protected void AddHandler <ChangeEvent>(
StateChangeHandlerDelegate <ChangeEvent> handler,
EventComparator <ChangeEvent> comparator,
Events.Event <ChangeEvent> changeEvent
)
{
UnityAction <ChangeEvent> ephemeralHandler = (ChangeEvent pEv) =>
{
handler(pEv);
};
changeEvent.Listen(ephemeralHandler);
// Cleanup
cleanupActions.Add(() =>
{
changeEvent.Remove(ephemeralHandler);
});
}
protected void AddHandler <PressEvent>(
PressHandlerDelegate <PressEvent> handler,
PressEventComparator <PressEvent> comparator,
Events.Event <PressEvent> pressEvent,
Events.Event <PressEvent> unpressEvent
)
{
UnityAction <PressEvent> ephemeralHandler = (PressEvent pEv) =>
{
var unpressHandler = handler(pEv);
UnityAction <PressEvent> ephemeralUnpressHandler = null;
void cleanupEphemeralUnpressHandler()
{
unpressEvent.Remove(ephemeralUnpressHandler);
}
ephemeralUnpressHandler = (PressEvent uEv) =>
{
if (!comparator(pEv, uEv))
{
return;
}
unpressHandler(uEv);
cleanupEphemeralUnpressHandler();
cleanupActions.Remove(cleanupEphemeralUnpressHandler);
};
unpressEvent.Listen(ephemeralUnpressHandler);
cleanupActions.Add(cleanupEphemeralUnpressHandler);
};
pressEvent.Listen(ephemeralHandler);
// Cleanup
cleanupActions.Add(() =>
{
pressEvent.Remove(ephemeralHandler);
});
}