--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/utilities/downloadmanager/inc/downloadcore.h	Fri Oct 15 17:30:59 2010 -0400
@@ -0,0 +1,106 @@
+/**
+   This file is part of CWRT package **
+
+   Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). **
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU (Lesser) General Public License as 
+   published by the Free Software Foundation, version 2.1 of the License. 
+   This program is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of 
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 
+   (Lesser) General Public License for more details. You should have 
+   received a copy of the GNU (Lesser) General Public License along 
+   with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef DOWNLOAD_CORE_H_
+#define DOWNLOAD_CORE_H_
+
+#include <QObject>
+#include <QNetworkReply>
+#include "dmpimpl.h"
+
+// forward declarations
+class QNetworkAccessManager;
+class DownloadCorePrivate; 
+class QNetworkProxy;
+
+// class declaration
+class  DownloadCore : public QObject
+{
+    Q_OBJECT
+    DM_DECLARE_PRIVATE(DownloadCore); // private implementation
+
+public:
+    // to start new download transaction
+    DownloadCore(const QString &aUrl);
+    // to carry forward the downloads transaction which has been started already
+    DownloadCore(QNetworkReply *reply);
+    virtual ~DownloadCore();
+private:
+    // default constructor made private to enforce creation of object only 
+    // by passing url or network reply
+    DownloadCore(void){};
+
+signals:
+    void finished(void);
+    void downloadProgress(qint64 bytesReceived, qint64 bytesTotal);
+    void metaDataChanged(); 
+    void error(QNetworkReply::NetworkError code);
+    void uploadProgress( qint64 bytesSent, qint64 bytesTotal );
+
+private slots:
+    void parseHeaders(void);
+
+private: // copy constructor and assaignment operator
+      DownloadCore(const DownloadCore &);
+      DownloadCore &operator=(const DownloadCore &);
+    
+public:
+    // starts the new download transaction if it is not started already addition with
+    // all necessary initialisarion or does initialisation if the transaction has been already started
+    int doDownload(void);
+    // for http "post" requests
+    int post(const QString& url, const QByteArray& data);
+    // pauses the download transaction
+    int resumeDownload(qint64 startOffeset);
+    // aborts the network transaction
+    int abort(void);
+    // sets the proxy
+    void setProxy(QNetworkProxy *proxy);
+    // returnts the url
+    QString& url(void);
+    // start download from given url
+    void changeUrl(QString& url);
+    // returns the network reply
+    QNetworkReply* reply(void);
+    // returns the network access manager
+    QNetworkAccessManager* networkAccessManager(void);
+    // returns the content type
+    QString& contentType(void);
+    // returns the content type
+    QString& entityTag(void);
+    // returns the total size
+    qint64 sizeInHeader(void);
+    // returns the last error occurred
+    QNetworkReply::NetworkError lastError(void);
+    // returns the last error string
+    QString lastErrorString();
+    // returns proxy
+    QNetworkProxy* proxy();
+    // returns file name from content disposition header
+    QString fileNameFromContentDispositionHeader();
+
+    // the following funtions used in the cases where 
+    // download has loaded from persistant state. Careful 
+    // while usig the following functions in normal cases
+    void setContentType(const QString& contentType);
+    void setEntityTag(const QString& entityTag);
+    // the folowing setLastError and setLastErrorString should be used
+    // together to keep the consistancy between error code and error string
+    void setLastError(QNetworkReply::NetworkError code);
+    void setLastErrorString(const QString& errStr); 
+};
+
+#endif /*DOWNLOAD_CORE_H_*/