sysstatemgmt/ssmmapperutility/inc/ssmmapperutilitystatic.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 00:53:00 +0200 (2010-02-01)
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/*
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* Copyright (c) 2009 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:
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* Declaration of SsmMapperUtility class.
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*
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*/
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#ifndef SSMMAPPERUTILITYSTATIC_H
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#define SSMMAPPERUTILITYSTATIC_H
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#include <e32base.h>
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class TSsmState;
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/**
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* Utility class for mapping Uids, getting feature and system states and
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* cenrep values.
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* This class contains static versions of the utilities provided by
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* CSSmMapperUtility. Use static functions provided here sparingly,
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* because each function creates own instance of CSSmMapperUtility.
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*/
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class SsmMapperUtility
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    {
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public:
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    /**
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     * Methods for mapping p&s, cenrep and feature Uids
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     *
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     * @param aUid The Uid to map
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     * @return The mapped Uid
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     */
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    IMPORT_C static TUid PsUid( const TUid& aUid );
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    IMPORT_C static TUid CrUid( const TUid& aUid );
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    IMPORT_C static TUid FeatureUid( const TUid& aUid );
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    /**
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     * Get the current system state
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     *
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     * @param aState On return contains the current state
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     * @return KErrNone if system state read successfully.
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     *         Otherwise one of Symbian error codes. 
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     */
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    IMPORT_C static TInt GetCurrentState( TSsmState& aState );
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    /**
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     * Gets the requested feature Uid's status
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     *
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     * @param aUid Requested feature Uid
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     * @return ETrue if feature supported, otherwise EFalse
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     */
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    IMPORT_C static TBool FeatureStatus( const TUid& aUid );
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    /**
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     * Gets the requested cenrep key's value
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     *
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     * @param aUid Requested cenrep Uid
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     * @param aKey Requested cenrep key
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     * @param aValue On return contains value of requested key
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     * @return KErrNone if value read successfully.
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     *         Otherwise one of Symbian error codes.
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     */
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    IMPORT_C static TInt CrValue( const TUid& aUid, TUint32 aKey, TInt& aValue );
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    /**
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     * Gets the requested cenrep key's value
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     *
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     * @param aUid Requested cenrep Uid
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     * @param aKey Requested cenrep key
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     * @param aValue On return contains value of requested key
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     * @return KErrNone if descriptor read successfully.
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     *         Otherwise one of Symbian error codes.
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     */
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    IMPORT_C static TInt CrValue( const TUid& aUid, TUint32 aKey, TDes& aValue );
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    /**
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     * Gets the path to command lists
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     *
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     * @param aCmdListPath Default path. Will be modified if called from test code.
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     */
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    IMPORT_C static void GetCommandListPath( TDes& aCmdListPath );
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    /**
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     * Checks the capabilities of client
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     *
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     * @aMessage Client message
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     * @return ETrue if capabilities ok, otherwise EFalse
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     */
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    IMPORT_C static TBool CheckCaps( const RMessagePtr2& aMessage );
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    };
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#endif // SSMMAPPERUTILITYSTATIC_H