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#ifndef QQUICKSTREAMER_OBJECTREFERENCE_H
#define QQUICKSTREAMER_OBJECTREFERENCE_H
#include <glib-object.h>
typedef struct _GstElementFactory GstElementFactory;
namespace QQuickStreamer {
namespace Private {
template<class T>
struct TypeClassHelper
{
typedef GType InitializerType;
static T *addReference(GType type)
{
return static_cast<T *>(g_type_class_ref(type));
}
static void removeReference(T *p)
{
g_type_class_unref(p);
}
};
template<class T>
struct ObjectHelper
{
typedef T *InitializerType;
static T *addReference(T *p)
{
return static_cast<T *>(g_object_ref(p));
}
static void removeReference(T *p)
{
g_object_unref(p);
}
};
template<class T> struct ReferenceHelper { };
template<> struct ReferenceHelper<GObjectClass> : public TypeClassHelper<GObjectClass> { };
template<> struct ReferenceHelper<GEnumClass> : public TypeClassHelper<GEnumClass> { };
template<> struct ReferenceHelper<GFlagsClass> : public TypeClassHelper<GFlagsClass> { };
template<> struct ReferenceHelper<GstElementFactory> : public ObjectHelper<GstElementFactory> { };
} // namespace Private
template<class T>
class ObjectReference
{
typedef Private::ReferenceHelper<T> TypeHelper;
public:
explicit ObjectReference(typename TypeHelper::InitializerType init)
: d(TypeHelper::addReference(init))
{
}
~ObjectReference()
{
TypeHelper::removeReference(d);
}
operator T *() const
{
return d;
}
T *operator ->() const
{
return d;
}
private:
T *const d;
};
template<class T>
inline ObjectReference<T> makeReference(T *p)
{
return ObjectReference<T>(p);
}
} // namespace QQuickStreamer
#endif // QQUICKSTREAMER_OBJECTREFERENCE_H
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