/*

* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:      Implementation of UI functionality for category list.*

*/

#ifndef VCXHGMYVIDEOSCATEGORYLISTIMPL_H

#define VCXHGMYVIDEOSCATEGORYLISTIMPL_H

// INCLUDE FILES

#include <ganes/HgSelectionObserverIface.h> 

#include "vcxhgmyvideoslistbase.h"

// FORWARD DECLARATIONS

class CVcxHgMyVideosCategoryModelHandler;

class CVcxHgMyVideosModel;

class CVcxHgMyVideosMainView;

class CHgScroller;

// CLASS DECLARATION

/**

 * Implementation of UI functionality for category list.

 * 

 * @lib vcxhgmyvideos.lib

 */

NONSHARABLE_CLASS( CVcxHgMyVideosCategoryListImpl ) : public CVcxHgMyVideosListBase,

                                                      public MHgSelectionObserver

    {

    public:

        /**

         * Two-phased constructor.

         *

         * @param aModel Component model

         * @param aView Component view

         * @param aScroller Hg list control

         * @return Pointer to newly created instance

         */

        static CVcxHgMyVideosCategoryListImpl* NewL(

            CVcxHgMyVideosModel& aModel,

            CVcxHgMyVideosMainView& aView,

            CHgScroller& aScroller );

        /**

         * Two-phased constructor.

         *

         * @param aModel Component model 

         * @param aView Component view

         * @param aScroller Hg list control

         * @return Pointer to newly created instance

         */

        static CVcxHgMyVideosCategoryListImpl* NewLC(

            CVcxHgMyVideosModel& aModel,

            CVcxHgMyVideosMainView& aView,

            CHgScroller& aScroller );

        /**

        * Destructor.

        */

        virtual ~CVcxHgMyVideosCategoryListImpl();

        /**

         * Activate

         * 

         * @param aIndex Index of video list to activate.

         */

        void DoListActivateL( TInt aIndex = KErrNotFound );

        /**

         * Deactivate

         */

        void DoListDeactivate();

        /**

         * Gets list highlight.

         * 

         * @return Highlight.

         */

        TInt Highlight();     

    public: // From MHgSelectionObserver

        /**

         * Handle selection.

         * 

         * @param aIndex Selected item index.

         */

        void HandleSelectL( TInt aIndex );

        /**

         * Handle opening.

         * 

         * @param aIndex Opened item index.

         */

        void HandleOpenL( TInt aIndex );

    protected:    

        /**

         * Default constructor

         *

         * @param aModel Component model

         * @param aView Component view

         * @param aScroller Hg list control

         */

        CVcxHgMyVideosCategoryListImpl( CVcxHgMyVideosModel& iModel,

                                        CVcxHgMyVideosMainView& aView,

                                        CHgScroller& aScroller );

        /**

         * 2nd phase constructor.

         */

        void ConstructL();

        /**

         * Set empty list text for list control. 

         */

        void SetEmptyListTextL();

        /**

         * Set title text for view.

         * 

         * @param aIndex Index of active video list.

         */

        void SetTitleTextL( TInt aIndex );

    protected:

        /**

         * Category model handler.

         * Own.

         */

        CVcxHgMyVideosCategoryModelHandler* iCategoryModel;

    };

#endif // VCXHGMYVIDEOSCATEGORYLISTIMPL_H