/*

* 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:  Bitmap resource item

*

*/

#include <AknUtils.h>

#include <fbs.h>

#include "aknbitmapresourceitem.h"

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

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

// Two-phased constructor.

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

//

CAknBitmapResourceItem* CAknBitmapResourceItem::NewL( TInt aId )

    {

    CAknBitmapResourceItem* self = 

        new ( ELeave ) CAknBitmapResourceItem( aId );

    return self;

    }

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

// Destructor.

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

//

CAknBitmapResourceItem::~CAknBitmapResourceItem()

    {

    delete iBitmap;

    delete iBitmapMask;

    }

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

// Used to fetch the bitmaps (resources) this item holds. The ownership of the

// bitmaps changes with this method call, so caller must take care of 

// the destruction of the bitmaps.

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

//

TBool CAknBitmapResourceItem::GetBitmaps( CFbsBitmap*& aBitmap,

                                         CFbsBitmap*& aMask )

    {

    if ( iBitmap && iBitmapMask )

        {

        aBitmap = iBitmap;

        aMask = iBitmapMask;

        // not owned anymore by this item -> set pointers to null

        iBitmap = 0;

        iBitmapMask = 0;

        return ETrue;

        }

    return EFalse;

    }

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

// Sets the bitmaps of this item. The ownership of the parameter bitmaps 

// does not change with this method call, instead new bitmaps are created with

// parameter bitmaps handles. So caller must take care of the parameter 

// bitmaps destruction.

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

//

void CAknBitmapResourceItem::SetBitmapsL( CFbsBitmap* aBitmap,

                                         CFbsBitmap* aMask )

    {

    delete iBitmap;

    delete iBitmapMask;

    iBitmap = 0;

    iBitmapMask = 0;

    iBitmap = new ( ELeave ) CFbsBitmap;

    iBitmap->Duplicate( aBitmap->Handle() );

    iBitmapMask = new ( ELeave ) CFbsBitmap;

    iBitmapMask->Duplicate( aMask->Handle() );

    }

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

// Duplicates the item and the resources it holds and 

// returns the created resource item.

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

//

MAknResourceItem* CAknBitmapResourceItem::DuplicateL()

    {

    CAknBitmapResourceItem* newItem = CAknBitmapResourceItem::NewL( iId );

    newItem->SetBitmapsL( iBitmap, iBitmapMask );

    return newItem;

    }

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

// Returns the resource item id.

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

//

TInt CAknBitmapResourceItem::Id() const

    {

    return iId;

    }

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

// Returns ETrue if the aType resource change applies to this resource item. 

// Otherwise EFalse.

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

//

TBool CAknBitmapResourceItem::Invalidate( TInt aType )

    {

    TBool invalidate = EFalse;

    switch ( aType )

        {

        case KAknsMessageSkinChange:

        case KEikDynamicLayoutVariantSwitch:

            invalidate = ETrue;

            break;

        default:

            invalidate = EFalse;

        }

    return invalidate;

    }

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

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

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

//

CAknBitmapResourceItem::CAknBitmapResourceItem( TInt aId ) 

    : iBitmap( 0 ), iBitmapMask( 0 ), iId( aId )

    {

    }