/*

* 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:  

*

*/

#ifndef HNCONTROLLERINTERFACE_H

#define HNCONTROLLERINTERFACE_H

#include "hnsuiteobserver.h"

class CLiwGenericParamList; 

/**

 * @ingroup group_hnengine

 * User interface refresh type 

 */

enum THnUiRefreshType

    {

        ERefreshSuite,

        ERefreshToolbar,

        EStartEditMode,

        EStopEditMode,

        EZoomLarge,

        EZoomSmall,

        EZoomNormal,

        EForegroundGain,

        EBackgroundGain,

        ELightOn,

        ELightOff,

        ERemoveLiwObjects

    };

/**

 * @ingroup group_hnengine

 * UI refresh observer. The implementing class can be notified about the ui being refreshed.

 *

 * @lib hnengine

 * @since S60 v3.2

 */

class MHnControllerInterface : public MHnSuiteObserver

    {

public:

    /**

     * Called when the ui needs to be refreshed,

     * for a reason indicated in aRefreshType.

     *

     * @since S60 v3.2

     * @param aRefreshType Defines reason for refresh.

     */

    virtual void NotifyUiRefreshL( const THnUiRefreshType aRefreshType ) = 0;

    /**

     * Trigger appropriate action on suite model.

     * 

     * @param aCustomSuiteEvent Event that is associated

     *                          with the lifecycle of a suite

     * @param aModel Suite model on that custom event should be performed.

     */

    virtual void HandleSuiteEventL ( THnCustomSuiteEvent aCustomSuiteEvent, 

            CHnSuiteModel *aModel ) = 0;

    /**

     * Whenever an action for extension manager occurs it invokes

     * this method to execute one, passing the information needed

     * by extension manager about the action as a parameters.

     * 

     * @param aUid UID of the ECom plugin's.

     * @param aCommand Command which has to be executed on the plugin.

     *                 Request to the Service.

     * @param aEventParamList List of the event parameters needed to

     *                        execute action. Extention Manager is its owner.

     * @return Number representing error code.

     */

    virtual TInt ExecuteExtensionActionL( const TUid aUid , const TDesC& aCommand,

            CLiwGenericParamList* aEventParamList ) = 0;

    };

#endif //HNCONTROLLERINTERFACE_H