/*

* Copyright (c) 2010 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 HARVESTEROBSERVER_H_

#define HARVESTEROBSERVER_H_

#include <mindexingpluginobserver.h>

#include "rsearchserversession.h"

#include <cindexingplugin.h>

#include "delayedcallback.h"

class CHarvesterObserver: public CBase, public MIndexingService,

                          public MDelayedCallbackObserver

    {

public:

    //Does not take ownership of aPluginToObserve

    static CHarvesterObserver* NewL( CIndexingPlugin* aPluginToObserve );

    static CHarvesterObserver* NewLC( CIndexingPlugin* aPluginToObserve );

    void ConstructL();

    ~CHarvesterObserver();

    void SetWaitTime(TTimeIntervalMicroSeconds32 aTimetoWait);

    void DelayedCallbackL(TInt aCode);

    void DelayedError(TInt aErrorCode);

//from MIndexingService

    void AddHarvestingQueue(CIndexingPlugin* aPlugin, const TDesC& aQualifiedBaseAppClass, TBool aForceReharvest = EFalse);

    void RemoveHarvestingQueue(CIndexingPlugin* /*aPlugin*/, const TDesC& /*aQualifiedBaseAppClass*/, TBool /*aRemovePersist = EFalse*/){};

    void HarvestingCompleted(CIndexingPlugin* aPlugin, const TDesC& aQualifiedBaseAppClass, TInt aError);

private:

    CHarvesterObserver( CIndexingPlugin* aPluginToObserve );

private:

    CIndexingPlugin* iObservedPlugin;

    RSearchServerSession iSearchSession;

public:

    CActiveSchedulerWait* iWaitForHarvester; //Needed public for finer grained control. 

    TTimeIntervalMicroSeconds32 iWaitTime;

    CDelayedCallback* iCallback;

    };

#endif /* HARVESTEROBSERVER_H_ */