/**

* 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:

*

*/

/**

 @file CNetConRequestBase.h

 @internalComponent

*/

#if !defined (__CNETCONREQUESTBASE_H__)

#define __CNETCONREQUESTBASE_H__

#include <e32base.h>

#include <comms-infras/dialogprocessor.h>

#include <comms-infras/dbaccess.h>

class MNetConDialogProcAccess;

class MCommsDbAccess;

class MNetConEnv;

class MNetworkControllerObserver;

class MServiceChangeObserver;

class CStoreableOverrideSettings;

class CCommsDbAccess;

class CNetConDlgProcessor;

NONSHARABLE_CLASS(CNetConRequestBase) : public CBase, public MDialogProcessorObserver

/**

This class provides the functionality common to both selection and reconnection requests.

@internalComponent

*/

	{

	friend class CNetworkController;

public:

	virtual ~CNetConRequestBase();

	/**

	Start processing this request

	*/

	virtual void StartRequest() = 0;

	/**

	force premature completion of a request with a given error

	@param aError,error code for premature completion of request

	*/

	virtual void RequestComplete(TInt aError) = 0;

	/**

	Cancel processing this request

	*/	

	virtual void CancelRequest();

	/**

	Bearer availability

	@param aBearerSet, set of bearer available.

	*/

	virtual void SetAvailableBearers(TUint32 aBearerSet) = 0;

	/**

 	Return a copy of the pointer to the CCommsDbAccess object allowing reading of CommDb

 	@return CCommsDbAccess

 	*/

	CCommsDbAccess* DbAccess();

	CStoreableOverrideSettings* Overrides() const;

	MNetworkControllerObserver* Observer() const;

protected:

	CNetConRequestBase(MNetConEnv* aController, MNetworkControllerObserver* aObserver, CStoreableOverrideSettings* aOverrides);

	void ConstructL();

	TBool SelectedServiceAvailable(TUint32 aAvailableBearerSet) const;

	// implementation of Dialog Accessors

	void SelectConnection(const TConnectionPrefs& aPrefs);

	void SelectConnection(const TConnectionPrefs& aPrefs, TInt aLastError);

	void SelectModemAndLocation();

	void WarnNewConnection(const TConnectionPrefs& aPrefs, const TDesC* aNewIapName, const TIspConnectionNames* aNewConnectionNames, TInt aLastError);

	void Reconnect();

private:

	TInt ConstructDialogProcessor();

protected:

	CCommsDbAccess* iDatabase;							///< Network controller database access

	MNetConEnv* const iController;						///< For upcalls from the requests

	MNetworkControllerObserver* const iObserver;		///< from a Network Controller towards NIFMAN

	CStoreableOverrideSettings* iOverrides;		///< CommDB overrides

	TConnectionSettings iSettings; 						///< Connection settings of network controller towards nifman.

	TSglQueLink iLink;									///< link to next element in the queue

	MServiceChangeObserver* ipServiceChangeObserver;	///< Requests service change notification

private:

	CNetConDlgProcessor *iDialogPrc;					///< Dialog processor access

	};

#endif  // __CNETCONREQUESTBASE_H__