/*
* Copyright (c) 2009 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 TSSTORAGE_H
#define TSSTORAGE_H
#include <e32base.h>

#include "tsmodel.h"
#include "tsmodelobserver.h"
#include "tsdataobserver.h"
#include "tsdatastorage.h"

class CTsStorage: public CBase,
                  public MTsModel,
                  public MTsModelObserver,
                  public MTsDataObserver,
                  public MTsDataStorage
{
public:
    static CTsStorage* NewL(const TArray<MTsModel*> &dataProviders);
    ~CTsStorage();
    
private:
    CTsStorage();
    void ConstructL(const TArray<MTsModel*> &dataProviders);
    TInt resetModel();
    void resetModelL();
    void pullDataL(const MTsModel& src);
    void reorderDataL();

public://from MTsModelObserver
    void dataChanged(MTsModel &model);
    void dataChanged(const TTsModelItem &item);

public://from MTsModel
    TInt count() const;
    void setObserver(MTsModelObserver *observer);
    
private://from MTsModel
    const TDesC& displayNameL(TInt offset) const;
    TInt iconHandleL(TInt offset) const;
    TTime timestampL(TInt offset) const;
    TTsModelItemKey keyL(TInt offset) const;
    TBool isActiveL(TInt offset) const;
    TBool isClosableL(TInt offset) const;
    TBool closeL(TTsModelItemKey key) const;
    TBool launchL(TTsModelItemKey key) const;
    TTsModelItem findL(TTsModelItemKey key) const;

public://from MTsDataObserver
    void DataChanged();

public://from MTsDataStorage
    TBool isSupported(TInt function) const;
    void handleDataL(TInt function, RReadStream& dataStream);

private:
    RPointerArray<MTsModel> mDataProviders;
    RArray<TTsModelItem> mData;
    MTsModelObserver* mDataObserver;

};

#endif //TSSTORAGE_H