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 DOWNLOADSTORE_H

    18 #define DOWNLOADSTORE_H

    19 

    20 #include <QObject>

    21 #include <QByteArray>

    22 #include <QIODevice>

    23 

    24 // class declaration

    25 

    26 // abstract class for all concrete storage implementations

    27 class DownloadStore 

    28 {

    29 public:

    30     virtual ~DownloadStore(){}

    31 

    32     // to write the data to storage

    33     virtual int write(const QByteArray& data,bool lastChunk=0) = 0 ;

    34     // closes storage

    35     virtual int close() = 0 ;

    36     // opens storage

    37     virtual int open(QIODevice::OpenMode) = 0;

    38     // creates the storage

    39     virtual int createStore() = 0;

    40     // deletes the storage

    41     virtual int deleteStore() = 0;

    42     // returns the size of stored data in the storage

    43     virtual int storedDataSize() = 0;

    44 };    

    45 

    46 #endif