utilities/downloadmanager/inc/omadownloadbackend.h
changeset 16 3c88a81ff781
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/utilities/downloadmanager/inc/omadownloadbackend.h	Fri Oct 15 17:30:59 2010 -0400
@@ -0,0 +1,74 @@
+/**
+   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 OMADOWNLOADBACKEND_H
+#define OMADOWNLOADBACKEND_H
+
+#include "dmcommon.h"
+#include "dmcommoninternal.h"
+#include "dmpimpl.h"
+#include "downloadbackend.h"
+
+// forward declarations
+class OMADownloadBackendPrivate;
+class DownloadCore;
+class ClientDownload;
+
+typedef QList<ClientDownload*> MediaDownloadList;
+
+// class declaration
+
+// concrete download implementation for OMA downloads
+class OMADownloadBackend : public DownloadBackend
+{
+    Q_OBJECT
+    DM_DECLARE_PRIVATE(OMADownloadBackend); // private implementation
+public:
+    OMADownloadBackend(DownloadCore *dlCore, ClientDownload *dl);
+    ~OMADownloadBackend();
+
+    // fetches the oma download attributes
+    QVariant getAttribute(DownloadAttribute attr);
+    // sets the oma download specific attributes
+    int setAttribute(DownloadAttribute attr, const QVariant& value);
+    // overloaded function for pausing the download
+    int pause();
+    // overloaded function for resuming paused download
+    int resume();
+    // overloaded function for cancelling the download
+    int cancel();
+
+    // stores the data in storage
+    void store(QByteArray data, bool lastChunk=false);
+    // deletes the storage
+    void deleteStore();
+    // returns the size of stored data
+    qint64 storedDataSize();
+
+private slots:
+    void bytesRecieved(qint64 bytesRecieved, qint64 bytesTotal);
+    void handleFinished();    
+    void bytesUploaded(qint64, qint64); 
+private:
+    // parses download descriptor
+    bool parseDownloadDescriptor();
+    // does the capability check on receiving DD
+    bool checkDownloadDescriptor();
+    // event handler
+    bool event(QEvent *event);
+};
+
+#endif