| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 Aaron McCarthy <mccarthy.aaron@gmail.com> |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtLocation module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
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| ** 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.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
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| ** will be met: https://www.gnu.org/licenses/lgpl-3.0.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 (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
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| ****************************************************************************/ |
| |
| #include "qgeotiledmaposm.h" |
| #include "qgeotiledmappingmanagerengineosm.h" |
| #include "qgeotilefetcherosm.h" |
| |
| #include <QtLocation/private/qgeotilespec_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| QGeoTiledMapOsm::QGeoTiledMapOsm(QGeoTiledMappingManagerEngineOsm *engine, QObject *parent) |
| : Map(engine, parent), m_mapId(-1), m_engine(engine) |
| { |
| // Needed because evaluateCopyrights() is only triggered if visible tiles change in the map. |
| // It fails the first time it gets called if providers aren't resolved, and subsequent calls |
| // to it will be skipped until visible tiles change. |
| // This connection makes sure the copyrights are evaluated when copyright data are ready regardless |
| // of what tiles are visible. |
| connect(qobject_cast<QGeoTileFetcherOsm *>(engine->tileFetcher()), &QGeoTileFetcherOsm::providerDataUpdated, |
| this, &QGeoTiledMapOsm::onProviderDataUpdated); |
| } |
| |
| QGeoTiledMapOsm::~QGeoTiledMapOsm() |
| { |
| } |
| |
| void QGeoTiledMapOsm::evaluateCopyrights(const QSet<QGeoTileSpec> &visibleTiles) |
| { |
| if (visibleTiles.isEmpty()) |
| return; |
| |
| QGeoTileSpec tile = *visibleTiles.constBegin(); |
| if (tile.mapId() == m_mapId) |
| return; |
| |
| int providerId = tile.mapId() - 1; |
| if (providerId < 0 || providerId >= m_engine->providers().size()) |
| return; |
| |
| m_mapId = tile.mapId(); |
| if (!m_engine->providers().at(providerId)->isValid()) |
| return; |
| |
| onProviderDataUpdated(m_engine->providers().at(providerId)); |
| } |
| |
| void QGeoTiledMapOsm::onProviderDataUpdated(const QGeoTileProviderOsm *provider) |
| { |
| if (!provider->isResolved() || provider->mapType().mapId() != m_mapId) |
| return; |
| QString copyRights; |
| const QString mapCopy = provider->mapCopyRight(); |
| const QString dataCopy = provider->dataCopyRight(); |
| const QString styleCopy = provider->styleCopyRight(); |
| if (!mapCopy.isEmpty()) { |
| copyRights += QStringLiteral("Map © "); |
| copyRights += mapCopy; |
| } |
| if (!dataCopy.isEmpty()) { |
| if (!copyRights.isEmpty()) |
| copyRights += QStringLiteral(" | "); |
| copyRights += QStringLiteral("Data © "); |
| copyRights += dataCopy; |
| } |
| if (!styleCopy.isEmpty()) { |
| if (!copyRights.isEmpty()) |
| copyRights += QStringLiteral(" | "); |
| copyRights += QStringLiteral("Style © "); |
| copyRights += styleCopy; |
| } |
| |
| if (copyRights.isEmpty() && provider->mapType().style() == QGeoMapType::CustomMap) |
| copyRights = m_engine->customCopyright(); |
| |
| // Update CameraCapabilities |
| setCameraCapabilities(provider->cameraCapabilities()); |
| |
| emit copyrightsChanged(copyRights); |
| } |
| |
| QT_END_NAMESPACE |