/**

* Copyright (c) 2004-2009 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 RCNTMODEL_H

#define RCNTMODEL_H

#include <cntdb.h>

#include "CCntIpcCodes.h"

#include <e32base.h>

#include <f32file.h>

#include <badesca.h>

class CContactTemplate;

class CViewContact;

class CCntDbNotifyMonitor;

class CCntPackager;

class MContactDbObserver;

class CContactDefaultViewDefinition;

class CContactTextDef;

const TInt KUidBufferSize = 400;

/**

Client-side Contacts Model session handle.

*/

class RCntModel : public RSessionBase

	{

public:

	RCntModel();

	void ConnectL();

	void Close();

	TInt OpenDatabase(const TDesC& aCntFile = KNullDesC) const;

	void OpenDatabaseAsyncL(TRequestStatus& aStatus ,const TDesC& aCntFile = KNullDesC);

	void CancelAsyncOpen();

	void OpenTablesL();

	void CloseTablesL();

	void CloseDatabase() const;

	TInt ReplaceDatabase(const TDesC& aCntFile = KNullDesC) const;

	TInt CreateDatabase(const TDesC& aCntFile = KNullDesC) const;

	TInt DeleteDatabase(const TDesC& aCntFile = KNullDesC) const;

	TInt DefaultDatabase(TDes& aCntFile) const;

	TInt DatabaseDrive(TDriveUnit& aDriveUnit) const;

	void SetDatabaseDriveL(TDriveUnit aDriveUnit, TBool aCopy = ETrue);

	TBool DatabaseExistsL(const TDesC& aCntFile = KNullDesC) const;

	CDesCArray* ListDatabasesL(TDriveUnit* aDriveUnit = NULL) const;

	TPtrC FileUidL() const;

	TBool DatabaseReadyL() const;

	// Contact Item CRUD methods.

	TContactItemId CreateContactL(CContactItem& aContact) const;

	void DeleteContactL(const TContactItemId aCntId, TCntSendEventAction aCntEventType, TBool aDecAccessCount = EFalse) const;	

	void CommitContactL(const CContactItem& aContact, TBool aSendChangedEvent = ETrue) const;

	CContactItem* ReadContactL(const CContactItemViewDef* aCntItemVDef, TContactItemId aCntId) const;

	CContactItem* OpenContactLX(const CContactItemViewDef* aCntItemVDef, TContactItemId aCntId) const;

	TBool CloseContact(TContactItemId aContactId);

	void SetViewDefinitionL(const CContactViewDef& aView);

	TInt64 MachineId() const;

	void SetOperationTimeOutL(const TInt aMicroSeconds) const;

	TInt OpenCrud() const;

	TInt OpenIterator() const;

	TInt OpenProperties() const;

	TInt CloseCrud() const;

	TInt CloseIterator() const;

	TInt CloseProperties() const;

	void CrudAsyncOp(TInt aParam,TRequestStatus& aStatus) const;

	TInt CrudSyncOp(TInt aParam) const;

	void IteratorAsyncOp(TInt aParam,TRequestStatus& aStatus) const;

	TInt IteratorSyncOp(TInt aParam) const;

	void PropertiesAsyncOp(TInt aParam,TRequestStatus& aStatus) const;

	TInt PropertiesSyncOp(TInt aParam) const;

    TInt FileSize() const;

	TInt ReCreateTemplate() const;	    

	TInt BeginDbTransaction() const;

	TInt CommitDbTransaction() const;

	TInt RollbackDbTransaction() const;

	// Observer methods for database event notifications.

	void AddObserverL(MContactDbObserver& aObserver);

	void RemoveObserver(const MContactDbObserver& aObserver);

	void SetCurrentItem(TContactItemId aContactId) const;

	TContactItemId CurrentItem() const;

	TInt RemoveCurrentItem();	

	TInt GetCurrentDatabase(TDes& aDatabase) const;

	TInt SetCurrentDatabase(const TDesC& aDatabase) const;

	void ResetServerSpeedDialsL();

	TContactItemId GetSpeedDialFieldL(TInt aSpeedDialPosition, TDes& aPhoneNumber);

	void SetFieldAsSpeedDialL(TContactItemId aContactId, TInt aFieldIndex, TInt aSpeedDialPosition);

	void RemoveSpeedDialFieldL(TContactItemId aContactId, TInt aSpeedDialPosition);

	void SetOwnCardL(const CContactItem& aContact);

