/*

* Copyright (c) 2005-2007 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:  Phonebook 2 contact link iterator.

*

*/

#include "CPbk2ContactViewIterator.h"

// Virtual Phonebook

#include <MVPbkContactViewBase.h>

#include <MVPbkViewContact.h>

/// Unnamed namespace for local definitions

namespace {

    const TInt KAtFirstElement( 0 );

} /// namespace

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

// CPbk2ContactViewIterator::CPbk2ContactViewIterator

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

//    

inline CPbk2ContactViewIterator::CPbk2ContactViewIterator

        ( MVPbkContactViewBase& aView, TArray<TInt> aSelectedIndexes )  :

            iView( aView ), 

            iSelectedIndexes( aSelectedIndexes ), 

            iCursor( KAtFirstElement )

    {

    }

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

// CPbk2ContactViewIterator::~CPbk2ContactViewIterator

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

//     

CPbk2ContactViewIterator::~CPbk2ContactViewIterator()    

    {

    }

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

// CPbk2ContactViewIterator::NewLC

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

//     

CPbk2ContactViewIterator* CPbk2ContactViewIterator::NewLC

        ( MVPbkContactViewBase& aView,

          TArray<TInt> aSelectedIndexes )

    {

    CPbk2ContactViewIterator* self = 

        new (ELeave) CPbk2ContactViewIterator( aView, aSelectedIndexes );

    CleanupStack::PushL( self );

    return self;

    }

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

// CPbk2ContactViewIterator::HasNext

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

//     

TBool CPbk2ContactViewIterator::HasNext() const

    {

    TBool ret = EFalse;

    if ( iCursor < iSelectedIndexes.Count() )

        {

        ret = ETrue;

        }

    return ret;

    }

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

// CPbk2ContactViewIterator::HasPrevious

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

//     

TBool CPbk2ContactViewIterator::HasPrevious() const

    {

    TBool ret = EFalse;

    if ( iCursor > KAtFirstElement )

        {

        ret = ETrue;

        }

    return ret;

    }

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

// CPbk2ContactViewIterator::NextL

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

// 

MVPbkContactLink* CPbk2ContactViewIterator::NextL()

    {

    MVPbkContactLink* link = NULL;

    if ( HasNext() )

        {

        link = iView.ContactAtL

            ( iSelectedIndexes[ iCursor ] ).CreateLinkLC();

        CleanupStack::Pop(); // link

        ++iCursor;

        }

    return link;

    }

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

// CPbk2ContactViewIterator::PreviousL

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

//     

MVPbkContactLink* CPbk2ContactViewIterator::PreviousL()

    {

    MVPbkContactLink* link = NULL;

    if ( HasPrevious() )

        {

        --iCursor;

        link = iView.ContactAtL

            ( iSelectedIndexes[ iCursor ] ).CreateLinkLC();

        CleanupStack::Pop(); // link    

        }

    return link;    

    }

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

// CPbk2ContactViewIterator::SetToFirst

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

//     

void CPbk2ContactViewIterator::SetToFirst()

    {

    iCursor = KAtFirstElement;

    }

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

// CPbk2ContactViewIterator::SetToLast

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

//     

void CPbk2ContactViewIterator::SetToLast()

    {

    iCursor = iSelectedIndexes.Count();

    }    

// End of File