--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/harvester/client/inc/harvestereventobserverao.h	Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,114 @@
+/*
+* Copyright (c) 2007-2009 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 HARVESTEREVENTOBSERVERAO_H
+#define HARVESTEREVENTOBSERVERAO_H
+
+#include <e32base.h>	// For CActive, link against: euser.lib
+#include <e32std.h>		// For RTimer, link against: euser.lib
+#include <e32msgqueue.h>
+
+#include "harvestercommon.h"
+
+class RHarvesterClient;
+class MHarvesterEventObserver;
+
+struct THarvesterEventObserver
+	{
+	MHarvesterEventObserver& iObserver;
+	THarvesterEventObserverInfo iObserverInfo;
+	
+	THarvesterEventObserver(MHarvesterEventObserver& aObserver) : iObserver(aObserver) {}
+	
+	static TInt CompareObserverIds(
+			const THarvesterEventObserver& aFirst, 
+			const THarvesterEventObserver& aSecond)
+		{
+		if( aFirst.iObserverInfo.iObserverId < aSecond.iObserverInfo.iObserverId )
+			{
+			return -1;
+			}
+		else if( aFirst.iObserverInfo.iObserverId > aSecond.iObserverInfo.iObserverId )
+			{
+			return 1;
+			}
+		else
+			{
+			return 0;
+			}
+		}
+	};
+
+NONSHARABLE_CLASS( CHarvesterEventObserverAO ) : public CActive
+	{
+public:
+	// Cancel and destroy
+	~CHarvesterEventObserverAO();
+
+	// Two-phased constructor.
+	static CHarvesterEventObserverAO* NewL( RHarvesterClient& aHC );
+
+	// Two-phased constructor.
+	static CHarvesterEventObserverAO* NewLC( RHarvesterClient& aHC );
+
+public:
+	// New functions
+	// Function for making the initial request
+	void AddHarvesterEventObserverL( 
+			MHarvesterEventObserver& aHarvesterEventObserver, 
+			TInt aHEObserverType,
+    		TInt aEventInterval );
+	
+	void RemoveHarvesterEventObserverL( MHarvesterEventObserver& aHarvesterEventObserver );
+
+private:	
+	// C++ constructor
+	CHarvesterEventObserverAO( RHarvesterClient& aHC );
+
+	// Second-phase constructor
+	void ConstructL();
+	
+	/**
+	 * Get next free observer ID
+	 * @return Observer ID
+	 */
+	TUint NextObserverId();
+
+	/**
+	 * Get handle to event queue. Creates event queue if it doesn't exist. 
+	 * @return Event queue handle
+	 */
+	RHandleBase& GetEventQueueHandleL();
+
+private:
+	// From CActive
+	// Handle completion
+	void RunL();
+
+	// How to cancel me
+	void DoCancel();
+
+	// Override to handle leaves from RunL(). Default implementation causes
+	// the active scheduler to panic.
+	TInt RunError(TInt aError);
+
+private:	
+	RPointerArray<THarvesterEventObserver> iObservers;
+	THarvesterEventQueue iHarvesterEventQueue;
+	RHarvesterClient& iHarvesterClient;
+	};
+
+#endif // HARVESTEREVENTOBSERVERAO_H