/*

* Copyright (c) 2002-2008 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:  Creates SMS message if Event in MailBox has occurred

*

*/

#ifndef IPVMBXBASE_H

#define IPVMBXBASE_H

#include <e32base.h>

#include <sipprofile.h>

#include "ipvmbxconstants.h"

class CMceOutEvent;

class CMceManager;

class CSIPProfile;

class CIpVmbxEngine;

/**

 *  Creates SMS message if Event in MailBox has occurred.

 *

 *  @lib ipvmbxengine.dll

 */

NONSHARABLE_CLASS( CIpVmbxBase ) : public CBase

    {

public:

    /** States for base class */

    enum TIpVmbxBaseStates

        {

        ESubscribing,

        ERegistered,

        ETerminating,

        EDisabled

        };

    /**

     * Two-phased constructor.

     *

     * @param aVmbxEngine Instance to engine

     * @param aVoiceMailUri Address of voice mail account

     * @param aMceManager Manager instance of IPVME

     * @return Created base class

     */

    static CIpVmbxBase* NewL(

        CIpVmbxEngine& aVmbxEngine,

        TDesC8& aVoiceMailUri8,

        CMceManager& aMceManager );

    /**

     * Destructor.

     */

    virtual ~CIpVmbxBase();

    /**

     * Set changing parameters for spescfic voice mail account.

     *

     * @param aServiceProviderId Service provider id

     * @param aSipProfile Sip profile

     */

    void Initialize(

        TUint32 aServiceProviderId,

        CSIPProfile& aSipProfile );

    /**

     * Subscribes to mail server. If refresh value is not entered,

     * defaults to KReSubscribe.

     *

     * @param aReSubscribe Parameter for refresh initiated by IPVME

     */

    void SubscribeL( TInt aReSubscribe );

    /**

     * Unsubscribes from mail server.

     */

    void TerminateEventL();

    /**

     * Cleans MceEvent instance.

     */

    void DeleteEvent();

    /**

     * Update status of voice mails.

     */

    static TInt ReSubscribe( TAny* aThis );

    /**

     * Cancel resubscribe timer

     */

    void Cancel();

    /**

     * Get service provider data

     *

     * @return Service id

     */

    TUint32 ServiceProviderId() const;

    /**

     * Account uri to which app base has connected

     *

     * @return MBX account

     */

    const TDesC8& VmbxUrl() const;

    /**

     * Sets base state to connected state and starts

     * resubscription process.

     */

    void SetStateRegistered();

    /**

     * State of base class

     *

     * @return State of base class

     */

    CIpVmbxBase::TIpVmbxBaseStates State() const;

    /**

     * Save current message state of mailbox

     *

     * @param Total messages

     * @param New messages

     */

    void SetAccountMessageCount( TInt aTotalCount, TInt aNewCount );

    /**

     * Get previous message state of mailbox

     *

     * @param Total messages

     * @param New messages

     */

    void AccountMessageCount( TInt& aTotalCount, TInt& aNewCount);

private:

    void ConstructL( TDesC8& aVoiceMailUri8 );

    /**

     * C++ default constructor.

     *

     * @param aVmbxEngine Engine instance to send status messages

     * @param aVoiceMailUri Uri which this base class will subscribe

     * @param aMceManager Required manager instance for outbound connections

     */

    CIpVmbxBase(

        CIpVmbxEngine& aVmbxEngine,

        CMceManager& aMceManager );

private:    // Data

    /**

     * SIP profile information

     * Not own.

     */

    CSIPProfile* iSipProfile;

    /**

     * MO events

     * Own.

     */

    CMceOutEvent* iMceOutEvent;

    /**

     * MCE server connection

     */

    CMceManager& iMceManager;

    /**

     * Re SUBSCRIBE timer

     * Own.

     */

    CDeltaTimer* iReSubscribe;

    /**

     * Re SUBSCRIBE period

     */

    TTimeIntervalMicroSeconds iReSubscribePeriod;

    /**

     * State of base class

     */

    TIpVmbxBaseStates iState;

    /**

     * Id of service this base class is using

     */

    TUint32 iServiceProviderId;

    /**

     * Uri this base class is monitoring

     */

    TBuf8< KMaxIpVoiceMailBoxUriLength > iVmbxUri8;

    /**

     * Server total messages

     */

    TInt iTotalMessageCount;

    /**

     * Server new messages

     */

    TInt iNewMessageCount;

    /**

     * Amount of pending resubscribes

     */

    TInt iPendingResubscribeCount;

    /**

     * Message sender

     */

    CIpVmbxEngine& iVmbxEngine;

    /**

     * Re subscribe callback

     */

    TDeltaTimerEntry iUpdateEvent;

    EUNIT_IMPLEMENTATION

    };

#endif // IPVMBXBASE_H