/*

* Copyright (c) 2002 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:  Observer for phone events. Used to re-active

*               code query after emergency call

*

*

*/

#ifndef     __SECPHONEOBSERVER_H

#define     __SECPHONEOBSERVER_H

#include <e32svr.h>

#include    <e32property.h>

#include "SecurityObserver.hrh"

class CSecObsNotify;

class CSecurityObserver;

class   CPhoneObserver: public CActive

    {

    public:

        /**

        * Creates instance of the CPhoneObserve class.

        *

        * @param aNotifierController CSecObsNotify* pointer to launch differend security

        *  notifiers

        * @param aObserver CSecurityObserver* pointer to securityobserver

        * @return Returns the instance just created.

        */

        static CPhoneObserver* NewL(CSecObsNotify* aNotifierController,CSecurityObserver* aObserver);

        /**

        * Destructor.

        */

        ~CPhoneObserver();

    public:

        /**

        * Starts asynchronic listening of KUidCurrentCall event

        *

        * @param aNotifier TSecurityNotifier: notifier which is activated when call has ended

        * @return KErrNone: if no errors

        * @return KErrInUse: if already listening

        */

        TInt Start(TSecurityNotifier aNotifier);

        /**

        * Stops asynchronic listening of KUidCurrentCall event

        */

        void Stop();

    private: // constructors

        /**

        * C++ default constructor.

        *

        * @param aNotifierController CSecObsNotify* pointer to launch differend security

        *  notifiers

        * @param aObserver CSecurityObserver* pointer to securityobserver

        */

        CPhoneObserver(CSecObsNotify* aNotifierController,CSecurityObserver* aObserver);

        /**

        * Symbian OS constructor.

        */

        void ConstructL();

    private: // from CActive

        /** @see CActive::RunL() */

        void RunL();

        /** @see CActive::DoCancel() */

        void DoCancel();

    private: // data

        CSecObsNotify*       iNotifierController; // not owned !

        CSecurityObserver*   iObserver; //not owned !

        TSecurityNotifier    iNotifier;

        RProperty            iProperty;

    };

#endif

// End of file