/**

* 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:

*

*/

/**

 @file

 @internalComponent

 @released

*/

#ifndef __CCONTACTPRIVATE_H__

#define __CCONTACTPRIVATE_H__

#include <cntitem.h>

const TInt KNoValueSet = -1; // Used in CContactDatabase - not published.

const TInt KFiveMins = 300000000; // Used in CContactDatabase - not published.

class CPrivConverter;

class CContactConverter;

class CTextFieldMinimal;

/** 

Base class for Contacts Model plug-ins.

*/

NONSHARABLE_CLASS(CContactPlugin) : public CBase

	{

public:

	~CContactPlugin();

protected:

	TUid LoadEComPluginFromInterface(TUid aInterfaceUid);

	CContactPlugin();

private:

	RLibrary iDll;

	};

/**

Class for all template related functionality.

*/

NONSHARABLE_CLASS(CCntTemplateCache) : public CBase

	{

public:

	static CCntTemplateCache* NewL(RCntModel& aCntSvr);

	~CCntTemplateCache();

	inline TContactItemId TemplateId()const {return iTemplateId;}

	void MergeWithTemplateL(CContactItem& aContact, const CContactItemViewDef* aViewDef = NULL);

	void RemoveTemplate(TContactItemId aId);

	CContactItem& SystemTemplateL();

private:

	CContactItem& TemplateL(TContactItemId aId);

	CCntTemplateCache(RCntModel& aCntSvr);

	void DeleteEntry(TInt aIndex);

	CContactItemViewDef& DefaultViewDefL();

	void ResetSystemTemplate();

private:

	RPointerArray <CContactItem> iCache;

	RCntModel& iCntSvr;

	CContactItem* iSystemTemplate;

	TContactItemId iTemplateId;

	CContactItemViewDef* iViewDef;

	};

/** 

Contact item to vCard converter plug-in.

*/

NONSHARABLE_CLASS(CPrivConverter) : public CContactPlugin

	{

public:

	static CPrivConverter* NewL(TUid aUid);

	static CPrivConverter* NewL(TUid aUid, TInt64 aContactFieldFilter, MConverterCallBack* aCallback, TVCardVersion aVersion, TBool aExportTel);

	TVCardVersion GetCurrentVersion() const;

	TInt64 GetPBAPFilter() const;

	TBool GetExportTel()const;

	void LoadEComPluginL(TUid aUid, TInt64 aFilter, MConverterCallBack* aCallback, TVCardVersion aVersion, TBool aExportTel);

	void LoadEComPluginL(TUid aUid);

	~CPrivConverter();

	inline CContactConverter* Converter() const;

private:

	TBool IsImplementationAvailableL(TUid aUid);

private:

	CContactConverter* iConverter;

	TVCardVersion iVersion;

	TInt64 iPBAPFilter;

	TBool iExportTel;

	};

inline CContactConverter* CPrivConverter::Converter() const { return iConverter;}

NONSHARABLE_CLASS(CSortArray) : public CBase

	{

public:

	CSortArray();

	~CSortArray();

	void AppendL(const TDesC &Text, TContactItemId aId);

	void SortL(CContactDatabase::TSortPref::TOrder aOrder);

	inline TInt Count() const;

	TContactItemId Id(TInt aIndex) const;

	HBufC *Text(TInt aIndex) const;

	void Merge(CSortArray *aDuplicates,TInt aStartPos);

private:

	static TInt DefaultAlgorithmToCompareNames(const CTextFieldMinimal& aName1, const CTextFieldMinimal& aName2);

private:

	RPointerArray<CTextFieldMinimal> iArray;

	};

inline TInt CSortArray::Count() const {return(iArray.Count());}

NONSHARABLE_CLASS(CTextFieldMinimal) : public CBase

	{

public:

	~CTextFieldMinimal();

	inline CTextFieldMinimal() : iId(KNullContactId) {};

	void ConstructL(const TDesC &aText, TContactItemId aId);

public:

	TContactItemId iId;

	HBufC *iText;

	};

NONSHARABLE_CLASS(CCntIdleSorter) : public CBase

	{

public:

	static CCntIdleSorter* NewL(CContactDatabase& aContactDatabase);

	~CCntIdleSorter();

public:

	// Access methods.

	void ResetL();

	void Cancel();

	void StartSortingL(CArrayFix<CContactDatabase::TSortPref>* aSortOrder, TRequestStatus& aStatus);

	void StartSortingL(CArrayFix<CContactDatabase::TSortPref>* aSortOrder, TRequestStatus& aStatus, MContactSortObserver& aObserver);

private:

	// Internal construction methods.

	CCntIdleSorter();

	CCntIdleSorter(CContactDatabase& aContactDatabase);

	void ConstructL();

private:

	// Sort state.

	enum TState {EReadContacts, ESortContacts};

private:

	static TInt SortCallBack(TAny* aThis);

	TInt PeformSortStep();

	TBool ReadContactsL(TInt aNumber = 4);

	void SortListAndSaveL();

	void CompleteRequest(TInt aError = KErrNone);

	void ReportProgressL();

private:

	inline TInt& TotalCount()			{ return iTotalCount; }

	inline TInt TotalCount() const		{ return iTotalCount; }

	inline TInt& ReadSoFar()			{ return iReadSoFar; }

	inline TInt ReadSoFar() const		{ return iReadSoFar; }

	inline TBool& HasObserver()			{ return iHasObserver; }

	inline TBool HasObserver() const	{ return iHasObserver; }

private:

	TBool iHasObserver;

	TInt iTotalCount;

	TInt iReadSoFar;

	MContactSortObserver* iObserver;

	CContactDatabase& iDb;

	CArrayFix<CContactDatabase::TSortPref>* iSortOrder;

	TRequestStatus* iStatus;

	CIdle* iIdle;

	TState iState;

	CContactIdArray* iFinalItems;

	CSortArray* iSortedList;

	TContactItemId iCurrentId;

	TBool iSortStarted;

	};

NONSHARABLE_CLASS (CDataBaseChangeObserver) :  public CBase, public MContactDbObserver

	{

public:

	void HandleDatabaseEventL(TContactDbObserverEvent aEvent);

	static CDataBaseChangeObserver* NewL(MContactDbPrivObserver& aPrivateObserver);

	~CDataBaseChangeObserver(); 

private:

	CDataBaseChangeObserver (MContactDbPrivObserver& aPrivateObserver);

	MContactDbPrivObserver& iPrivateObserver;

	}; 

#endif //__CCONTACTPRIVATE_H__