/*

* Copyright (c) 2007-2009 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:

*

*/

#ifndef FEATMGR_TLS_DATA_H

#define FEATMGR_TLS_DATA_H

//  INCLUDES

#include <e32base.h>

#include <featmgr/featurecmn.h>

#include "featmgrclient.h"

#include "featureclient.h"

// FORWARD DECLARATIONS

class MFeatureObserver;

// CLASS DECLARATION

/**

* Feature manager internal implementation.

* This object is stored in TLS.

*

*/

NONSHARABLE_CLASS(CFeatMgrTlsData) : public CBase, public MFeatureClient

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CFeatMgrTlsData* NewL();

        /**

        * Destructor.

        */

        virtual ~CFeatMgrTlsData();

    public:

		/**

        * Check if TLS can be freed, i.e. if client count is zero (or less).

        *

        * @return ETrue if TLS can be freed, EFalse otherwise.

        */

		TBool CanBeFreed() const;

		/**

        * Increse client count for this thread.

        */

		void IncreaseClientCount();

		/**

        * Decrease client count for this thread

        */

		void DecreaseClientCount();

		/**

        * From MFeatureClient

        */

        TInt FeatureSupported( TFeatureEntry& aFeature ) const;

        TInt FeaturesSupported( RFeatureArray& aFeatures );

        TInt EnableFeature( TUid aFeature ) const;

        TInt DisableFeature( TUid aFeature ) const;

        TInt SetFeature( TUid aFeature, TBool aEnabled, TInt aData ) const;

        TInt SetFeature( TUid aFeature, TInt aData ) const;

        TInt AddFeature( TFeatureEntry aFeature ) const;

        TInt DeleteFeature( TUid aFeature ) const;

        void ListSupportedFeaturesL( RFeatureUidArray& aSupportedFeatures );

        TInt RequestNotification( RFeatureUidArray& aFeatures, TUid& aFeatUid, 

                TRequestStatus& aStatus );

        TInt ReRequestNotification( TUid& aFeatUid, TRequestStatus& aStatus );

        TInt RequestNotifyCancel( TUid aFeature ) const;

        TInt RequestNotifyCancelAll( ) const;

        static void DeleteClient();

        TInt SWIStart() const;

        TInt SWIEnd() const; 

    private:

        /**

        * C++ default constructor.

        */

        CFeatMgrTlsData();

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

    private:    // Data

		// Keep count of clients so that we know when to free TLS

		TInt iClientCount;

		// Feature Manager server client 

		RFeatMgrClient iFeatMgrClient;

#ifdef EXTENDED_FEATURE_MANAGER_TEST

		// Debug only API functions

    public:

		TInt NumberOfNotifyFeatures( void ) const;

		TInt CountAllocCells( void ) const;

#endif

    };

#endif      // FEATMGR_TLS_DATA_H

// End of File