/**
 * @class   IGTalkBotListener
 * @brief   Interface for GTalkBotImpl callbacks (events).
 *
 * @see     GTalkBotImpl
 ****************************************************************************
 * @version $Id: IGTalkBotListener.h 585 2009-09-29 06:10:28Z alex $
 * @author  Alessandro Polo
 ****************************************************************************/
/* Copyright (c) 2007-2009, WOSH - Wide Open Smart Home 
 * by Alessandro Polo - OpenSmartHome.com
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the OpenSmartHome.com WOSH nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY Alessandro Polo ''AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL Alessandro Polo BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 ****************************************************************************/

#ifndef __WOSH_Implementations_IGTalkBotListener_H__
 #define __WOSH_Implementations_IGTalkBotListener_H__

 #include <string>

using namespace std;

class GTalkBotImpl;

class IGTalkBotListener  {

/** @name GTlakBot Events
 * @{
 ******************************************************************************/
	public:
		/**
		 * @brief   Raised when a friend went offline or came online (also raised periodically)
		 * @param bot [in] GTalkBotImpl which raised the callback
		 * @param username [in] username who changed online status (online<->offline)
		 * @param status [in] online status of the user
		 */
		virtual void gtalkbot_UserStatus( GTalkBotImpl* bot, const string& username, int status ) = 0;

		/**
		 * @brief   Raised when a new message is sent to bot's account
		 * @param bot [in] GTalkBotImpl which raised the callback
		 * @param username [in] username who sent the message
		 * @param message [in] message sent by the user
		 */
		virtual void gtalkbot_Message( GTalkBotImpl* bot, const string& username, const string& message ) = 0;

//@}
	public:
		virtual ~IGTalkBotListener() { }


}; // class def


#endif //__WOSH_Implementations_IGTalkBotListener_H__