/*

* 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:  Non-closeable app list class

 *

*/

#ifndef TSDATALIST_H

#define TSDATALIST_H

#include <e32base.h>

#include "tswindowgroupsobserverbase.h"

#include "tsdatastorage.h"

#include "tsdataobserver.h"

#include "tsenv.h"

class CApaWindowGroupName;

class CFbsBitmap;

class MTsRunningApplication;

NONSHARABLE_CLASS( CTsDataList ) : public CTsWindowGroupsObserverBase,

                                   public MTsDataStorage

    {

public:

    static CTsDataList* NewL( MTsResourceManager& aResources, 

                              MTsDataObserver& aObserver,

                              TsEnv& aEnv );

    ~CTsDataList();

private:

    CTsDataList( MTsResourceManager& aResources,

                 MTsDataObserver& aObserver,

                 TsEnv& aEnv);

    void ConstructL();

public:

    const RTsFswArray& Data() const;

    void HandleWindowGroupChanged( MTsResourceManager &aResources, 

                                   const MTsRunningApplicationStorage& aStorage );

    TBool IsSupported(TInt aFunction) const;

    void HandleDataL(TInt aFunction,RReadStream& aDataStream);

private:

    void CollectAppsL( RTsFswArray& aAppsList,

                       const MTsRunningApplicationStorage& aStorage );

                    const MTsRunningApplication& aRunningApp,

                    RTsFswArray& aNewList );

                         const RTsFswArray& aNewList ) const;

    void RegisterScreenshotL( RReadStream& aDataStream );

    void UnregisterScreenshotL( RReadStream& aDataStream );

    void UpdateTaskTimestampL( RReadStream& aDataStream );

    void FitDataToListL( RTsFswArray& aListToFit );

    TInt FindEntry( const RTsFswArray& aList, const TTsEntryKey& aKey ) const;

    TTsEntryKey GenerateKeyL( TInt );

    TBool UpdateEntryData(const RTsFswArray& aList);

    void RebuildVisibleDataListL();

private:

    MTsResourceManager& iResources;

    MTsDataObserver &iObserver;

    RTsFswArray iData; // current fsw content, i.e. the task list

    RTsFswArray iVisibleData;

    TsEnv& iEnv;

    };

#endif //TSDATALIST_H