1 | /**************************************************************************** |
2 | ** |
3 | ** Copyright (C) 2016 Aaron McCarthy <mccarthy.aaron@gmail.com> |
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6 | ** This file is part of the QtLocation module of the Qt Toolkit. |
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39 | |
40 | #include "qgeotiledmaposm.h" |
41 | #include "qgeotiledmappingmanagerengineosm.h" |
42 | #include "qgeotilefetcherosm.h" |
43 | |
44 | #include <QtLocation/private/qgeotilespec_p.h> |
45 | |
46 | QT_BEGIN_NAMESPACE |
47 | |
48 | QGeoTiledMapOsm::QGeoTiledMapOsm(QGeoTiledMappingManagerEngineOsm *engine, QObject *parent) |
49 | : Map(engine, parent), m_mapId(-1), m_engine(engine) |
50 | { |
51 | // Needed because evaluateCopyrights() is only triggered if visible tiles change in the map. |
52 | // It fails the first time it gets called if providers aren't resolved, and subsequent calls |
53 | // to it will be skipped until visible tiles change. |
54 | // This connection makes sure the copyrights are evaluated when copyright data are ready regardless |
55 | // of what tiles are visible. |
56 | connect(sender: qobject_cast<QGeoTileFetcherOsm *>(object: engine->tileFetcher()), signal: &QGeoTileFetcherOsm::providerDataUpdated, |
57 | receiver: this, slot: &QGeoTiledMapOsm::onProviderDataUpdated); |
58 | } |
59 | |
60 | QGeoTiledMapOsm::~QGeoTiledMapOsm() |
61 | { |
62 | } |
63 | |
64 | void QGeoTiledMapOsm::evaluateCopyrights(const QSet<QGeoTileSpec> &visibleTiles) |
65 | { |
66 | if (visibleTiles.isEmpty()) |
67 | return; |
68 | |
69 | QGeoTileSpec tile = *visibleTiles.constBegin(); |
70 | if (tile.mapId() == m_mapId) |
71 | return; |
72 | |
73 | int providerId = tile.mapId() - 1; |
74 | if (providerId < 0 || providerId >= m_engine->providers().size()) |
75 | return; |
76 | |
77 | m_mapId = tile.mapId(); |
78 | if (!m_engine->providers().at(i: providerId)->isValid()) |
79 | return; |
80 | |
81 | onProviderDataUpdated(provider: m_engine->providers().at(i: providerId)); |
82 | } |
83 | |
84 | void QGeoTiledMapOsm::onProviderDataUpdated(const QGeoTileProviderOsm *provider) |
85 | { |
86 | if (!provider->isResolved() || provider->mapType().mapId() != m_mapId) |
87 | return; |
88 | QString copyRights; |
89 | const QString mapCopy = provider->mapCopyRight(); |
90 | const QString dataCopy = provider->dataCopyRight(); |
91 | const QString styleCopy = provider->styleCopyRight(); |
92 | if (!mapCopy.isEmpty()) { |
93 | copyRights += QStringLiteral("Map © " ); |
94 | copyRights += mapCopy; |
95 | } |
96 | if (!dataCopy.isEmpty()) { |
97 | if (!copyRights.isEmpty()) |
98 | copyRights += QStringLiteral(" | " ); |
99 | copyRights += QStringLiteral("Data © " ); |
100 | copyRights += dataCopy; |
101 | } |
102 | if (!styleCopy.isEmpty()) { |
103 | if (!copyRights.isEmpty()) |
104 | copyRights += QStringLiteral(" | " ); |
105 | copyRights += QStringLiteral("Style © " ); |
106 | copyRights += styleCopy; |
107 | } |
108 | |
109 | if (copyRights.isEmpty() && provider->mapType().style() == QGeoMapType::CustomMap) |
110 | copyRights = m_engine->customCopyright(); |
111 | |
112 | // Update CameraCapabilities |
113 | setCameraCapabilities(provider->cameraCapabilities()); |
114 | |
115 | emit copyrightsChanged(copyrightsHtml: copyRights); |
116 | } |
117 | |
118 | QT_END_NAMESPACE |
119 | |