// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).+
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// All rights reserved.+
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// This component and the accompanying materials are made available+
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// under the terms of "Eclipse Public License v1.0"+
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// which accompanies this distribution, and is available+
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".+
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//+
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// Initial Contributors:+
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// Nokia Corporation - initial contribution.+
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//+
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// Contributors:+
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//+
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// Description:+
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// Defines the avdtp SEP cache which holds details about the capabilities of remote SEPs+
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// these details can then be used later by the stack without having to send a GetCaps+
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// +
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//+
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+
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/**+
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 @file+
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 @internalComponent+
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*/+
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+
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#ifndef AVDTPSEPCACHE_H+
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#define AVDTPSEPCACHE_H+
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+
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#include <bluetoothav.h>+
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#include <es_mbuf.h>+
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+
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static const TInt KSEPCacheCallbackInterval = 5;	// seconds+
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static const TInt KSEPCacheRecordDeadAge = 4;		// multiples of CBInterval+
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+
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class CCapabilityVisitor;+
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+
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NONSHARABLE_CLASS(CRemoteSEP) : public CBase+
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	{+
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friend class CRemoteSEPCache;+
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public:+
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	~CRemoteSEP();	// RPointerArray deletion+
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private:+
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	static CRemoteSEP* NewL(const TBTDevAddr& aAddr, const TAvdtpSEPInfo& aInfo);+
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	void SetCapabilities(HBufC8* aCapsAsProtocol);+
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	TPtrC8 GetCapabilityL(TAvdtpServiceCategory aCat);+
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	TBool HasCapability(TAvdtpServiceCategory aCat);+
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	inline TAvdtpServiceCategories GetCapabilities() const;+
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	void UpdateInfo(const TAvdtpSEPInfo& aInfo);+
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private:+
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	CRemoteSEP(const TBTDevAddr& aAddr, const TAvdtpSEPInfo& aInfo);+
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	void ConstructL();+
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private:+
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	TBTDevAddr				iRemoteDev;+
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	TAvdtpSEPInfo			iInfo;+
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	RPointerArray<TAvdtpServiceCapability>	iParsedCaps;+
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	HBufC8*					iCapabilitiesBuf;	// the bit of the packet we got, copied out+
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	TAvdtpServiceCategories	iKnownCaps;	+
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	};+
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+
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NONSHARABLE_CLASS(CRemoteSEPCache) : public CBase+
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	{+
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public:+
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	static CRemoteSEPCache* NewL();+
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	TInt AddSEP(const TBTDevAddr& aAddr, const struct TAvdtpSEPInfo& aInfo);+
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	void SetCapabilities(const TBTDevAddr& aAddr, TSEID aSEID, HBufC8* aCapsAsProtocol);+
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	static TInt PerformMaintenanceCallback(TAny*); // maintains the cache;+
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	TBool Exists(const TBTDevAddr& aAddr, TSEID aSEID) const;+
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	TPtrC8 GetCapabilityL(const TBTDevAddr& aAddr, TSEID aSEID, TAvdtpServiceCategory aCat);+
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	TBool HasCapability(const TBTDevAddr& aAddr, TSEID aSEID, TAvdtpServiceCategory aCat);+
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	TAvdtpServiceCategories GetCapabilitiesL(const TBTDevAddr& aAddr, TSEID aSEID) const;+
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	void InvalidateSEPs(const TBTDevAddr& aAddr);+
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	~CRemoteSEPCache();+
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private:+
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	CRemoteSEP* FindSEP(const TBTDevAddr& aAddr, TSEID aSEID) const;+
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private:+
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// async callback to age these things+
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	RPointerArray<CRemoteSEP>	iRemoteSEPs;+
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	};+
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+
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inline TAvdtpServiceCategories  CRemoteSEP::GetCapabilities() const+
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	{+
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	return iKnownCaps;+
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	}+
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+
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#endif //AVDTPSEPCACHE_H+
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