/*

* Copyright (c) 2002-2007 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:  Concrete implementation of MGflmItemGroup interface

*

*/

#ifndef CGFLMITEMGROUPIMPL_H

#define CGFLMITEMGROUPIMPL_H

//  INCLUDES

#include "MGflmItemGroup.h"

#include <e32std.h>

#include <badesca.h>

#include <collate.h>

// FORWARD DECLARATIONS

class RFs;

class CGflmDirectoryListingCache;

class CGflmFileRecognizer;

class CGflmItemLocalizer;

class CGflmDriveResolver;

class MGflmItemFilter;

// CLASS DECLARATION

/**

*  Concrete implementation of MGflmItemGroup interface

*

*  @lib GFLM.lib

*  @since 2.0

*/

NONSHARABLE_CLASS(CGflmItemGroupImpl) : public CBase, public MGflmItemGroup

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        * @param aId The new id

        * @param aFss A reference to an open and valid file server session

        * @param aCache A constructed directory listing cache

        * @param aRecognizer A constructed file recognizer

        * @param aLocalizer A constructed item localizer

        * @param aResolver A constructed drive letter resolver

        */

        static CGflmItemGroupImpl* NewLC(

            const TInt aId,

            RFs& aFss,

            CGflmDirectoryListingCache& aCache,

            CGflmItemLocalizer& aLocalizer,

            CGflmDriveResolver& aResolver );

        /**

        * Destructor.

        */

        virtual ~CGflmItemGroupImpl();

    public: // New functions

        /**

        * Refreshes and reformats the contents of the group

        * @since 2.0

        * @param aFilter MGflmItemFilter object used to to filter the contents

        * @param aSortMethod Sort method

        * @param aRefreshMode Refresh mode

        */

        void RefreshL(

            MGflmItemFilter* aFilter,

            TGflmSortMethod aSortMethod,

            TGflmRefreshMode aRefreshMode );

    public: // From MGflmItemGroup

		TInt Id() const;

        TInt ItemCount() const;

		CGflmGroupItem* Item( TInt aIndex );

		void AddSourceL( const TDesC& aDirectory );

		void ResetSources();

		void AddActionItemL( TInt aId, const TDesC& aCaption );

		void SetInclusion( TUint aInclusion );

        const TCollationMethod* CollationMethod();

    private:

        /**

        * Constructor.

        * @param aId The new id

        * @param aFss A reference to an open and valid file server session

        * @param aCache A constructed directory listing cache

        * @param aLocalizer A constructed item localizer

        * @param aResolver A constructed drive letter resolver

        */

        CGflmItemGroupImpl(

            const TInt aId,

            RFs& aFss,

            CGflmDirectoryListingCache& aCache,

            CGflmItemLocalizer& aLocalizer,

            CGflmDriveResolver& aResolver );

        void ConstructL();

		void PopulateReferenceListL( MGflmItemFilter* aFilter );

    private:    // Data

		// Id of the group

		TInt iId;

		// Reference to an open fileserver session

		RFs& iFss;

        // Inclusion type

		TUint iInclusion;

		// Contains (and owns) static items (action items and symbolic

		// links) of this group

		RPointerArray< CGflmGroupItem > iStaticItems;

		// Contains (and owns) volatile items (information aquired from

		// the filesystem) of this group

		RPointerArray< CGflmGroupItem > iVolatileItems;

		// Contains the same items as iStaticItems and iVolatileItems,

		// but doesn't own them

		RPointerArray< CGflmGroupItem > iItemReferences;

		// Directory name

		HBufC* iDirectory;

		// Reference to a CGflmDirectoryListingCache object. Not owned.

		CGflmDirectoryListingCache& iListingCache;

		// Reference to an CGflmItemLocalizer object. Not owned.

		CGflmItemLocalizer& iItemLocalizer;

		// Reference to an CGflmDriveResolver object. Not owned.

		CGflmDriveResolver& iDriveResolver;

        // Used collation method

		TCollationMethod iSortCollationMethod;

    };

#endif      // CGFLMITEMGROUPIMPL_H

// End of File