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39
40#ifndef QABSTRACTMEDIASERVICE_H
41#define QABSTRACTMEDIASERVICE_H
42
43#include <QtMultimedia/qtmultimediaglobal.h>
44#include <QtCore/qobject.h>
45#include <QtCore/qstringlist.h>
46
47#include <QtMultimedia/qmediacontrol.h>
48
49QT_BEGIN_NAMESPACE
50
51
52class QMediaServicePrivate;
53class Q_MULTIMEDIA_EXPORT QMediaService : public QObject
54{
55 Q_OBJECT
56
57public:
58 ~QMediaService();
59
60 virtual QMediaControl* requestControl(const char *name) = 0;
61
62 template <typename T> inline T requestControl() {
63 if (QMediaControl *control = requestControl(qmediacontrol_iid<T>())) {
64 if (T typedControl = qobject_cast<T>(control))
65 return typedControl;
66 releaseControl(control);
67 }
68 return 0;
69 }
70
71 virtual void releaseControl(QMediaControl *control) = 0;
72
73protected:
74 QMediaService(QObject* parent);
75 QMediaService(QMediaServicePrivate &dd, QObject *parent);
76
77 QMediaServicePrivate *d_ptr;
78
79private:
80 Q_DECLARE_PRIVATE(QMediaService)
81};
82
83QT_END_NAMESPACE
84
85
86#endif // QABSTRACTMEDIASERVICE_H
87
88