qt-everywhere-src-5.14.1/qtconnectivity/src/imports/nfc/qdeclarativenearfield_p.h

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#ifndef QDECLARATIVENEARFIELD_P_H
#define QDECLARATIVENEARFIELD_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <QtCore/QObject>
#include <QtQml/qqml.h>
#include <QtQml/QQmlParserStatus>
#include <QtNfc/QNearFieldManager>

#include "qqmlndefrecord.h"


QT_USE_NAMESPACE

class QDeclarativeNdefFilter;
class QDeclarativeNearField : public QObject, public QQmlParserStatus
{
    Q_OBJECT

    Q_PROPERTY(QQmlListProperty<QQmlNdefRecord> messageRecords READ messageRecords NOTIFY messageRecordsChanged)
    Q_PROPERTY(QQmlListProperty<QDeclarativeNdefFilter> filter READ filter NOTIFY filterChanged)
    Q_PROPERTY(bool orderMatch READ orderMatch WRITE setOrderMatch NOTIFY orderMatchChanged)
    Q_PROPERTY(bool polling READ polling WRITE setPolling NOTIFY pollingChanged REVISION 1)

    Q_INTERFACES(QQmlParserStatus)

public:
    explicit QDeclarativeNearField(QObject *parent = 0);

    QQmlListProperty<QQmlNdefRecord> messageRecords();

    QQmlListProperty<QDeclarativeNdefFilter> filter();

    bool orderMatch() const;
    void setOrderMatch(bool on);

    // From QDeclarativeParserStatus
    void classBegin() { }
    void componentComplete();

    bool polling() const;
    void setPolling(bool on);

signals:
    void messageRecordsChanged();
    void filterChanged();
    void orderMatchChanged();
    Q_REVISION(1) void pollingChanged();

    Q_REVISION(1) void tagFound();
    Q_REVISION(1) void tagRemoved();

private slots:
    void _q_handleNdefMessage(const QNdefMessage &message);
    void _q_handleTargetLost(QNearFieldTarget*);
    void _q_handleTargetDetected(QNearFieldTarget*);

private:
    QList<QQmlNdefRecord *> m_message;
    QList<QDeclarativeNdefFilter *> m_filterList;
    bool m_orderMatch;
    bool m_componentCompleted;
    bool m_messageUpdating;

    QNearFieldManager *m_manager;
    int m_messageHandlerId;
    bool m_polling;

    void registerMessageHandler();

    static void append_messageRecord(QQmlListProperty<QQmlNdefRecord> *list,
                                     QQmlNdefRecord *record);
    static int count_messageRecords(QQmlListProperty<QQmlNdefRecord> *list);
    static QQmlNdefRecord *at_messageRecord(QQmlListProperty<QQmlNdefRecord> *list,
                                                    int index);
    static void clear_messageRecords(QQmlListProperty<QQmlNdefRecord> *list);

    static void append_filter(QQmlListProperty<QDeclarativeNdefFilter> *list,
                              QDeclarativeNdefFilter *filter);
    static int count_filters(QQmlListProperty<QDeclarativeNdefFilter> *list);
    static QDeclarativeNdefFilter *at_filter(QQmlListProperty<QDeclarativeNdefFilter> *list,
                                             int index);
    static void clear_filter(QQmlListProperty<QDeclarativeNdefFilter> *list);
};

#endif // QDECLARATIVENEARFIELD_P_H