// Copyright (c) 1997-2009 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 __AGSINDEXITERATOR_H__

#define __AGSINDEXITERATOR_H__

#include "agsiterator.h"

// ------------------------------Referenced classes-----------------------------

class CAgnSimpleEntry;

class CAgnSimpleEntryTable;

class TAgnFilter;

// ----------------------------TAgnTodoNonRptIterator---------------------------

// Iterator - Non repeating todos

//

class TAgnTodoNonRptIterator : public TAgnIterator

/**

@internalAll

@released

*/

	{

public:

	TAgnTodoNonRptIterator();

	TAgnTodoNonRptIterator(CAgnIndex* aIndex,const TAgnFilter& aFilter);

	virtual TBool GotoL(TTime& aKeyValue);

	virtual TBool GotoLessOrEqualL(TTime& aKeyValue);

	};

// ----------------------------TAgnEntryDateIterator----------------------------

// Compound Entry Iterator 

//

class TAgnEntryDateIterator

/**

@internalAll

@released

*/

	{

public:

	TAgnEntryDateIterator(CAgnSimpleEntryTable& aEntryInfoTable, const TTime& aUndatedTodoTime, const TAgnFilter& aFilter);

	virtual ~TAgnEntryDateIterator();

	const CAgnSimpleEntry& CurrentElement() const;

    const TTime& CurrentKey() const;

    void StartL();

    void NextL();

    void PreviousL();

    TBool AtEnd();

    TBool AtStart();

    TBool GotoL(TTime& aKeyValue);

    TBool GotoLessOrEqualL(TTime& aKeyValue);

    TBool SetCurrent();

	TBool SetCurrentLessOrEqual();

private:

	TAgnIterator* iIteratorsInUse[8]; // pointers to those iterators below that are selected by aFilter

    TAgnIterator iNonRptFixedIter;

    TAgnIterator iNonRptFloatingIter;

    TAgnIterator iRptFixedIter;

    TAgnIterator iRptFloatingIter;

	TAgnTodoNonRptIterator iTodoNonRptFixedIter;

	TAgnTodoNonRptIterator iTodoNonRptFloatingIter;

	TAgnIterator iTodoRptFixedIter;

	TAgnIterator iTodoRptFloatingIter;

	TInt iCount; // number of iterators to use (as per filter)

	TInt iCurrent; // iterator being used

	TTime iCurrentKey; 

	TTime iPreviousKey;

	CAgnIndex* iArray;

	};

#endif