// Copyright (c) 2007-2009 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:

//

/**

 @file

 @internalComponent

*/

#ifndef _EIRMANAGER_H

#define _EIRMANAGER_H

#include <e32base.h>

#include <bluetooth/hcicommandqueueclient.h>

#include <bluetooth/eirmanshared.h>

class CLinkMgrProtocol;

class MHCICommandQueue;

// Magic numbers

const TUint8 KOfferPending		= 0x01;

const TUint8 KNeedOffer 		= 0x02;

const TInt KLengthInvalid = -1;

// Reserved bytes for each tag, this is used by the 1st iteration of calculation

const TInt KReservedNameBytes = 101;

const TInt KReservedUuid16Bytes = 50;

const TInt KReservedUuid128Bytes = 50;

const TInt KReservedManufacturerSpecificDataBytes = 22;

const TInt KReservedTxPowerLevelBytes = 3;

const TInt KDeviceNameGranularity = 1;

const TInt K16BitUuidGranularity = 2;

const TInt K128BitUuidGranularity = 16;

const TInt KWriteEirTimeout = 2000000; // 2 seconds

class MEirManagerNotifiee

	{

public:

	virtual void MemnEirBlockAvailable(TEirTag aTag, TUint aSpaceForTag)=0;

	};

class REirOwnerDetails

	{

public:

	HBufC8*			iTagData;

	MEirManagerNotifiee*	iNotifiee;

	TEirDataMode 	iEirDataMode;

	TInt			iOfferedBytes;

	TInt			iRequiredBytes;

	TUint8			iState;

	};

class CEirManager;

NONSHARABLE_CLASS(CWriteEirTimer) : public CTimer

	{

	public:

		static CWriteEirTimer* NewL(CEirManager& aEirManager);

		void Start();

	private:

		CWriteEirTimer(CEirManager& aEirManager);

		void ConstructL();

		void RunL();

		TInt RunError(TInt aError);

	private:

		CEirManager& iEirManager;

	};

NONSHARABLE_CLASS(CEirManager) : public CBase, public MHCICommandQueueClient

	{

public:

	static CEirManager* NewL(MHCICommandQueue& aCommandQueue, CLinkMgrProtocol& aLinkMgrProtocol);

	~CEirManager();

	TInt RegisterTag(TEirTag aTag, MEirManagerNotifiee& aNotifiee);

	void DeregisterTag(TEirTag aTag);

	TInt SetData(TEirTag aTag, TDesC8& aData, TEirDataMode aEirDataMode);

	// from MHCICommandQueueClient

	void MhcqcCommandEventReceived(const THCIEventBase& aEvent, const CHCICommandBase* aRelatedCommand);

	void MhcqcCommandErrored(TInt aErrorCode, const CHCICommandBase* aCommand);

	TInt NewData(TEirTag aTag, TInt aRequiredBytes);

	void TryToUpdateHostController();

	void UpdateHostControllerL();

private:

	CEirManager(MHCICommandQueue& aCommandQueue, CLinkMgrProtocol& aLinkMgrProtocol);

	void ConstructL();

	void UnhookClient(TEirTag aTag);

	inline TBool TagValid(TEirTag aTag) const;

	TBool TagAllowed(TEirTag aTag) const;

	TBool TagPresent(TEirTag aTag) const;

	TBool OffersPending() const;

	TBool NeedToOffer() const;

	TInt TagCount() const;

	void NotifyClients();

	void DoNotify(TEirTag aTag);

	void FindTagData(TEirTag aTag, HBufC8**& aOutPointerToData);

	TInt EIRPacketSize() const;

	void ComputeOfferLengths();

	void ComputeClientInitialOffer(TEirTag aTag, TInt& aTotalSpare, TInt aReservedBytes,

								   TBool aIsAllOrNothing = EFalse);

	void ComputeClientFinalOffer(TEirTag aTag, TInt& aTotalSpare, TUint aGranularity,

								 TBool aIsAllOrNothing = EFalse);

	void WriteExtendedInquiryResponseL(TBool aFECRequired, const TDesC8& aEir);

private:

	TFixedArray<REirOwnerDetails, EEirTagRESERVED>  iNotifiees;

	TEirTag					iCurrentlySettingTag;

	TUint					iLengthForNotifiee;

	TBool					iOffersStale;

	TUint					iCmdId;

	TUint					iCmdCount;

	// unowned

	MHCICommandQueue& 		iCommandQueue;

	CLinkMgrProtocol&		iLinkMgrProtocol;

	// owned

	CWriteEirTimer*			iWriteEirTimer;

	};

#include "eirmanager.inl"

#endif // _EIRMANAGER_H