/*

* 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:  Handler for NotifyProcessCommands and responses

*

*/

#ifndef CASYPROXYCOMMANDOBSERVER_H

#define CASYPROXYCOMMANDOBSERVER_H

// INCLUDES

#include "AccessoryServer.h"

#include <AsyCommandHandlerBase.h>

#include <e32base.h>

// CONSTANTS

const TInt KDeleteAllRecords = 0;

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

class CASYProxyCommsService;

class CASYProxyTRRecord;

class CAccPolObjectCon;

// CLASS DECLARATION

/**

*  Observer class for processing current response

*  One observer object for every command is needed

*

*  @lib ASYProxy.dll

*  @since S60 3.1

*/

class CASYProxyCommandObserver : public CActive

    {

    public: // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CASYProxyCommandObserver* NewL( CASYProxyCommsService *iAsyProxyCommsSrvc );

        /**

        * Two-phased constructor.

        */

        static CASYProxyCommandObserver* NewL();

        /**

        * Destructor.

        */

        virtual ~CASYProxyCommandObserver();

    public: // New functions

        /**

        * Issues asynchronously request for notifying process command to client

        * @since S60 3.1

        * @param void

        * @return void

        */

        void IssueRequestL();

        /**

        * Sets the pointer of iAsyProxyTRRecord.

        * @since S60 3.1

        * @param aAsyProxyTRRecord Pointer to the current transaction record

        * @return void

        */

        void InitializeRef( CASYProxyTRRecord* aAsyProxyTRRecord );

       /**

        * Process responses.

        * @since S60 3.1

        * @param aCmdResponse Response value

        * @param aErrCode Error code of the response

        * @return void

        */

        void DoProcessResponseL( const TAccValueTypeTBool aCmdResponse, const TInt aErrCode );

        /**

        * Process responses.

        * @since S60 3.1

        * @param aCmdResponse Response value

        * @param aErrCode Error code of the response

        * @return void

        */

        void DoProcessResponseL( const TAccValueTypeTInt aCmdResponse, const TInt aErrCode );

        /**

        * Process responses.

        * @since S60 3.1

        * @param aCmdResponse Response value

        * @param aErrCode Error code of the response

        * @return void

        */

        void DoProcessResponseL( const TDesC8& aCmdResponse, const TInt aErrCode );

        /**

        * Process responses.

        * @param aObject Response value

        * @param aErrCode Error code of the response

        * @return void

        */

        void DoProcessResponseL( const CAccPolObjectCon& aObjectCon, const TInt aErrCode );         

        /**

        * Gets an object container data from proxy.

        * @param aObjectCon reference to objeccontainer. 

        * @return void

        */

        void DoObjectContainerFromProxyL( CAccPolObjectCon& aObjectCon ) const;

        /**

        * Marks for final destruction, that avoids creation of new observer.

        * @since S60 3.1

        * @param void

        * @return void

        */

        void MarkForFinalDestruction ();

    public: // Functions from base classes

    protected: // New functions

    protected: // Functions from base classes

        /**

        * From CActive Implements cancellation of an outstanding request.

        */

        void DoCancel();

        /**

        * From CActive Handles an active object's request completion event.

        */

        void RunL();

        /**

        * Runs if the RunL leaves 

        */

        TInt RunError( TInt aError );

    private:

        /**

        * C++ default constructor.

        */

        CASYProxyCommandObserver();

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL( CASYProxyCommsService *iAsyProxyCommsSrvc );

        void ConstructL();

        void AllowResponseL();

        void DoDestroy( TInt aTrId );

    public:     // Data

    protected:  // Data

    private:    // Data

        // Pointer to an object of responsible to handle responses

        CASYProxyCommsService* iAsyProxyCommsSrvc; // Not owned

        // Pointer to an object to keep up current command data of process

        CASYProxyTRRecord* iAsyProxyTRRecord; // Not owned

        // For checking that only one response is accepted per command.

        TInt iAllowResponse;

        //CAccPolObjectBase object is externalized to this buffer.

        CBufFlat* iObjectBuf; // Owned

        // Pointer to iObjectBuf

        TPtr8     iObjectBufPtr;

        // If ProxyCommandObserver is in Destruction, Avoid Creating a new ProxyCommandObserver.

        TBool   iInDestructionPhase;

    public:     // Friend classes

    protected:  // Friend classes

    private:    // Friend classes

};

#endif // CASYPROXYCOMMANDOBSERVER_H

// End of File