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#include "ofConstants.h"

#ifdef OF_USING_POCO

#include "Poco/FIFOEvent.h"

#include "Poco/Delegate.h"

using Poco::delegate;

//-----------------------------------------

// define ofEvent as a poco FIFOEvent

// to create your own events use:

// ofEvent<argType> myEvent

template <typename ArgumentsType>

class ofEvent: public Poco::FIFOEvent<ArgumentsType> {};

//----------------------------------------------------

// register any method of any class to an event.

// the method must provide one of the following

// signatures:

//     void method(ArgumentsType & args)

//     void method(const void * sender, ArgumentsType &args)

// ie:

//     ofAddListener(addon.newIntEvent, this, &Class::method)

template <class EventType,typename ArgumentsType, class ListenerClass>

static void ofAddListener(EventType & event, ListenerClass  * listener, void (ListenerClass::*listenerMethod)(ArgumentsType&)){

    event += delegate(listener, listenerMethod);

}

//----------------------------------------------------

// unregister any method of any class to an event.

// the method must provide one the following

// signatures:

//     void method(ArgumentsType & args)

//     void method(const void * sender, ArgumentsType &args)

// ie:

//     ofAddListener(addon.newIntEvent, this, &Class::method)

template <class EventType,typename ArgumentsType, class ListenerClass>

static void ofRemoveListener(EventType & event, ListenerClass  * listener, void (ListenerClass::*listenerMethod)(ArgumentsType&)){

    event -= delegate(listener, listenerMethod);

}

//----------------------------------------------------

// notifies an event so all the registered listeners

// get called

// ie:

//        ofNotifyEvent(addon.newIntEvent, intArgument, this)

//

// or in case there's no sender:

//        ofNotifyEvent(addon.newIntEvent, intArgument)

template <class EventType,typename ArgumentsType, typename SenderType>

static void ofNotifyEvent(EventType & event, ArgumentsType & args, SenderType * sender){

        event.notify(sender,args);

}

template <class EventType,typename ArgumentsType>

static void ofNotifyEvent(EventType & event, ArgumentsType & args){

        event.notify(NULL,args);

}

#endif