File indexing completed on 2024-04-28 15:39:05

 // SPDX-FileCopyrightText: 2020-2022 Tobias Leupold <tl at stonemx dot de>
 //
 // SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 
 #ifndef ELEVATIONENGINE_H
 #define ELEVATIONENGINE_H
 
 // Qt includes
 #include <QObject>
 #include <QHash>
 #include <QVector>
 
 // Local classes
 class Settings;
 class Coordinates;
 
 // Qt classes
 class QNetworkAccessManager;
 class QNetworkReply;
 class QTimer;
 
 class ElevationEngine : public QObject
 {
     Q_OBJECT
 
 public:
     enum Target {
         Image,
         Bookmark
     };
 
     explicit ElevationEngine(QObject *parent, Settings *settings);
     void request(Target target, const QVector<QString> &ids,
                  const QVector<Coordinates> &coordinates);
 
 Q_SIGNALS:
     void lookupFailed(const QString &errorMessage);
     void notAllPresent(int locationsCount, int elevationsCount);
     void elevationProcessed(Target target, const QVector<QString> &ids,
                             const QVector<double> &elevations);
 
 private Q_SLOTS:
     void processNextRequest();
     void cleanUpRequest(QNetworkReply *request);
     void processReply(QNetworkReply *reply);
 
 private: // Functions
     void removeRequest(QNetworkReply *request);
 
 private: // Variables
     struct RequestData
     {
         Target target;
         QVector<QString> ids;
     };
 
     Settings *m_settings;
 
     QNetworkAccessManager *m_manager;
 
     QTimer *m_requestTimer;
     QVector<Target> m_queuedTargets;
     QVector<QVector<QString>> m_queuedIds;
     QVector<QString> m_queuedLocations;
 
     QHash<QNetworkReply *, RequestData> m_requests;
 
 };
 
 #endif // ELEVATIONENGINE_H