/*

* 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;

    }