/*

 * ============================================================================

 *  Name        : hgfswiconcache.cpp

 *  Part of     : Hg Teleport

 *  Description : Icon cache

 *  Version     : %version: sa1spcx1#5 %

 *

 *  Copyright 2008 Nokia.  All rights reserved.

 *  This material, including documentation and any related computer

 *  programs, is protected by copyright controlled by Nokia.  All

 *  rights are reserved.  Copying, including reproducing, storing,

 *  adapting or translating, any or all of this material requires the

 *  prior written consent of Nokia.  This material also contains

 *  confidential information which may not be disclosed to others

 *  without the prior written consent of Nokia.

 * ============================================================================

 */

#include "hgfswiconcache.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;

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

// CHgFswIconCache::NewL

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

//

CHgFswIconCache* CHgFswIconCache::NewL()

    {

    CHgFswIconCache* self = new (ELeave) CHgFswIconCache;

    CleanupStack::PushL (self );

    self->ConstructL ( );

    CleanupStack::Pop ( self );

    return self;

    }

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

// CHgFswIconCache::CHgFswIconCache

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

//

CHgFswIconCache::CHgFswIconCache()

    {

    }

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

// CHgFswIconCache::~CHgFswIconCache

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

//

CHgFswIconCache::~CHgFswIconCache( )

    {

    THashMapIter<TInt, SHgBitmapPair> iter( iAppIcons );

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

        {

        SHgBitmapPair* value = iter.CurrentValue();

        delete value->iBitmap;

        delete value->iMask;

        }

    iAppIcons.Close();

    delete iDefaultIcon;

    }

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

// CHgFswIconCache::ConstructL

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

//

void CHgFswIconCache::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 );

    }

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

// CHgFswIconCache::GetAppIconL

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

//

void CHgFswIconCache::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 );

        }

    }

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

// CHgFswIconCache::GetIconL

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

//

void CHgFswIconCache::GetIconL( const TUid& aAppUid,

        CFbsBitmap*& aBitmap, CFbsBitmap*& aMask )

    {

    aBitmap = aMask = 0;

    SHgBitmapPair* 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, SHgBitmapPair( aBitmap, aMask ) );

        }

    }

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

// CHgFswIconCache::DefaultIcon

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

//

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

    {

    aBitmap = iDefaultIcon->Bitmap();

    aMask = iDefaultIcon->Mask();

    }

// end of file