/*

* Copyright (c) 2002 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:  See class description below.

*

*/

#ifndef __CPENGPLUGINHOLDER_H__

#define __CPENGPLUGINHOLDER_H__

//  INCLUDES

#include <e32def.h>

class CPEngPluginInterface2;

//  CLASS DEFINITION

/**

 *

 *

 *

 *

 * @lib

 * @since 3.0

 */

class CPEngPluginHolder : public CBase

    {

    public:		// Constructors and destructors

        static CPEngPluginHolder* NewL();	// Static constructor

        static CPEngPluginHolder* NewLC(); // Static constructor

        virtual ~CPEngPluginHolder();				// Destructor (virtual)

    public:	// New methods

        /**

         * Returns the uid of the held plugin.

         *

         * @since 3.0

         * @return The uid

         */

        TUid Uid() const;

        /**

         * Check if the plugin is currently loaded.

         *

         * @since 3.0

         * @return ETrue if the plugin is loaded.

         */

        TBool Loaded() const;

        void LoadPluginL( TUid aPluginUid );

        const CPEngPluginInterface2* Interface() const;

    protected:	// Constructors and destructors

        CPEngPluginHolder();// Default constructor, protected to allow derivation

        void ConstructL();		// Second phase construct

    private:	// Data

        //Filename of the plugin

        TUid iUid;

        //Pointer to plugin's interface, OWNED

        CPEngPluginInterface2* iPlugin;

    };

#endif      //  __CPENGPLUGINHOLDER_H__