/*

* Copyright (c) 2008 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:  Creates IM command objects.

*

*/

#ifndef CVIMPSTCMDFACTORY_H

#define CVIMPSTCMDFACTORY_H

//  INCLUDES

#include <e32base.h>

#include "mvimpstcmdfactory.h"

#include "tvimpstenums.h"

#include "mvimpstengineservicestateeventobserver.h"

// FORWARD DECLARATIONS

class MVIMPSTProcessArray;

class MVIMPSTEngine;

//  CLASS DECLARATION

/**

 * Factory to create IM command objects.

 *  @lib vimpstcmdprocess.dll

 *  @since 5.0

 */

NONSHARABLE_CLASS(CVIMPSTCmdFactory) :

        public CBase,

        public MVIMPSTCmdFactory,

        public MVIMPSTEngineServiceStateEventObserver

    {

    public: // Constructor and destructor

        /**

         * Static constructor.

         * @param aEngine, reference to engine.

         * @return A new instance of this class.

         */

        static CVIMPSTCmdFactory* NewL(MVIMPSTEngine& aEngine);

        /**

         * Destructor.

         */

        ~CVIMPSTCmdFactory();

    public: // From MImCommandFactory

        /**

         * See MImCommandFactory

         */

		MVIMPSTCmd* CreateCommandForIdL(

		        TImCommandId aCommandId,TAny* aData = NULL) ;

        /**

         * See MImCommandFactory

         */

		void AddObserverL(MVIMPSTCmdObserver* aObserver) ;    

		/**

         * See MImCommandFactory

         */

		void RemoveObserver(MVIMPSTCmdObserver* aObserver);

		/**

		 * @returns reference to process interface.

		 */

		MVIMPSTProcessArray& GetProcessInterface() ;    

    private:// form MVIMPSTEngineServiceStateEventObserver

       /**

	    * Observer Event for Service State changes

	    * @param aState - Indicates the service state

	    * @parma aServiceError, error if any.

	    */       

	 	void HandleServiceEventL

	    			( TVIMPSTEnums::TVIMPSTRegistrationState aState, TInt aServiceError ) ;

    private: // Implementation

        /**

         * symbian default constructor.

         * @param aEngine, reference to engine.

         */

        CVIMPSTCmdFactory(MVIMPSTEngine& aEngine);

        /**

         * Second phase constructor.

         */

        void ConstructL();

    private: // Data

        // owned ,pointer to CIMArrayProcess

    	MVIMPSTProcessArray* iArrayProcess;

        //not owned        

        RPointerArray<MVIMPSTCmdObserver> iObservers;

        //Ref to the engine item for current service

        MVIMPSTEngine& iEngine;

    };

#endif // CVIMPSTCMDFACTORY_H

// End of File