/*

* 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 "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:  Class that provides centralized access for UI classes 

*                to logic handling

*

*/

#ifndef     C_CVIMPSTUIVIEWMANAGER_H

#define     C_CVIMPSTUIVIEWMANAGER_H

// INCLUDES

#include <e32base.h>

#include <e32const.h>

#include "mvimpstengine.h"

// FORWARD DECLARATIONS

class MxSPViewInfo;

class CVIMPSTUIExtensionViewInfo;

class CEikonEnv;

class CVIMPSTUiExtensionFactory;

class CVIMPSTUIExtensionService;

class CVIMPSTUIMenuExtension;

// CLASS DECLARATION

/**

 *  

 *  This class provides access to logic handling behind UI.

 *

 *  @lib vimpstui.lib

 *  @since S60 5.0

 */

NONSHARABLE_CLASS( CVIMPSTUIViewManager ) : public CBase

    {

    public: // Constructor and destructor

        /**

         * Two-phased constructor.

         *

         * @param aServiceName, service name.

         * @param aExtensionFactory, extension factory

         */

        static CVIMPSTUIViewManager* NewL( 

            const TDesC& aServiceName,

            CVIMPSTUiExtensionFactory& aExtensionFactory );

        /**

         * Two-phased constructor.

         *

         * @param aServiceName, service name.

         * @param aExtensionFactory, extension factory

         */

        static CVIMPSTUIViewManager* NewLC(

            const TDesC& aServiceName,

            CVIMPSTUiExtensionFactory& aExtensionFactory );

        /**

         * Standard C++ destructor

         */    

        ~CVIMPSTUIViewManager();

    public:

        /**

         * Adds new client to use engine

         *

         * @param aServiceId, service id of the client

         * @param aEngine, reference to engine.

         * @param aTabbedViewId, tabbed view id for this service

         * @param aSearchViewId, details view id for this service

         */    

        void AddNewClientL( 

            TUint aServiceId,

            MVIMPSTEngine& aEngine,

            TInt aTabbedViewId,

            TInt aSearchViewId,

            TInt aBlockedViewId  ,

            CVIMPSTUIMenuExtension& aMenuExtension);

        /**

         * Returns reference to shared eik env instance.

         *

         * @since S60 5.0

         * @return CEikonEnv&, eik env reference

         */                         

        CEikonEnv& EikEnv();

        /**

         * Returns view info count.

         *

         * @since S60 5.0

         * @return Count of view info items

         */                                    

        TInt ViewInfoCount() const;

        /**

         * Returns specific view info object

         *

         * @since S60 5.0

         * @param aIndex, index of view info object.

         * @return View info object, ownerhsip is not passed.

         */                                            

        const MxSPViewInfo* ViewInfo( TInt aIndex ) const;

        /**

         * Returns service count

         *

         * @since S60 5.0

         * @return TInt, service count

         */                                                

        TInt ServiceCount() const;

        CVIMPSTUIExtensionService& Service( TInt aIndex ) const ;

        MVIMPSTEngine& Engine( TInt aIndex ) const;

    private:

        /**

         * Resolves service data object by service id. If service object

         * can not be found, leaves with KErrNotFound;

         *

         * @since S60 5.0

         * @param aServiceId, service id

         * @return CVIMPSTUIExtensionService, reference to service

         */                                

        CVIMPSTUIExtensionService& ResolveServiceL( 

            TUint aServiceId );

    private: // Implementation

        /**

         * Standard C++ constructor

         * @param aServiceName, service name.

         * @param aExtensionFactory, extension factory 

         */    

        CVIMPSTUIViewManager( 

            const TDesC& aServiceName,

            CVIMPSTUiExtensionFactory& aExtensionFactory );

        /**

         * Performs the 2nd phase of construction.

         */             

        void ConstructL();        

    private: // Data

        // Service provider settings handler

        const TDesC& iServiceName;        

        // Not own, shared eik env instance

        CEikonEnv*  iEikEnv;        

        // Own, services

        RPointerArray<CVIMPSTUIExtensionService> iServices;

        // Own, Array of view infos to be informed to xSP Extension Manager

        RPointerArray<CVIMPSTUIExtensionViewInfo> iViewInfos;

        // Extension factory

        CVIMPSTUiExtensionFactory&   iExtensionFactory;           

    };

#endif // C_CVIMPSTUIVIEWMANAGER_H

// End of file