/*
 # Copyright (c) 2009, 2010 - OpenSLX Project, Computer Center University of
 # Freiburg
 #
 # This program is free software distributed under the GPL version 2.
 # See http://openslx.org/COPYING
 #
 # If you have any feedback please consult http://openslx.org/feedback and
 # send your suggestions, praise, or complaints to feedback@openslx.org
 #
 # General information about OpenSLX can be found at http://openslx.org/
 */

#ifndef VNCCLIENTTHREAD_H_
#define VNCCLIENTTHREAD_H_

#include <QtCore>
#include <QtGui/QImage>

extern "C"
{
#include <rfb/rfbclient.h>
}

class SomeEvent
{
public:
    virtual ~SomeEvent();

    virtual void fire(rfbClient*) = 0;
};

class KeyEvent : public SomeEvent
{
public:
    KeyEvent(int key, int pressed)
            : _key(key), _pressed(pressed) {}

    void fire(rfbClient*);

private:
    int _key;
    int _pressed;
};

class PointerEvent : public SomeEvent
{
public:
    PointerEvent(int x, int y, int buttonMask)
            : _x(x), _y(y), _buttonMask(buttonMask) {}

    void fire(rfbClient*);

private:
    int _x;
    int _y;
    int _buttonMask;
};

class VNCClientThread: public QThread
{
    Q_OBJECT

public:
    VNCClientThread(QString host, int port, QString passwd, int quality, int updatefreq = 0);
    ~VNCClientThread();

    void run();
    QImage getImage();
    QSize getSize();
    int getUpdatefreq();
    void setUpdatefreq(int updatefreq);
    QString getDesktopName();
    void mouseEvent(int x, int y, int buttonMask);
    void keyEvent(int key, bool pressed);
    bool isConnected()
    {
    	return _connected;
    }


    static void updateImage(rfbClient *client, int x, int y, int w, int h);
    static char* passwdHandler(rfbClient *client);
    static rfbBool frameBufferHandler(rfbClient *client);
    //rfbClient* getRfbClient();

    bool terminate;

    int const static HIGH = 0;
    int const static MEDIUM = 1;
    int const static LOW = 2;

Q_SIGNALS:
    void imageUpdated(int x, int y, int w, int h);

private:
    rfbClient *_client;
    uint8_t *_frameBuffer;

    QString _host;
    int _port;
    QString _passwd;
    int _quality;
    int _updatefreq;
    QQueue<SomeEvent* > _eventQueue;

    QImage _img;
    QSize _clientSize;

    bool _connected;

};

#endif /* VNCCLIENTTHREAD_H_ */