QMediaAvailabilityControl Class
The QMediaAvailabilityControl class supplies a control for reporting availability of a service. More...
| Header: | #include <QMediaAvailabilityControl> |
| qmake: | QT += multimedia |
| Inherits: | QMediaControl |
Public Functions
| virtual | ~QMediaAvailabilityControl() |
| virtual QMultimedia::AvailabilityStatus | availability() const = 0 |
- 31 public functions inherited from QObject
Signals
| void | availabilityChanged(QMultimedia::AvailabilityStatus availability) |
- 2 signals inherited from QObject
Static Public Members
| const QMetaObject | staticMetaObject |
- 9 static public members inherited from QObject
Protected Functions
| QMediaAvailabilityControl(QObject *parent = nullptr) |
- 9 protected functions inherited from QObject
Macros
Additional Inherited Members
Detailed Description
The QMediaAvailabilityControl class supplies a control for reporting availability of a service.
An instance of QMediaObject (or its derived classes) can report any changes in availability via this control.
The interface name of QMediaAvailabilityControl is org.qt-project.qt.mediaavailabilitycontrol/5.0 as defined in QMediaAvailabilityControl_iid.
See also QMediaService::requestControl() and QMediaObject.
Member Function Documentation
[protected] QMediaAvailabilityControl::QMediaAvailabilityControl(QObject *parent = nullptr)
Constructs an availability control object with parent.
[virtual] QMediaAvailabilityControl::~QMediaAvailabilityControl()
Destruct the availability control object.
[pure virtual] QMultimedia::AvailabilityStatus QMediaAvailabilityControl::availability() const
Returns the current availability of this instance of the media service. If the availability changes at run time (for example, some other media client takes all media resources) the availabilityChanges() signal should be emitted.
[signal] void QMediaAvailabilityControl::availabilityChanged(QMultimedia::AvailabilityStatus availability)
Signal emitted when the current availability value changed.
Macro Documentation
QMediaAvailabilityControl_iid
org.qt-project.qt.mediaavailabilitycontrol/5.0
Defines the interface name of the QMediaAvailabilityControl class.
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