/*

* 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:

* Version     : 2 << Don't touch! Updated by Synergy at check-out.

*

*/

#include "mmitemsdatacache.h"

#include "mmcacheforitem.h"

const TInt KItemCacheArrGranularity = 20;

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//

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CMmItemsDataCache* CMmItemsDataCache::NewLC()

    {

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

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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//

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CMmItemsDataCache* CMmItemsDataCache::NewL()

    {

    CMmItemsDataCache* self = NewLC();

    CleanupStack::Pop( self );

    return self;

    }

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CMmCacheForItem* CMmItemsDataCache::GetItemCacheL( TInt aItemIndex )

    {

    ASSERT( aItemIndex >= 0 );

    while ( iItemCacheArr.Count() <= aItemIndex )

        {

        CMmCacheForItem* cacheForItem = CMmCacheForItem::NewLC( *this );

        iItemCacheArr.AppendL( cacheForItem );

        CleanupStack::Pop( cacheForItem );

        }

    return iItemCacheArr[aItemIndex];

    }

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TInt CMmItemsDataCache::GetTemplateIdentifierL( const TDesC8& aTemplateName )

    {

    TInt identifier = KErrNotFound;

    // this looks very primitive, but RPointerArray::FindL just compares pointers

    // so I guess there is no other way

    TInt templateCount = iTemplateNames.Count();

    for ( TInt i = 0; i < templateCount; ++i )

        {

        if ( iTemplateNames[i]->Compare( aTemplateName ) == 0 )

            {

            identifier = i;

            break;

            }

        }

    if ( identifier == KErrNotFound )

        {

        HBufC8* templateNameCopy = HBufC8::NewLC( aTemplateName.Length() );

        templateNameCopy->Des().Copy( aTemplateName );

        iTemplateNames.AppendL( templateNameCopy );

        CleanupStack::Pop( templateNameCopy );

        identifier = iTemplateNames.Count() - 1;

        }

    return identifier;

    }

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const TDesC8& CMmItemsDataCache::GetTemplateNameByIdentifier(

        TInt aTemplateIdentifier ) const

    {

    return *( iTemplateNames[aTemplateIdentifier] );

    }

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void CMmItemsDataCache::Invalidate()

    {

    const TInt count = iItemCacheArr.Count();

    for ( TInt i = 0; i < count; ++i )

        {

        iItemCacheArr[i]->MarkAsInvalid();

        }

    }

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void CMmItemsDataCache::Trim( TInt aItemCount )

    {

    __ASSERT_ALWAYS( aItemCount >= 0, User::Invariant() );

    for ( TInt i = iItemCacheArr.Count() - 1; i >= aItemCount; --i )

        {

        CMmCacheForItem* cache = iItemCacheArr[i];

        iItemCacheArr.Remove( i );

        delete cache;

        }

    }

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CMmItemsDataCache::~CMmItemsDataCache()

    {

    iItemCacheArr.ResetAndDestroy();

    iItemCacheArr.Close();

    iTemplateNames.ResetAndDestroy();

    iTemplateNames.Close();

    }

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CMmItemsDataCache::CMmItemsDataCache()

    : iItemCacheArr( KItemCacheArrGranularity )

    {

    }

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void CMmItemsDataCache::ConstructL()

    {

    }