1 /**

     2    This file is part of CWRT package **

     3 

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

     5 

     6    This program is free software: you can redistribute it and/or modify

     7    it under the terms of the GNU (Lesser) General Public License as 

     8    published by the Free Software Foundation, version 2.1 of the License. 

     9    This program is distributed in the hope that it will be useful, but

    10    WITHOUT ANY WARRANTY; without even the implied warranty of 

    11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 

    12    (Lesser) General Public License for more details. You should have 

    13    received a copy of the GNU (Lesser) General Public License along 

    14    with this program. If not, see <http://www.gnu.org/licenses/>.

    15 */

    16 

    17 #ifndef OMADOWNLOADBACKEND_H

    18 #define OMADOWNLOADBACKEND_H

    19 

    20 #include "dmcommon.h"

    21 #include "dmcommoninternal.h"

    22 #include "dmpimpl.h"

    23 #include "downloadbackend.h"

    24 

    25 // forward declarations

    26 class OMADownloadBackendPrivate;

    27 class DownloadCore;

    28 class ClientDownload;

    29 

    30 typedef QList<ClientDownload*> MediaDownloadList;

    31 

    32 // class declaration

    33 

    34 // concrete download implementation for OMA downloads

    35 class OMADownloadBackend : public DownloadBackend

    36 {

    37     Q_OBJECT

    38     DM_DECLARE_PRIVATE(OMADownloadBackend); // private implementation

    39 public:

    40     OMADownloadBackend(DownloadCore *dlCore, ClientDownload *dl);

    41     ~OMADownloadBackend();

    42 

    43     // fetches the oma download attributes

    44     QVariant getAttribute(DownloadAttribute attr);

    45     // sets the oma download specific attributes

    46     int setAttribute(DownloadAttribute attr, const QVariant& value);

    47     // overloaded function for pausing the download

    48     int pause();

    49     // overloaded function for resuming paused download

    50     int resume();

    51     // overloaded function for cancelling the download

    52     int cancel();

    53 

    54     // stores the data in storage

    55     void store(QByteArray data, bool lastChunk=false);

    56     // deletes the storage

    57     void deleteStore();

    58     // returns the size of stored data

    59     qint64 storedDataSize();

    60 

    61 private slots:

    62     void bytesRecieved(qint64 bytesRecieved, qint64 bytesTotal);

    63     void handleFinished();    

    64     void bytesUploaded(qint64, qint64); 

    65 private:

    66     // parses download descriptor

    67     bool parseDownloadDescriptor();

    68     // does the capability check on receiving DD

    69     bool checkDownloadDescriptor();

    70     // event handler

    71     bool event(QEvent *event);

    72 };

    73 

    74 #endif