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#ifndef QNETWORKACCESSHTTPBACKEND_P_H

#define QNETWORKACCESSHTTPBACKEND_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 "qhttpnetworkconnection_p.h"

#include "qnetworkaccessbackend_p.h"

#include "qnetworkrequest.h"

#include "qnetworkreply.h"

#include "qabstractsocket.h"

#include "QtCore/qpointer.h"

#include "QtCore/qdatetime.h"

#ifndef QT_NO_HTTP

QT_BEGIN_NAMESPACE

class QNetworkAccessCachedHttpConnection;

class QNetworkAccessHttpBackendIODevice;

class QNetworkAccessHttpBackend: public QNetworkAccessBackend

{

    Q_OBJECT

public:

    QNetworkAccessHttpBackend();

    virtual ~QNetworkAccessHttpBackend();

    virtual void open();

    virtual void closeDownstreamChannel();

    virtual bool waitForDownstreamReadyRead(int msecs);

    virtual void downstreamReadyWrite();

    virtual void setDownstreamLimited(bool b);

    virtual void copyFinished(QIODevice *);

#ifndef QT_NO_OPENSSL

    virtual void ignoreSslErrors();

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

    virtual void fetchSslConfiguration(QSslConfiguration &configuration) const;

    virtual void setSslConfiguration(const QSslConfiguration &configuration);

#endif

    QNetworkCacheMetaData fetchCacheMetaData(const QNetworkCacheMetaData &metaData) const;

    qint64 deviceReadData(char *buffer, qint64 maxlen);

    // we return true since HTTP needs to send PUT/POST data again after having authenticated

    bool needsResetableUploadData() { return true; }

private slots:

    void replyReadyRead();

    void replyFinished();

    void replyHeaderChanged();

    void httpAuthenticationRequired(const QHttpNetworkRequest &request, QAuthenticator *auth);

    void httpError(QNetworkReply::NetworkError error, const QString &errorString);

    bool sendCacheContents(const QNetworkCacheMetaData &metaData);

    void finished(); // override

private:

    QHttpNetworkReply *httpReply;

    QPointer<QNetworkAccessCachedHttpConnection> http;

    QByteArray cacheKey;

    QNetworkAccessBackendUploadIODevice *uploadDevice;

#ifndef QT_NO_OPENSSL

    QSslConfiguration *pendingSslConfiguration;

    bool pendingIgnoreAllSslErrors;

    QList<QSslError> pendingIgnoreSslErrorsList;

#endif

    void disconnectFromHttp();

    void setupConnection();

    void validateCache(QHttpNetworkRequest &httpRequest, bool &loadedFromCache);

    void invalidateCache();

    void postRequest();

    void readFromHttp();

    void checkForRedirect(const int statusCode);

};

class QNetworkAccessHttpBackendFactory : public QNetworkAccessBackendFactory

{

public:

    virtual QNetworkAccessBackend *create(QNetworkAccessManager::Operation op,

                                          const QNetworkRequest &request) const;

};

QT_END_NAMESPACE

#endif // QT_NO_HTTP

#endif