/*

* 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:  List box used to display the Location Centre pop-up.

*

*/

// SYSTEM INCLUDES 

#include <AknIconArray.h>		// Icon Array

#include <eikclbd.h>			// Column Listbox

// USER INCLUDES

#include "lcpopuplistbox.h"

#include "lcpopuplistboxmodel.h"

#include "lclocationappinfo.h"

// CONSTANT DEFINTION

const TInt KLcPopupListboxGranularity = 4;

// ========================= MEMBER FUNCTIONS ================================

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

// CLcPopupListBox::CLcPopupListBox

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

//

CLcPopupListBox::CLcPopupListBox( CLcLocationAppInfoArray*	aAppArray )

	:iAppArray( aAppArray )

    {

    // C++ Default constructor. No allocations or functions which can Leave

    // should be called from here.

    }

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

// CLcPopupListBox::~CLcPopupListBox

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

//

CLcPopupListBox::~CLcPopupListBox()

    {

    // C++ Destructor. Free all resources associated with this class.

    // Delete the List box model.

    delete iListBoxModel;

    // Delete the Application Info array

    delete iAppArray;

    }

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

// void CLcPopupListBox::ConstructL

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

//

void CLcPopupListBox::ConstructL( CCoeControl*   aParent )

    {

    // Create the list box model

    iListBoxModel = CLcPopupListBoxModel::NewL( *iAppArray );

    CAknSingleGraphicPopupMenuStyleListBox::ConstructL( aParent, EAknListBoxMenuList );

    CreateScrollBarFrameL(ETrue);

    ScrollBarFrame()->SetScrollBarVisibilityL( CEikScrollBarFrame::EOff,

                                               CEikScrollBarFrame::EAuto ); 

    UpdateIconsL();

    // The ownership of the List box model is retained with the Container.

    // This is needed because the model is used to return the identifier of the

    // Location based Application or Content/Service when its selected.                                                     

    Model()->SetItemTextArray( iListBoxModel );  

    Model()->SetOwnershipType( ELbmDoesNotOwnItemArray );

    ActivateL();

    }

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

// void CLcPopupListBox::UpdateModel

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

//

void CLcPopupListBox::UpdateListBoxL( CLcLocationAppInfoArray*	aAppArray )

	{

	// Delete the existing contents and set the new Application info array

	// to the listbox model.

	delete iAppArray;

	iAppArray = aAppArray;

	iListBoxModel->UpdateModel( *iAppArray );

	UpdateIconsL();

	HandleItemAdditionL();

	HandleItemRemovalL();

	DrawDeferred();

	}

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

// void CLcPopupListBox::UpdateIconsL

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

//

void CLcPopupListBox::UpdateIconsL()

	{

	TInt count = iAppArray->Count();

	// Update the Icons only if there are any elements the List box

	if ( count )

		{

		// Create a new Icons Array

	    CAknIconArray* icons = new( ELeave ) CAknIconArray( KLcPopupListboxGranularity );

	    CleanupStack::PushL( icons );

		// Add All the icons to the Icons array

		for ( TInt i = 0; i < count; i++ )

			{			

			icons->AppendL(( *iAppArray )[i].IconL() );

			}

	    // Get old icons and delete those. This is done because SetIconArray will

	    // not do it.

	    CAknIconArray* oldIcons = 

	    	static_cast<CAknIconArray*>( ItemDrawer()->ColumnData()->IconArray());

	    delete oldIcons;

	    //Set New Icons to array

	    ItemDrawer()->ColumnData()->SetIconArray( icons );  

	    CleanupStack::Pop(icons);		

		}

    ItemDrawer()->ColumnData()->EnableMarqueeL( ETrue );   	

    DrawDeferred();

	}

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

// TInt CLcPopupListBox::AppInfoId

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

//

TPtrC CLcPopupListBox::AppInfoId() const

	{   	

	return ( *iAppArray )[ CurrentItemIndex() ].Id();

	}

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

// void CLcPopupListBox::HandleResourceChange

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

//

void CLcPopupListBox::HandleResourceChange( TInt    aType )

    {

    // Pass the event to the base class

    CCoeControl::HandleResourceChange( aType );

    switch( aType )

        {

        // Dynamic Layout switch and Skin Change

        case KEikDynamicLayoutVariantSwitch:

            {

            SetRect( Rect());

            break;

            }

        case KAknsMessageSkinChange:

            {

            TRAP_IGNORE( UpdateIconsL());

            break;

            }

        default:

            {

            break;

            }

        } 

    DrawDeferred();

    }