1 /*

     2 * Copyright (c) 2009 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 #ifndef MCALREMOTEATTACHMENTOPERATIONOBSERVER_H

    19 #define MCALREMOTEATTACHMENTOPERATIONOBSERVER_H

    20 

    21 #include <e32def.h>

    22 

    23 class MCalRemoteAttachmentOperation;

    24 class RFile;

    25 

    26 /**

    27  * MCalRemoteAttachmentOperationObserver is used for indicating

    28  * attachment download operation progress and completion.

    29  */

    30 class MCalRemoteAttachmentOperationObserver

    31     {

    32 public: // Destruction

    33     

    34 	/**

    35 	 * Virtual desttructor

    36 	 */

    37 	virtual ~MCalRemoteAttachmentOperationObserver() {}

    38 	

    39 public: // Interface	

    40 	

    41 	/**

    42 	 * Indicates about operation progress.

    43 	 * @param aOperation Pointer to operation that was completed.

    44 	 * @param aPercentageCompleted how many percent is done.

    45 	 */

    46 	virtual void Progress(

    47 	         MCalRemoteAttachmentOperation* aOperation,

    48 			 TInt aPercentageCompleted ) = 0;

    49 	

    50 	/**

    51 	 * Called when operation is completed. Command is allowed to close file handle

    52 	 * after calling this method. Observer needs to duplicate file handle if 

    53 	 * needed afterwards.

    54 	 * 

    55 	 * @param aOperation Pointer to operation that was completed.

    56 	 */ 

    57 	virtual void OperationCompleted(

    58 	        MCalRemoteAttachmentOperation* aOperation,

    59             RFile& aAttachment ) = 0;

    60 			

    61 	/**

    62 	 * Called when operation error occured.

    63 	 * @param aOperation Pointer to operation.

    64 	 * @param aErrorCode Defines operation error code.

    65 	 */ 

    66 	virtual void OperationError(

    67 	        MCalRemoteAttachmentOperation* aOperation,

    68             TInt aErrorCode ) = 0;	

    69 	};

    70 

    71 #endif // MCALREMOTEATTACHMENTOPERATIONOBSERVER_H

    72 

    73 // EOF