/*

* Copyright (c) 2006 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:  Interface for Command Session Handler for managing observers

*			   : MCAContactFetchObserver,MCAServiceStateObserver and to get some flag values

*			   : for if the fetching is done or not. Note: Interface can be further extended

*

*/

#ifndef MCASESSIONHANDLERCMD_H

#define MCASESSIONHANDLERCMD_H

// FORWARD DECLARATIONS

class MCAContactFetchObserver;

class MCAServiceStateObserver;

// CLASS DECLARATION

class MCASessionHandlerCmd

    {

    public:

        /**

         * Add given observer to ConatctFetch observer list

         * @param aObserver to add

         * @return none

         */

        virtual void AddContactFetchObserverL( MCAContactFetchObserver* aObserver ) = 0;

        /**

         * Remove given observer from observer list

         * @param aObserver observer to remove

         * @return none

         */

        virtual void RemoveContactFetchObserver( MCAContactFetchObserver* aObserver ) = 0;

        /**

         * Add given observer to ServiceState observer list

         * @param aObserver to add

         * @return none

         */

        virtual void AddServiceStateObserversL( MCAServiceStateObserver* aObserver ) = 0;

        /**

         * Remove given observer from observer list

         * @param aObserver observer to remove

         * @return none

         */

        virtual void RemoveServiceStateObservers( MCAServiceStateObserver* aObserver ) = 0;

        /**

         * Check if contact fetching is done

         * @return ETrue if done, EFalse otherwise

         */

        virtual TBool IsFetchDone() = 0;

        /**

         * @return ETrue if the contact list has been refreshed

         *         during this session

         */

        virtual TBool ContactsRefreshed() const = 0;

        /**

         * Gets the IsAlreadyLoggedOut flag value

         * @return ETrue if Already Logged Out

         */

        virtual TBool IsAlreadyLoggedOut() const = 0;

        /**

         * Tells if user is logged in or not

         * @return ETrue if logged in else EFalse

         */

        virtual TBool IsLoggedIn() const = 0;

        /**

        * Sets the contact refreshed flag

        * @param aRefreshed ETrue if the contact list has been refreshed

        */

        virtual void SetContactsRefreshed( TBool aRefreshed ) = 0;

        /**

         * Checks if background login is running.

         * @return ETrue if background login is running.

         */

        virtual TBool IsBackgroundTaskRunning() const = 0;

    };

#endif      // MCASESSIONHANDLERCMD_H

// End of File