llcallbacklist.h

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#ifndef LL_LLCALLBACKLIST_H
#define LL_LLCALLBACKLIST_H

#include "llstl.h"

class LLCallbackList
{
public:
        typedef void (*callback_t)(void*);
        
        LLCallbackList();
        ~LLCallbackList();

        void addFunction( callback_t func, void *data = NULL );         // register a callback, which will be called as func(data)
        BOOL containsFunction( callback_t func, void *data = NULL );    // true if list already contains the function/data pair
        BOOL deleteFunction( callback_t func, void *data = NULL );              // removes the first instance of this function/data pair from the list, false if not found
        void callFunctions();                                                                                           // calls all functions
        void deleteAllFunctions();

        static void test();

protected:
        // Use a list so that the callbacks are ordered in case that matters
        typedef std::pair<callback_t,void*> callback_pair_t;
        typedef std::list<callback_pair_t > callback_list_t;
        callback_list_t mCallbackList;
};

extern LLCallbackList gIdleCallbacks;

#endif

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