/*

* 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 <tswindowgroupsobserver.h>

#include "tsentry.h"

#include "tsdatastorage.h"

#include "tsdataobserver.h"

#include <HbIcon>

class CApaWindowGroupName;

class CFbsBitmap;

NONSHARABLE_CLASS( CTsDataList ) : public CTsWindowGroupsObserver,

                                   public MTsDataStorage

    {

public:

    static CTsDataList* NewL(MTsResourceManager& resources, 

                             MTsWindowGroupsMonitor &monitor, 

                             MTsDataObserver& observer);

    ~CTsDataList();

private:

    CTsDataList(MTsResourceManager& resources,

                MTsWindowGroupsMonitor &monitor, 

                MTsDataObserver& observer);

    void ConstructL();

public:

    const RTsFswArray& Data() const;

    void HandleWindowGroupChanged(MTsResourceManager &,

                                  const TArray<RWsSession::TWindowGroupChainInfo> &);

    TBool IsHiddenUid( TUid uid );

    TBool isSupported(TInt function) const;

    void handleDataL(TInt function,RReadStream& dataStream);

private:

    void registerScreenshotL(RReadStream& dataStream);

    void unregisterScreenshotL(RReadStream& dataStream);

    void changeVisibilityL(RReadStream& dataStream);

    void CollectAppsL(RTsFswArray& appsList,

                      const TArray<RWsSession::TWindowGroupChainInfo> &wgList);

    void AddEntryL(const TTsEntryKey& key, 

                   const TUid& appUid,

                   CApaWindowGroupName* wgName,

                   RTsFswArray& newList );

    TBool ConsiderOldDataL( const TTsEntryKey& key );

    HBufC* FindAppNameLC(CApaWindowGroupName* windowName,

                         const TUid& appUid,

                         TInt wgId );

    void FitDataToList( RTsFswArray& listToFit);

    TBool CheckIfExists(const CTsEntry& entry,

                        const RTsFswArray& newList) const;

    CFbsBitmap* GetAppIconL(const TUid& aAppUid);

    TInt FindEntry(const RTsFswArray& list, const TTsEntryKey& key ) const;

    TBool EstablishOrder(const RArray<TTsEntryKey>& keyList);

    TTsEntryKey GenerateKeyL(TInt);

    void HideEntryIfNotAllowed(CTsEntry* entry);

    TBool UpdateEntryData(const RTsFswArray& list);

    void RebuildVisibleDataListL();

    CFbsBitmap* HbIcon2CFbsBitmapL(const HbIcon& icon);

private:

    /**

     * Resource manager. Not own

     */

    MTsResourceManager& mResources;

    MTsDataObserver &mObserver;

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

    RTsFswArray mVisibleData;

    // list of hidden uids

    RArray<TUid> mHiddenUids;

    // default icon

    CFbsBitmap* mDefaultIcon;

    };

#endif //TSDATALIST_H