/*

* 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:  A thin CAknPopupList extension.

*

*/

// CLASS HEADER

#include "CPapPopupList.h"

// INTERNAL INCLUDES

// EXTERNAL INCLUDES

#include <AknIconArray.h>

#include <aknlists.h>

#include <AknsSkinInstance.h>

#include <AknsUtils.h>

#include <aknconsts.h>

#include <avkon.mbg>

#include <gulicon.h>

// CONSTANTS

namespace

	{

	// Granularities

	const TInt KIconGranularity( 3 );

	}

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

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

// CPapPopupList::CPapPopupList

// C++ constructor can NOT contain any code, that might leave.

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

//

CPapPopupList::CPapPopupList()

	: CAknPopupList()

    {

    }

void CPapPopupList::ConstructL( CEikListBox* aListBox, TInt aCbaResource )

	{

    CAknPopupList::ConstructL( aListBox, aCbaResource, AknPopupLayouts::EMenuWindow );

	}

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

// CPapPopupList::NewL

// Two-phased constructor.

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

//

CPapPopupList* CPapPopupList::NewL( CEikListBox* aListBox, TInt aCbaResource )

	{

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

	CleanupStack::PushL( self );

	self->ConstructL( aListBox, aCbaResource );

	CleanupStack::Pop( self );

	return self;

	}

// Destructor

 CPapPopupList::~CPapPopupList()

    {

    }

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

// CPapPopupList::HandleResourceChange

// (other items were commented in a header).

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

//

void CPapPopupList::HandleResourceChange( TInt aType )

    {

    if( aType == KAknsMessageSkinChange )

        {

        TRAP_IGNORE( SetIconsL() );

        }

    CAknPopupList::HandleResourceChange( aType );

    }

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

// CPapPopupList::HandleListBoxEventL

// (other items were commented in a header).

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

//

void CPapPopupList::HandleListBoxEventL( CEikListBox* aListBox, TListBoxEvent aEventType )

    {

    switch( aEventType )

        {

        case EEventItemClicked:

        case EEventItemSingleClicked:

            UpdateCba();

            break;

        default:

            break;

        }

    CAknPopupList::HandleListBoxEventL( aListBox, aEventType );

    }

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

// CPapPopupList::ProcessCommandL

// (other items were commented in a header).

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

//

void CPapPopupList::ProcessCommandL( TInt aCommandId )

    {

    switch( aCommandId )

        {

        // Fall through

        case EAknSoftkeyMark:

        case EAknSoftkeyUnmark:

            UpdateCba();

            break;

        default:

            break;

        }

    CAknPopupList::ProcessCommandL( aCommandId );

    }

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

// CPapPopupList::UpdateCba

// (other items were commented in a header).

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

//

void CPapPopupList::UpdateCba()

    {

    // Cache the pointer to button group container

    CEikButtonGroupContainer* cba = ButtonGroupContainer();

    // Left softkey should be visible if there are items selected,

    // i.e. the selection index array has items.

    TBool visible( ListBox()->View()->SelectionIndexes()->Count() > 0 );

    // Resolve left softkey command id

    TInt leftId( cba->ButtonGroup()->CommandId( 0 ) );

    // Check if left softkey visibility has changed

    if( visible != cba->IsCommandVisible( leftId ) )

        {

        // Left softkey visibility has changed, update it

        cba->MakeCommandVisible( leftId, visible );

        }

    }

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

// CPapPopupList::SetIconsL

// (other items were commented in a header).

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

//

void CPapPopupList::SetIconsL()

    {

    CAknSingleGraphicPopupMenuStyleListBox* listBox = 

    	static_cast<CAknSingleGraphicPopupMenuStyleListBox*>( ListBox() );

    // Create new icon array

    CAknIconArray* iconArray = new( ELeave ) CAknIconArray( KIconGranularity );

    CleanupStack::PushL( iconArray );

	MAknsSkinInstance* skin = AknsUtils::SkinInstance();

    CGulIcon* icon = CGulIcon::NewLC();

    CFbsBitmap* bitmap = 0;

    CFbsBitmap* mask = 0;

    AknsUtils::CreateColorIconL( skin, KAknsIIDQgnIndiCheckboxOn,

    	KAknsIIDQsnIconColors, EAknsCIQsnIconColorsCG15,

    	bitmap, mask, KAvkonBitmapFile, EMbmAvkonQgn_indi_checkbox_on,

    	EMbmAvkonQgn_indi_checkbox_on_mask, KRgbBlack  );

    icon->SetBitmap( bitmap );

    icon->SetMask( mask );

    iconArray->AppendL( icon );

    CleanupStack::Pop( icon );

    icon = CGulIcon::NewLC();

    AknsUtils::CreateColorIconL( skin, KAknsIIDQgnIndiCheckboxOff,

    	KAknsIIDQsnIconColors, EAknsCIQsnIconColorsCG15,

    	bitmap, mask, KAvkonBitmapFile, EMbmAvkonQgn_indi_checkbox_off,

    	EMbmAvkonQgn_indi_checkbox_off_mask, KRgbBlack  );

    icon->SetBitmap( bitmap );

    icon->SetMask( mask );

    iconArray->AppendL( icon );

    CleanupStack::Pop( icon );

    // Delete old icons

    CArrayPtr<CGulIcon>* arr = listBox->ItemDrawer()->ColumnData()->IconArray();

    if( arr )

    	{

    	arr->ResetAndDestroy();

	    delete arr;

	    arr = NULL;

    	}

	// Set new icon array

    listBox->ItemDrawer()->ColumnData()->SetIconArray( iconArray );	// changes ownership

    CleanupStack::Pop( iconArray );

    }

//  End of File