/*

* Copyright (c) 2006-2009 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: 

*  

*/

#ifndef __RFSPDPOBSERVER_H

#define __RFSPDPOBSERVER_H

enum TRfsConnectionCloseState

    {

    ESipConnectionClose,

    EPdpConnectionClose // this should be the last enum

    };

NONSHARABLE_CLASS( CRfsConnectionObserver ): CActive

    {      

public:

    /**

     * Two-phased constructor

     */

    static CRfsConnectionObserver* NewLC();

    /**

     * Destructor

     */

    virtual ~CRfsConnectionObserver();

public:

    /**

     * New methods

     */

    /**

     * Closes PDP connection.

     * A wait dialog is shown while the connection is torn down.

     *

     * @since S60 v3.1

     * @return ETrue if connection was succesfully closed

     */

    TBool CloseAlwaysOnConnectionL();

    /**

     * Re-opens connection in case user does not confirm RFS.

     * 

     * @since S60 v3.1

     */

    void ReOpenPDPConnection();

    void ReportRfsFailureToSip();

    void ReportRfsCompletionToSip();

private:

    /**

     * From base class CActive

     */

    /**

     * From CActive

     *

     * @since S60 v3.1

     */

    void RunL();

    /**

     * From CActive

     *

     * @since S60 v3.1

     */

    void DoCancel();

private:

    /**

     * New methods

     */

    /**

     * Subscribes PDP property

     *

     * @since S60 v3.1

     */

    void Subscribe();

    /**

     * Dismisses closing connections dialog

     *

     * @since S60 v3.1

     */

    void DismissWaitDialog();

    /**

     * 2nd phase constructor

     *

     * @since S60 v3.1

     */

    void ConstructL();

    /**

     * C++ constructor

     *

     * @since S60 v3.1

     */

    CRfsConnectionObserver();

    /**

     * Returns information whether PDP context's Always 

     * online feature is enabled or not

     */

    TInt IsAlwaysOnFeatureEnabledL();

private: 

    /**

     * Own: Wait dialog

     */

    CAknWaitDialog* iWaitDialog;

    /**

     * Own: PDP property

     */

    RProperty iPDPProperty;

    /**

     * Own: SIP property

     */

    RProperty iSIPProperty;

    /**

     * Following are status flags used to synchronize the code

     * of publishing the active connection close information to 

     * SIP and PDP. Also they are used to decide the proper execution 

     * of the code in the four cases recognized and can be possible 

     * for the devices. These four cases are

     * 

     * CASE 1: SIP Key defined, PDP Key not defined

     * CASE 2: SIP Key defined, PDP key defined

     * CASE 3. SIP key not defined, PDP key not defined

     * CASE 4: SIP key not defined, PDP key defined  

     * 

     * N.B The presence of definition the P&S keys gives us the information

     * whether there will be potential active connections ON.

     * In that case we need to do the following

     *  1. Close all active connections

     *  2. Meanwhile display a WAIT FOR dialog to the user which he can CANCEL at any moment

     *  3. If failure occurs or if user presses the Cancel Key then cancel the RFS operation  

     */

    TBool iAllConnectionClosed;

    TBool iIsWaitForDialogExecuted;

    TInt  iIsPDPFeatureEnabled;

    TBool iIsSIPConnectionsPresent;

    TBool iIsDialogNeedToBeDisplayed;

    TBool iIsSipInformedForClosingAllConnection;

    TBool iIsPDPInformedforClosingAllConnection;

    TBool iIsClosingConnectionsApplicable;

    TRfsConnectionCloseState iState;

    };

#endif    //RFSPDPOBSERVER_H