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****************************************************************************/

#ifndef QHTTPSOCKETENGINE_P_H

#define QHTTPSOCKETENGINE_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists purely as an

// implementation detail.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include "private/qabstractsocketengine_p.h"

#include "qabstractsocket.h"

#include "qnetworkproxy.h"

#include "private/qauthenticator_p.h"

QT_BEGIN_NAMESPACE

#if !defined(QT_NO_NETWORKPROXY) && !defined(QT_NO_HTTP)

class QTcpSocket;

class QHttpSocketEnginePrivate;

class Q_AUTOTEST_EXPORT QHttpSocketEngine : public QAbstractSocketEngine

{

    Q_OBJECT

public:

    enum HttpState {

        None,

        ConnectSent,

        Connected,

        SendAuthentication,

        ReadResponseContent

    };

    QHttpSocketEngine(QObject *parent = 0);

    ~QHttpSocketEngine();

    bool initialize(QAbstractSocket::SocketType type, QAbstractSocket::NetworkLayerProtocol protocol = QAbstractSocket::IPv4Protocol);

    bool initialize(int socketDescriptor, QAbstractSocket::SocketState socketState = QAbstractSocket::ConnectedState);

    void setProxy(const QNetworkProxy &networkProxy);

    int socketDescriptor() const;

    bool isValid() const;

    bool connectInternal();

    bool connectToHost(const QHostAddress &address, quint16 port);

    bool connectToHostByName(const QString &name, quint16 port);

    bool bind(const QHostAddress &address, quint16 port);

    bool listen();

    int accept();

    void close();

    qint64 bytesAvailable() const;

    qint64 read(char *data, qint64 maxlen);

    qint64 write(const char *data, qint64 len);

#ifndef QT_NO_UDPSOCKET

    qint64 readDatagram(char *data, qint64 maxlen, QHostAddress *addr = 0,

        quint16 *port = 0);

    qint64 writeDatagram(const char *data, qint64 len, const QHostAddress &addr,

        quint16 port);

    bool hasPendingDatagrams() const;

    qint64 pendingDatagramSize() const;

#endif // QT_NO_UDPSOCKET

    qint64 bytesToWrite() const;

    int option(SocketOption option) const;

    bool setOption(SocketOption option, int value);

    bool waitForRead(int msecs = 30000, bool *timedOut = 0);

    bool waitForWrite(int msecs = 30000, bool *timedOut = 0);

    bool waitForReadOrWrite(bool *readyToRead, bool *readyToWrite,

                            bool checkRead, bool checkWrite,

                            int msecs = 30000, bool *timedOut = 0);

    bool isReadNotificationEnabled() const;

    void setReadNotificationEnabled(bool enable);

    bool isWriteNotificationEnabled() const;

    void setWriteNotificationEnabled(bool enable);

    bool isExceptionNotificationEnabled() const;

    void setExceptionNotificationEnabled(bool enable);

public slots:

    void slotSocketConnected();

    void slotSocketDisconnected();

    void slotSocketReadNotification();

    void slotSocketBytesWritten();

    void slotSocketError(QAbstractSocket::SocketError error);

    void slotSocketStateChanged(QAbstractSocket::SocketState state);

private slots:

    void emitPendingReadNotification();

    void emitPendingWriteNotification();

    void emitPendingConnectionNotification();

private:

    void emitReadNotification();

    void emitWriteNotification();

    void emitConnectionNotification();

    Q_DECLARE_PRIVATE(QHttpSocketEngine)

    Q_DISABLE_COPY(QHttpSocketEngine)

};

class QHttpSocketEnginePrivate : public QAbstractSocketEnginePrivate

{

    Q_DECLARE_PUBLIC(QHttpSocketEngine)

public:

    QHttpSocketEnginePrivate();

    ~QHttpSocketEnginePrivate();

    QNetworkProxy proxy;

    QString peerName;

    QTcpSocket *socket;

    QByteArray readBuffer; // only used for parsing the proxy response

    QHttpSocketEngine::HttpState state;

    QAuthenticator authenticator;

    bool readNotificationEnabled;

    bool writeNotificationEnabled;

    bool exceptNotificationEnabled;

    bool readNotificationActivated;

    bool writeNotificationActivated;

    bool readNotificationPending;

    bool writeNotificationPending;

    bool connectionNotificationPending;

    uint pendingResponseData;

};

class Q_AUTOTEST_EXPORT QHttpSocketEngineHandler : public QSocketEngineHandler

{

public:

    virtual QAbstractSocketEngine *createSocketEngine(QAbstractSocket::SocketType socketType,

                                                      const QNetworkProxy &, QObject *parent);

    virtual QAbstractSocketEngine *createSocketEngine(int socketDescripter, QObject *parent);

};

#endif

QT_END_NAMESPACE

#endif // QHTTPSOCKETENGINE_H