/*

* Copyright (c) 2007-2007 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:  CCenRepAttributes class declaration.

*

*/

#ifndef C_CENREPATTRIBUTES_H

#define C_CENREPATTRIBUTES_H

#include <e32base.h>

#include <cfcontextinterface.h>

#include <cfcontextsourceplugin.h>

#include "cfcontextsourcesettingparameter.h"

class CCFContextSourceSettingArray;

_LIT( KUID, "UID" );

_LIT( KMode, "Mode" );

_LIT( KMasked, "Masked" );

_LIT( KNonMasked, "NonMasked" );

_LIT( KKey, "Key" );

_LIT( KValue, "Value" );

_LIT( KContextSource, "ContextSource" );

_LIT( KContextType, "ContextType" );

_LIT( KContextValue, "ContextValue" );

_LIT( KContextValueSet, "ContextValueSet" );

_LIT( KContextValueUnSet, "ContextValueUnSet" );

/**

 *  Base class for attribute and parameter handling

 *

 *  @lib CenRepSourcePlugIn.dll

 *  @since S60 5.0

 */

NONSHARABLE_CLASS( CCenRepAttributes ) : public CBase

    {

public:

    virtual ~CCenRepAttributes();

public: // New methods

    /**

    * Pure virtual definition

    * Search context values from parameter array and updates context

    *

    * @since S60 5.0

    * @param aKeyValue Parameter key value for context values to search

    * @return void

    */

    virtual void UpdateContextL( const TInt aKeyValue ) = 0;

    /**

    * Converts string to hexadecimal.

    *

    * @since S60 5.0

    * @param aString The string to convert

    * @param aValue Converted value

    * @return KErrNotFound if not an int to be converted, else KErrNone

    */

    static TInt ConvertToHex( const TDesC& aString, TUint32& aValue );

    /**

    * Initializes object and triggers to define context.

    *

    * @since S60 5.0

    * @param aIndex Index of RContextSourceSettingArray item

    * @return Central repository key

    */

    TUint32 InitCenRepKeyL( TInt aIndex );

protected:

    CCenRepAttributes( MCFContextInterface& aCF,

                       CCFContextSourceSettingArray& aSettings );

    /**

    * Converts string to integer.

    *

    * @since S60 5.0

    * @param aString The string to convert

    * @param aValue Converted value

    * @return KErrNotFound if not an int to be converted, else KErrNone

    */

    TInt ConvertToInt( const TDesC& aString, TInt& aValue ) const;

    /**

    * Publish context

    *

    * @since S60 5.0

    * @param

    * @return void

    */

    void PublishContext();

private:

    void DefineContext();

public:    // Data

protected: // Data

        // Sensor source settings

        CCFContextSourceSettingArray& iSettings;

        // Ref: CF interface for contexts

        MCFContextInterface& iCF;

        // Own: Pointer to a Context object

        CCFContextObject* iContext;

        // Own: Parameter array of settings

        RSettingParameterArray iParamArray;

        // Parameter count in parameter array

        TInt iParamCount;

private:   // Data

    };

#endif // C_CENREPATTRIBUTES_H