diff -r 9905f7d46607 -r b63e67867dcd omads/omadsextensions/adapters/mediads/inc/snapshotitem.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/omads/omadsextensions/adapters/mediads/inc/snapshotitem.h	Tue Jul 13 03:39:25 2010 +0530
@@ -0,0 +1,133 @@
+/*
+* 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:  Private snapshot item header
+*
+*/
+
+
+#ifndef __SNAPSHOTITEM_H__
+#define __SNAPSHOTITEM_H__
+
+// INCLUDES
+#include <syncml/SmlDataSyncDefs.h>
+#include <hash.h>
+#include "mediadsproviderdefs.h"
+#include "songitem.h"
+#include "playlistitem.h"
+
+typedef TBuf<KMaxFolderNameLength> TFolderName;
+
+// CLASS DECLARATION
+
+/**
+ * @brief TSnapshotItem
+ * This class represents a single item in the ChangeFinder snapshot.
+ * 
+ */
+
+// Defines the maximum length of a hash.
+const TInt KMaxHashLength = 16;
+typedef TBuf8<KMaxHashLength> THashValue;
+
+class TSnapshotItem
+	{ 
+public:
+	
+	/**
+    * Constructor
+    */
+	TSnapshotItem();
+
+	/**
+    * Constructor
+    * 
+    * @param aItemId   IN: id of the item.
+    * @param aParent   IN: parent item, 0 as default.
+    * @param aUnread   IN: read/unread information, the default is read.
+    */
+	TSnapshotItem( const TSmlDbItemUid& aItemId,
+	    const TSmlDbItemUid& aParent = 0 );
+	
+	/**
+    * Writes the item to a stream.
+    * 
+    * @param aStream   IN: a reference to a stream, where this item is to be written.
+    */
+	void ExternalizeL( RWriteStream& aStream ) const;
+
+	/**
+    * Reads item from a stream.
+    * 
+    * @param aStream   IN: a reference to a stream, where this item is read from.
+    */
+	void InternalizeL( RReadStream& aStream );	
+	
+	/**
+    * Getter for item UID value.
+    * @return const TSmlDbItemUid& item UID.
+    */
+    const TSmlDbItemUid& ItemId() const;
+
+    /**
+    * Setter for item UID value.
+    * @param aItemId item UID.
+    */
+    void SetItemId( const TSmlDbItemUid& aItemId );
+
+    /**
+    * Getter for parent UID value.
+    * @return const TSmlDbItemUid& parent UID.
+    */
+    const TSmlDbItemUid& ParentId() const;
+
+    /**
+    * Setter for parent UID value.
+    * @param aParentId parent UID.
+    */
+    void SetParentId( const TSmlDbItemUid& aParentId );
+	
+    /**
+     * Generate hash value from foldername
+     * @param aFolderName foldername
+     * @param CMD5& aHasher MD5 hasher
+     */
+	void SetItemHash( const TDesC& aFolderName, CMD5& aHasher );
+	
+	/**
+     * Generate hash value from aSongItem content
+     * @param aSongItem song item
+     * @param CMD5& aHasher MD5 hasher
+     */
+	void SetItemHash( const CSongItem& aSongItem, CMD5& aHasher );
+	
+	/**
+     * Generate hash value from aPlaylist content
+     * @param aPlaylist aPlaylist
+     * @param CMD5& aHasher MD5 hasher
+     */
+	void SetItemHash( const CPlaylistItem& aPlaylist, CMD5& aHasher );
+	
+	/**
+	 * Getter for generated hash value.
+	 * @return const TDesC8& hash value
+	 */
+	const TDesC8& Hash() const;
+	
+private:
+	TSmlDbItemUid iItemId;
+	TSmlDbItemUid iParentId;
+    THashValue    iHash;
+    };
+
+#endif