/*

 * 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;

 //Exported function for test purpose only 

 IMPORT_C TInt GetClientCount();

 // 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();

 		/**

         * Get client count for this thread. Used for testing purpose only

         */

         int ClientCount();

 		/**

         * 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 );

         void 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:

         void ResourceMark();

         void ResourceCheck();

         TInt ResourceCount();

         void SetHeapFailure(TInt aAllocFailType, TInt aRate);

 		TInt NumberOfNotifyFeatures( void ) const;

 		TInt CountAllocCells( void ) const;

 #endif

     };

 #endif      // FEATMGR_TLS_DATA_H

 // End of File