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/** 
 * @file llfloateravatarpicker.h
 * @brief was llavatarpicker.h
 *
 * $LicenseInfo:firstyear=2003&license=viewergpl$
 * 
 * Copyright (c) 2003-2009, 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.
 * $/LicenseInfo$
 */

#ifndef LLFLOATERAVATARPICKER_H
#define LLFLOATERAVATARPICKER_H

#include "llfloater.h"

#include <vector>

class LLScrollListCtrl;

class LLFloaterAvatarPicker : public LLFloater
{
public:
	typedef boost::signals2::signal<bool(const uuid_vec_t&), boost_boolean_combiner> validate_signal_t;
	typedef validate_signal_t::slot_type validate_callback_t;

	// The callback function will be called with an avatar name and UUID.
	typedef boost::function<void (const std::vector<std::string>&, const uuid_vec_t&)> select_callback_t;
	// Call this to select an avatar.	
	static LLFloaterAvatarPicker* show(select_callback_t callback, 
									   BOOL allow_multiple = FALSE,
									   BOOL closeOnSelect = FALSE);

	LLFloaterAvatarPicker(const LLSD& key);
	virtual ~LLFloaterAvatarPicker();
	
	virtual	BOOL postBuild();

	void setOkBtnEnableCb(validate_callback_t cb);

	static void processAvatarPickerReply(class LLMessageSystem* msg, void**);
	void processResponse(const LLUUID& query_id, const LLSD& content);

	BOOL handleDragAndDrop(S32 x, S32 y, MASK mask,
						   BOOL drop, EDragAndDropType cargo_type,
						   void *cargo_data, EAcceptance *accept,
						   std::string& tooltip_msg);

private:
	void editKeystroke(class LLLineEditor* caller, void* user_data);

	void onBtnFind();
	void onBtnSelect();
	void onBtnRefresh();
	void onRangeAdjust();
	void onBtnClose();
	void onList();
	void onTabChanged();
	bool isSelectBtnEnabled();

	void populateNearMe();
	void populateFriend();
	BOOL visibleItemsSelected() const; // Returns true if any items in the current tab are selected.

	void find();
	void setAllowMultiple(BOOL allow_multiple);
	LLScrollListCtrl* getActiveList();

	virtual void draw();
	virtual BOOL handleKeyHere(KEY key, MASK mask);

	LLUUID				mQueryID;
	int				mNumResultsReturned;
	BOOL				mNearMeListComplete;
	BOOL				mCloseOnSelect;

	validate_signal_t mOkButtonValidateSignal;
	select_callback_t mSelectionCallback;
};

#endif