/*

* Copyright (c) 2007 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:  Observer interface to use with CDiagPluginPool 

*

*/

#ifndef DIAGPLUGINPOOLOBSERVER_H

#define DIAGPLUGINPOOLOBSERVER_H

// INCLUDES

#include <e32cmn.h>     // TUid

#include <e32def.h>     // TInt

// FORWARD DECLARATIONS

class MDiagPlugin;

/**

*  Diagnostics Framework Plugin Pool Observer

*

*  This interface is called by CDiagPluginPool to notify the plug-in 

*  loading progress. This is used only for LoadAsyncL() scenario.

*

*  @since S60 v5.0

*/

class MDiagPluginPoolObserver 

    {

public:

    /**

    * Notify client of plug-in loading progress.

    *

    * @param aCurrPlugin   Current plugin index in loading process. 

    *                       Use it to display loading progress.

    * @param aPluginCount  Totals number of plug-ins

    * @param aLoadedPluginUid  Uid of the plug-in just loaded.

    */

    virtual void LoadProgressL( TUint aCurrentPlugin, 

                                TUint aPluginCount, 

                                const TUid& aLoadedPluginUid ) = 0;

    /**

    * Notify client of plug-in loading completion

    *

    * @param aError     KErrNone - Success

    *                   KErrCorrupt  - One ore more plugin could not

    *                   be loaded. 

    *                   KErrNoMemory - Not enough memory.

    */

    virtual void LoadCompletedL( TInt aError ) = 0;

    };

#endif // DIAGPLUGINPOOLOBSERVER_H

// End of File