	TContactItemId OwnCard() const;

	TInt ConnectionId() const;

	void OverrideMachineUniqueId(TInt64 aMachineUniqueId);

	void SetHeapFailure(RHeap::TAllocFail aType, TInt aRate);

	TInt ResourceCount();

	TContactItemId PrefTemplateId() const;

	void SetPrefTemplateL(const TContactItemId aContactId);

	CContactIdArray* FetchTemplateListIdsL();

	CContactIdArray* FetchGroupListIdsL();

	CContactIdArray* CollectionL(TInt aCollectionType, TTime aTime=0,const TDesC& aGuid = KNullDesC);

	void SetSortPreferenceL(const CArrayFix<CContactDatabase::TSortPref>& aSortOrder);

	CArrayFix<CContactDatabase::TSortPref>* GetSortPreferenceL() const;

	CContactIdArray* MatchPhoneNumberL(const TDesC& aNumber, const TInt aMatchLengthFromRight);

	TInt ContactCountL() const;

	TBool SeekContactL(TContactItemId aContactId,TContactItemId& aId,TUid& aContactType, TBool& aDeleted);

	void ReadContactTextDefL(TContactItemId aContactId, TDes &aResult,const CContactTextDef& aTextDef);

	void TextFieldL(TInt aCntItemId,TFieldType aFieldType, TDes& aText);

	TContactItemId ICCTemplateIdL(TUid aPhonebookUid = KNullUid);

	TContactItemId PhonebookGroupIdL();

	CContactIdArray* FindL(const TDesC& aText,const CContactItemFieldDef* aFieldDef);

	TBool ContactMatchesHintFieldL(TInt aBitWiseFilter,TContactItemId aContactId);

	void SetDbViewContactType(const TUid aUid);

	TUid GetDbViewContactType() const;

	void FilterDatabaseL(CCntFilter& aFilter);

	void FindAsyncTextDefInitL(const CDesCArray& aWords,CContactTextDef* aTextDef);

	void FindAsyncInitL(const TDesC& aText,CContactItemFieldDef* aFieldDef);

	TBool FindAsyncL(CContactIdArray*& aIdArray);

	void SetAsyncActivityL(TBool aAsyncActivity);

	// Used to request a database event.  See CCntDbNotifyMonitor::Start().

	void StartNotificationTransfer(TRequestStatus& aStatus, TDes8& aEvent);

	void EndNotificationTransfer();

	// See CCntDbNotifyMonitor::RunL().

	void HandlePrematureServerTerminationL();

	// Used to close/unlock the last locked contact items from the cleanup

	// stack.  Called when popping the cleanup stack.

	void UnlockLastLockedContact();

	// Used for test purposes (only works in _DEBUG builds).

	void GetDefinitionsOfExistingViewsL(const TDesC& aDbName, RPointerArray<CContactDefaultViewDefinition>& aViewDefs);

	TInt OpenViewL(const CContactTextDef& aTextDef, const TInt aViewPrefs);

	void CloseView(TInt aViewId);

	void ChangeSortOrderL(TInt aViewId, const CContactTextDef& aTextDef);

	void BeginIterateL(TInt aViewId);

	void EndIterateL(TInt aViewId);

	CViewContact* NextItemL(TInt aViewId, const TInt aViewPrefs);

	CViewContact* ItemAtL(TContactItemId aContactId, TInt aViewId);

private:

	TVersion Version() const;

	CContactItem* UnPackContactLC(TInt aBufferSize, TIpcArgs& aArgs) const;

	CContactIdArray* DoGetCollectionChangedSinceL(TTime aTime);

	CContactIdArray* DoGetCollectionL(TInt aCollectionType);

	CContactIdArray* DoGetCollectionGuidL(const TDesC& aGuid);

	void PushUnlockL() const;

	// Save the filename.  Used to re-open database if the server is terminated

	// prematurely.

	TInt SetFileName(const TDesC& aCntFile) const;

private:

	CCntDbNotifyMonitor* 	  iDbNotifyMonitor;	

	mutable CCntPackager* 	  iPackager;

	mutable TBuf<KUidBufferSize> iFileUid;

	mutable TInt iConnectionId;

	mutable TBuf<KCntMaxFilePath> iFileName;

	// Number of attempts to restart the server after an unexpected process

	// termination.

	TInt iNoOfSvrStartAttempts;

	};

#endif // RCNTMODEL_H