/*

* 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:

*

*/

#include "tsmodel.h"

// -----------------------------------------------------------------------------

/**

 * Constructor

 * @param aModel - data owner

 * @param aOffset - data index

 */

TTsModelItem::TTsModelItem( const MTsModel& aModel, TInt aOffset )

:

iModel( aModel ),

iIndex( aOffset )

    {

    //No implementation required

    }

// -----------------------------------------------------------------------------

/**

 * Copy constructor

 * @param aItem - template item

 */

TTsModelItem::TTsModelItem( const TTsModelItem& aItem )

:

iModel( aItem.iModel ),

iIndex( aItem.iIndex )

    {

    //No implementation required

    }

// -----------------------------------------------------------------------------

/**

 * Validate item instance and retrieve display name data

 * @return item display name

 */

const TDesC& TTsModelItem::DisplayNameL() const

    {

    ValidateL();

    return iModel.DisplayNameL( iIndex );

    }

// -----------------------------------------------------------------------------

/**

 * Validate item instance and retrieve icon handle ( CFbsBitmap handle )

 * @return item icon handle

 */

TInt TTsModelItem::IconHandleL() const

    {

    ValidateL();

    return iModel.IconHandleL( iIndex );

    }

// -----------------------------------------------------------------------------

/**

 * Validate item instance and retrieve entry key

 * @return item key

 */

TTsModelItemKey TTsModelItem::KeyL() const

    {

    ValidateL();

    return iModel.KeyL( iIndex );

    }

// -----------------------------------------------------------------------------

/**

 * Validate item instance and retrieve entry timestamp

 * @return item timestamp

 */

TTime TTsModelItem::TimestampL() const

    {

    ValidateL();

    return iModel.TimestampL( iIndex );

    }

// -----------------------------------------------------------------------------

/**

 * Validate item instance and retrieve timestamp

 * with latest update time

 * @return item timestamp

 */

TTime TTsModelItem::TimestampUpdateL() const 

{

    ValidateL();

    return iModel.TimestampUpdateL(iIndex);

}

// -----------------------------------------------------------------------------

/**

 * Validate item instance and retrieve activity status 

 * @return activity status

 */

TBool TTsModelItem::IsActiveL() const

    {

    ValidateL();

    return iModel.IsActiveL( iIndex );

    }

// -----------------------------------------------------------------------------

/**

 * Validate item instance and retrieve closable status 

 * @return closable status

 */

TBool TTsModelItem::IsClosableL() const

    {

    ValidateL();

    return iModel.IsClosableL( iIndex );

    }

// -----------------------------------------------------------------------------

/**

 * Validate item instance and forward close request to its owner 

 * @return EFalse on failure

 */

TBool TTsModelItem::CloseL() const

    {

    ValidateL();

    return iModel.CloseL( KeyL() );

    }

// -----------------------------------------------------------------------------

/**

 * Validate item instance and forward launch request to its owner 

 * @return EFalse on failure

 */

TBool TTsModelItem::LaunchL() const

    {

    ValidateL();

    return iModel.LaunchL( KeyL() );

    }

// -----------------------------------------------------------------------------

/**

 * Validate item instance 

 */

void TTsModelItem::ValidateL() const

    {

    if(iModel.Count() <= iIndex )

        {

        User::Leave( KErrOverflow );

        }

    }

// -----------------------------------------------------------------------------

/**

 * Serialize item into destination stream

 * @param aStream - output stream 

 */

void TTsModelItem::ExternalizeL( RWriteStream& aStream ) const

    {

    aStream.WriteInt32L( DisplayNameL().Length() );

    if( 0 < DisplayNameL().Length() )

        {

        aStream << DisplayNameL();

        }

    TPckgBuf<TTime> timestamp(TimestampUpdateL()); 

    aStream.WriteL(timestamp);

    aStream.WriteInt32L( IconHandleL() );

    aStream.WriteInt32L( TTsModelItemKey::Size() );

    aStream << KeyL();

    aStream.WriteInt32L( IsActiveL() );

    aStream.WriteInt32L( IsClosableL() );

    }