/*

* Copyright (c) 2002-2004 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:  Ecom plugin Factory header.

*

*/

#ifndef C_ALFECOMPLUGINFACTORY_H

#define C_ALFECOMPLUGINFACTORY_H

#include <e32base.h>

#include <ecom/implementationinformation.h> // for typedeffed RImplInfoPtrArray

#include <alf/ialfinterfacebase.h>

namespace Alf

    {

/**

 *  @class CAlfEComPluginFactory alfecompluginfactory.h "alf/alfecompluginfactory.h"

 *  Base class for Ecom plugins. Takes care of ecom housekeeping.

 *

 *  @lib alfwidgetutils.lib

 *  @since S60 ?S60_version

 *  @status Draft

 */

class CAlfEComPluginFactory : public CBase, public IAlfInterfaceBase

    {

public:  // Constructors and destructor

    /**

    * Factory method to create plugin for given interface

    * @param aInterfaceUid UID of interface being queried/created.

    * @param aImplKey Implementation Key

    * @return An ecom plugin factory.

    */

    IMPORT_C static CAlfEComPluginFactory* createPluginFactory(

                        TUid aInterfaceUid,const char* aImplKey);

    /**

    * Destructor.

    */

    IMPORT_C virtual ~CAlfEComPluginFactory();

public:

    /**

     * List available interface implementations.

     * @since Series 60 3.2

     * @param aInterfaceUid: Interface Uid

     * @param aImplInfoArray: Place holder which gets populated 

     *                        after function call

     */

    IMPORT_C static void getImplementationsL(

                             TUid aInterfaceUid,

                             RImplInfoPtrArray& aImplInfoArray);

    /**

     * List available interface implementations.

     * @since Series 60 3.2

     * @param aInterfaceUid: Interface Uid

     * @param aImplKey Implementation Key

     * @param aImplInfoArray: Place holder which gets populated after 

     *                        function call

     */

    IMPORT_C static void getImplementationsL(TUid aInterfaceUid,

            const char* aImplKey,

            RImplInfoPtrArray& aImplInfoArray);

protected:

    /**

    * C++ default constructor.

    */

    IMPORT_C CAlfEComPluginFactory();

private:    // Data

    // Ecom instance release key

    TUid mDtorKey;

    };

    }

#endif

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