/*
* 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: Server class for handling commands from clients, and the 
*                central class in btnotif thread.
*
*/

#ifndef BTNOTIFPOWERNOTIFIER_H_
#define BTNOTIFPOWERNOTIFIER_H_

#include "bluetoothnotification.h"
#include "btnotifserver.h"
#include <hb/hbcore/hbsymbianvariant.h>
#include <btengsettings.h>


/**
 *  CBTNotifPowerNotifier for BT power related notifications
 *  
 *  @since Symbian^4
 */
NONSHARABLE_CLASS( CBTNotifPowerNotifier ) : 
        public CBase,
        public MBTNotificationResult,
        public MBTEngSettingsObserver
    {

public:

    /**
     * Two-phased constructor.
     * @param aServer Pointer to our parent
     */
    static CBTNotifPowerNotifier* NewL( CBTNotifServer* aServer );

    /**
    * Destructor.
    */
    virtual ~CBTNotifPowerNotifier();

    /**
     * Processes a message from a notifier client related to settings.
     *
     * @since Symbian^4
     * @param aMessage The message containing the details of the client request.
     */
    void HandleNotifierRequestL( const RMessage2& aMessage );

private:
// from base class MBTNotificationResult

    /**
     * From MBTNotificationResult.
     * Handle an intermediate result from a user query.
     * This function is called if the user query passes information
     * back before it has finished i.e. is dismissed. The final acceptance/
     * denial of a query is passed back in MBRNotificationClosed.
     *
     * @since Symbian^4
     * @param aData the returned data. The actual format 
     *              is dependent on the actual notifier.
     */
    virtual void MBRDataReceived( CHbSymbianVariantMap& aData );

    /**
     * From MBTNotificationResult.
     * The notification is finished. The resulting data (e.g. user input or
     * acceptance/denial of the query) is passed back here.
     *
     * @since Symbian^4
     * @param aErr KErrNone or one of the system-wide error codes.
     * @param aData the returned data. The actual format 
     *              is dependent on the actual notifier.
     */
    virtual void MBRNotificationClosed( TInt aError, const TDesC8& aData );
    
    // From MDevDiscoveryObserver
    
private:

    CBTNotifPowerNotifier( CBTNotifServer* aServer );

    void ConstructL();
    
    void ShowNotificationL(const RMessage2& aMessage);
    
private: // From 
    void PowerStateChanged( TBTPowerStateValue aState );
    void VisibilityModeChanged( TBTVisibilityMode aState );
        
private: // data    

    /**
     * Reference to our parent the server class.
     * Not own.
     */
    CBTNotifServer* iServer;
    
    /**
     * Pointer to an outstanding user interaction.
     * Not own.
     */
    CBluetoothNotification* iNotification;
    
    /**
     * The client request.
     */
    RMessage2 iNotifierMessage;
    
    /**
     * Represents the choice made by the client, Yes/No
     */
    TBool iTurnBTOn;

    /**
     * Represents the response to the client of the power notifier.
     */
    TPckgBuf<TBool> iClientResponse;
    
    /**
     * Owned object of CBTEngSettings to turn BT power on.
     */
    CBTEngSettings* iBTEngSettings;
    };

#endif /* BTNOTIFPOWERNOTIFIER_H_ */