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/**
* @file llvoinventorylistener.h
* @brief Interface for classes that wish to receive updates about viewer object inventory
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
// 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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