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:  Low memory observer for havester server

    15 *

    16 */

    17 

    18 #ifndef __HARVESTEROOMAO_H__

    19 #define __HARVESTEROOMAO_H__

    20 

    21 

    22 // INCLUDES

    23 #include <e32std.h>

    24 #include <e32base.h>

    25 #include <e32msgqueue.h>

    26 

    27 // CLASS DECLARATION

    28 

    29 /**

    30  * MHarvesterPluginObserver

    31  */

    32 class MHarvesterOomObserver

    33 	{

    34     public:

    35     	virtual void MemoryLow() = 0;

    36     	virtual void MemoryGood() = 0;

    37 	};

    38 

    39 /**

    40 *  CMdSOomPlugin

    41 * 

    42 */

    43 class CHarvesterOomAO : public CActive

    44 	{

    45 public:

    46 	// Constructors and destructor

    47 	static CHarvesterOomAO* NewL( MHarvesterOomObserver& aObserver );

    48 	

    49 	/**

    50 	 * Destructor.

    51 	 */

    52 	virtual ~CHarvesterOomAO();	

    53 	

    54     /**

    55      * Standard RunL-method.

    56      * From CActive.

    57      */       

    58     void RunL();

    59 

    60     /**

    61      * From CActive.

    62      */       

    63     void DoCancel();

    64 

    65     /**

    66      * From CActive.

    67      * @param aError  Leave error code.

    68      * @return Always KErrNone.

    69      */       

    70     TInt RunError( TInt aError );

    71 

    72 

    73 private:

    74 

    75 	/**

    76 	 * Constructor for performing 1st stage construction

    77 	 */

    78 	CHarvesterOomAO( MHarvesterOomObserver& aObserver );

    79 	

    80 	/**

    81 	 * default constructor for performing 2nd stage construction

    82 	 */

    83 	void ConstructL();

    84 

    85     

    86 private:

    87 	

    88 	RMsgQueue<TInt> iOomMsgQueue;

    89 	MHarvesterOomObserver* iObserver;

    90 	

    91 	};

    92 

    93 

    94 #endif /*__HARVESTEROOMAO_H__*/