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33
34#ifndef QVALUESPACESUBSCRIBER_H
35#define QVALUESPACESUBSCRIBER_H
36
37#include <QtPublishSubscribe/qvaluespace.h>
38
39#include <QtCore/qshareddata.h>
40#include <QtCore/qvariant.h>
41
42QT_BEGIN_NAMESPACE
43
44class QValueSpaceSubscriberPrivate;
45
46class Q_PUBLISHSUBSCRIBE_EXPORT QValueSpaceSubscriber : public QObject
47{
48 Q_OBJECT
49
50 Q_PROPERTY(QString path READ path WRITE setPath)
51 Q_PROPERTY(QVariant value READ valuex NOTIFY contentsChanged)
52
53public:
54 explicit QValueSpaceSubscriber(QObject *parent = Q_NULLPTR);
55 explicit QValueSpaceSubscriber(const QString &path, QObject *parent = Q_NULLPTR);
56 explicit QValueSpaceSubscriber(QValueSpace::LayerOptions filter, const QString &path, QObject *parent = Q_NULLPTR);
57 explicit QValueSpaceSubscriber(const QUuid &uuid, const QString &path, QObject *parent = Q_NULLPTR);
58 virtual ~QValueSpaceSubscriber();
59
60 bool isConnected() const;
61 void cd(const QString &path);
62 void cdUp();
63 void setPath(const QString &path);
64 void setPath(QValueSpaceSubscriber *subscriber);
65 QString path() const;
66 QStringList subPaths() const;
67 QVariant value(const QString &subPath = QString(), const QVariant &def = QVariant()) const;
68
69Q_SIGNALS:
70 void contentsChanged();
71
72protected:
73 virtual void connectNotify(const QMetaMethod &signal);
74 virtual void disconnectNotify(const QMetaMethod &signal);
75
76private:
77 QVariant valuex(const QVariant &def = QVariant()) const;
78
79private:
80 Q_DISABLE_COPY(QValueSpaceSubscriber)
81 QExplicitlySharedDataPointer<QValueSpaceSubscriberPrivate> d;
82};
83
84QT_END_NAMESPACE
85
86#endif // QVALUESPACESUBSCRIBER_H
87

source code of qtsystems/src/publishsubscribe/qvaluespacesubscriber.h