/*

* 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:  Contains definition of CBTSACGavdp class which uses GAVDP API. 

*				 Two other classes CAVStreamEndPoint and CAVSEPManager are helper 

*				 classes to use GAVDP. This class also constructs CBTSACStreamerController

*				 class.

*

*/

#ifndef BTSAC_GAVDP_H

#define BTSAC_GAVDP_H

//  INCLUDES

#include <btengdiscovery.h>	// Register SDP record for A2DP

#include <gavdp.h>			// symbian Bluetooth GAVDP API

// CONSTANTS

// DATA TYPES

// FORWARD DECLARATIONS

class CBTSACStreamerController;

class CBTSACSEPManager;

class MInternalGavdpUser; 

// CLASS DECLARATION

/**

*  

*  

*  

*/

NONSHARABLE_CLASS(CBTSACGavdp) : public CBase, public MGavdpUser

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        * 

        * 

        * 

        */

        static CBTSACGavdp* NewL( MInternalGavdpUser* aObserver );

        /**

        * 

        * 

        * 

        */

        virtual ~CBTSACGavdp();

   public: // New Functions

			/*

			 *

			 *

			 */	 

			void RegisterObserver(MInternalGavdpUser* aObserver, const TDesC& aName);

			/*

			 *

			 *

			 */

			TInt StartSrc(CBTSACSEPManager& aLocalSEPs, TSBCCodecCapabilities& aSbc);

	 		/*

			 *

			 *

			 */

	 		void StopSrc(); // disconnect from accessory

			 /*

			 * Connect with remote accessory

			 * @param 	aAddr	bluetooth address of the device to be connected

			 * @return	KErrNone if connection is successfull, error otherwise.

			 */

			 void Connect( const TBTDevAddr& aAddr );  		

			 /*

			 *

			 *

			 */

			 TInt Listen();

			 /*

			 *

			 *

			 */	 			

     		 void Cancel();

    		 /*

			 *

			 *

			 */

    		 void DiscoverSEPs();

    		 /*

    		 * Stop streaming to the connected remote accessory

    		 * @param   None.

    		 * @return  None.

    		 */

    		 void AbortStreaming(TSEID& aRemoteSEPId);

    		 /*

    		 * Disconnects the RGavdp session from the signalling channel, but does not destroy the local SEPs owned

			 * by the signalling channel. Must only be called if there is no stream present -

			 * if a stream is present AbortStream() should be called.

    		 * @param   None.

    		 * @return  None.

    		 */

    		 /**

    		 * Suspend (Pause) streaming to remote accessory

    		 * @ param None.

    		 * @return KErrNone if streaming could be suspended successfully, error otherwise

    		 */

    		 void SuspendStreams(TSEID& aRemoteSEPId);

    		 /*

			 *

			 *

			 */

    		 TInt ConnectAsSrc();	// Not implemented yet

			 /*

			 *

			 *

			 */

			 TInt CreateBearers(TSEID& aRemoteSEPId);

			 /*

			 *

			 *

			 */

			 TInt ConfigureSEP(TSEID aLocalSEPId, TSEID aRemoteSEPId, 

			 					TSBCCodecCapabilities& aSBCCaps, TAvdtpMediaTransportCapabilities& aMedTranCaps  );

			 /*

			 *

			 *

			 */

			 void DoSink();				// Not implemented yet

			 /*

			 *

			 *

			 */

			 void StartStreams(TSEID& aRemoteSEPId); 

			 /*

			 *

			 *

			 */

			 void GetCapabilities(TSEID& aId); 

			 /*

			 *

			 *

			 */

			 void SendSecurityControl();

			 /*

			 * Closes the stream

			 */

			 void Close();

			 /*

			 * Opens a RGavdp session

			 */

			 TInt Open();

			/*

			* Registers Stream endpoint to gavdp

			*

			*/    

			TInt RegisterSEPs(CBTSACSEPManager& aLocalSEPs, TSBCCodecCapabilities& aSbc );

   private:

        /**

        * C++ default constructor.

        */

        CBTSACGavdp();

        /**

        * C++ default constructor.

        */

        CBTSACGavdp( MInternalGavdpUser* aObserver );

        /**

        * Symbian 2nd phase constructor.

        * 

        * 

        * 

        * 

        */

        void ConstructL();

   private:		// GAVDP callbacks - @see gavdp.h for definitions

		virtual void GAVDP_SEPDiscovered(const TAvdtpSEPInfo& aSEP);

		virtual void GAVDP_SEPDiscoveryComplete();

		virtual void GAVDP_SEPCapability(TAvdtpServiceCapability* aCapability);	

		virtual void GAVDP_SEPCapabilityComplete();

		virtual void GAVDP_AbortStreamConfirm();

		virtual void GAVDP_StartStreamsConfirm();

		virtual void GAVDP_SuspendStreamsConfirm();

		virtual void GAVDP_SecurityControlConfirm(const TDesC8& aResponseData);

		virtual void GAVDP_ConfigurationConfirm();	// configuration complete and SEP selected *AND* reconfigure confirm

		virtual void GAVDP_Error(TInt aError, const TDesC8& aErrorData);

		virtual void GAVDP_ConnectConfirm(const TBTDevAddr& aAddr);

		virtual void GAVDP_ConfigurationStartIndication(TSEID aLocalSEID, TSEID aRemoteSEID);	

		virtual TInt GAVDP_ConfigurationIndication(TAvdtpServiceCapability* aCapability);

		virtual TInt GAVDP_ConfigurationEndIndication();

		virtual TInt GAVDP_StartIndication(TSEID aSEID);

		virtual TInt GAVDP_SuspendIndication(TSEID aSEID);

		virtual TInt GAVDP_SecurityControlIndication(TSEID aSEID, TDes8& aSecurityData);

		virtual void GAVDP_AbortIndication(TSEID aSEID);

		virtual void GAVDP_ReleaseIndication(TSEID aSEID);

		virtual void GAVDP_BearerReady(RSocket aNewSocket, const TAvdtpSockAddr& aAddr);

    private:    // Data

	    MInternalGavdpUser* iObserver; 

	    CBTSACStreamerController* iStreamer;

		RSocketServ	iSockServ;

		RGavdp iGavdp;	

		// Handle to the AVDTP SOURCE SDP service record, which is 

    	// created to our local SDP database

    	TSdpServRecordHandle iA2dpSourceSDPrecordHandle;

    	CBTEngDiscovery* iBTConnectionPtr;

	   };

#endif      // BTSAC_STREAMER_H