/data/refman/pasoursint/CMSSW_6_1_1/src/Fireworks/Core/src/CmsShowTaskExecutorBase.h

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#ifndef Fireworks_Core_CmsShowTaskExecutorBase_h
#define Fireworks_Core_CmsShowTaskExecutorBase_h
// -*- C++ -*-
//
// Package:     Core
// Class  :     CmsShowTaskExecutorBase
//
//
// Original Author:  Chris Jones
//         Created:  Fri Jul 11 12:09:38 EDT 2008
// $Id: CmsShowTaskExecutorBase.h,v 1.6 2009/01/23 21:35:42 amraktad Exp $
//

// system include files
#include <sigc++/signal.h>

// user include files

// forward declarations
class TTimer;
class CmsShowTaskTimer;

class CmsShowTaskExecutorBase {

public:
   CmsShowTaskExecutorBase();
   virtual ~CmsShowTaskExecutorBase();

   // ---------- const member functions ---------------------

   // ---------- static member functions --------------------

   // ---------- member functions ---------------------------
   void requestNextTask();
   void doNextTask();

   virtual void startDoingTasks()=0;

   sigc::signal<void> tasksCompleted_;

protected:
   virtual void doNextTaskImp() = 0;
   virtual bool moreTasksAvailable() = 0;
private:
   CmsShowTaskExecutorBase(const CmsShowTaskExecutorBase&); // stop default

   const CmsShowTaskExecutorBase& operator=(const CmsShowTaskExecutorBase&); // stop default

   // ---------- member data --------------------------------
   //TTimer* m_timer;
   CmsShowTaskTimer* m_taskTimer;
};


#endif