Add routing support for the mapbox geoservice plugin

This patch adds routing support for the mapbox plugin

Change-Id: Ibaf9d9d8a845b49cb8a6fc0d3530ffe57f4989db
Reviewed-by: Alex Blasche <alexander.blasche@theqtcompany.com>

1 files changed, 122 insertions, 0 deletions

diff --git a/src/plugins/geoservices/mapbox/qgeoroutingmanagerenginemapbox.cpp b/src/plugins/geoservices/mapbox/qgeoroutingmanagerenginemapbox.cpp
new file mode 100644
index 00000000..d6ef8f0a
--- /dev/null
+++ b/src/plugins/geoservices/mapbox/qgeoroutingmanagerenginemapbox.cpp
@@ -0,0 +1,122 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 Vlad Seryakov <vseryakov@gmail.com>
+** 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
+** 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 https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://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.LGPL3 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-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
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qgeoroutingmanagerenginemapbox.h"
+#include "qgeoroutereplymapbox.h"
+
+#include <QtCore/QUrlQuery>
+#include <QtCore/QDebug>
+
+QT_BEGIN_NAMESPACE
+
+QGeoRoutingManagerEngineMapbox::QGeoRoutingManagerEngineMapbox(const QVariantMap &parameters,
+                                                         QGeoServiceProvider::Error *error,
+                                                         QString *errorString)
+    : QGeoRoutingManagerEngine(parameters),
+      m_networkManager(new QNetworkAccessManager(this)),
+      m_userAgent("Qt Location based application")
+{
+    if (parameters.contains(QStringLiteral("mapbox.useragent"))) {
+        m_userAgent = parameters.value(QStringLiteral("mapbox.useragent")).toString().toLatin1();
+    }
+
+    if (parameters.contains(QStringLiteral("mapbox.access_token"))) {
+        m_accessToken = parameters.value(QStringLiteral("mapbox.access_token")).toString();
+    }
+
+    *error = QGeoServiceProvider::NoError;
+    errorString->clear();
+}
+
+QGeoRoutingManagerEngineMapbox::~QGeoRoutingManagerEngineMapbox()
+{
+}
+
+QGeoRouteReply* QGeoRoutingManagerEngineMapbox::calculateRoute(const QGeoRouteRequest &request)
+{
+    QNetworkRequest networkRequest;
+    networkRequest.setRawHeader("User-Agent", m_userAgent);
+
+    QString url("https://api.mapbox.com/directions/v5/mapbox/");
+
+    QGeoRouteRequest::TravelModes travelModes = request.travelModes();
+    if (travelModes.testFlag(QGeoRouteRequest::PedestrianTravel))
+        url += "walking/";
+    else
+    if (travelModes.testFlag(QGeoRouteRequest::BicycleTravel))
+        url += "cycling/";
+    else
+    if (travelModes.testFlag(QGeoRouteRequest::CarTravel))
+        url += "driving/";
+
+    foreach (const QGeoCoordinate &c, request.waypoints()) {
+        url += QString("%1,%2;").arg(c.longitude()).arg(c.latitude());
+    }
+    if (url.right(1) == ";") url.chop(1);
+    url += QString("?steps=true&overview=full&geometries=geojson&access_token=%1").arg(m_accessToken);
+
+    networkRequest.setUrl(QUrl(url));
+
+    QNetworkReply *reply = m_networkManager->get(networkRequest);
+    QGeoRouteReplyMapbox *routeReply = new QGeoRouteReplyMapbox(reply, request, this);
+
+    connect(routeReply, SIGNAL(finished()), this, SLOT(replyFinished()));
+    connect(routeReply, SIGNAL(error(QGeoRouteReply::Error,QString)),
+            this, SLOT(replyError(QGeoRouteReply::Error,QString)));
+
+    return routeReply;
+}
+
+void QGeoRoutingManagerEngineMapbox::replyFinished()
+{
+    QGeoRouteReply *reply = qobject_cast<QGeoRouteReply *>(sender());
+    if (reply)
+        emit finished(reply);
+}
+
+void QGeoRoutingManagerEngineMapbox::replyError(QGeoRouteReply::Error errorCode,
+                                             const QString &errorString)
+{
+    QGeoRouteReply *reply = qobject_cast<QGeoRouteReply *>(sender());
+    if (reply)
+        emit error(reply, errorCode, errorString);
+}
+
+QT_END_NAMESPACE