/**
 * @file llvoinventorylistener.cpp
 * @brief Interface for classes that wish to receive updates about viewer object inventory
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"

#include "llvoinventorylistener.h"
#include "llviewerobject.h"

void LLVOInventoryListener::removeVOInventoryListener()
{
    if (mListenerVObject)
    {
        mListenerVObject->removeInventoryListener(this);
        mListenerVObject = NULL;
    }
}

void LLVOInventoryListener::registerVOInventoryListener(LLViewerObject* object, void* user_data)
{
    removeVOInventoryListener();
    if (object != NULL)
    {
        mListenerVObject = object;
        object->registerInventoryListener(this,user_data);
    }
}

void LLVOInventoryListener::requestVOInventory()
{
    if (mListenerVObject)
    {
        mListenerVObject->requestInventory();
    }
}

// This assumes mListenerVObject is clearing it's own lists
void LLVOInventoryListener::clearVOInventoryListener()
{
    mListenerVObject = NULL;
}