/*

* Copyright (c) 2010 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:  CSysApGanHandler class definition.

*

*/

#ifndef SYSAPGANHANDLER_H_

#define SYSAPGANHANDLER_H_

#include <e32base.h>

#include <e32property.h>

#include "sysapganpropertylistener.h"

class CSysApAppUi;

/**

 *  Listen RProperty events from GAN server.

 */

NONSHARABLE_CLASS( CSysApGanHandler ) : 

    public CBase, 

    private MSysApGanPropertyObserver    

    {

public:

    /**

     * Static constructor.

     * @param aSysApUi Application UI.

     */

    static CSysApGanHandler* NewL( CSysApAppUi& aSysApAppUi );

    /**

     * Destructor.

     */

    ~CSysApGanHandler();

    /**

     * Tells if phone is in GAN mode.

     * @return ETrue if in GAN mode (not in GERAN)

     */

    TBool IsInGanMode();

    /**

     * Tells the signal bar level in GAN mode.

     * @return The number of signal bar blocks.

     */

    TInt GanSignalLevel();

private: // from MSysApGanPropertyObserver

    /**

     * Receive RProperty notification. This same interface can receive 

     * notifications from multiple listeners.

     * @param aPropertyListener Property lister that received the notification.

     * @param aStatus Status of the notification.

     */

    void PropertyEvent(

        CSysApGanPropertyListener& aPropertyListener, TInt aStatus );

private:

    /**

     * C++ constructor.

     * @param aSysApUi Application UI.

     */

    CSysApGanHandler( CSysApAppUi& aSysApAppUi );

    /**

     * Symbian 2nd phase constructor.

     */

    void ConstructL();

protected: // Data

    /**

     * Application UI.

     */

    CSysApAppUi& iSysApAppUi;    

    /**

     * Current GAN mode. 

     */

    TCoreAppUIsGanMode iGanMode;

    /**

     * Current GAN signal level. 

     */

    TInt iGanSignalLevel;

    /**

     * GAN mode property. 

     */

    RProperty iPropertyGanMode;

    /**

     * Signal level property. 

     */

    RProperty iPropertySignalLevel;

    /**

     * Listener for GAN mode property. 

     */

    CSysApGanPropertyListener* iGanModeListener;

    /**

     * Listener for signal level property. 

     */

    CSysApGanPropertyListener* iSignalLevelListener;

    };

#endif /* SYSAPGANHANDLER_H_ */