/*

* Copyright (c) 2006-2006 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 CHARVESTERPLUGINVALIDATOR_H

#define CHARVESTERPLUGINVALIDATOR_H

// INCLUDES

#include <e32base.h>

#include <e32hashtab.h>

#include "cpluginvalidator.h"

// FORWARD DECLARATIONS

class CBlacklistHandler;

//CONSTS

//PubSub Category AI plug-in registry API

const TUid KPSUidActiveIdle2 =  {0x102750F0}; // ActiveIdle2 SID

// Indicates that all the CPS Harvester plugins have been updated

const TUint KActiveIdleCpsPluginsUpdated = 0x0000000C;

enum EPSActiveIdleCpsPluginsUpdated

    {

    EPSAiPluginsNotUpdated = 0,

    EPSAiPluginsUpdated

    };

/**

 *  Class used to maintain required ECOM plugins implementations

 *

 *

 *  @lib cpclient.dll

 *  @since S60 v 5.0

 */

NONSHARABLE_CLASS( CHarvesterPluginValidator ): public CPluginValidator

    {

public:

    /**

     * Two-phased constructor.

     *

     */

    IMPORT_C static CHarvesterPluginValidator* NewL( TUid aUid,

                                            TAny *aParameter = NULL );

    /**

     * Two-phased constructor.

     *

     */

    IMPORT_C static CHarvesterPluginValidator* NewLC( TUid aUid,

                                             TAny *aParameter = NULL );

    /**

     * Desctructor.

     */

    ~CHarvesterPluginValidator();

private:

    /**

     * C++ default constructor.

     */

  CHarvesterPluginValidator( TUid aUid, TAny *aParameter );

    /**

     * Perform the second phase construction of a CPluginValidator object.

     */

    void ConstructL();

    /**

     * Loads or destroys plugins

     */

    void ManagePluginsL();

    /**

     * Loads ECOM plugins

     */

    void LoadPluginL( TPluginInfo& aPluginInfo );

    /**

     * Calls UpdateL() for every plugin

     */

    void UpdatePluginsL();

    /**

     * Callback used for delayed update

     */

    static TInt UpdateCallback( TAny* aValidator );

private:

    /**

     * Blacklist Handler

     * Own

     */

    CBlacklistHandler* iBlacklist;

    /*

     * Property indicating the status of load operation

     * Own

     */

    RProperty iInProgressProperty;

    /*

     * Idle AO used for delayed update

     * Own

     */

    CIdle* iUpdateIdle;

    };

#endif // CHARVESTERPLUGINVALIDATOR_H