/*

* 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 MDISCOVERYOBSERVER_H

#define MDISCOVERYOBSERVER_H

#include <e32def.h>

#include <e32std.h>

/**

 *

 * Interface used to notify UI about the found devices and error

 *

 */

class MDiscoveryObserver

    {

    public:     // Enumerations

        enum TPrinterType

            {

            EBPP,

            EMMC,

            EUSB,

            EOPP,

            EWLAN,

            ENOPRINTER

            };

	public:		// Abstract methods

        /**

         *  Notification of new print device

         *

         *  @param aText    Textual description of the new print device.

         *                  Ownership is not transferred

         *  @param aUid     Uid that is associated with the print device

         *  @param aCached  Is the printer cached or not?

         *  @param aType    Type of the printer

         *  @param aVendor  Printer vendor

         */

        virtual void NotifyNewPrintDeviceL( HBufC* aText, TInt aUid, 

                                           TBool aCached, TPrinterType aType,

                                           TUint aVendor ) = 0;

        /**

         *  Notification of error / cancellation of the sequence.

         *  Device discovery process is cancelled

         *

         *  @param aErrCode Error code  

         */

        virtual void DiscoveryError( TInt aErrCode ) = 0;

        /**

         *  Notifies completion of the device discovery.

         */

        virtual void DeviceDiscoveryCompleted() = 0;

        /**

         *  Removes cached printer as it is not found

         *

         *  @param aUid     Uid that is associated with the print device

         */

        virtual void RemoveCachedPrinterL( TInt aUid ) = 0;

    };

#endif //  MDISCOVERYOBSERVER_H

//  End of File