qgeoareamonitorsource.h

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QGEOAREAMONITORSOURCE_H
#define QGEOAREAMONITORSOURCE_H
 
#include <QtPositioning/QGeoCoordinate>
#include <QtPositioning/QGeoAreaMonitorInfo>
#include <QtPositioning/QGeoPositionInfoSource>
 
#include <QtCore/QObject>
#include <QtCore/QStringList>
 
QT_BEGIN_NAMESPACE
 
class QGeoPositionInfo;
class QGeoAreaMonitorSourcePrivate;
class Q_POSITIONING_EXPORT QGeoAreaMonitorSource : public QObject
{
    Q_OBJECT
 
public:
    enum Error {
        AccessError = 0,
        InsufficientPositionInfo = 1,
        UnknownSourceError = 2,
        NoError = 3
    };
    Q_ENUMS(Error)
 
    enum AreaMonitorFeature {
        PersistentAreaMonitorFeature = 0x00000001,
        AnyAreaMonitorFeature = 0xffffffff
    };
    Q_DECLARE_FLAGS(AreaMonitorFeatures, AreaMonitorFeature)
 
    explicit QGeoAreaMonitorSource(QObject *parent);
    virtual ~QGeoAreaMonitorSource();
 
    static QGeoAreaMonitorSource *createDefaultSource(QObject *parent);
    static QGeoAreaMonitorSource *createSource(const QString& sourceName, QObject *parent);
    static QStringList availableSources();
 
    virtual void setPositionInfoSource(QGeoPositionInfoSource *source);
    virtual QGeoPositionInfoSource* positionInfoSource() const;
 
    QString sourceName() const;
 
    virtual Error error() const = 0;
    virtual AreaMonitorFeatures supportedAreaMonitorFeatures() const = 0;
 
    virtual bool startMonitoring(const QGeoAreaMonitorInfo &monitor) = 0;
    virtual bool stopMonitoring(const QGeoAreaMonitorInfo &monitor) = 0;
    virtual bool requestUpdate(const QGeoAreaMonitorInfo &monitor, const char *signal) = 0;
 
    virtual QList<QGeoAreaMonitorInfo> activeMonitors() const = 0;
    virtual QList<QGeoAreaMonitorInfo> activeMonitors(const QGeoShape &lookupArea) const = 0;
 
    virtual bool setBackendProperty(const QString &name, const QVariant &value);
    virtual QVariant backendProperty(const QString &name) const;
 
Q_SIGNALS:
    void areaEntered(const QGeoAreaMonitorInfo &monitor, const QGeoPositionInfo &update);
    void areaExited(const QGeoAreaMonitorInfo &monitor, const QGeoPositionInfo &update);
    void monitorExpired(const QGeoAreaMonitorInfo &monitor);
    void errorOccurred(QGeoAreaMonitorSource::Error error);
 
private:
    Q_DISABLE_COPY(QGeoAreaMonitorSource)
    Q_DECLARE_PRIVATE(QGeoAreaMonitorSource)
};
 
 
QT_END_NAMESPACE
 
#endif