/*

* Copyright (c) 2005 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:    

*

*/

#ifndef __CMCETESTUIENGINESESSION_H__

#define __CMCETESTUIENGINESESSION_H__

// USER INCLUDES

// SYSTEM INCLUDES

#include <e32base.h>

#include <mcemediasource.h>

// FORWARD DECLARATIONS

class CMceManager;

class CMceFCMsgExchange;

class CMceSession;

class CMCETestUIEngine;

class CMCETestUIEngineCmdBase;

class CMCETestUIEngineProfile;

class CMCETestUIEngineAudioStream;

class CMCETestUIEngineVideoStream;

class CMceVideoCodec;

const TInt KMceOutSession = 1;

const TInt KMceInSession = 2;

// CLASS DECLARATION

/**

* 

* CMCETestUIEngineSession provides a wrapper for CMCESession.

* Class is not the traditional wrapper in a sense that it would 

* conform to interface provided by CMCESession. Instead class

* implements interface MMCETestUIEngineCmdProvider to provide

* same kind of functionality in controlled way on different levels 

* of abstraction.

*

* TODO: Wrappers for streams and use of them.

*

*/

class CMCETestUIEngineSession : public CBase,

                                public MMCETestUIEngineCmdProvider

    {

    public: // Constructors and destructors

    	/**

    	* Destructor.

    	*/

    	IMPORT_C virtual ~CMCETestUIEngineSession();

    public: // From MMCETestUICommandProvider

        /**

        * Gets the commands applicaple to this session object.

        *

        * @return reference to array of commands

        */

        IMPORT_C const RPointerArray<TMCETestUIEngineCmdBase>& 

                    GetCommandsL();

    public: // New functions, pure virtual

        /**

        * @return Id of this particular session object

        */

        IMPORT_C virtual TInt Id() const = 0;

    public: // New functions

        /**

        * @return Textual representation of the state of the wrapped MCESession

        */

	    IMPORT_C const TDesC& State() ;

	    /**

	    * @return Direction of the session

	    */

	    IMPORT_C TDirection Direction() const;

	    /**

	    * @return Video Direction of the session

	    */

	    IMPORT_C TVideoDirection VideoDirection() const;

	    /**

	    * @return Textual representation of session's direction

	    */

	    IMPORT_C const TDesC16& TextualDirection() const;

		/**

	    * @return Textual representation of session's Video direction

	    */

	    IMPORT_C const TDesC16& TextualVideoDirection() const;

	    /**

	    * @return Audiostreams of a session

	    */

        IMPORT_C const RPointerArray<CMCETestUIEngineAudioStream>& 

                        AudioStreamsL();

	    IMPORT_C RPointerArray<CMCETestUIEngineAudioStream>&

	                    CurrentAudioStreams();	  

	    /**

	    * @return Videostreams of a session

	    */

        IMPORT_C const RPointerArray<CMCETestUIEngineVideoStream>& 

                        VideoStreamsL();

	    IMPORT_C RPointerArray<CMCETestUIEngineVideoStream>&

	                    CurrentVideoStreams();	   

	    IMPORT_C TUint32 ProfileId();  

    public: // New functions, internal

        /**

        * Gets wrapped MCESession object

        * 

        * @return wrapped MCESession

        */

        CMceSession& Session();		

        /**

        *

        * Solves and sets the direction of session based on streams and

        * their properties.

        *

        * @return the newly set direction of session

        */

        TDirection SolveDirection();

        /**

        *

        * Solves and sets the Video direction of session based on streams and

        * their properties.

        *

        * @return the newly set direction of session

        */

        TVideoDirection SolveVideoDirection();

        IMPORT_C TInt StatusCode();

        void EnableAudioL();

        void EnableAudioStreamL( CMceMediaStream& aAudioStream );

        void AdjustVideoCodecsL( const RPointerArray<CMceVideoCodec>& aCodecs );

        CMceMediaStream* FindStreamForSourceL( CMceMediaStream& aStream, 

                                               TMceSourceType aSourceType );

    private:  // private constructors

        /**

        * C++ default constructor. Not implemented.

        */

        CMCETestUIEngineSession();	

    protected:

        /**

        * C++ first phase constructor.

        */

        CMCETestUIEngineSession( 

                    CMCETestUIEngine& aEngine,

                    TDirection aDirection,

                    TVideoDirection aVideoDirection );

       	/**

        * Symbian second-phase constructor

        */

        void BaseConstructL();	   

    protected:  // owned data  

        // Commands applicable to all sessions. Owned.

       RPointerArray<TMCETestUIEngineCmdBase> iCommands;

       // Wrapppers for audiostreams

       RPointerArray<CMCETestUIEngineAudioStream> iAudioStreams;

       // Wrapppers for videostreams

       RPointerArray<CMCETestUIEngineVideoStream> iVideoStreams;

    protected:  // not owned data

       CMCETestUIEngine& iEngine;       

       // Pointer to wrapped OutSession/InSession

       CMceSession* iSession;

      // TInt iStatusCode;

       // Indicator of audio direction

       TDirection iDirection;

       // Indicator of video direction

       TVideoDirection iVideoDirection;

    public:

		TInt iType;

		TBool iHold;

		TBool iHoldInProgress;

    };

#endif