/*

* Copyright (c) 2007 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 C_CCHSWIPLUGIN_H

#define C_CCHSWIPLUGIN_H

#include <contentharvesterplugin.h>

#include <apgnotif.h>

#include "chswimassmodeobserver.h"

class MLiwInterface;

class CLiwGenericParamList;

class CCHSwiUsbHandler;

class CCHSwiUsbObserver;

/**

 *  Active Data plugin for SIS installation events.

 *

 *  @since S60 S60 v3.1

 */

class CCHSwiPlugin: public CContentHarvesterPlugin,

        MApaAppListServObserver, MCHSwiMassModeObserver

	{

public:

	/**

	 * Two-phased constructor.

     * @param aInterface liw interface

	 */

	static CCHSwiPlugin* NewL( MLiwInterface* aInterface );

	/**

	 * Destructor.

	 */

	virtual ~CCHSwiPlugin();			 		

	/**

	 * From CContentHarvesterPlugin.

	 * This function updates all data entries which could change when an applicaion is installed

	 * or when the MMC is removed/inserted.

	 */

	void UpdateL();

private:

	// from MCHSwiMassModeObserver

	void SetMassStorageMode( TBool aMode );

	TBool IsMassStorageMode();

	void HandleMassStorageModeEndEvent();

	void HandleSuccessfulAsynchDriveScan();

    // from MApaAppListServObserver

    void HandleAppListEvent( TInt aEvent );    

    /**

	 * Performs the second phase construction of a CADatSwi object.

	 */		

	void ConstructL();

	/**

	 * Default Constructor.

	 * @param aActiveSpace An instance of the Active Space Client.

	 */

	CCHSwiPlugin( MLiwInterface* aInterface );

    /**

     * Removes publishers from database when an applicaion 

     * is uninstalled or when the MMC is removed.

     */

	void UpdateWidgetsL();

	/**

	 * Removes widgets.

	 * @param aWidgets Widgets list.

	 */

	void RemoveWidgetsL( CLiwGenericParamList* aWidgets );

	/** 

	 * Removes single widget.

	 * @param aType Widget type.

	 * @param aPublisherId Widget UID.

	 */

	void RemoveWidgetL( const TDesC& aType, 

        const TDesC& aPublisherId );

    /**

     * Checks if mass memory is available

     * @return ETrue if internal mass memory is available in this device

     *     EFalse if not

     */

    TBool InternalMassMemoryAvailable( );

private:

    /**

     * An interface to Content Publisher Service

     */

    MLiwInterface* iCPSInterface;

    /**

     * AppArc session.

     * Own.

     */     

    RApaLsSession iApaLsSession;

    /**

     * File session.

     */

    RFs iFs;

    /**

     * Change notifier.

     * Own.

     */

    CApaAppListNotifier* iNotifier; 

    /**

     * Mass storage mode handler. 

     * Own.

     */

    CCHSwiUsbHandler* iUsbHandler;

    /**

     * Disk observer for monitoring status of mass drive. 

     * Own.

     */

    CCHSwiUsbObserver* iUsbObserver;

    /**

     * Mass storage mode flag.

     */

    TBool iMassStorageMode;

    /*

     * Flag indicating if mass memory is available on this hardware

     */

    TBool iMassMemoryAvailable;

	};

#endif // C_CCHSWIPLUGIN_H