/*

* Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:  describes system information utilities.

*

*/

#ifndef __SYSINFOUTILS_H__

#define __SYSINFOUTILS_H__

/**

*  @ref RPhoneInstance singleton pattern used to maintain one instance RMoblePhone

*  resource shared by other implementation class in sysinfo.

*

*  @lib sysinfoservice.lib

*  @since S60 3.2

*/

class RPhoneInstance

    {

    public:

    /**

    * Connects to the RTelServer and the RMobilePhone classes.

    *

    * @return @p KErrNone if the initialization succeeded, otherwise connetion

    * ErrorCode.

    */

    static TInt Connect( RTelServer& aTelServer,RMobilePhone& aMobilePhone );

    };

/**

*  @ref RepositoryUtil static interface class to access modify value of 

*  central repository UID,Keys.

*

*  @lib sysinfoservice.lib

*  @since S60 3.2

*/

class RepositoryUtil

    {

    public:

    /**

    * Modifies interger value of an Repository key.

    */

    static void SetRepositoryKeyL(const TUid& aUid, const TUint32& aKey,

                                                        const TInt& aValue);

    /**

    * Modifies Descriptor value of an Repository key.

    */

    static void SetRepositoryKeyL(const TUid& aUid, const TUint32& aKey, 

                                                        const TDesC& aValue);

    /**

    * reads interger value of an Repository key. On return aValue consists 

    * of Key value.

    */

    static void GetRepositoryKeyL(const TUid& aUid, const TUint32& aKey,

                                                        TInt& aValue);

    /**

    * reads descriptor value of an Repository key. On return aValue consists 

    * of descriptor.

    */

    static void GetRepositoryKeyL(const TUid& aUid, const TUint32& aKey,

                                                            TDes& aValue);

    };