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/**
* $Id$
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
/**
* @file GHOST_ITimerTask.h
* Declaration of GHOST_ITimerTask interface class.
*/
#ifndef _GHOST_ITIMER_TASK_H_
#define _GHOST_ITIMER_TASK_H_
#include "GHOST_Types.h"
/**
* Interface for a timer task.
* Timer tasks are created by the system and can be installed by the system.
* After installation, the timer callback-procedure or "timerProc" will be called
* periodically. You should not need to inherit this class. It is passed to the
* application in the timer-callback.<br>
* <br>
* Note that GHOST processes timers in the UI thread. You should ask GHOST
* process messages in order for the timer-callbacks to be called.
* @see GHOST_ISystem#installTimer
* @see GHOST_TimerProcPtr
* @author Maarten Gribnau
* @date May 31, 2001
*/
class GHOST_ITimerTask
{
public:
/**
* Destructor.
*/
virtual ~GHOST_ITimerTask()
{
}
/**
* Returns the timer callback.
* @return The timer callback.
*/
virtual GHOST_TimerProcPtr getTimerProc() const = 0;
/**
* Changes the timer callback.
* @param timerProc The timer callback.
*/
virtual void setTimerProc(const GHOST_TimerProcPtr timerProc) = 0;
/**
* Returns the timer user data.
* @return The timer user data.
*/
virtual GHOST_TUserDataPtr getUserData() const = 0;
/**
* Changes the time user data.
* @param data The timer user data.
*/
virtual void setUserData(const GHOST_TUserDataPtr userData) = 0;
};
#endif // _GHOST_ITIMER_TASK_H_
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