ktorrent/libktorrent/util/waitjob.h

/***************************************************************************
 *   Copyright (C) 2005 by Joris Guisson                                   *
 *   joris.guisson@gmail.com                                               *
 *                                                                         *
 *   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.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.             *
 ***************************************************************************/
#ifndef BTWAITJOB_H
#define BTWAITJOB_H

#include <tqtimer.h>
#include <tdeio/job.h>
#include <tqvaluelist.h>
#include <interfaces/exitoperation.h>
#include "constants.h"

namespace bt
{

	/**
	 * @author Joris Guisson <joris.guisson@gmail.com>
	 * 
	 * Job to wait for a certain amount of time or until one or more ExitOperation's have
	 * finished.
	*/
	class WaitJob : public TDEIO::Job
	{
		TQ_OBJECT
  
	public:
		WaitJob(Uint32 millis);
		virtual ~WaitJob();

		virtual void kill(bool quietly=true);
		
		/**
		 * Add an ExitOperation;
		 * @param op The operation
		 */
		void addExitOperation(kt::ExitOperation* op);
		
		
		/**
		 * Execute a WaitJob
		 * @param job The Job
		 */
		static void execute(WaitJob* job);
		
		/// Are there any ExitOperation's we need to wait for
		bool needToWait() const {return exit_ops.count() > 0;}
		
	private slots:
		void timerDone();
		void operationFinished(kt::ExitOperation* op);
		
	private:
		TQTimer timer;
		TQValueList<kt::ExitOperation*> exit_ops;
	};
	
	void SynchronousWait(Uint32 millis);
	
	

}

#endif