/**

* Copyright (c) 2005-2009 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:

*

*/

/**

 @file

 @internalComponent

 @released

*/

#ifndef CVIEWITERATOR_H

#define CVIEWITERATOR_H

#include "persistencelayer.h"

#define KIgnoreSessionId 0

/**

The CViewIterator class prepares and saves data for calls to the

MlplViewIteratorManager::ItemAtL() method which does the real work on database

views.

*/

NONSHARABLE_CLASS(CViewIterator) : public CBase

	{

public:

	CViewIterator(MLplViewIteratorManager& aManager,const CContactTextDef& aTextDef, TContactViewPreferences aViewPreferences);

	~CViewIterator();

	void GoFirstL();

	CViewContact* NextItemL();

	CViewContact* ItemAtL(TInt aCntItemId);

private:

	MLplViewIteratorManager::TTableMask TableMask(const CContactTextDef& aTextDef);

	TBool UsesIdentityTableOnly(TInt aFindFlags);

	TBool SearchIdentityTableRequired(TInt aFindFlags);

	void SetFindFlagsAndColumnsCount(TInt32 aUid,TInt& aFindFlags,TInt& aIdentityColumnsCount);

	void ConstructBitwiseFlagsFromTextDef(TInt& aFindFlags,TInt& aIdentityColumnsCount,const CContactTextDef* aTextDef);

	void ConstructBitwiseFindFlags(TInt& aFindFlags,TInt& aIdentityColumnsCount,const CContactItemFieldDef* aFieldDef);

private:

	enum TFindFieldFlags

		{

		EFindInAllFields				=0x00000001,

		EFindFirstName					=0x00000002,

		EFindLastName					=0x00000004,

		EFindCompanyName				=0x00000008,

		EFindInEmailTableOnly			=0x00000010,

		EFindInAnyIdentityField			=0x00000020,

		EFindFirstNamePronunciation		=0x00000040,

		EFindLastNamePronunciation		=0x00000080,

		EFindCompanyNamePronunciation	=0x00000100,

		};

	MLplViewIteratorManager& iManager;

	TInt iCurrentItemId;

	/**	Mask of tables required for returning a view. */

	MLplViewIteratorManager::TTableMask	iTableMask;

	TContactViewPreferences	iViewPreferences;

	const CContactTextDef& iTextDef;

	};

#endif // CVIEWITERATOR_H