/*

* Copyright (c) 2007-2008 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:  

*  Version     : %version:  3 % << Don't touch! Updated by Synergy at check-out.

*

*/

#include "hnbitmapidcache.h"

#include "hnglobals.h"

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TUint32 HBufC8HashCache( HBufC8* const &  aBuf )

    {

    return DefaultHash::Des8(*aBuf);

    }

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TBool HBufC8IdentCache( HBufC8* const & aL, HBufC8* const & aR )

    {

    return DefaultIdentity::Des8(*aL, *aR);

    }

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CHnBitmapIdCache::CHnBitmapIdCache() : iEntries( &HBufC8HashCache, 

        &HBufC8IdentCache )

    {

    }

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void CHnBitmapIdCache::ConstructL()

	{

	}

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TInt CHnBitmapIdCache::AddL( const TDesC8& aKey, TInt aValue ) 

    {

    HBufC8* key = aKey.AllocL();

    iEntries.InsertL( key, aValue );

    return KErrNone;

    }

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TBool CHnBitmapIdCache::ExistsL( const TDesC8& aKey )

    {

    HBufC8* buf = aKey.AllocLC();

    TInt* value = iEntries.Find( buf );

    CleanupStack::PopAndDestroy( buf );

    if ( value )

        return ETrue;

    else

        return EFalse;

    }

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void CHnBitmapIdCache::GetL( const TDesC8& aKey, TInt& value )

    {

    HBufC8* buf = aKey.AllocLC();

    const TInt* res = iEntries.Find( buf );

    if ( res )

        {

        value = *res;

        }

    CleanupStack::PopAndDestroy( buf );

    }

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CHnBitmapIdCache* CHnBitmapIdCache::NewLC()

    {

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

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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CHnBitmapIdCache* CHnBitmapIdCache::NewL()

    {

    CHnBitmapIdCache* self = CHnBitmapIdCache::NewLC();

    CleanupStack::Pop( self );

    return self;

    }

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void CHnBitmapIdCache::Reset()

    {

    THashMapIter<HBufC8*, TInt> iter( iEntries );

    while ( HBufC8* const * ptr = iter.NextKey() )

        {

        TInt* value = iter.CurrentValue();

        delete *ptr;

        }

    iEntries.Close();

    }

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CHnBitmapIdCache::~CHnBitmapIdCache()

    {

    Reset();

    }