// Copyright (c) 2006-2009 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 PBAPCONTACTDBVIEWS_H

#define PBAPCONTACTDBVIEWS_H

#include <e32std.h>

#include <badesca.h>

#include <cntdb.h>

#include <cntdef.h>

#include <cntdbobs.h>

#include <cntviewbase.h>

#include <cntview.h>

#include "pbaprequest.h"

class MPbapContactDbViewsCallback

	{

public:

	virtual void HandleSearchAndSortComplete(TInt aError)=0;

	};

/**

Provides API to search database and sort the results into name or pronunciation

field order using contact database views 

*/	

class CPbapContactDbViews : public CBase, public MContactViewObserver, public MIdleFindObserver

	{

public:

	static CPbapContactDbViews* NewL(CContactDatabase& aDatabase);

	~CPbapContactDbViews();

public:

	HBufC* GetContactNameFromIdL(TContactItemId aContactId) const;

	void GetContactIdsMatchingCriteriaL(SymbianPBAP::TOrder aOrder, SymbianPBAP::TSearchAttribute aSearchAttribute, const TDesC& aSearchValue, CContactIdArray& aResults, MPbapContactDbViewsCallback& aCallback);

	void CancelSearchAndSortRequest();						 

	void CloseAllViews();

private:

	CPbapContactDbViews(CContactDatabase& aDatabase);

	void CreateNameViewL();

	void CreatePhoneticViewL();

	void AppendField(HBufC* aBuf, TUid aUid, const CContactItemFieldSet& aFieldSet, TBool aLast = EFalse) const;

	CContactIdArray* GetContactIdsInViewL(CContactViewBase& aView);

	TBool IsPhoneticViewRequired() const;

	static TInt SearchAndSortCallback(TAny* aAny);	

	void DoSearchAndSortL();

	void DoSortL();

	void DoSearchAndSortCallback();

	void FindInViewL(CContactViewBase& aView);

	void FindInPhoneFieldsL();

	void HandleIdleFindCompleteL();

	void HandleFindInViewCompleteL();

	void DoSortSearchResultsL(CContactIdArray& aContactIds);

	void ResortIdsInViewOrderL(CContactIdArray& aContactIds, CContactViewBase& aView);

	void CopyToResultsArrayL(const CContactIdArray& aContactIds);

	void NotifySearchAndSortComplete(TInt aError);

	void CancelAndCleanup();		

private: 

	//from MContactViewObserver	

	void HandleContactViewEvent(const CContactViewBase &aView, const TContactViewEvent &aEvent);

	//from MIdleFindObserver

	void IdleFindCallback();

private:

	enum TSearchAndSortOpState

		{

		EIdle,

		EPendingSearch,

		ESearching,

		ESorting

		};

private:

	CContactDatabase& iDatabase;	

	CContactLocalView* iNameView;

	CContactLocalView* iPhoneticView;

	TBool iNameViewReady;

	TBool iPhoneticViewReady;

	TSearchAndSortOpState iOpState;

	SymbianPBAP::TOrder	iOrder;

	SymbianPBAP::TSearchAttribute iSearchAttribute;

	HBufC* iSearchValue;

	CContactFindView* iFindView;

	CPtrCArray* iSearchValueArray;

	CIdleFinder* iIdleFinder;

	CContactItemFieldDef* iFindFieldDef;

	CAsyncCallBack* iAsyncCallback;

private:

	MPbapContactDbViewsCallback* iCallback;	// not owned	

	CContactIdArray* iResults; // not owned

	};

#endif //PBAPCONTACTDBVIEWS_H