source: trunk/src/network/access/qnetworkreplyimpl_p.h@ 769

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**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation ([email protected])
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** This file is part of the QtNetwork module of the Qt Toolkit.
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** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
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#ifndef QNETWORKREPLYIMPL_P_H
#define QNETWORKREPLYIMPL_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of the Network Access API.  This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//

#include "qnetworkreply.h"
#include "qnetworkreply_p.h"
#include "qnetworkaccessmanager.h"
#include "qnetworkproxy.h"
#include "QtCore/qmap.h"
#include "QtCore/qqueue.h"
#include "QtCore/qbuffer.h"
#include "private/qringbuffer_p.h"
#include "private/qbytedata_p.h"

QT_BEGIN_NAMESPACE

class QAbstractNetworkCache;
class QNetworkAccessBackend;

class QNetworkReplyImplPrivate;
class QNetworkReplyImpl: public QNetworkReply
{
    Q_OBJECT
public:
    QNetworkReplyImpl(QObject *parent = 0);
    ~QNetworkReplyImpl();
    virtual void abort();

    // reimplemented from QNetworkReply
    virtual void close();
    virtual qint64 bytesAvailable() const;
    virtual void setReadBufferSize(qint64 size);

    virtual qint64 readData(char *data, qint64 maxlen);
    virtual bool event(QEvent *);

#ifndef QT_NO_OPENSSL
    Q_INVOKABLE QSslConfiguration sslConfigurationImplementation() const;
    Q_INVOKABLE void setSslConfigurationImplementation(const QSslConfiguration &configuration);
    virtual void ignoreSslErrors();
    Q_INVOKABLE virtual void ignoreSslErrorsImplementation(const QList<QSslError> &errors);
#endif

    Q_DECLARE_PRIVATE(QNetworkReplyImpl)
    Q_PRIVATE_SLOT(d_func(), void _q_startOperation())
    Q_PRIVATE_SLOT(d_func(), void _q_copyReadyRead())
    Q_PRIVATE_SLOT(d_func(), void _q_copyReadChannelFinished())
    Q_PRIVATE_SLOT(d_func(), void _q_bufferOutgoingData())
    Q_PRIVATE_SLOT(d_func(), void _q_bufferOutgoingDataFinished())
};

class QNetworkReplyImplPrivate: public QNetworkReplyPrivate
{
public:
    enum InternalNotifications {
        NotifyDownstreamReadyWrite,
        NotifyCloseDownstreamChannel,
        NotifyCopyFinished
    };

    enum State {
        Idle,
        Buffering,
        Working,
        Finished,
        Aborted
    };

    typedef QQueue<InternalNotifications> NotificationQueue;

    QNetworkReplyImplPrivate();

    void _q_startOperation();
    void _q_sourceReadyRead();
    void _q_sourceReadChannelFinished();
    void _q_copyReadyRead();
    void _q_copyReadChannelFinished();
    void _q_bufferOutgoingData();
    void _q_bufferOutgoingDataFinished();

    void setup(QNetworkAccessManager::Operation op, const QNetworkRequest &request,
               QIODevice *outgoingData);

    void pauseNotificationHandling();
    void resumeNotificationHandling();
    void backendNotify(InternalNotifications notification);
    void handleNotifications();