/*

* Copyright (c) 2004-2007 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:  

*

*/

#ifndef CDISCOVERYMANAGER_H

#define CDISCOVERYMANAGER_H

#include <e32def.h>

#include <e32std.h>

#include <e32base.h>

#include <f32file.h>

#include "mdiscovery.h"

#include "mdiscoveryobserver.h"

#include "imageprint.h"

class CRealFactory;

class CIFFactory;

class CImagePrint;

/**

 *

 *  Manages the device discovery part.

 *

 */

class CDiscoveryManager

    : public CBase,

      public MDiscovery,

      public MPrinterDiscoveryObserver

    {

    public:     // Construction and destruction

        /**

         *  Two-phase construction

         *

         *  @param aFactory Pointer to factory

         *  @return Initialized instance of the class

         */

        static CDiscoveryManager* NewL( CIFFactory* aFactory );

        static CDiscoveryManager* NewLC( CIFFactory* aFactory );

        /**

         *  Destructor

         */

        virtual ~CDiscoveryManager();

    private:    // Construction and destruction

        /**

         *  Constructor

         *

         *  @param aFactory Pointer to factory

         */

        CDiscoveryManager( CIFFactory* aFactory );

        /**

         *  Second-phase constructor

         */

        void ConstructL();

    private:    // Methods derived from MDiscovery

        virtual void StartDeviceDiscoveryL(

            MDiscoveryObserver* aNotifier, TUint aProtocol );

        virtual void CancelDeviceDiscoveryL();

        virtual TInt ChoosePrinterL( TInt aPrinterUid );

        virtual TUint SupportedProtocols();

        virtual TInt IsPictBridgeMode();

        virtual void RemoveDiscoveryObserver();

    private:    // Methods derived from MPrinterDiscoveryObserver

        virtual void FoundPrinterL( const TPrinter& aPrinterInfo );

	    virtual void DiscoveryStatusL( TInt aStatus, TInt aErrorCode,

            TInt aErrorStringCode );

        virtual void RemovePrinterL( const TPrinter& aPrinterInfo );

    private:    // Enumerations

        // Different states of device discovery

        enum TDiscoveryState

            {

            EDiscovering,

            EDoneDiscovery,

            ECancellingDiscovery

            };

    private:    // Data

        // Pointer to factory object

        CIFFactory* iFactory;

        // Pointer to the observer

        MDiscoveryObserver* iDiscoveryObserver;

        // Flag to indicate if the discovery or cancelling of discovery is on-going

        TBool iOnGoingDiscovery;

        TBool iCancelling;

        // Chosen printer UID

        TInt iPrinterUid;

        // Synchronous wait system for cancellation

        CActiveSchedulerWait iWait;

        // UID for MMC printer (if available)

        TInt iMMCUid;

    };

#endif  //  CDISCOVERYMANAGER_H

//  End of File