/*

* Copyright (c) 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 C_RADIOENGINETLS_H

#define C_RADIOENGINETLS_H

#include <e32base.h>

class MRadioEngineLogger;

class CCoeEnv;

class RFs;

/**

 * TLS handler

 */

class CRadioEngineTls : public CBase

    {

friend class RadioEngineUtils;

public:

    /**

     * Returns the CRadioEngineTls instance from TLS

     *

     * @since Live TV UI v1.0

     * @return Reference to CRadioEngineTls instance

     */

    static CRadioEngineTls& Instance();

    /**

     * Return the logger storage if logging is enabled

     *

     * @since Live TV UI v1.0

     */

    static MRadioEngineLogger* Logger();

    /**

     * Return the eikon environment

     *

     * @since Live TV UI v1.0

     * @return Pointer to CEikonEnv

     */

    static CCoeEnv* Env();

    /**

     * Returns the file server session

     *

     * @since Live TV UI v1.0

     * @return Reference to file server session

     */

    static RFs& FsSession();

    /**

     * Increase reference count

     */

    void AddRef();

    /**

     * Decrease reference count

     * Deletes self when ref count reaches zero.

     */

    void Release();

private:

    static void InitializeL( CCoeEnv* aEnv = NULL, RFs* aFs = NULL );

    CRadioEngineTls( CCoeEnv* aEnv, RFs* aFs );

    ~CRadioEngineTls();

    void ConstructL();

#ifdef LOGGING_ENABLED

    /**

     * File logger

     * Own.

     */

    CRadioEngineLogger* iLogger;

#endif

    /**

     * Pointer to the eikon environment

     * Not own.

     */

    CCoeEnv*    iEnv;

    /**

     * Flag to indicate whether or not the file server session is owned

     */

    TBool       iFsOwned;

    /**

     * File server session.

     * Own status determined by iFsOwned member variable

     */

    RFs*        iFs;

    /**

     * Reference count

     */

    TInt        iRefs;

    };

#endif // C_RADIOENGINETLS_H