/*

* 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:  Task monitor engine

 *

*/

#ifndef TSCPSNOTIFIER_H

#define TSCPSNOTIFIER_H

#include <e32base.h>

#include <liwcommon.h>

class CLiwGenericParamList;

class CLiwServiceHandler;

class MLiwInterface;

class CLiwDefaultMap;

class CLiwMap;

class CTsFswEngine;

NONSHARABLE_CLASS(CTSCpsNotifier) : 

    public CBase, 

    private MLiwNotifyCallback

    {

public:

    /**

     * Two-phased constructor.

     */

    static CTSCpsNotifier* NewL( CTsFswEngine& aEngine );

    /**

     * Destructor.

     */

    virtual ~CTSCpsNotifier();

private:

    /**

     * Constructor.

     */

    CTSCpsNotifier( CTsFswEngine& aEngine );

    /**

     * 

     */

    void ConstructL();

private:

    // Form base class MLiwNotifyCallback.

    /**

     * Callback from LIW framework to process an event that was expected.

     * @see MLiwNotifyCallback::HandleNotifyL

     */

    TInt HandleNotifyL( TInt aCmdId, 

            TInt aEventId,

            CLiwGenericParamList& aEventParamList,

            const CLiwGenericParamList& aInParamList );

private:

    /**

     * Create and return map filled with widgets identifiers

     */

    CLiwDefaultMap* WidgetFilterLC();

    /**

     * Initalise CPS service interface

     */

    void InitCpsInterfaceL();

    /**

     * Request for CPS notifications abou widgets

     */

    void ExecuteRegistrationCommandL( TUint aOption );

    /**

     * Obtain widget information and

     * forward widgets data change handling to iEngine

     */

    void HandleWidgetUpdateL( const CLiwMap& aChangeMap );

    /**

     * Obtain from CPS information about widget

     */

    void GetWidgetDataL( const TDesC& aContentId,

            TInt& aWidgetId,

            TInt& aBitmapHandle );

    /**

     * Obtain from CPS information about widget from data map

     */

    void GetWidgetDataFromDataMapL( const CLiwMap& aDataMap,

            TInt& aWidgetId,

            TInt& aBitmapHandle );

private:

    MLiwInterface* iCpsInterface;//own

    CLiwServiceHandler* iServiceHandler;//own

    CTsFswEngine& iEngine;//not own

    };

#endif //TSCPSNOTIFIER_H