--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/meetingrequest/mrcalremoteattachment/api/inc/mcalremoteattachmentoperationobserver.h	Wed Mar 31 21:08:33 2010 +0300
@@ -0,0 +1,73 @@
+/*
+* Copyright (c) 2009 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 MCALREMOTEATTACHMENTOPERATIONOBSERVER_H
+#define MCALREMOTEATTACHMENTOPERATIONOBSERVER_H
+
+#include <e32def.h>
+
+class MCalRemoteAttachmentOperation;
+class RFile;
+
+/**
+ * MCalRemoteAttachmentOperationObserver is used for indicating
+ * attachment download operation progress and completion.
+ */
+class MCalRemoteAttachmentOperationObserver
+    {
+public: // Destruction
+    
+	/**
+	 * Virtual desttructor
+	 */
+	virtual ~MCalRemoteAttachmentOperationObserver() {}
+	
+public: // Interface	
+	
+	/**
+	 * Indicates about operation progress.
+	 * @param aOperation Pointer to operation that was completed.
+	 * @param aPercentageCompleted how many percent is done.
+	 */
+	virtual void Progress(
+	         MCalRemoteAttachmentOperation* aOperation,
+			 TInt aPercentageCompleted ) = 0;
+	
+	/**
+	 * Called when operation is completed. Command is allowed to close file handle
+	 * after calling this method. Observer needs to duplicate file handle if 
+	 * needed afterwards.
+	 * 
+	 * @param aOperation Pointer to operation that was completed.
+	 */ 
+	virtual void OperationCompleted(
+	        MCalRemoteAttachmentOperation* aOperation,
+            RFile& aAttachment ) = 0;
+			
+	/**
+	 * Called when operation error occured.
+	 * @param aOperation Pointer to operation.
+	 * @param aErrorCode Defines operation error code.
+	 */ 
+	virtual void OperationError(
+	        MCalRemoteAttachmentOperation* aOperation,
+            TInt aErrorCode ) = 0;	
+	};
+
+#endif // MCALREMOTEATTACHMENTOPERATIONOBSERVER_H
+
+// EOF