/*

* 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:  conecction provider plugin implementation class

*

*/

#ifndef C_ICPPLUGIN_H

#define C_ICPPLUGIN_H

// INCLUDES

#include <cchservice.h>

#include "imserviceobserver.h"

class CIcpServiceManager;

/**

*  CIcpPlugin class

*  @lib imconnectionprovider.dll

*/

class CIcpPlugin : public CCchService,

				   public MImServiceObserver

    {

public:	// Constructors and destructor

    /**

    * Two-phased constructor

    */

    static CIcpPlugin* NewL( TAny* aParam );  

    /**

    * Destructor.

    */

    virtual ~CIcpPlugin();

 public : // from base class CCHService

    /**

     * Client enables service. CCHService implementation

     * should use MCCHServiceObserver for service state notifications.

     * @see MCCHServiceObserver

     * @param aServiceSelection Service selection

     */

    void EnableServiceL( const TServiceSelection& aServiceSelection );

    /**

     * Client enables service. CCHService implementation

     * should use MCCHServiceObserver for service state notifications.

     * @see MCCHServiceObserver

     * @param aServiceSelection Service selection

     * @param aIapId Iap id

     */

    void EnableServiceL( const TServiceSelection& aServiceSelection,

                         TUint aIapId );

    /**

     * Client disables service. 

     * @param aServiceId

     */

    void DisableServiceL( const TServiceSelection& aServiceSelection );

    /**

     * Client checks is the service available by the IAP id array.

     * CCHService implementation should return ETrue if service is

     * registrable by the (some) IAP, array contains. 

     * @param aServiceSelection Service selection

     * @param aIapIdArray Id array of the currently available iaps.

     * @return ETrue if service is available.

     */

    TBool IsAvailableL( const TServiceSelection& aServiceSelection,

                        const RArray<TUint32>& aIapIdArray ) const;

    /**

     * Get service state information.

     * @param aServiceSelection Service selection

     * @param aState Current service state.

     * @return General symbian error code.

     */

    TInt GetServiceState( const TServiceSelection& aServiceSelection, 

                          TCCHSubserviceState& aState ) const;

    /**

     * Get service network information.

     * @param aConnectionInfo Connection info

     * @return General symbian error code.

     */

    TInt GetServiceNetworkInfo( TServiceConnectionInfo& aConnectionInfo ) const;

    /**

     * Set Snap id for service.

     * @param aServiceSelection Service selection

     * @return General symbian error code.

     */

    TInt SetSnapId( const TServiceSelection& aServiceSelection,

                    TUint aSnapId );

    /**

     * Set IAP id for service.

     * @param aServiceSelection Service selection

     * @param aIapId 

     * @return General symbian error code.

     */

    TInt SetIapId( const TServiceSelection& aServiceSelection,

                   TUint aIapId );                               

    /**

     * Get service specifics information about service and protocol

     * @param aServiceSelection Service selection

     * @param aBuffer Info will be inserted to this buffer  

     */

    void  GetServiceInfoL( const TServiceSelection& aServiceSelection,

                           RBuf& aBuffer ) const;

    /**

     * Reserves the service for exclusive use

     * @param aServiceSelection Selected service, ID and type

     * @return General symbian error code.

     */

    TInt ReserveService( const TServiceSelection& aServiceSelection );

    /**

     * Frees the exclusive service reservation

     * @param aServiceSelection Selected service, ID and type

     * @return General symbian error code.

     */

    TInt FreeService( const TServiceSelection& aServiceSelection );

    /**

     * Is the service reserved

     * @param aServiceSelection Selected service, ID and type

     * @return TBool 

     */

    TBool IsReserved( const TServiceSelection& aServiceSelection ) const;

 public :  // from base class MSCPServiceObserver

    /**

     * Service state observer.

     * @since S60 5.0

     * @param aServiceId

     * @param aState a new state of the service.

     */

    void ServiceStateChanged( 

	    const TUint aServiceId,

	    const TCCHSubserviceType aSubService,

	    TCCHSubserviceState aState,

	    TInt aError );

    /**

     * Returns the connection parameters

     * @since S60 3.2.3

     * @param aServiceSelection Selected service, ID and type

     * @param aParameter Connection parameter of the service

     * @param aValue Value of the parameter

     * @return Symbian error code

     */

    TInt GetConnectionParameter( 

                         const TServiceSelection& aServiceSelection,

                         TCchConnectionParameter aParameter,

                         TInt& aValue ) const;

    /**

     * Returns the connection parameters

     * @since S60 3.2.3

     * @param aServiceSelection Selected service, ID and type

     * @param aParameter Connection parameter of the service

     * @param aValue Value of the parameter

     * @return Symbian error code

     */

     TInt GetConnectionParameter(  

                         const TServiceSelection& aServiceSelection, 

                         TCchConnectionParameter aParameter,

                         RBuf& aValue ) const;

    /**

     * Sets the connection parameters

     * @since S60 3.2.3

     * @param aServiceSelection Selected service, ID and type

     * @param aParameter Connection parameter of the service

     * @param aValue Value of the parameter

     * @return Symbian error code

     */

    TInt SetConnectionParameter(  

                         const TServiceSelection& aServiceSelection, 

                         TCchConnectionParameter aParameter,

                         TInt aValue );

    /**

      * Sets the connection parameters

      * @since S60 3.2.3

      * @param aServiceSelection Selected service, ID and type

      * @param aParameter Connection parameter of the service

      * @param aValue Value of the parameter

      * @return Symbian error code

      */

     TInt SetConnectionParameter(  

                          const TServiceSelection& aServiceSelection, 

                          TCchConnectionParameter aParameter,

                          const TDesC& aValue );

private:

    /**

     * Constructor is hidden

     */

    CIcpPlugin( MCchServiceObserver& aServiceObserver );

    /**

     * 2nd phase constructor

     */

    void ConstructL();

private:

    /**

     * Service manager. Own

     */

    CIcpServiceManager* iServiceManager;

    /**

     * not owns : CCH service observer.

     */ 

    MCchServiceObserver& iServiceObserver;

	};	

#endif  // C_SCPPLUGIN_H

// End of file