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

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the QtNetwork module of the Qt Toolkit.

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** 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

** ensure the GNU Lesser General Public License version 2.1 requirements

** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

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** $QT_END_LICENSE$

**

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

#ifndef QNETWORKREPLY_H

#define QNETWORKREPLY_H

#include <QtCore/QIODevice>

#include <QtCore/QString>

#include <QtCore/QVariant>

#include <QtNetwork/QNetworkRequest>

#include <QtNetwork/QNetworkAccessManager>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Network)

class QUrl;

class QVariant;

class QAuthenticator;

class QSslConfiguration;

class QSslError;

class QNetworkReplyPrivate;

class Q_NETWORK_EXPORT QNetworkReply: public QIODevice

{

    Q_OBJECT

    Q_ENUMS(NetworkError)

public:

    enum NetworkError {

        NoError = 0,

        // network layer errors [relating to the destination server] (1-99):

        ConnectionRefusedError = 1,

        RemoteHostClosedError,

        HostNotFoundError,

        TimeoutError,

        OperationCanceledError,

        SslHandshakeFailedError,

        UnknownNetworkError = 99,

        // proxy errors (101-199):

        ProxyConnectionRefusedError = 101,

        ProxyConnectionClosedError,

        ProxyNotFoundError,

        ProxyTimeoutError,

        ProxyAuthenticationRequiredError,

        UnknownProxyError = 199,

        // content errors (201-299):

        ContentAccessDenied = 201,

        ContentOperationNotPermittedError,

        ContentNotFoundError,

        AuthenticationRequiredError,

        ContentReSendError,

        UnknownContentError = 299,

        // protocol errors

        ProtocolUnknownError = 301,

        ProtocolInvalidOperationError,

        ProtocolFailure = 399

    };

    ~QNetworkReply();

    virtual void abort() = 0;

    // reimplemented from QIODevice

    virtual void close();

    virtual bool isSequential() const;

    // like QAbstractSocket:

    qint64 readBufferSize() const;

    virtual void setReadBufferSize(qint64 size);

    QNetworkAccessManager *manager() const;

    QNetworkAccessManager::Operation operation() const;

    QNetworkRequest request() const;

    NetworkError error() const;

    bool isFinished() const;

    bool isRunning() const;

    QUrl url() const;

    // "cooked" headers

    QVariant header(QNetworkRequest::KnownHeaders header) const;

    // raw headers:

    bool hasRawHeader(const QByteArray &headerName) const;

    QList<QByteArray> rawHeaderList() const;

    QByteArray rawHeader(const QByteArray &headerName) const;

    // attributes

    QVariant attribute(QNetworkRequest::Attribute code) const;

#ifndef QT_NO_OPENSSL

    QSslConfiguration sslConfiguration() const;

    void setSslConfiguration(const QSslConfiguration &configuration);

    void ignoreSslErrors(const QList<QSslError> &errors);

#endif

public Q_SLOTS:

    virtual void ignoreSslErrors();

Q_SIGNALS:

    void metaDataChanged();

    void finished();

    void error(QNetworkReply::NetworkError);

#ifndef QT_NO_OPENSSL

    void sslErrors(const QList<QSslError> &errors);

#endif

    void uploadProgress(qint64 bytesSent, qint64 bytesTotal);

    void downloadProgress(qint64 bytesReceived, qint64 bytesTotal);

protected:

    QNetworkReply(QObject *parent = 0);

    QNetworkReply(QNetworkReplyPrivate &dd, QObject *parent);

    virtual qint64 writeData(const char *data, qint64 len);

    void setOperation(QNetworkAccessManager::Operation operation);

    void setRequest(const QNetworkRequest &request);

    void setError(NetworkError errorCode, const QString &errorString);

    void setUrl(const QUrl &url);

    void setHeader(QNetworkRequest::KnownHeaders header, const QVariant &value);

    void setRawHeader(const QByteArray &headerName, const QByteArray &value);

    void setAttribute(QNetworkRequest::Attribute code, const QVariant &value);

private:

    Q_DECLARE_PRIVATE(QNetworkReply)

};

QT_END_NAMESPACE

QT_END_HEADER

#endif