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/*
Kopete Yahoo Protocol
Handles incoming webcam connections
Copyright (c) 2005 André Duffeck <andre.duffeck@kdemail.net>
*************************************************************************
* *
* 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. *
* *
*************************************************************************
*/
#ifndef WEBCAMTASK_H
#define WEBCAMTASK_H
#include "task.h"
#include <qmap.h>
#include <qpixmap.h>
#include <qstringlist.h>
class QString;
class YMSGTransfer;
class QBuffer;
namespace KNetwork {
class KStreamSocket;
}
using namespace KNetwork;
enum ConnectionStatus{ InitialStatus, ConnectedStage1, ConnectedStage2, Receiving, Sending, SendingEmpty };
enum PacketType { Image, ConnectionClosed, UserRequest, NewWatcher, WatcherLeft };
enum Direction { Incoming, Outgoing };
struct YahooWebcamInformation
{
QString sender;
QString server;
QString key;
ConnectionStatus status;
PacketType type;
Direction direction;
uchar reason;
Q_INT32 dataLength;
Q_INT32 timestamp;
bool headerRead;
QBuffer *buffer;
};
typedef QMap< KStreamSocket *, YahooWebcamInformation > SocketInfoMap;
/**
@author André Duffeck
*/
class WebcamTask : public Task
{
Q_OBJECT
public:
WebcamTask(Task *parent);
~WebcamTask();
bool take(Transfer *transfer);
bool forMe( Transfer* transfer ) const;
bool transmitting() { return transmittingData; }
void requestWebcam( const QString &who );
void closeWebcam( const QString &who );
void registerWebcam();
void sendWebcamImage( const QByteArray &image );
void addPendingInvitation( const QString &userId );
void grantAccess( const QString &userId );
void closeOutgoingWebcam();
signals:
void webcamNotAvailable( const QString & );
void webcamClosed( const QString &, int );
void webcamPaused( const QString& );
void webcamImageReceived( const QString &, const QPixmap &);
void readyForTransmission();
void stopTransmission();
void viewerJoined( const QString & );
void viewerLeft( const QString & );
void viewerRequest( const QString & );
private slots:
void slotConnectionStage1Established();
void slotConnectionStage2Established();
void slotConnectionFailed(int);
void slotRead();
void sendEmptyWebcamImage();
void transmitWebcamImage();
private:
void parseWebcamInformation( YMSGTransfer *transfer );
void parseData( QByteArray &data, KStreamSocket *socket );
void connectStage2( KStreamSocket *socket );
void processData( KStreamSocket *socket );
void cleanUpConnection( KStreamSocket *socket );
QString keyPending; // the buddy we have requested the webcam from
SocketInfoMap socketMap;
bool transmittingData;
QStringList pendingInvitations;
QStringList accessGranted;
int timestamp;
QByteArray pictureBuffer;
bool transmissionPending;
};
#endif
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