/*

* 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:  Factory plugin loader

*

*/

#ifndef ALFFACTORYPLUGINLOADER_H

#define ALFFACTORYPLUGINLOADER_H

#include <osn/osndefines.h>

#include <memory>

using namespace std;

namespace Alf

    {

class IAlfFactoryPlugin;

class AlfFactoryPluginLoaderImpl;

/**

 *  @class AlfFactoryPluginLoader alffactorypluginloader.h "alf/alffactorypluginloader.h"

 *

 *  Factory plugin loader loads factory plugins. Loader will resolve factory 

 *  plugin based on given string and load factory which can create requested 

 *  product. Loader owns factory plugins. Factory products and their 

 *  derivatives must be destroyed before destroying a loader object.

 *

 *  @lib alfwidgetutils.lib

 *  @since S60 ?S60_version

 *  @status Draft

 */

class AlfFactoryPluginLoader

    {

public:  // Constructors and destructor

    /**

     * Constructor.

     *     

     * @exception std::bad_alloc Thrown if out of memory during the 

     *                           construction.

     */

    OSN_IMPORT AlfFactoryPluginLoader();

    /**

     * Destructor.

     */

    OSN_IMPORT virtual ~AlfFactoryPluginLoader();

public:

    /**

     * Load a factory plugin.

     *

     * @param aFactoryProduct Factory plugin is loaded based on a given string

     * @since S60 5.0

     * @return Pointer to IAlfFactoryPlugin or NULL. Ownership is not 

     *         transferred to caller.

     */

    OSN_IMPORT IAlfFactoryPlugin* loadFactoryPlugin(const char* aFactoryProduct);

private:

    /**

     * Copy Constructor

     */

    AlfFactoryPluginLoader(const AlfFactoryPluginLoader&);

    /**

     * Assignment Operator

     */

    AlfFactoryPluginLoader& operator=(const AlfFactoryPluginLoader&);

private:    // Data

    auto_ptr<AlfFactoryPluginLoaderImpl> mImpl;

    };

    } // namespace Alf

#endif

// End of File