//
//  libavg - Media Playback Engine. 
//  Copyright (C) 2003-2014 Ulrich von Zadow
//
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of the GNU Lesser General Public
//  License as published by the Free Software Foundation; either
//  version 2 of the License, or (at your option) any later version.
//
//  This library 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
//  Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with this library; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//  Current versions can be found at www.libavg.de
//

#ifndef _LibMTDevInputDevice_H_
#define _LibMTDevInputDevice_H_

#include "../api.h"
#include "MultitouchInputDevice.h"
#include "Event.h"

#include "../base/Rect.h"

#include <vector>
#include <set>
#include <map>

struct mtdev;

namespace avg {

class AVG_API LibMTDevInputDevice: public MultitouchInputDevice
{
public:
    LibMTDevInputDevice();
    virtual ~LibMTDevInputDevice();
    virtual void start();

    std::vector<EventPtr> pollEvents();
    
private:
    void processEvents(const std::set<int>& changedIDs);
    TouchEventPtr createEvent(int id, Event::Type type, IntPoint pos);

    int m_DeviceFD;
    int m_LastID;
    mtdev* m_pMTDevice;
    IntRect m_Dimensions;

    struct TouchData
    {
        TouchData() { id = -1; }
        int id;
        bool bUp;
        IntPoint pos;
    };
    std::map<int, TouchData> m_Slots;

};

typedef boost::shared_ptr<LibMTDevInputDevice> LibMTDevInputDevicePtr;

}

#endif

