/*
* Copyright (c) 2007-2010 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:  Declarition of CSCSettingsUiModel
*
*/

 
#ifndef C_CSCSETTINGSUIMODEL_H
#define C_CSCSETTINGSUIMODEL_H

#include "mcscengcchobserver.h"
#include "mcscengserviceobserver.h"
#include "mcscengprovisioningobserver.h"

class CCSCEngCCHHandler;
class CCSCEngServiceHandler;
class CCSCEngBrandingHandler;
class CCSCEngDestinationsHandler;
class MCSCSettingsUiModelObserver;
class CCSCEngServicePluginHandler;
class MCSCEngProvisioningObserver;

/**
 *  CCSCSettingsUiModel class
 *  Declarition of CCSCSettingsUiModel.
 *
 *  @lib CSCSettingsUi.lib
 *  @since S60 v3.2
 */
NONSHARABLE_CLASS( CCSCSettingsUiModel ) : public CBase,
                                           public MCSCEngCCHObserver,
                                           public MCSCEngServiceObserver,
                                           public MCSCEngProvisioningObserver
    {
public: 
        
    /**
     * Two-phased constructor.
     * @param aObserver for settings ui observer
     * @param aEikEnv for Eikon environment
     */
    static CCSCSettingsUiModel* NewL(
        MCSCSettingsUiModelObserver& aObserver,
        CEikonEnv& aEikEnv );


    /**
     * Two-phased constructor.
     * @param aObserver for settings ui observer
     * @param aEikEnv for Eikon environment
     */
    static CCSCSettingsUiModel* NewLC(
        MCSCSettingsUiModelObserver& aObserver,
        CEikonEnv& aEikEnv );

    /**
     * Destructor.
     */
    virtual ~CCSCSettingsUiModel();

    /**
     * Returns reference to CSC's Service Provider Settings Handler.
     *
     * @since S60 v3.2
     * @return reference to SPS handle
     */
    CCSCEngServiceHandler& SettingsHandler() const;

    /**
     * Returns reference to CSC's Converged Connection Handler.
     *
     * @since S60 v3.2
     * @return reference to CCH handle
     */
    CCSCEngCCHHandler& CCHHandler() const;

    /**
     * Returns reference to CSC's Destinations Handler.
     *
     * @since S60 v3.2
     * @return reference to Destinations handle
     */
    CCSCEngDestinationsHandler& DestinationsHandler() const;

    /**
     * Returns reference to CSC's Branding Server Handler.
     *
     * @since S60 v3.2
     * @return reference to Branding Server handle
     */
    CCSCEngBrandingHandler& BSHandler() const;

    /**
     * Returns reference to CSC's Service Plugin Handler.
     *
     * @since S60 v5.2
     * @return Reference to Service Plugin Handler.
     */
    CCSCEngServicePluginHandler& ServicePluginHandler() const;

    /**
     * Stores initialization information.
     * Function leaves if given service doesn't exists.
     *
     * @since S60 v3.2
     * @param aViewId for view id to be activated when exiting
     * @param aServiceId for service settings entry id
     */
    void StoreInitializationDataL(
        const TUid& aViewId, 
        TUint aServiceId );

    /**
     * To notify when softkeys need to be changed.
     *
     * @since S60 v3.2
     */
    void UpdateSoftkeys();

    /**
     * Returns uid of the view where to be returned.
     *
     * @since S60 v3.2
     * @return uid of the return view
     */
    TUid ReturnViewId() const;

    /**
     * Returns currently selected service provider entry id.
     *
     * @since S60 v3.2
     * @return id of the currently selected service entry id
     */
    TUint CurrentSPEntryId() const;

// from base class MCSCEngCCHObserver

    /**
     * From MCSCEngCCHObserver.
     */
    void ServiceStatusChanged(
        TUint aServiceId, 
        TCCHSubserviceType aType, 
        const TCchServiceStatus& aServiceStatus );       

// from base class MCSCEngServiceObserver

    /**
     * From MCSCEngServiceObserver.
     */
    void NotifyServiceChange();

// from base class MCSCProvisioningObserver
    
    /**
     * From MCSCProvisioningObserver
     * Notifies when configuring of service plug-in is done.
     *
     * @since S60 v3.2
     * @param aResponse plug-in response type
     * @param aIndex index
     * @param aPluginUid plugins uid
     */
    void NotifyServicePluginResponse( 
        const CCSCEngServicePluginHandler::TServicePluginResponse& aResponse, 
        const TInt aIndex, 
        const TUid& aPluginUid );

private:

    CCSCSettingsUiModel( 
        MCSCSettingsUiModelObserver& aObserver,
        CEikonEnv& aEikEnv );

    void ConstructL();

private: // data

    /**
     * Reference to settings ui model observer.
     */
    MCSCSettingsUiModelObserver& iObserver;

    /**
     * Reference to Eikon environment.
     */
    CEikonEnv& iEikEnv;

    /**
     * Handle to CSC's Service Provider Settings Handler.
     * Own.
     */
    CCSCEngServiceHandler* iSPSHandler;

    /**
     * Handle to CSC's Converged Connection Handler.
     * Own.
     */
    CCSCEngCCHHandler* iCCHHandler;

    /**
     * Handle to CSC's Destinations Handler.
     * Own.
     */
    CCSCEngDestinationsHandler* iDestinationsHandler;

    /**
     * Handle to CSC's Branding Server Handler.
     * Own.
     */
    CCSCEngBrandingHandler* iBSHandler;

    /**
     * CSC's Service Plugin Handler.
     * Own.
     */
    CCSCEngServicePluginHandler* iServicePluginHandler;

    /**
     * Initialization data: Customer application return view id.
     */
    TUid iViewId;

    /**
     * Initialization data: Service Provider Settings Entry id.
     */
    TUint iServiceId;      
    };

#endif // C_CSCSETTINGSUIMODEL_H