/*

* Copyright (c) 2002 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:  WIM Trust Settings Store handler

*

*/

#ifndef CWIMTRUSTSETTINGSHANDLER_H

#define CWIMTRUSTSETTINGSHANDLER_H

//  INCLUDES

#include <e32base.h>

// FORWARD DECLARATIONS

class CWimTrustSettingsStore;

class CWimCertInfo;

// CLASS DECLARATION

/**

*  Class for handling certificates in WIM card

*  

*  @since Series60 3.0

*/

class CWimTrustSettingsHandler : public CActive

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CWimTrustSettingsHandler* NewL( CWimTrustSettingsStore* aWimTrustSettingsStore );

        /**

        * Destructor.

        */

        virtual ~CWimTrustSettingsHandler();

    public: // New functions

        /**

        * Fetches trust settings for given certificate. 

        * 

        * @return void

        */

        void GetTrustSettingsL( const RMessage2& aMessage );

        /**

        * Set applicability for given certificate. New certificate entry is

        * set if one not found from database (trust flag is set to EFalse).

        * @param aMessage Encapsulates a client request.

        * @return void

        */

        void SetApplicabilityL( const RMessage2& aMessage );

        /**

        * Set trust flag for given certificate. New certificate entry is set

        * @param aMessage Encapsulates a client request.

        * @return void

        */

        void SetTrustL( const RMessage2& aMessage );

        /**

        * Set default trust settings for given certificate. If certificate not

        * found from database new entry is inserted.

        * @param aMessage Encapsulates a client request.

        * @return void

        */

        void SetDefaultTrustSettingsL( const RMessage2& aMessage );

        /**

        * Remove trust settings of given certificate. If certificate

        * is not found, message is completed with KErrNotFound

        * @param aMessage Encapsulates a client request.

        * @return void

        */

        void RemoveTrustSettingsL( const RMessage2& aMessage );

        /**

        * Cancel any issued asynchronous call

        * @return void

        */

        void CancelDoing();

    private:  // From CActive

        /**

        * From CActive. Handles completion of asynchrounous operation

        * @return void

        */

        void RunL();

        /**

        * From CActive. Cancellation function

        * @return void

        */

        void DoCancel();

        /**

        * From CActive. Handle trapped leave.

        * @param aError Leave error code

        * @return Error code

        */

        TInt RunError( TInt aError );

    private:

        /**

        * C++ default constructor.

        */

        CWimTrustSettingsHandler( CWimTrustSettingsStore* aWimTrustSettingsStore );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

    private:    // Data

        // Pointer to Trust Settings Store instance. Owned.

        CWimTrustSettingsStore* iWimTrustSettingsStore;

        // Pointer CWimCertInfo object. Owned.

        CWimCertInfo*           iCertInfo;

        // Saved message.

        RMessage2               iMessage;

        // Flag to save trusted flag.

        TBool                   iTrusted;

        // Array to save applications.

        RArray<TUid>            iApplications;

        // Enumerator for ongoing phase

        enum TPhase

            {

            EGetTrustSettings,

            ESetDefaultTrustSettings,

            ESetApplicability,

            ESetTrust,

            ERemoveTrustSettings

            };

        // Currect phase of Trust Settings Store operation

        TPhase                  iPhase;

    };

#endif      // CWIMTRUSTSETTINGSHANDLER_H

// End of File