/*

* Copyright (c) 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:  

*

*/

#include "mmlistboxmodel.h"

#include "mmwidgetsconstants.h"

#include <eiktxlbm.h> 

#include "hnconvutils.h"

#include "hnsuiteobserver.h"

#include "hnsuitemodel.h"

#include "hnitemmodel.h"

#include "hnattributebase.h"

#include "hnattributeimage.h"

#include "hnmenuitemmodel.h"

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

//

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

//    

CMmListBoxModel::CMmListBoxModel() 

    : iSuiteModel( NULL )

	{

	}

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

//

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

// 

CMmListBoxModel::~CMmListBoxModel()

	{

    if (iSuiteModel)

    	{

        iSuiteModel->UnregisterSuiteObserver( this );

    	}

	}

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

//

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

// 

CMmListBoxModel* CMmListBoxModel::NewLC()

	{

	CMmListBoxModel* self = new (ELeave) CMmListBoxModel();

	CleanupStack::PushL(self);

	self->ConstructL();

	return self;

	}

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

//

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

// 

CMmListBoxModel* CMmListBoxModel::NewL()

	{

	CMmListBoxModel* self = CMmListBoxModel::NewLC();

	CleanupStack::Pop( self );

	return self;

	}

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

//

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

// 

void CMmListBoxModel::SetSuiteModelL( CHnSuiteModel * aSuiteModel )

    {   

    if (iSuiteModel)

        iSuiteModel->UnregisterSuiteObserver( this );

    iSuiteModel = aSuiteModel;

    UpdateDummyArrayDataL();

    if (iSuiteModel)

        iSuiteModel->RegisterSuiteObserverL( this, EPriorityNormal );

    }

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

//

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

// 

CHnAttributeBase* CMmListBoxModel::GetAttribute( TInt aIndex,

        const TDesC8 & aAttributeName )

    {

    CHnItemModel* item = (iSuiteModel) ? iSuiteModel->GetItemModel( iSuiteModel->IdByIndex( aIndex ) ) : NULL;

    return (item) ? item->GetAttribute( aAttributeName ) : NULL;

    }

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

//

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

// 

const TDesC8& CMmListBoxModel::GetAttributeAsText( TInt aIndex,

		const TDesC8 & aAttributeName )

    {

    CHnAttributeBase* attribute = GetAttribute( aIndex, aAttributeName );

    return (attribute) ? attribute->Value() : KNullDesC8;

    }

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

//

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

//

CHnIconHolder* CMmListBoxModel::GetAttributeAsRefCountedGraphics( TInt aIndex,

        const TDesC8 & aAttributeName, TSize* aDesiredIconSize)

    {

    CHnAttributeBase* attribute = GetAttribute( aIndex, aAttributeName );

    if ( !attribute || attribute->Type() != EImageAttribute )

        {

        return NULL;

        }

    return attribute->GetIconHolder( aDesiredIconSize );

    }

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

//

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

// 

void CMmListBoxModel::ConstructL()

	{

	CTextListBoxModel::ConstructL();

	}

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

//

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

// 

void CMmListBoxModel::UpdateDummyArrayDataL( )

    {

    CDesCArrayFlat* dataArray = static_cast<CDesC16ArrayFlat*>( ItemTextArray() );

    dataArray->Reset();

    for( TInt i(0); iSuiteModel && i < iSuiteModel->GetItemModelsCount(); i++ )

        {

        CHnItemModel* itemModel = iSuiteModel->GetItemModel( iSuiteModel->IdByIndex( i ) );

        CHnItemModel* emptyItem = iSuiteModel->GetItemModel( iSuiteModel->IdByIndex( -1 ) );

        if (!itemModel || itemModel == emptyItem )

            {

            continue;

            }

        dataArray->AppendL( KNullDesC16() );

        }

    }

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

//

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

// 

void CMmListBoxModel::ReorderModelL(TInt aFromIndex, TInt aToIndex)

    {

    iSuiteModel->ReorderItemsL( aFromIndex, aToIndex );

    UpdateDummyArrayDataL();

    }

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

//

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

// 

CHnSuiteModel* CMmListBoxModel::GetSuiteModel()

    {

    return iSuiteModel;

    }

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

//

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

// 

void CMmListBoxModel::HandleSuiteEventL( THnCustomSuiteEvent aCustomSuiteEvent,

        CHnSuiteModel* aModel)

    {

    if (iSuiteModel == aModel)

        {

        switch ( aCustomSuiteEvent )

    	    {

    	    case ESuiteModelDestroyed:

    		    iSuiteModel = NULL;

    		    break;

    	    case ESuiteItemsAdded:

    	    case ESuiteItemsRemoved:

    	    case ESuiteItemsUpdated:

    	        UpdateDummyArrayDataL( );

    	    default:

    	    	break;

    	    }

        }

    }

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

//

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

// 

TInt CMmListBoxModel::GetNumberOfSpecificMenuItemsL( TInt aItemIndex )

    {

    TInt itemSpecificMenuItemCount = KErrNotFound;

    if ( iSuiteModel )

        {

        TInt itemId = iSuiteModel->IdByIndex( aItemIndex );

        if ( itemId != KErrNotFound )

            {

            itemSpecificMenuItemCount = 0;

            MHnMenuItemModelIterator* menuItemModelIter =

                    iSuiteModel->GetMenuStructureL( itemId );

            while ( menuItemModelIter && menuItemModelIter->HasNextSpecific() )

                {

                menuItemModelIter->GetNextSpecific();

                ++itemSpecificMenuItemCount;

                }

            }

        }

    return itemSpecificMenuItemCount;

    }

// End of file