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diff --git a/src/network/access/qnetworkaccesshttpbackend_p.h b/src/network/access/qnetworkaccesshttpbackend_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2011 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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"
+#include "QtCore/qsharedpointer.h"
+#include "qatomic.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 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;
+
+    // we return true since HTTP needs to send PUT/POST data again after having authenticated
+    bool needsResetableUploadData() { return true; }
+
+    bool canResume() const;
+    void setResumeOffset(quint64 offset);
+
+signals:
+    // To HTTP thread:
+    void startHttpRequest();
+    void abortHttpRequest();
+
+    void startHttpRequestSynchronously();
+
+    void haveUploadData(QByteArray dataArray, bool dataAtEnd, qint64 dataSize);
+private slots:
+    // From HTTP thread:
+    void replyDownloadData(QByteArray);
+    void replyFinished();
+    void replyDownloadMetaData(QList<QPair<QByteArray,QByteArray> >,int,QString,bool,QSharedPointer<char>,qint64);
+    void replyDownloadProgressSlot(qint64,qint64);
+    void httpAuthenticationRequired(const QHttpNetworkRequest &request, QAuthenticator *auth);
+    void httpError(QNetworkReply::NetworkError error, const QString &errorString);
+#ifndef QT_NO_OPENSSL
+    void replySslErrors(const QList<QSslError> &, bool *, QList<QSslError> *);
+    void replySslConfigurationChanged(const QSslConfiguration&);
+#endif
+
+    // From QNonContiguousByteDeviceThreadForwardImpl in HTTP thread:
+    void resetUploadDataSlot(bool *r);
+    void wantUploadDataSlot(qint64);
+    void sentUploadDataSlot(qint64);
+
+    bool sendCacheContents(const QNetworkCacheMetaData &metaData);
+
+private:
+    QHttpNetworkRequest httpRequest; // There is also a copy in the HTTP thread
+    int statusCode;
+    QString reasonPhrase;
+    // Will be increased by HTTP thread:
+    QSharedPointer<QAtomicInt> pendingDownloadDataEmissions;
+    QSharedPointer<QAtomicInt> pendingDownloadProgressEmissions;
+    bool loadingFromCache;
+    QByteDataBuffer pendingDownloadData;
+    bool usingZerocopyDownloadBuffer;
+
+#ifndef QT_NO_OPENSSL
+    QSslConfiguration *pendingSslConfiguration;
+    bool pendingIgnoreAllSslErrors;
+    QList<QSslError> pendingIgnoreSslErrorsList;
+#endif
+
+    quint64 resumeOffset;
+
+    bool loadFromCacheIfAllowed(QHttpNetworkRequest &httpRequest);
+    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