/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * Additional copyright for this file:
 * Copyright (C) 1995-1997 Presto Studios, Inc.
 *
 * 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 PEGASUS_ITEMS_AUTODRAGGER_H
#define PEGASUS_ITEMS_AUTODRAGGER_H

#include "pegasus/timers.h"

namespace Pegasus {

class DisplayElement;

class AutoDragger : private Idler, private TimeBase, private TimeBaseCallBack {
public:
	AutoDragger();
	virtual ~AutoDragger() {}

	void autoDrag(DisplayElement *, const Common::Point &, const Common::Point &, TimeValue, TimeScale);
	bool isDragging();
	void stopDragging();

protected:
	void useIdleTime();
	void callBack();

	DisplayElement *_draggingElement;
	Common::Point _startLocation, _stopLocation;
	TimeValue _lastTime;
	bool _done;
};

} // End of namespace Pegasus

#endif