/*

* Copyright (c) 2002-2004 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:  Server-side sub-session of Accessory Mode

*

*/

#ifndef CACCSRVSUBMODE_H

#define CACCSRVSUBMODE_H

// INCLUDES

#include "AsyProxyAPI.h"

#include "AccSrvSubBase.h"

#include <e32base.h>

// CONSTANTS

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

class CAccSrvMainSession;

// CLASS DECLARATION

/**

*  Accessory Mode server-side sub-session implementation.

*

*  AccServer.lib

*  @since S60 3.1

*/

NONSHARABLE_CLASS( CAccSrvSubMode ) : public CAccSrvSubBase

    {

    public: // Constructors and destructor

        /**

        * Two-phased constructor.

        * @since S60 3.1

        * @param aSession              Handle to the ASY Proxy.

        * @param aConnectionController Handle to the Connection Controller.

        * @param aServerModel          Handle to the Server Model.

        * @return Pointer to a new subsession

        */

        static CAccSrvSubMode* NewL( CASYProxyAPI* aSession,

                                     CAccSrvConnectionController* aConnectionController,

                                     CAccSrvServerModel* aServerModel );

        /**

        * Destructor.

        */

        ~CAccSrvSubMode();

    public: // New functions

    public: // Functions from base classes

        /**

        * From CAccSrvSubBase

        * Handles received messages from client.

        * @since S60 3.1

        * @param aMessage Client request.

        * @return void

        */

        void DispatchMessageL( const RMessage2& aMessage );

        /**

        * From MQueueObserver.

        * Called when Queue passes message completion handling to registered observers.

        *

        * @since S60 3.1

        * @param aMsgID     Message in question.

        * @param aErrorCode Error Code of the operation.

        * @param aUniqueID  Unique ID of the Generic ID in question.

        * @return ETrue if the message was consumpted by a observer.

        *               Call-back order must be renewed after consumption

        *               if further call-backs are needed.

        */

        virtual TBool CompleteMessageL( TMsgID aMsgID,

                                        TInt aErrorCode,

                                        TInt aUniqueID );

    protected: // New functions

    protected:  // Functions from base classes

    private: // New functions

        /**

        * C++ default constructor.

        */

        CAccSrvSubMode( CASYProxyAPI* aSession,

                        CAccSrvConnectionController* aConnectionController,

                        CAccSrvServerModel* aServerModel );

        /**

        * By default Symbian 2nd phase constructor.

        */

        void ConstructL();

        /**

        * Handles GetAccessoryMode() client request.

        * If leave occurs, the client request is completed with that error code.

        *

        * @since S60 3.1

        * @param aMessage Client request.

        * @return void

        */

        void GetAccessoryModeL( const RMessage2& aMessage );

        /**

        * Handles GetAccessoryMode() asynchronous client request.

        * If leave occurs, the client request is completed with that error code.

        *

        * @since S60 3.1

        * @param aMessage Client request.

        * @return void

        */

        void GetAccessoryModeAsyncL( const RMessage2& aMessage );

        /**

        * Handles CancelGetAccessoryMode() client request.

        * If leave occurs, the client request is completed with that error code.

        *

        * @since S60 3.1

        * @param aMessage Client request.

        * @return void

        */

        void CancelGetAccessoryMode( const RMessage2& aMessage );

        /**

        * Handles NotifyAccessoryModeChanged() client request.

        * If leave occurs, the client request is completed with that error code.

        *

        * @since S60 3.1

        * @param aMessage Client request.

        * @return void

        */

        void NotifyAccessoryModeChangedL( const RMessage2& aMessage );

        /**

        * Handles CancelNotifyAccessoryModeChanged() client request.

        * If leave occurs, the client request is completed with that error code.

        *

        * @since S60 3.1

        * @param aMessage Client request.

        * @return void

        */

        void CancelNotifyAccessoryModeChanged( const RMessage2& aMessage );

        /**

        * Completes Accessory Mode request.

        *

        * @since S60 3.1

        * @param aMessage       RMessage2 to be completed.Client request.

        * @param aErrorCode     Error code for message completion.

        * @param aAccessoryMode Most recent accessory mode what client have.

        * @return void

        */

        void Complete( const RMessage2& aMessage,

                       TInt aErrorCode,

                       TAccPolAccessoryMode& aAccessoryMode );

    public:     // Data

    protected:  // Data

    private:    // Data

        // Stored NotifyAccessoryModeChangedL() client request for later completion.

        RMessage2 iNotifyAccessoryModeChanged;

        // Stored GetAccessoryModeAsyncL() client request for later completion.

        RMessage2 iGetAccessoryModeAsync;

        // NotifyAccessoryModeChanged() is not reordered fast enough 

        // (e.g. due to different process sceduling by kernel).

        // When notification is re-ordered, iRecentAccessoryMode is used 

        // to check such situation.

        // This is also most recent accessory mode what client have.

        TAccPolAccessoryMode iRecentAccessoryMode;

        //First notification order is not completed directly.

        TBool                iFirstOrder;

    public:     // Friend classes

    protected:  // Friend classes

    private:    // Friend classes

    };

#endif // CACCSRVSUBMODE_H

// End of File