/*

* 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 CMCECSESSIONIMPLEMENTATION_H

#define CMCECSESSIONIMPLEMENTATION_H

#include <badesca.h>

#include "mcesrv.h"

#include "mceclientserver.h"

#include "mcecomaudiocodec.h"

#include "mcecomvideocodec.h"

//  FORWARD DECLARATION

class CMceCsSession;

class CMceSipManager;

class TMceIds;

class CMceCsSubSession;

class CMceSipDefaults;

class TMceFileInfo;

class TMceMccComEvent;

// CLASS DECLARATION

/**

*  MCE CS session implementation

*

*  @lib 

*  @since

*/

class CMceCsSessionImplementation : public CBase

	{

public: // Constructors and destructor

	/**

	* Two-phased constructor.

	* @param aManager SIP manager

	* @param aITCProvider provides ITC functionality. Ownership is NOT transferred

	* @return CS session implementation

	*/

	static CMceCsSessionImplementation* NewL( CMceSipManager& aManager,

	                                          CMceCsSession* aITCProvider );

	/**

	* Two-phased constructor.

	* @param aManager SIP manager

	* @param aITCProvider provides ITC functionality. Ownership is NOT transferred

	* @return CS session implementation

	*/

	static CMceCsSessionImplementation* NewLC( CMceSipManager& aManager,

	                                           CMceCsSession* aITCProvider );

	/**

	* Destructor.

	*/

	~CMceCsSessionImplementation();

public: // New

	/**

	* Creates sub session

    * @param aIds set of ids defining ITC call context

	* @param aParams parameters for creation

	*/

	void CreateSubSessionL( TMceIds& aIds,

                            CDesC8Array& aParams);

	/**

	* Removes sub session

	* @param aSessionId aSessionID

	*/

    void RemoveSubSessionL( TUint32 aSessionId );

	/**

	* Gets all sub sessions

	* @return all sub sessions

	*/

    RPointerArray<CMceCsSubSession>& SubSessions();

	/**

	* Finds sub session based on session id

	* @param aSessionId session id

	* @return sub session

	*/

	CMceCsSubSession* SubSessionL( TUint32 aSessionId );

	/**

	* Finds sub session based on dialog id

	* @param aDialogId dialog id

	* @return sub session

	*/

	const CMceCsSubSession* FindSubSession( TUint32 aDialogId );

	/**

	* Returns supported audio codecs

	* @return supported audio codecs as encoded string

	*/

	HBufC8* SupportedAudioCodecsL();

	/**

	* Returns supported video codecs

	* @return supported video codecs as encoded string

	*/

	HBufC8* SupportedVideoCodecsL();

	/**

	* Stores default headers for given methods.

	* @param aMethod the methods

	* @param aHeaders the default headers

	*/

	void StoreDefaultHeadersL( CDesC8Array& aMethods, CDesC8Array* aHeaders );

	/**

	* Returns the default headers for the given method

	* @param aMethodInd the method index in SIP Strings

	* @return default headers

	*/ 

	CDesC8Array& DefaultHeaders( TInt aMethodInd );

    /**

	* Returns the encoded default headers for the given method

	* @param aMethod the method

	* @return encoded default headers

	*/ 

	HBufC8* DefaultHeadersL( TDesC8& aMethod );

    void DoServiceL( TMceIds& aIds, TInt aFunction, TPtr8& aInfo );

    void DoServiceL( TMceIds& aIds, TInt aFunction, const TDesC8& aInfo );

    HBufC8* DoServiceL( TMceIds& aIds, TInt aFunction );

    void DoServiceL( TMceIds& aIds, TInt aFunction, CMceMsgBase& aMessage );

    void StoreClientContent( HBufC8* aClientContent );

    /**

    * Callback function to indicate that event has been received

    * @param aEvent, received event

    */

    void EventReceived( TMceMccComEvent& aEvent );

public: 

	/**

	* Sends data via callback mechanism to client

	* @param aIds set of ids defining ITC callback context

	* @param aContext encoded context of message

	* @param aContent content of message

	*/

    void SendToClientL( TMceIds& aIds, HBufC8* aContext, HBufC8* aContent );

	/**

	* Removes all subsession

	* @param aMakeOrphan if ETrue, makes subsession orphan, 

	* if session do not terminate

	*/

    void RemoveAllSubSessions( TBool aMakeOrphan = ETrue );

	/**

	* Returns ETrue, if session implementation is orphan

	* @return ETrue, if orphan

	*/

    TBool IsOrphan();

    /**

	* Returns reference to CS session

	* @return CS session

	*/

    CMceCsSession& ClientSession();

protected:

	CMceCsSessionImplementation ( CMceSipManager& aManager, CMceCsSession& aITCProvider );

	void ConstructL ();

    static void ArrayCleanup(TAny* aArray);

    void GetFileInfoL( TMceIds& aIds, TMceFileInfo& aFileInfo );

private: // Owned data

    //sub sessions

	RPointerArray<CMceCsSubSession> iSubSessions;

	//default headers

	CMceSipDefaults* iDefaults;

private: // NOT owned Data

    //SIP manager instance

    CMceSipManager& iManager;

    //ITC provider

	CMceCsSession* iITCProvider;

	//definitions for unit testing

	MCESRV_UT_DEFINITIONS

	};

#endif

// End of File