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/**
* @file lloutfitobserver.h
* @brief Outfit observer facade.
*
* $LicenseInfo:firstyear=2010&license=viewerlgpl$
* 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
* $/LicenseInfo$
*/
#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 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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