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#ifndef TWOPHASESIGNAL_H
#define TWOPHASESIGNAL_H
#include <QObject>
/**
* This is a humble helper class for Qt signals and slots when this mechanism is
* also used to initialize the data. In that case, we first do the "plumbing"
* phase, where signals and slots are connected as appropriate. After that has
* been completed, signals are to be sent in a volley so that an required
* initial values are being set.
*/
class TwoPhaseSignal : public QObject {
Q_OBJECT
public:
TwoPhaseSignal();
~TwoPhaseSignal();
public slots:
/**
* Called when the plumbing has been completed.
* The object should react by fireing its signals.
*/
virtual void onPlumbingCompleted() const = 0;
};
#endif
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