// 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 __AGSINDEXBASE_H__

#define __AGSINDEXBASE_H__

#include "agsindexkey.h"

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

class CAgnSimpleEntry;

class CAgnEntry;

class CAgnSimpleEntryAllocator;

// ------------------------- CAgnIndex<Entry, Key, KeyValue> -------------------

class CAgnIndex : public CBase

	{

public:

	CAgnIndex(TAgnKeyBase<CAgnSimpleEntry,TTime>& aKey,MAgnCalendarTimeMode::TTimeMode aTimeMode);

	~CAgnIndex();

	TBool AddL(CAgnSimpleEntry* const aEntry);

	TBool FindL(const TTime& aDate, TInt& aPos,TBool aFirst = ETrue) const;

	virtual TBool FirstL(TTime& aDate, TInt& aPos) const;

	virtual TBool FirstLessOrEqualL(TTime& aDate, TInt& aPos) const;

	virtual TBool NextL(TTime& aDate, TInt& aPos) const;

	virtual TBool PreviousL(TTime& aDate, TInt& aPos) const;

	void GetKeyValueL(TInt Pos, TTime& aDate) const;

	virtual void GetKeyValueL(CAgnSimpleEntry* const, TTime& aDate) const;

	TBool DeleteEntry(CAgnSimpleEntry* const aEntry); 

	virtual TBool IsValid(const CAgnSimpleEntry* aInfo) const;

	TInt Count() const;

	TBool AppendL(CAgnSimpleEntry* const aEntry);

	CAgnSimpleEntry* operator[](TInt anIndex) const;

	CAgnSimpleEntry* Get(TInt anIndex) const;

	void Delete(TInt aPos);

	void Compress();

	void Reset();

	void SetUndatedTodoTime(TTime& aUndatedTodoTime);

	MAgnCalendarTimeMode::TTimeMode TimeMode() const;

	void InternalizeL(RReadStream& aReadStream, CAgnSimpleEntryAllocator* aAllocator);

	void ExternalizeL(RWriteStream& aWriteStream) const;

protected:

	void ConstructL();

	TBool FirstValidL(TTime& aKeyValue, TInt& aPos) const;

private:

	TInt FindWithEntry(CAgnSimpleEntry* const aEntry);

	CArrayFixSeg<CAgnSimpleEntry*>* Array() const;

private:

	CArrayFixSeg<CAgnSimpleEntry*>* iArray;

	TAgnKeyBase<CAgnSimpleEntry,TTime>& iKey;						// defines the index ordering

	const MAgnCalendarTimeMode::TTimeMode iTimeMode;

	};

#endif