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//
// VMime library (http://vmime.sourceforge.net)
// Copyright (C) 2002-2004 Vincent Richard <[email protected]>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of
// the License, or (at your option) any later version.
//
// This program 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
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//

#ifndef VMIME_MESSAGING_TIMEOUTHANDLER_HPP_INCLUDED
#define VMIME_MESSAGING_TIMEOUTHANDLER_HPP_INCLUDED


namespace vmime {
namespace messaging {


/** A class to manage time-out in messaging services.
  */

class timeoutHandler
{
public:

	virtual ~timeoutHandler() { }

	/** Called to test if the time limit has been reached.
	  *
	  * @return true if the time-out delay is elapsed
	  */
	virtual const bool isTimeOut() = 0;

	/** Called to reset the time-out counter.
	  */
	virtual void resetTimeOut() = 0;

	/** Called when the time limit has been reached (when
	  * isTimeOut() returned true).
	  *
	  * @return true to continue (and reset the time-out)
	  * or false to cancel the current operation
	  */
	virtual const bool handleTimeOut() = 0;
};


/** A class to create 'timeoutHandler' objects.
  */

class timeoutHandlerFactory
{
public:

	virtual ~timeoutHandlerFactory() { }

	virtual timeoutHandler* create() = 0;
};


} // messaging
} // vmime


#endif // VMIME_MESSAGING_TIMEOUTHANDLER_HPP_INCLUDED