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/**
* @file llvoinventorylistener.h
* @brief Interface for classes that wish to receive updates about viewer object inventory
*
* Copyright (c) 2001-$CurrentYear$, Linden Research, Inc.
* $License$
*/
// Description of LLVOInventoryListener class, which is an interface
// for windows that are interested in updates to a ViewerObject's inventory.
#ifndef LL_LLVOINVENTORYLISTENER_H
#define LL_LLVOINVENTORYLISTENER_H
#include "llviewerobject.h"
class LLVOInventoryListener
{
public:
virtual void inventoryChanged(LLViewerObject* object,
InventoryObjectList* inventory,
S32 serial_num,
void* user_data) = 0;
// Remove the listener from the object and clear this listener
void removeVOInventoryListener();
// Just clear this listener, don't worry about the object.
void clearVOInventoryListener();
protected:
LLVOInventoryListener() : mListenerVObject(NULL) { }
virtual ~LLVOInventoryListener() { removeVOInventoryListener(); }
void registerVOInventoryListener(LLViewerObject* object, void* user_data);
void requestVOInventory();
private:
// LLViewerObject is normally wrapped by an LLPointer, but not in
// this case, because it's already sure to be kept alive by
// LLPointers held by other objects that have longer lifetimes
// than this one. Plumbing correct LLPointer usage all the way
// down here has been deemed too much work for now.
LLViewerObject *mListenerVObject;
};
#endif
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