llmemberlistener.h

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#ifndef LL_LLMEMBERLISTENER_H
#define LL_LLMEMBERLISTENER_H

#include "llevent.h"

// T *mPtr is the object that this listener manipulates
template <class T>
class LLMemberListener : public LLSimpleListener
{
public:
        LLMemberListener() : mPtr(NULL), mRegisteredName() { }

        void registerListener(T *pointer, const LLString& register_name)
        {
                mPtr = pointer;
                mRegisteredName = register_name;
                pointer->registerEventListener(register_name, this);
        }

        // This is what you have to override to handle this event
        virtual bool handleEvent(LLPointer<LLEvent> event, const LLSD& userdata) = 0;

        T *mPtr;
        LLString mRegisteredName;
};

// Example usage:

// (in header)

// class T {
//    class LLDoTest : public LLMemberListener<LLInventoryView>
//    {
//        bool handleEvent(LLPointer<LLEvent> event, const LLSD& userdata);
//    };
//    LLDoTest mDoTest;
// }

// (in cpp)

// T::T() {
//   mDoTest.registerListener(this, "T.Test");
// }
//
// T::LLDoTest::handleEvent(LLPointer<LLEvent> event, const LLSD& userdata)
// {
//   T *self = mPtr;
//   ...
// }

#endif // LL_LLMEMBERLISTENER_H

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