// Copyright (c) 2007-2009 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 __CALINSTANCEITERATORUID_H__

#define __CALINSTANCEITERATORUID_H__

#include "calinstanceiterator.h"

#include "caltime.h"

class CCalInstance;

class CCalSessionImpl;

class CAgnSimpleEntry;

class CCalLiteEntry;

/** Instance Iterator for iterating though all the instances that related to a UID.

@internalComponent

*/

NONSHARABLE_CLASS(CCalInstanceIteratorUid) : public CCalInstanceIterator

	{

public:

	static CCalInstanceIteratorUid* NewL(const CCalInstanceViewImpl& iInstanceViewImpl, const TDesC8& aUid, const TCalTime& aInstanceTime, TUint8 aShortFileId);

	~CCalInstanceIteratorUid();

	CCalInstance* NextL();

	CCalInstance* PreviousL();

	TBool HasMore() const;

	TInt Count() const;

private:

	CCalInstanceIteratorUid(const CCalInstanceViewImpl& iInstanceViewImpl);

	void ConstructL(const TDesC8& aUid, const TCalTime& aInstanceTime, TUint8 aShortFileId);

	TCalTime NonRptEntryInstanceTimeL(const CAgnSimpleEntry& aEntry);

	TBool HasMoreL() const;

protected:

	RPointerArray<CCalLiteEntry> 	iCalLiteEntries;

	TCalTime 						iCurrentIndexTime;

	TCalTime						iUndatedTodoTime;

	mutable RArray <TInt>			iEntryWithSameTime;//It stores the indexes of iCalLiteEntries. Those entries have the same instance time as the iCurrentIndexTime

	mutable TInt					iCurrentIndex;//It stores the index of entry in iEntryWithSameTime which has been returned last time when the clinet calls NextL or PrevoiusL. It will be set to -1 if there is no entry in the array has been returned to the user.

	};

#endif // __CALINSTANCEITERATORUID_H__