/*

* 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:

 *

*/

#ifndef C_WIDGETSTORAGEHANDLER_H

#define C_WIDGETSTORAGEHANDLER_H

class CCaStorageProxy;

class CCaWidgetDescription;

//  INCLUDES

#include <e32base.h>

#include "cawidgetdescription.h"

#include "castorage_global.h"

// CONSTANTS

// FORWARD DECLARATIONS

/**

 *  Widget Parser

 *

 *  @since Series Series60 5.x

 */

class CCaWidgetStorageHandler : public CBase

    {

public:

    CA_STORAGE_TEST_FRIEND_CLASS    (T_CaWidgetScanner)

public:

    // Constructors and destructor

    /**

     * Two-phased constructor.

     */

    static CCaWidgetStorageHandler* NewL( CCaStorageProxy* aStorage,

            RFs& aFs );

    static CCaWidgetStorageHandler* NewLC( CCaStorageProxy* aStorage,

            RFs& aFs );

    /**

     * Destructor.

     */

    virtual ~CCaWidgetStorageHandler();

    /**

     * Synchronizes widgets

     * @param aWidgets widgets to synchronize

     */

    void SynchronizeL( const RWidgetArray& aWidgets );

private:

    /**

     * Adds widget to storage.

     * @param aWidget widget to be added

     */

    void AddL( const CCaWidgetDescription* aWidget );

    /**

     * Updates widget in storage.

     * @param aWidget widget to be updated

     */

    void UpdateL( const CCaWidgetDescription* aWidget, TUint aEntryId );

    /**

     * Add/Updates widgets in DB

     * @param aWidgets widgets to add

     */

    void AddWidgetsL( const RWidgetArray& aWidgets );

    /**

     * Removes widgets from DB

     */

    void RemoveWidgetsL( ) ;

    /**

     * Fetch widgets from content storage

     */

    void FetchWidgetsL( );

    /**

     * Add widget to download collection

     * @param aEntry entry containing widget information

     */

    void AddWidgetToDownloadCollectionL( const CCaInnerEntry* aEntry );

    /**

     * Set missing flag for an entry.

     * @param aWidget widget.

     */

    void SetMissingFlagL( const CCaWidgetDescription * aWidget );

    /**

     * Clear missing flag for an entry.

     * @param aWidget widget.

     */

    void ClearVisibleFlagL( const CCaWidgetDescription* aWidget );

private:

    /**

     * C++ default constructor.

     */

    CCaWidgetStorageHandler( CCaStorageProxy* aStorage, RFs& aFs );

    /**

     * By default Symbian 2nd phase constructor is private.

     */

    void ConstructL( );

    /**

     * Check if mass storage is not in use.

     * @return true if mass storage is not in use.

     */

    TBool MassStorageNotInUse();

private:

    // Data

    /*

     * Content Storage. Not Own

     */

    CCaStorageProxy* iStorage;

    /*

     * File server. Not own

     */

    RFs iFs;

    /*

     * Widgets. Own.

     */

    RWidgetArray iWidgets;

    /*

     * Indexes updated during last add operation. Own.

     */

    RArray<TInt> iUpdatedIndexes;

    };

#endif      // C_WIDGETSTORAGEHANDLER_H

// End of File