/*

* Copyright (c) 2008 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:  Icon cache

 *

*/

#include "tsfswiconcache.h"

#include <fbs.h>

#include <AknsUtils.h>

#include <gulicon.h>

#include <avkon.mbg>

// size for the created app icons

const TInt KAppIconWidth = 96;

const TInt KAppIconHeight = 96;

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

// CTsFswIconCache::NewL

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

//

CTsFswIconCache* CTsFswIconCache::NewL()

    {

    CTsFswIconCache* self = new (ELeave) CTsFswIconCache;

    CleanupStack::PushL (self );

    self->ConstructL ( );

    CleanupStack::Pop ( self );

    return self;

    }

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

// CTsFswIconCache::CTsFswIconCache

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

//

CTsFswIconCache::CTsFswIconCache()

    {

    }

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

// CTsFswIconCache::~CTsFswIconCache

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

//

CTsFswIconCache::~CTsFswIconCache( )

    {

    THashMapIter<TInt, STsBitmapPair> iter( iAppIcons );

    while ( const TInt* key = iter.NextKey() )

        {

        STsBitmapPair* value = iter.CurrentValue();

        delete value->iBitmap;

        delete value->iMask;

        }

    iAppIcons.Close();

    delete iDefaultIcon;

    }

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

// CTsFswIconCache::ConstructL

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

//

void CTsFswIconCache::ConstructL()

    {

    iDefaultIcon = AknsUtils::CreateGulIconL( 

        AknsUtils::SkinInstance(),

        KAknsIIDQgnMenuUnknownCxt,

        AknIconUtils::AvkonIconFileName(),

        EMbmAvkonQgn_menu_unknown_cxt,

        EMbmAvkonQgn_menu_unknown_cxt_mask );

    TSize sz( KAppIconWidth, KAppIconHeight );

    AknIconUtils::SetSize( iDefaultIcon->Bitmap(), sz );

    AknIconUtils::SetSize( iDefaultIcon->Mask(), sz );

    }

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

// CTsFswIconCache::GetAppIconL

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

//

void CTsFswIconCache::GetAppIconL( const TUid& aAppUid,

        CFbsBitmap*& aBitmap, CFbsBitmap*& aMask )

    {

    aBitmap = aMask = 0;

    MAknsSkinInstance* skinInstance = AknsUtils::SkinInstance();

    if ( skinInstance )

        {

        AknsUtils::CreateAppIconLC( skinInstance, aAppUid, EAknsAppIconTypeList,

            aBitmap, aMask );

        // The CreateAppIconLC method leaves both the bitmaps in the cleanup stack.

        // The order in which they are pushed into the stack and types of 

        // the items in the stack are both undefined.

        CleanupStack::Pop( 2 ); // codescanner::cleanup

        TSize sz( KAppIconWidth, KAppIconHeight );

        AknIconUtils::SetSize( aBitmap, sz );

        AknIconUtils::SetSize( aMask, sz );

        }

    }

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

// CTsFswIconCache::GetIconL

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

//

void CTsFswIconCache::GetIconL( const TUid& aAppUid,

        CFbsBitmap*& aBitmap, CFbsBitmap*& aMask )

    {

    aBitmap = aMask = 0;

    STsBitmapPair* bp = iAppIcons.Find( aAppUid.iUid );

    if ( bp )

        {

        // ownership stays with the hash table

        aBitmap = bp->iBitmap;

        aMask = bp->iMask;

        }

    else

        {

        GetAppIconL( aAppUid, aBitmap, aMask ); // ownership of the bitmap is ours

        // insert to hash table and pass ownership

        iAppIcons.InsertL( aAppUid.iUid, STsBitmapPair( aBitmap, aMask ) );

        }

    }

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

// CTsFswIconCache::DefaultIcon

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

//

void CTsFswIconCache::DefaultIcon( CFbsBitmap*& aBitmap, CFbsBitmap*& aMask )

    {

    aBitmap = iDefaultIcon->Bitmap();

    aMask = iDefaultIcon->Mask();

    }

// end of file