/*

* 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:  BT device and service searcher

*

*/

#ifndef CBTOBEXSEARCHER_H

#define CBTOBEXSEARCHER_H

//  INCLUDES

#include <ObexSearcherBase.h>

#include <bttypes.h>

#include <obex.h>

#include <btengsettings.h>

#include "Btconninfo.h"

// FORWARD DECLARATIONS

class CNSmlObexServiceSearcher;

class CObexClient;

// CLASS DECLARATION

/**

 *	Searches for Bluetooth devices

 */

class CBTObexSearcher : public CObexSearcherBase , public MBTEngSettingsObserver

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CBTObexSearcher* NewL( const TBTConnInfo& aBTConnInfo );

        /**

        * Destructor.

        */

        virtual ~CBTObexSearcher();

    protected: // Functions from base classes

        /**

        * Search for a device

        */

        void SearchDeviceL();

        /**

        * Search for a service

        */

        void SearchServiceL();

        /**

        * Create OBEX client

        */

		CObexClient* CreateObexClientL();

        void RunL();

        void DoCancel();

       /**

         * From MBTEngSettingsObserver.

         * Provides notification of changes in the power state 

         * of the Bluetooth hardware.

         *

         * 

         * @param aState EBTPowerOff if the BT hardware has been turned off, 

         *               EBTPowerOn if it has been turned on.

         */

        void PowerStateChanged( TBTPowerStateValue aState );

        /**

         * From MBTEngSettingsObserver.

         * Provides notification of changes in the discoverability 

         * mode of the Bluetooth hardware.

         *

         * 

         * @param aState EBTDiscModeHidden if the BT hardware is in hidden mode, 

         *               EBTDiscModeGeneral if it is in visible mode.

         */

        void VisibilityModeChanged( TBTVisibilityMode aState );

    private:

        /**

        * C++ default constructor.

        */

        CBTObexSearcher();

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL( const TBTConnInfo& aBTConnInfo );

        /**

         * Checks the offline mode and queries the user for turning BT on if

         * required.

         *

         * 

         * @return ETrue if the phone is in offline mode, otherwise EFalse.

         */

        TBool CheckOfflineModeL();

    private:    // Data

		CNSmlObexServiceSearcher* iServiceSearcher;

        TBool iWaitingForBTPower;

        TPckgBuf<TBool> iOffline;

        RNotifier iNotifier;

        CBTEngSettings* iSettings;

    };

#endif      // CBTOBEXSEARCHER_H   

// End of File