/*

* Copyright (c) 2007-2008 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:    The playback factory, configures the playback for the slideshow

 *

*/

#ifndef __CSHWPLAYBACKFACTORY_H__

#define __CSHWPLAYBACKFACTORY_H__

// INCLUDES

#include <e32std.h>

#include <e32base.h>

// Forward declarations

class CAlfEnv;

class MGlxVisualList;

class MGlxMediaList;

class MShwEventObserver;

class MShwEventPublisher;

class TShwEffectInfo;

class MShwMusicObserver;

// CLASS DECLARATION

/**

 * CShwPlaybackFactory

 * 

 * @lib shwslideshowengine.lib

 * @internal reviewed 08/06/2007 by Kimmo Hoikka

 */

NONSHARABLE_CLASS( CShwPlaybackFactory ) : public CBase

    {

    public: // Constructors and destructor

        /**

         * Constructor

         * @param aHuiEnv the HUI environment

         * @param aVisualList the visual list of the slide show

         * @param aMediaList the media list for the show

         * @param aMusicObserver the music control observer. 

         * @param aScreenSize the screen size to use

         */

        static CShwPlaybackFactory* NewL(

            CAlfEnv* aAlfEnv, 

            MGlxVisualList* aVisualList,

            MGlxMediaList* aMediaList,

            MShwMusicObserver& aMusicObserver, 

            TSize aScreenSize );

        /**

         * Destructor.

         */

        ~CShwPlaybackFactory();

    private:

        /**

         * C++ constructor

         */

        CShwPlaybackFactory();

    public: // the API

        /**

         * @return the event observers.

         * Note! ownership of the real objects stays in the factory.

         */

        RPointerArray< MShwEventObserver > EventObservers();

        /**

         * @return the event publishers.

         * Note! ownership of the real objects stays in the factory.

         */

        RPointerArray< MShwEventPublisher > EventPublishers();

        /// @ref CShwSlideshowEngine::AvailableEffectsL

        static void AvailableEffectsL( RArray<TShwEffectInfo>& aEffects );

    private:

        /// Own: The implementation of the class, hidden from the clients

        class CShwPlaybackFactoryImpl;

        CShwPlaybackFactoryImpl* iImpl;

    };

#endif // __CSHWPLAYBACKFACTORY_H__