// Copyright (c) 2007-2010 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 _EIRMANSESSION_H

#define _EIRMANSESSION_H

#include <e32base.h>

#include <e32std.h>

#include <bluetooth/eirmanshared.h>

#include "eirmanager.h"

class CEirManServer;

class CEirManInternalSession;

NONSHARABLE_CLASS(MEirSessionNotifier)

	{

public:

	virtual void MesnRegisterComplete(TInt aResult) = 0;

	virtual void MesnSpaceAvailable(TUint aSpaceForTag) = 0;

	};

NONSHARABLE_CLASS(MEirInternalSessionNotifier)

	{

public:

	virtual void MeisnRegisterComplete(TInt aResult) = 0;

	virtual void MeisnSpaceAvailable(TUint aSpaceForTag) = 0;

	virtual void MeisnSetDataError(TInt aError) = 0;

	};

NONSHARABLE_CLASS(CEirManSession) : public CBase, public MEirManagerNotifiee

	{

public:

	static CEirManSession* NewL(CEirManServer& aServer, MEirSessionNotifier& aParent, TBool aInternalSession);

	~CEirManSession();

	void NotifyEirFeatureState(TInt aResult);

	void RegisterTag(TEirTag aTag);

	TInt SetData(const TDesC8& aData, TEirDataMode aMode);

	TInt NewData(TInt aRequiredLength);

	TEirTag EirTag() const;

private:

	CEirManSession(CEirManServer& aServer, MEirSessionNotifier& aParent, TBool aInternalSession);

	void ConstructL();

	void DeregisterTag();

private: // from MEirManagerNotifiee

	virtual void MemnEirBlockAvailable(TEirTag aTag, TUint aSpaceForTag);

public:

	TDblQueLink	iLink;

private:

	CEirManServer& 		iEirManServer; // unowned

	MEirSessionNotifier& iParent;

	TEirTag 			iEirTag;

	TEirTag				iPendingEirTag;

	TBool				iRegisterPending;

	TBool				iInternalSession;

	};

NONSHARABLE_CLASS(CEirManExternalSession): public CSession2, public MEirSessionNotifier

	{

public:

	static CEirManExternalSession* NewL(CEirManServer& aServer);

	~CEirManExternalSession();

private:

	void ConstructL(CEirManServer& aServer);

	CEirManExternalSession();

	void RegisterTagL(const RMessage2& aMessage);

	void RegisterSpaceAvailableListenerL(const RMessage2& aMessage);

	void CancelSpaceAvailableListenerL(const RMessage2& aMessage);

	void NewDataL(const RMessage2& aMessage);

	void SetDataL(const RMessage2& aMessage);

private:

	void CompleteSpaceAvailableRequest(TUint aBytesAvailable);

private: // CSession2 virtuals

	virtual void ServiceL(const RMessage2& aMessage);

private:

	virtual void MesnRegisterComplete(TInt aResult);

	virtual void MesnSpaceAvailable(TUint aSpaceForTag);

private:

	RMessage2			iRegisterMessage;

	RMessage2			iDataAvailableListenerMessage;

	TUint 				iLastSpaceOffered;

	CEirManSession* iSession;

	};

NONSHARABLE_CLASS(CEirManInternalSession) : public CBase, public MEirSessionNotifier

	{

public:

	static CEirManInternalSession* NewL(CEirManServer& aServer, MEirInternalSessionNotifier& aParent);

	~CEirManInternalSession();

	void RegisterTag(TEirTag aTag);

	void SetData(const TDesC8& aData, TEirDataMode aMode);

	TInt NewData(TInt aRequiredLength);

private:

	CEirManInternalSession(MEirInternalSessionNotifier& aParent);

	void ConstructL(CEirManServer& aServer);

	static TInt SetDataCb(TAny* aThis);

	void DoSetData();

private: // from MEirManagerNotifiee

	virtual void MesnRegisterComplete(TInt aResult);

	virtual void MesnSpaceAvailable(TUint aSpaceForTag);

private:

	CEirManSession* iSession;

	MEirInternalSessionNotifier& iParent;

	CAsyncCallBack* iSetDataCb;

	HBufC8* iPendingData;

	TEirDataMode iPendingMode;

	};

#endif // _EIRMANSESSION_H