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/**
* @file lloutfitobserver.h
* @brief Outfit observer facade.
*
* $LicenseInfo:firstyear=2010&license=viewergpl$
*
* Copyright (c) 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.
* $/LicenseInfo$
*/
#ifndef LL_OUTFITOBSERVER_H
#define LL_OUTFITOBSERVER_H
#include "llsingleton.h"
#include "llmd5.h"
/**
* Outfit observer facade that provides simple possibility to subscribe on
* BOF(base outfit) replaced, BOF changed, COF(current outfit) changed events.
*/
class LLOutfitObserver: public LLInventoryObserver, public LLSingleton<LLOutfitObserver>
{
public:
virtual ~LLOutfitObserver();
friend class LLSingleton<LLOutfitObserver>;
virtual void changed(U32 mask);
void notifyOutfitLockChanged() { mOutfitLockChanged(); }
typedef boost::signals2::signal<void (void)> signal_t;
void addBOFReplacedCallback(const signal_t::slot_type& cb) { mBOFReplaced.connect(cb); }
void addBOFChangedCallback(const signal_t::slot_type& cb) { mBOFChanged.connect(cb); }
void addCOFChangedCallback(const signal_t::slot_type& cb) { mCOFChanged.connect(cb); }
void addCOFSavedCallback(const signal_t::slot_type& cb) { mCOFSaved.connect(cb); }
void addOutfitLockChangedCallback(const signal_t::slot_type& cb) { mOutfitLockChanged.connect(cb); }
protected:
LLOutfitObserver();
/** Get a version of an inventory category specified by its UUID */
static S32 getCategoryVersion(const LLUUID& cat_id);
static const std::string& getCategoryName(const LLUUID& cat_id);
bool checkCOF();
void hashItemNames(LLMD5& itemNameHash);
void checkBaseOutfit();
//last version number of a COF category
S32 mCOFLastVersion;
LLUUID mBaseOutfitId;
S32 mBaseOutfitLastVersion;
std::string mLastBaseOutfitName;
bool mLastOutfitDirtiness;
LLMD5 mItemNameHash;
private:
signal_t mBOFReplaced;
signal_t mBOFChanged;
signal_t mCOFChanged;
signal_t mCOFSaved;
/**
* Signal for changing state of outfit lock.
*/
signal_t mOutfitLockChanged;
};
#endif /* LL_OUTFITOBSERVER_H */
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