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#ifndef OPIE_IO_LAYER_H
#define OPIE_IO_LAYER_H
#include <qbitarray.h>
#include <qobject.h>
#include <qpe/config.h>
#include "profile.h"
/**
* This is the base class for IO Layers
* It will used to sent and recv data( QByteArray )
* it
*/
class IOLayer : public QObject {
Q_OBJECT
public:
enum Error {
NoError = -1,
Refuse = 0,
CouldNotOpen =1,
ClosedUnexpected =2,
ClosedError =3,
Terminate = 4
/* add more errors here */
};
enum Feature {
AutoConnect = 0,
TransferFile = 1,
Close = 2
};
/**
* a small c'tor
*/
IOLayer();
/**
* create an IOLayer instance from a config file
* the currently set group stores the profile/session
* information
*/
IOLayer( const Profile& );
/**
* destructor
*/
virtual ~IOLayer();
/**
* a small internal identifier
*/
virtual QString identifier() const = 0;
/**
* a short name
*/
virtual QString name() const = 0;
/**
* a file descriptor which opens
* the device for io but does not
* do any ioctling on it...
* and it'll stop listening to the before opened
* device
*/
virtual int rawIO() const;
/**
* will close the rawIO stuff
* and will listen to it's data again...
*/
virtual void closeRawIO(int);
/**
* What does the IOLayer support?
* Bits are related to features
*/
virtual QBitArray supports() const = 0;
virtual bool isConnected() = 0;
signals:
/**
* received input as QCString
*/
virtual void received( const QByteArray& );
/**
* an error occured
* int for the error number
* and QString for a text
*/
virtual void error( int, const QString& );
virtual void closed();
/* signal emitted for closure of the IOLayer
* for some reasons
*/
virtual void closed(IOLayer*);
public slots:
/**
* send a QCString to the device
*/
virtual void send( const QByteArray& ) = 0;
/**
* bool open
*/
virtual bool open() = 0;
/**
* close the io
*/
virtual void close() = 0;
/**
* closes and reloads the settings
*/
virtual void reload( const Profile& ) = 0;
/**
* set the size
* needed for pty
*/
virtual void setSize(int lines, int cols );
};
#endif
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