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// -*- c++ -*-
#ifndef KRFBCONNECTION_H
#define KRFBCONNECTION_H
#include <qobject.h>
#include <qstring.h>
#include <qcstring.h>
#include <qurl.h>
class KRFBLogin;
class KRBUpdateHandler;
class KRFBOptions;
class QSocket;
class KRFBDecoder;
class KRFBBuffer;
class QTimer;
/**
* Encapsulates the RFB socket.
*
*/
class KRFBConnection : public QObject
{
Q_OBJECT
public:
friend class KRFBLogin;
friend class KRFBDecoder;
//* The state of the connection.
enum State {
Connecting,
LoggingIn,
Connected,
Disconnecting,
Disconnected,
Error
};
KRFBConnection( QObject *parent = 0 );
~KRFBConnection();
//* Get the state of a connection.
State state() const;
//* Get the options for this connection
KRFBOptions *options() const { return options_; };
KRFBBuffer *buffer() const { return buffer_; };
KRFBDecoder *decoder() const { return decoder_; };
//* Set the base from which the port for a given display will be calculated.
void setPortBase( int base );
//* Get the base from which the port for a given display is calculated.
int portBase() const;
//* Set the password which will be used to login
void setPassword( const QCString &pass );
//* Open a connection
void connectTo( const QCString &host, int display );
//* Close the connection
void disconnect();
//* Get the host
const QCString host() const { return host_; };
//* Get the display
int display() const { return display_; };
//* Get the current host/display as a URL
const QUrl &url();
//* Reload the display
void refresh();
//* Send text to the remote clipboard
void sendCutText( const QString & );
protected slots:
//* When the shit hits the fan
void gotSocketError( int );
//* When we have an open socket
void gotSocketConnection();
//* When we have logged in
void gotRFBConnection();
//* When some more data arrived
void gotMoreData();
void updateTimer();
void disconnectDone();
signals:
//* Emitted when the status of the connection changes.
void statusChanged( const QString & );
/**
* Emitted when we *really* need a password. If the password
* was specified before you tried to connect then you won't
* see this.
*/
void passwordRequired( KRFBConnection * );
//* When we have a working RFB connection
void connected();
void loggedIn();
void disconnected();
//* What happened?
void error( const QString &msg );
//* Emitted in response to a waitForData() call.
void gotEnoughData();
private:
//
// The following are called by our friends.
//
void waitForData( unsigned int );
int read( void *buf, int sz );
int write( void *buf, int sz );
private:
QCString host_;
int portBase_;
int display_;
QCString pass_;
QSocket *sock;
State currentState_;
unsigned int minData_;
QTimer *updater;
KRFBLogin *login;
KRFBDecoder *decoder_;
KRFBOptions *options_;
KRFBBuffer *buffer_;
QUrl url_;
};
#endif // KRFBCONNECTION_H
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