Mapbox GL plugin for QtLocation

Add Mapbox GL as a plugin for rendering vector tiles
using OpenGL.

Patch by:
- Bruno de Oliveira Abinader <bruno@mapbox.com>
- Thiago Marcos P. Santos <thiago@mapbox.com>

Change-Id: I1671ae4dba0891e280a327543f15e73de1df385d
Reviewed-by: Paolo Angelelli <paolo.angelelli@qt.io>

1 files changed, 151 insertions, 0 deletions

diff --git a/src/plugins/geoservices/mapboxgl/qgeomappingmanagerenginemapboxgl.cpp b/src/plugins/geoservices/mapboxgl/qgeomappingmanagerenginemapboxgl.cpp
new file mode 100644
index 00000000..04a800aa
--- /dev/null
+++ b/src/plugins/geoservices/mapboxgl/qgeomappingmanagerenginemapboxgl.cpp
@@ -0,0 +1,151 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Copyright (C) 2017 Mapbox, Inc.
+** 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qgeomappingmanagerenginemapboxgl.h"
+#include "qgeomapmapboxgl.h"
+
+#include <QtCore/qstandardpaths.h>
+#include <QtLocation/private/qabstractgeotilecache_p.h>
+#include <QtLocation/private/qgeocameracapabilities_p.h>
+#include <QtLocation/private/qgeomaptype_p.h>
+
+#include <QDir>
+
+QT_BEGIN_NAMESPACE
+
+QGeoMappingManagerEngineMapboxGL::QGeoMappingManagerEngineMapboxGL(const QVariantMap &parameters, QGeoServiceProvider::Error *error, QString *errorString)
+:   QGeoMappingManagerEngine()
+{
+    *error = QGeoServiceProvider::NoError;
+    errorString->clear();
+
+    QGeoCameraCapabilities cameraCaps;
+    cameraCaps.setMinimumZoomLevel(0.0);
+    cameraCaps.setMaximumZoomLevel(20.0);
+    cameraCaps.setTileSize(512);
+    cameraCaps.setSupportsBearing(true);
+    cameraCaps.setSupportsTilting(true);
+    cameraCaps.setMinimumTilt(0);
+    cameraCaps.setMaximumTilt(60);
+    cameraCaps.setMinimumFieldOfView(36.87);
+    cameraCaps.setMaximumFieldOfView(36.87);
+    setCameraCapabilities(cameraCaps);
+
+    QList<QGeoMapType> mapTypes;
+    int mapId = 0;
+
+    mapTypes << QGeoMapType(QGeoMapType::StreetMap, QStringLiteral("mapbox://styles/mapbox/streets-v9"),
+            tr("Streets"), false, false, ++mapId);
+    mapTypes << QGeoMapType(QGeoMapType::StreetMap, QStringLiteral("mapbox://styles/mapbox/basic-v9"),
+            tr("Basic"), false, false, ++mapId);
+    mapTypes << QGeoMapType(QGeoMapType::StreetMap, QStringLiteral("mapbox://styles/mapbox/bright-v9"),
+            tr("Bright"), false, false, ++mapId);
+    mapTypes << QGeoMapType(QGeoMapType::TerrainMap, QStringLiteral("mapbox://styles/mapbox/outdoors-v9"),
+            tr("Outdoors"), false, false, ++mapId);
+    mapTypes << QGeoMapType(QGeoMapType::SatelliteMapDay, QStringLiteral("mapbox://styles/mapbox/satellite-v9"),
+            tr("Satellite"), false, false, ++mapId);
+    mapTypes << QGeoMapType(QGeoMapType::HybridMap, QStringLiteral("mapbox://styles/mapbox/satellite-streets-v9"),
+            tr("Satellite Streets"), false, false, ++mapId);
+    mapTypes << QGeoMapType(QGeoMapType::GrayStreetMap, QStringLiteral("mapbox://styles/mapbox/light-v9"),
+            tr("Light"), false, false, ++mapId);
+    mapTypes << QGeoMapType(QGeoMapType::GrayStreetMap, QStringLiteral("mapbox://styles/mapbox/dark-v9"),
+            tr("Dark"), false, false, ++mapId);
+    mapTypes << QGeoMapType(QGeoMapType::TransitMap, QStringLiteral("mapbox://styles/mapbox/traffic-day-v1"),
+            tr("Streets Traffic Day"), false, false, ++mapId);
+    mapTypes << QGeoMapType(QGeoMapType::TransitMap, QStringLiteral("mapbox://styles/mapbox/traffic-night-v1"),
+            tr("Streets Traffic Night"), false, true, ++mapId);
+
+    if (parameters.contains(QStringLiteral("mapboxgl.mapping.additional_style_urls"))) {
+        const QString ids = parameters.value(QStringLiteral("mapboxgl.mapping.additional_style_urls")).toString();
+        const QStringList idList = ids.split(',', QString::SkipEmptyParts);
+
+        for (auto it = idList.crbegin(), end = idList.crend(); it != end; ++it) {
+            if ((*it).isEmpty())
+                continue;
+
+            mapTypes.prepend(QGeoMapType(QGeoMapType::CustomMap, *it,
+                    tr("User provided style"), false, false, ++mapId));
+        }
+    }
+
+    setSupportedMapTypes(mapTypes);
+
+    if (parameters.contains(QStringLiteral("mapboxgl.access_token"))) {
+        m_settings.setAccessToken(parameters.value(QStringLiteral("mapboxgl.access_token")).toString());
+    }
+
+    bool memoryCache = false;
+    if (parameters.contains(QStringLiteral("mapboxgl.mapping.cache.memory"))) {
+        memoryCache = parameters.value(QStringLiteral("mapboxgl.mapping.cache.memory")).toBool();
+        m_settings.setCacheDatabasePath(QStringLiteral(":memory:"));
+    }
+
+    QString cacheDirectory;
+    if (parameters.contains(QStringLiteral("mapboxgl.mapping.cache.directory"))) {
+        cacheDirectory = parameters.value(QStringLiteral("mapboxgl.mapping.cache.directory")).toString();
+    } else {
+        cacheDirectory = QAbstractGeoTileCache::baseLocationCacheDirectory() + QStringLiteral("mapboxgl/");
+    }
+
+    if (!memoryCache && QDir::root().mkpath(cacheDirectory)) {
+        m_settings.setCacheDatabasePath(cacheDirectory + "/mapboxgl.db");
+    }
+
+    if (parameters.contains(QStringLiteral("mapboxgl.mapping.cache.size"))) {
+        bool ok = false;
+        int cacheSize = parameters.value(QStringLiteral("mapboxgl.mapping.cache.size")).toString().toInt(&ok);
+
+        if (ok)
+            m_settings.setCacheDatabaseMaximumSize(cacheSize);
+    }
+
+    engineInitialized();
+}
+
+QGeoMappingManagerEngineMapboxGL::~QGeoMappingManagerEngineMapboxGL()
+{
+}
+
+QGeoMap *QGeoMappingManagerEngineMapboxGL::createMap()
+{
+    QGeoMapMapboxGL* map = new QGeoMapMapboxGL(this, 0);
+    map->setMapboxGLSettings(m_settings);
+
+    return map;
+}
+
+QT_END_NAMESPACE