QGCMapEngine.h

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#pragma once
 
#include <QtCore/QLoggingCategory>
#include <QtCore/QObject>
#include <QtCore/QString>
 
Q_DECLARE_LOGGING_CATEGORY(QGCMapEngineLog)
 
class QGCMapTask;
class QGCCacheWorker;
 
class QGCMapEngine : public QObject
{
    Q_OBJECT
 
public:
    explicit QGCMapEngine(QObject *parent = nullptr);
    ~QGCMapEngine();
 
    void init(const QString &databasePath);
    bool addTask(QGCMapTask *task);
 
    static QGCMapEngine *instance();
 
signals:
    void updateTotals(quint32 totaltiles, quint64 totalsize, quint32 defaulttiles, quint64 defaultsize);
 
private slots:
    void _updateTotals(quint32 totaltiles, quint64 totalsize, quint32 defaulttiles, quint64 defaultsize);
    void _pruned() { m_pruning = false; }
 
private:
    QGCCacheWorker *m_worker = nullptr;
    bool m_pruning = false;
    std::atomic<bool> m_initialized = false;
};
 
extern QGCMapEngine *getQGCMapEngine();