProviderOsm(const QString &urlRedir, + QNetworkAccessManager *nm, + const QGeoMapType &mapType, + const TileProvider &providerFallback); + + ~QGeoTileProviderOsm(); + + + + QUrl tileAddress(int x, int y, int z) const; + QString mapCopyRight() const; + QString dataCopyRight() const; + QString styleCopyRight() const; + QString format() const; + const QGeoMapType &mapType() const; + bool isValid() const; + bool isResolved() const; + +Q_SIGNALS: + void resolutionFinished(const QGeoTileProviderOsm *provider); + void resolutionError(const QGeoTileProviderOsm *provider, QNetworkReply::NetworkError error); + +public Q_SLOTS: + void onNetworkReplyFinished(); + void onNetworkReplyError(QNetworkReply::NetworkError error); + void resolveProvider(); + +protected: + void disableRedirection(); + void handleError(QNetworkReply::NetworkError error); + + QNetworkAccessManager *m_nm; + QUrl m_urlRedirector; // The URL from where to fetch the URL template + TileProvider m_provider; + TileProvider m_providerFallback; + QGeoMapType m_mapType; + Status m_status; + QTimer m_retryTimer; +}; + +QT_END_NAMESPACE + +#endif // QTILEPROVIDEROSM_H |