// 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 PBAPLOGENG_H

#define PBAPLOGENG_H

#include <logwrap.h>

#include <logview.h>

#include <logviewchangeobserver.h>

#include <logclientchangeobserver.h>

#include "pbaplogengviewobserver.h"

/** 

 The PBAP Log Client wrapper.

 This class allows localisation of call logging for benefit of different UI variants.

 */

NONSHARABLE_CLASS (CPbapLogWrapper) : public CBase, public MLogClientChangeObserver

	{

	// to allow access to LogClient() and Global LogEng events.

	friend class CPbapLogViewEvent;

public:

	IMPORT_C static CPbapLogWrapper* NewL(RFs& aFs);

	IMPORT_C ~CPbapLogWrapper();

	// From CLogWrapper

	IMPORT_C TBool ClientAvailable() const;

	// From CLogClient

	IMPORT_C TInt GetString(TDes &aString, TInt aId) const;	

protected:	

	// Only for creation of CLogViewEvent

	CLogClient& LogClient();

	// Register PBAP observer for MLogClientChangeObserver events

	TInt AddPbapObserver(MPbapLogEngViewObserver& aObserver);

	void RemovePbapObserver(MPbapLogEngViewObserver& aObserver);

private:

	CPbapLogWrapper();

	void ConstructL(RFs& aFs);

	// from MLogClientChangeObserver

	virtual void HandleLogClientChangeEventL(TUid aChangeType, TInt aParam1, TInt aParam2, TInt aParam3);

private:

	CLogWrapper*	iLogWrapper;

	CLogClient*		iLogClient; //not owned

	RPointerArray<MPbapLogEngViewObserver> iPbapObservers;

	};

/** 

 The PBAP Log Event View wrapper.

 This class allows localisation of call logging for benefit of different UI variants.

 */

NONSHARABLE_CLASS (CPbapLogViewEvent) : public CBase, public MLogViewChangeObserver

	{

public:

	IMPORT_C static CPbapLogViewEvent* NewL(CPbapLogWrapper& aLogWrap);

	IMPORT_C static CPbapLogViewEvent* NewL(CPbapLogWrapper& aLogWrap, MPbapLogEngViewObserver& aObserver);

	IMPORT_C ~CPbapLogViewEvent();

public:

	// from CLogViewEvent

	IMPORT_C TBool SetFilterL(const CLogFilterList& aFilterList, TRequestStatus& aStatus);

	IMPORT_C TBool SetFilterL(const CLogFilter& aFilter, TRequestStatus& aStatus);

	IMPORT_C const CLogEvent& Event() const;

	IMPORT_C TBool FirstL(TRequestStatus& aStatus);

	IMPORT_C TBool NextL(TRequestStatus& aStatus);

	IMPORT_C TInt CountL();

	IMPORT_C void Cancel();

private:

	CPbapLogViewEvent(CPbapLogWrapper& aClient);

	void ConstructL(MPbapLogEngViewObserver* aObserver = NULL);

	// from MLogViewChangeObserver

	virtual void HandleLogViewChangeEventAddedL(TLogId aId, TInt aViewIndex, TInt aChangeIndex, TInt aTotalChangeCount);

	virtual void HandleLogViewChangeEventChangedL(TLogId aId, TInt aViewIndex, TInt aChangeIndex, TInt aTotalChangeCount);

	virtual void HandleLogViewChangeEventDeletedL(TLogId aId, TInt aViewIndex, TInt aChangeIndex, TInt aTotalChangeCount);

private:

	CPbapLogWrapper& 	iWrapper;

	CLogViewEvent*		iViewEvent;		

	MPbapLogEngViewObserver* iPbapObserver;

	};

#endif // PBAPLOGENG_H