1 /*

     2 * Copyright (c) 2005-2007 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  

    15 *

    16 */

    17 

    18 

    19 #ifndef MPBK2REMOTECONTACTLOOKUPVISIBILITY_H_

    20 #define MPBK2REMOTECONTACTLOOKUPVISIBILITY_H_

    21 

    22 namespace

    23     {

    24     enum TVariationFlag

    25         {

    26 	    EVisibilityUndefined = -1,

    27 	    EVisibilityAlwaysOFF, // 0

    28 	    EVisibilityOFFUntilNotFoundFromLocal, // 1

    29 	    EVisibilityAlwaysON	                  // 2 

    30 	    };    

    31     }

    32 

    33 // forward declarations

    34 class MPbk2CmdItemVisibilityObserver;

    35 

    36 

    37 class MPbk2RemoteContactLookupVisibilityImpl

    38     {

    39     public:

    40     

    41         /* Implements decesion logic on whether 

    42            "Search from remote" promotion is visible or not

    43            

    44            Callbacks to client should be implemented in ASYNC

    45            manner, as this impl may run during client's construction etc

    46         */   

    47 		virtual void NotifyVisibilityChange() = 0;

    48 

    49         /* @return a reference to TVariationFlag */

    50         virtual TVariationFlag Variation() = 0;    

    51     

    52         /*

    53         * @param aObserver: (i.e. nameslistcontrol's ready state obj)

    54         * obj who is interested in visibility on/off events

    55         */        

    56         virtual void SetVisibilityObserver(MPbk2CmdItemVisibilityObserver* aObserver) = 0;

    57     

    58             

    59     };

    60 

    61 

    62 #endif /* MPBK2REMOTECONTACTLOOKUPVISIBILITY_H_*/