/*

* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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 NETWORKOBSERVER_H

#define NETWORKOBSERVER_H

// INCLUDES

#include <e32base.h>

#include <etel3rdparty.h>

#include <npscript.h>

#include "SystemInfoObserver.h"

// FORWARD DECLARATIONS

class CSystemInfoPlugin;

// CONSTANTS

// State enum and member variable

// CLASS DECLARATIONS

/**

*  CNetworkObserver.

*  Interface to information about the radio network connection.

*  @lib npSystemInfoPlugin.lib

*  @since S60 v3.2

*/

NONSHARABLE_CLASS(CNetworkObserver) : public CBase, public MSystemInfoObserverClient

    {

public: // Constructors and destructor

    /**

     * Two-phased constructor.

     */

    static CNetworkObserver* NewL( CSystemInfoPlugin* aPlugin );

    /**

     * Destructor.

     */

    virtual ~CNetworkObserver();

public:

    enum TIdNetworkItem

        {

        EIdSignalStrength,

        EIdRegistrationStatus,

        EIdNetworkInfo

        };

    /**

     * Request network values change notification.

     * @since 3.2

     * @param name of the callback, transfer ownership

     * @return void

     */

    void RequestNotificationL( TIdNetworkItem aId, HBufC8* aFunctionName );

public:

    /**

     * Called to get current network signal bars.

     * @since 3.2

     * @param void

     * @return signal bars

     */

    TInt SignalBars() const;

    /**

     * Called to get current network registration status.

     * @since 3.2

     * @param void

     * @return network registration status

     */

    TInt RegistrationStatus() const;

    /**

     * Called to get current network name

     * @since 3.2

     * @param void

     * @return network name

     */

    const TDesC& NetworkName() const;

public:

    // from MSystemInfoObserverClient

    virtual void SubscribeL( TInt aId, TRequestStatus& aStatus );

    virtual void UpdateL( TInt aId );

    virtual void Cancel( TInt aId );

    virtual void Close( TInt aId );

private:

    /**

     * C++ default constructor.

     */

    CNetworkObserver( CSystemInfoPlugin* aPlugin );

    /**

     * By default Symbian 2nd phase constructor is private.

     * @param none

     * @return void

     */

    void ConstructL();

protected:

    CSystemInfoPlugin* iSystemInfoPlugin; // not owned

    CTelephony* iTelephony;  // owned

    CTelephony* iTelephony2; // owned

    CTelephony* iTelephony3; // owned

    // signal

    CTelephony::TSignalStrengthV1Pckg iSignalPckg;

    CTelephony::TSignalStrengthV1 iSignal;

    CSystemInfoObserver* iSignalObserver; // owned

    TInt iSignalStarted;

    // registration status

    CTelephony::TNetworkRegistrationV1Pckg iRegistrationStatusPckg;

    CTelephony::TNetworkRegistrationV1 iRegistrationStatus;

    CSystemInfoObserver* iRegistrationStatusObserver; // owned

    HBufC8* iRegistrationStatusChangedFunction; // owned

    TInt iRegistrationStatusStarted;

    // network info (includes name)

    CTelephony::TNetworkInfoV2Pckg iNetworkInfoPckg;

    CTelephony::TNetworkInfoV2 iNetworkInfo;

    CSystemInfoObserver* iNetworkInfoObserver; // owned

    TInt iNetworkInfoStarted;

    };

#endif // NETWORKOBSERVER_H

// End of File