// Copyright (c) 2003-2009 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:

// Defines the avdtp SEP cache which holds details about the capabilities of remote SEPs

// these details can then be used later by the stack without having to send a GetCaps

// 

//

/**

 @file

 @internalComponent

*/

#ifndef AVDTPSEPCACHE_H

#define AVDTPSEPCACHE_H

#include <bluetoothav.h>

#include <es_mbuf.h>

static const TInt KSEPCacheCallbackInterval = 5;	// seconds

static const TInt KSEPCacheRecordDeadAge = 4;		// multiples of CBInterval

class CCapabilityVisitor;

NONSHARABLE_CLASS(CRemoteSEP) : public CBase

	{

friend class CRemoteSEPCache;

public:

	~CRemoteSEP();	// RPointerArray deletion

private:

	static CRemoteSEP* NewL(const TBTDevAddr& aAddr, const TAvdtpSEPInfo& aInfo);

	void SetCapabilities(HBufC8* aCapsAsProtocol);

	TPtrC8 GetCapabilityL(TAvdtpServiceCategory aCat);

	TBool HasCapability(TAvdtpServiceCategory aCat);

	inline TAvdtpServiceCategories GetCapabilities() const;

	void UpdateInfo(const TAvdtpSEPInfo& aInfo);

private:

	CRemoteSEP(const TBTDevAddr& aAddr, const TAvdtpSEPInfo& aInfo);

	void ConstructL();

private:

	TBTDevAddr				iRemoteDev;

	TAvdtpSEPInfo			iInfo;

	RPointerArray<TAvdtpServiceCapability>	iParsedCaps;

	HBufC8*					iCapabilitiesBuf;	// the bit of the packet we got, copied out

	TAvdtpServiceCategories	iKnownCaps;	

	};

NONSHARABLE_CLASS(CRemoteSEPCache) : public CBase

	{

public:

	static CRemoteSEPCache* NewL();

	TInt AddSEP(const TBTDevAddr& aAddr, const struct TAvdtpSEPInfo& aInfo);

	void SetCapabilities(const TBTDevAddr& aAddr, TSEID aSEID, HBufC8* aCapsAsProtocol);

	static TInt PerformMaintenanceCallback(TAny*); // maintains the cache;

	TBool Exists(const TBTDevAddr& aAddr, TSEID aSEID) const;

	TPtrC8 GetCapabilityL(const TBTDevAddr& aAddr, TSEID aSEID, TAvdtpServiceCategory aCat);

	TBool HasCapability(const TBTDevAddr& aAddr, TSEID aSEID, TAvdtpServiceCategory aCat);

	TAvdtpServiceCategories GetCapabilitiesL(const TBTDevAddr& aAddr, TSEID aSEID) const;

	void InvalidateSEPs(const TBTDevAddr& aAddr);

	~CRemoteSEPCache();

private:

	CRemoteSEP* FindSEP(const TBTDevAddr& aAddr, TSEID aSEID) const;

private:

// async callback to age these things

	RPointerArray<CRemoteSEP>	iRemoteSEPs;

	};

inline TAvdtpServiceCategories  CRemoteSEP::GetCapabilities() const

	{

	return iKnownCaps;

	}

#endif //AVDTPSEPCACHE_H