diff -r 2bb96f4ecad8 -r 8e7494275d3a omads/omadsextensions/adapters/mediads/src/snapshotitem.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/omads/omadsextensions/adapters/mediads/src/snapshotitem.cpp	Tue Aug 31 15:05:37 2010 +0300
@@ -0,0 +1,200 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Part of SyncML Data Synchronization Plug In Adapter
+*
+*/
+
+
+
+#include <S32STRM.h>
+
+#include "snapshotitem.h"
+
+
+// -----------------------------------------------------------------------------
+// TSnapshotItem::TSnapshotItem
+// C++ default constructor can NOT contain any code, that might leave
+// -----------------------------------------------------------------------------
+TSnapshotItem::TSnapshotItem()
+    {
+    SetItemId( 0 );
+    SetParentId( 0 );
+    }
+
+// -----------------------------------------------------------------------------
+// TSnapshotItem::TSnapshotItem
+// Constructor, takes item id as a parameter
+// -----------------------------------------------------------------------------
+TSnapshotItem::TSnapshotItem( const TSmlDbItemUid& aItemId,
+    const TSmlDbItemUid& aParent )
+    {
+    SetItemId( aItemId );
+    SetParentId( aParent );
+    }
+
+// -----------------------------------------------------------------------------
+// TSnapshotItem::ExternalizeL
+// Writes the contents of this class to stream
+// -----------------------------------------------------------------------------
+void TSnapshotItem::ExternalizeL( RWriteStream& aStream ) const
+    {
+    aStream.WriteInt32L( iItemId );
+    aStream.WriteInt32L( iParentId );
+    
+    TPckgBuf<THashValue> nameBuf(iHash);
+    
+    aStream << nameBuf;
+    }
+
+// -----------------------------------------------------------------------------
+// TSnapshotItem::InternalizeL
+// Reads the contents of this class from stream
+// -----------------------------------------------------------------------------
+void TSnapshotItem::InternalizeL( RReadStream& aStream )
+    {
+    iItemId = aStream.ReadInt32L();
+    iParentId = aStream.ReadInt32L();
+    
+    TPckgBuf<THashValue> nameBuf;
+	aStream >> nameBuf;
+	iHash = nameBuf();
+    }
+
+const TSmlDbItemUid& TSnapshotItem::ItemId() const
+    {
+    return iItemId;
+    }
+
+void TSnapshotItem::SetItemId( const TSmlDbItemUid& aItemId )
+    {
+    iItemId = aItemId;
+    }
+
+
+const TSmlDbItemUid& TSnapshotItem::ParentId() const
+    {
+    return iParentId;
+    }
+
+void TSnapshotItem::SetParentId( const TSmlDbItemUid& aParentId )
+    {
+    iParentId = aParentId;
+    }
+
+
+void TSnapshotItem::SetItemHash( const TDesC& aFolderName, CMD5& aHasher )
+    {
+    TPtrC8 narrowFolder;
+    TInt narrowFolderLen = 0;
+
+    narrowFolderLen = aFolderName.Length()*2;
+    narrowFolder.Set((TUint8*)aFolderName.Ptr(), narrowFolderLen);
+    
+    aHasher.Reset();
+    aHasher.Update( narrowFolder );
+    
+    iHash = aHasher.Final();
+    
+    }
+
+void TSnapshotItem::SetItemHash( const CSongItem& aSongItem, CMD5& aHasher )
+    {
+    TPtrC8 narrowData;
+    TInt narrowDataLen = 0;
+
+    
+    aHasher.Reset();
+    
+    narrowDataLen = aSongItem.Uri().Length()*2;
+    narrowData.Set((TUint8*)aSongItem.Uri().Ptr(), narrowDataLen);
+    aHasher.Update( narrowData );
+    
+    narrowDataLen = aSongItem.Title().Length()*2;
+    narrowData.Set((TUint8*)aSongItem.Title().Ptr(), narrowDataLen);
+    aHasher.Update( narrowData );
+    
+    narrowDataLen = aSongItem.MimeType().Length()*2;
+    narrowData.Set((TUint8*)aSongItem.MimeType().Ptr(), narrowDataLen);
+    aHasher.Update( narrowData );
+    
+    narrowDataLen = aSongItem.Artist().Length()*2;
+    narrowData.Set((TUint8*)aSongItem.Artist().Ptr(), narrowDataLen);
+    aHasher.Update( narrowData );
+    
+    narrowDataLen = aSongItem.Album().Length()*2;
+    narrowData.Set((TUint8*)aSongItem.Album().Ptr(), narrowDataLen);
+    aHasher.Update( narrowData );
+    
+    narrowDataLen = aSongItem.Genre().Length()*2;
+    narrowData.Set((TUint8*)aSongItem.Genre().Ptr(), narrowDataLen);
+    aHasher.Update( narrowData );
+    
+    narrowDataLen = aSongItem.Comment().Length()*2;
+    narrowData.Set((TUint8*)aSongItem.Comment().Ptr(), narrowDataLen);
+    aHasher.Update( narrowData );
+    
+    narrowDataLen = aSongItem.Composer().Length()*2;
+    narrowData.Set((TUint8*)aSongItem.Composer().Ptr(), narrowDataLen);
+    aHasher.Update( narrowData );
+    
+    narrowDataLen = aSongItem.MimeType().Length()*2;
+    narrowData.Set((TUint8*)aSongItem.MimeType().Ptr(), narrowDataLen);
+    aHasher.Update( narrowData );
+    
+    const TInt KNumberMaxLength(11);
+    TBuf8<KNumberMaxLength> temp;
+    temp.Num( aSongItem.Year() );
+    aHasher.Update( temp );
+    
+    temp.Num( aSongItem.AlbumTrack() );
+    aHasher.Update( temp );
+    
+    temp.Num( aSongItem.Rating() );
+    aHasher.Update( temp );   
+    
+    temp.Num( aSongItem.Duration() );
+    aHasher.Update( temp );
+    
+    iHash.Copy( aHasher.Final() );
+    
+    }
+
+void TSnapshotItem::SetItemHash( const CPlaylistItem& aPlaylist, CMD5& aHasher )
+    {
+    TPtrC8 narrowData;
+    TInt narrowDataLen = 0;
+    
+    aHasher.Reset();
+    narrowDataLen = aPlaylist.Title().Length()*2;
+    narrowData.Set((TUint8*)aPlaylist.Title().Ptr(), narrowDataLen);
+    aHasher.Update( narrowData );
+    
+    narrowDataLen = aPlaylist.Url().Length()*2;
+    narrowData.Set((TUint8*)aPlaylist.Url().Ptr(), narrowDataLen);
+    aHasher.Update( narrowData );
+    
+    for (TInt i=0; i<aPlaylist.ItemCount(); i++ )
+        {
+        TPtrC16 song = aPlaylist.ItemAt(i);
+        narrowDataLen = song.Length()*2;
+        narrowData.Set((TUint8*)song.Ptr(), narrowDataLen);
+        aHasher.Update( narrowData );
+        }
+    iHash.Copy( aHasher.Final() );
+    }
+
+const TDesC8& TSnapshotItem::Hash() const
+    {
+    return iHash;
+    }