skins/AknSkins/src/AknsASICacheEntry.cpp
author hgs
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/*
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* Copyright (c) 2002-2008 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Defines an internal class CAknsAppSkinInstanceCacheEntry which
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*                encapsulates a single skin instance cache entry.
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*
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*/
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// INCLUDE FILES
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#include "AknsASICacheEntry.h"
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#include "AknsDebug.h"
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// C++ constructor can NOT contain any code, that
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// might leave.
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// -----------------------------------------------------------------------------
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//
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CAknsAppSkinInstanceCacheEntry::CAknsAppSkinInstanceCacheEntry(
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    const TAknsItemID& aID, CAknsItemData* aData )
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    // Explicit initialization required here!
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    : iID( aID ), iRefCount(0), iData( aData )
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    {
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    }
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// -----------------------------------------------------------------------------
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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//
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CAknsAppSkinInstanceCacheEntry* CAknsAppSkinInstanceCacheEntry::NewL(
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    const TAknsItemID& aID, CAknsItemData* aData )
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    {
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    return new (ELeave) CAknsAppSkinInstanceCacheEntry( aID, aData );
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    }
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//lint -esym(1714,CAknsAppSkinInstanceCacheEntry::NewL) Defined for completeness
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// -----------------------------------------------------------------------------
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// Destructor
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// -----------------------------------------------------------------------------
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//
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CAknsAppSkinInstanceCacheEntry::~CAknsAppSkinInstanceCacheEntry()
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    {
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    delete iData;
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    }
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// -----------------------------------------------------------------------------
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// CAknsAppSkinInstanceCacheEntry::IncreaseRefCount()
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// -----------------------------------------------------------------------------
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//
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void CAknsAppSkinInstanceCacheEntry::IncreaseRefCount()
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    {
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    iRefCount++;
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    }
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// -----------------------------------------------------------------------------
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// CAknsAppSkinInstanceCacheEntry::DecreaseRefCount()
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// -----------------------------------------------------------------------------
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//
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void CAknsAppSkinInstanceCacheEntry::DecreaseRefCount()
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    {
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    __ASSERT_DEBUG(iRefCount>0,AKNS_DEBUG_PANIC(EAknsDPanicInvalidRefCount));
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    iRefCount--;
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    }
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// -----------------------------------------------------------------------------
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// CAknsAppSkinInstanceCacheEntry::IsReferenced()
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// -----------------------------------------------------------------------------
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//
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TBool CAknsAppSkinInstanceCacheEntry::IsReferenced() const
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    {
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    return (iRefCount > 0);
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    }
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// -----------------------------------------------------------------------------
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// CAknsAppSkinInstanceCacheEntry::LinearOrder()
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// -----------------------------------------------------------------------------
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//
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TInt CAknsAppSkinInstanceCacheEntry::LinearOrder(
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    const CAknsAppSkinInstanceCacheEntry& aFirst,
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    const CAknsAppSkinInstanceCacheEntry& aSecond )
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    {
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    return TAknsItemID::LinearOrder( aFirst.iID, aSecond.iID );
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    }
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//  End of File