Olivier Smeesters / Mbed 2 deprecated DtmfKit

A DTMF sequence editor and player for HAM radio equipment command & control.

Dependencies:   mbed ExtTextLCD

KeyboardManager/kbd_mgr/KeyboardEventServer.h@0:1324e7d9d471, 2011-03-07 (annotated)

Committer:
osmeest
Date:
Mon Mar 07 22:51:19 2011 +0000
Revision:
0:1324e7d9d471

        

        
Who changed what in which revision?

        

            
                
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#ifndef KEYBOARD_EVENT_SERVER_H_





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#define KEYBOARD_EVENT_SERVER_H_





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#include <cstdlib>





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namespace kbd_mgr {





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template <class HandlerClass>





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class KeyboardEventServer {





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protected:





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    KeyboardEventServer() : handler_(NULL), ownHandler_(false) { }





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    ~KeyboardEventServer()





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    {





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        clearHandler();





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    }





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    void setHandler(HandlerClass *h, bool owner = true) {





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        this->handler_ = h;





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        this->ownHandler_ = owner;





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    }





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    void clearHandler() {





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        if (this->ownHandler_) {





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            delete this->handler_;





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        }





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        this->handler_ = NULL;





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        this->ownHandler_ = false;





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    }





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    HandlerClass *handler() const { return this->handler_; }





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    bool hasHandler() const { return this->handler_ != NULL; }





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public:





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    void attach(HandlerClass *handler) {





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        setHandler(handler, false);





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    }





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    void attach(HandlerClass &handler) {





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        setHandler(&handler, false);





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    }





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    void detach() {





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        clearHandler();





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    }





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private:





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    HandlerClass *handler_;





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    bool ownHandler_;





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};





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} // kbd_mgr





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#endif // KEYBOARD_EVENT_SERVER_H_