1 /*

     2 * Copyright (c) 2007-2008 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:  ICal viewer's observer interface.

    15 *

    16 */

    17 

    18 

    19 #ifndef MESMRICALVIEWEROBSERVER_H

    20 #define MESMRICALVIEWEROBSERVER_H

    21 

    22 // INCLUDES

    23 #include <e32cmn.h>

    24 //<cmail>

    25 #include "esmricalviewerdefs.hrh"      // tesmrmeetingrequestmethod

    26 #include "esmricalvieweropcodes.hrh"   // tesmricalvieweroperationtype

    27 //</cmail>

    28 

    29 // FORWARD DECLARATIONS

    30 class CFSMailMessage;

    31 

    32 // CLASS DECLARATIONS

    33 /**

    34  * ICal viewer's observer interface.

    35  * This is used to signal client about asynchronous operation's completion.

    36  */

    37 class MESMRIcalViewerObserver

    38     {

    39     public: // Types

    40         /**

    41          * Result for iCal viewer operation

    42          */

    43         struct TIcalViewerOperationResult

    44             {

    45             /// Own: Type of the operation

    46             TESMRIcalViewerOperationType iOpType;

    47             /// Own: Operation result e.g. KErrCancel if user has canceled operation.

    48             ///         System wide error code.

    49             TInt iResultCode;

    50             /// Own: Relevant only if the iOpType is EResolveMRMethod

    51             TESMRMeetingRequestMethod iMethod;

    52             /// Ref: Mail message related to this operation

    53             CFSMailMessage* iMessage;

    54             /// Own: Relevant only when user has responsed to MR

    55             ///      Otherwise this is always set to EESMRAttendeeStatusUnknown

    56             TESMRAttendeeStatus iAttendeeStatus;

    57             };

    58 

    59     public: // New functions

    60         /**

    61          * Called when the operation is completed succesfully.

    62          *

    63          * @param aResult A result of the operation.

    64          */

    65         virtual void OperationCompleted(

    66                         TIcalViewerOperationResult aResult ) = 0;

    67 

    68         /**

    69          * Called when error occurs during the operation.

    70          *

    71          * @param aResult error result of the operation.

    72          */

    73         virtual void OperationError(

    74                         TIcalViewerOperationResult aResult ) = 0;

    75 

    76         /**

    77          * Returns an extension point for this interface or NULL.

    78          * @param aExtensionUid Uid of extension

    79          * @return Extension point or NULL

    80          */

    81         virtual TAny* MRIcalViewerObserverExtension(

    82                 TUid /*aExtensionUid*/ ) { return NULL; }

    83 

    84     protected: // construction and destruction

    85         /**

    86          * C++ Destructor

    87          */

    88         virtual ~MESMRIcalViewerObserver() { }

    89     };

    90 

    91 #endif // MESMRICALVIEWEROBSERVER_H

    92 

    93 // End of file