llvoinventorylistener.h
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上传日期:2021-03-01
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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) 2001-2010, 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