Last change
on this file since 8950 was
7868,
checked in by bensch, 18 years ago
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trunk: merge Check in the Event-changes:
r7867 | bensch | 2006-05-26 13:19:46 +0200 (Fri, 26 May 2006) | 1 line
Events better subscribed
r7866 | bensch | 2006-05-26 13:11:10 +0200 (Fri, 26 May 2006) | 1 line
Events are subscribed at the EventListener, and not the EventHandler
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File size:
757 bytes
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1 | /*! |
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2 | * @file event_listener.h |
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3 | * Definition of an event listener base class |
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4 | */ |
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5 | |
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6 | #ifndef _EVENT_LISTENER_H |
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7 | #define _EVENT_LISTENER_H |
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8 | |
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9 | #include "base_object.h" |
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10 | #include "event.h" |
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11 | #include "event_def.h" |
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12 | |
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13 | //! A class for event listener |
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14 | class EventListener : virtual public BaseObject { |
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15 | |
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16 | public: |
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17 | EventListener(); |
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18 | virtual ~EventListener(); |
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19 | |
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20 | bool isEventSubscribed(elState state, int eventType) const; |
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21 | |
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22 | void subscribeEvent(elState state, int eventType); |
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23 | void unsubscribeEvent(elState state, int eventType); |
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24 | void unsubscribeEvents(elState state = ES_ALL); |
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25 | |
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26 | /** |
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27 | * @brief abstract function that processes events from the handler |
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28 | * @param event: the event |
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29 | */ |
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30 | virtual void process(const Event &event) = 0; |
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31 | |
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32 | }; |
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33 | |
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34 | #endif /* _EVENT_LISTENER_H */ |
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