/*

* 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:  Low memory observer for havester server

*

*/

#ifndef __HARVESTEROOMAO_H__

#define __HARVESTEROOMAO_H__

// INCLUDES

#include <e32std.h>

#include <e32base.h>

#include <e32msgqueue.h>

// CLASS DECLARATION

/**

 * MHarvesterPluginObserver

 */

class MHarvesterOomObserver

	{

    public:

    	virtual void MemoryLow() = 0;

    	virtual void MemoryGood() = 0;

	};

/**

*  CMdSOomPlugin

* 

*/

class CHarvesterOomAO : public CActive

	{

public:

	// Constructors and destructor

	static CHarvesterOomAO* NewL( MHarvesterOomObserver& aObserver );

	/**

	 * Destructor.

	 */

	virtual ~CHarvesterOomAO();	

    /**

     * Standard RunL-method.

     * From CActive.

     */       

    void RunL();

    /**

     * From CActive.

     */       

    void DoCancel();

    /**

     * From CActive.

     * @param aError  Leave error code.

     * @return Always KErrNone.

     */       

    TInt RunError( TInt aError );

private:

	/**

	 * Constructor for performing 1st stage construction

	 */

	CHarvesterOomAO( MHarvesterOomObserver& aObserver );

	/**

	 * default constructor for performing 2nd stage construction

	 */

	void ConstructL();

private:

	RMsgQueue<TInt> iOomMsgQueue;

	MHarvesterOomObserver* iObserver;

	};

#endif /*__HARVESTEROOMAO_H__*/