--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sapi_calendar/calendarservice/inc/asyncreqobserver.h	Mon Mar 30 12:51:10 2009 +0300
@@ -0,0 +1,98 @@
+/*
+* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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 __ASYNCREQOBSERVER_H
+#define __ASYNCREQOBSERVER_H
+
+
+/**
+ * Structure for storing transaction id and associated active object.
+*/
+struct TAsyncRequestInfo
+	{
+
+    /**
+     * TransactionId
+    */
+	TInt32 iTransactionId;
+
+    /**
+     * Active object pointer
+    */
+	CCalendarASyncRequest* iAsyncObj;
+	};	
+	
+
+/**
+ *  Class used to get callback notification from async request module 
+ *	about completion of request. 
+*/
+class CAsyncRequestObserver : public CBase
+	{
+	public:
+	
+		/**
+		 * Two-Phase Constructor
+		*/ 
+		static CAsyncRequestObserver* NewL();
+		
+		/**
+		 * Destructor
+		*/ 
+		~CAsyncRequestObserver();
+		
+		/**
+		   * Notifies about the completeion of an async request
+		   * @param aTransactionId TransactionId of Asynchronous request object
+		   * @return void
+	  	*/
+		void RequestComplete( const TInt32 aTransactionId );
+
+		/**
+		 * Cancels asynchronous request
+		 * @param aTransactionId     asynchronous transaction id
+		 * @param aResult        error code
+		*/ 				
+		TInt Cancel( const TInt32 aTransectionID );
+		
+		/**
+		 * Adds asynchronous request object
+		 * @param aTransactionId Transcation Id os Async object
+		 * @param aAsyncObj  Async object
+		*/ 
+		void AddAsyncObjL( const TInt32 aTransactionId, CCalendarASyncRequest* aAsyncObj );
+
+	private:
+	   /**
+		 * Deletes all the Asynchronous request objects
+		*/
+		void DeleteAsyncObjects();
+
+	
+	private:
+
+		/**
+		 * Contains handles of all asynchronous requests
+	  	*/ 
+		RArray<TAsyncRequestInfo> iAsyncObjArray;
+		
+	};
+	
+
+
+#endif __ASYNCREQOBSERVER_H
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