epoc32/include/logwrap.h
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:33:34 +0100
branchSymbian3
changeset 4 837f303aceeb
parent 2 2fe1408b6811
permissions -rw-r--r--
Current Symbian^3 public API header files (from PDK 3.0.h)
This is the epoc32/include tree with the "platform" subtrees removed, and
all but a selected few mbg and rsg files removed.
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// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#ifndef __LOGWRAP_H__
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#define __LOGWRAP_H__
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#include <e32base.h>
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#include <f32file.h>
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#include <barsc2.h> // For CResourceFile
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#include <d32dbms.h>
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#include <logwrapconst.h>
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#ifndef SYMBIAN_ENABLE_SPLIT_HEADERS 
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	#include <logwraplimits.h>
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	#include "logcntdef.h"
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#endif
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#ifndef __WINC__
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#include <logwrap.rsg>
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#endif
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#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS 
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/** 
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Contact item ID. These are used to uniquely identify contact items within a contacts database.
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@publishedAll
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@released 
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*/
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typedef TInt32 TLogContactItemId;
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#endif
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/**
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@publishedAll
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@released
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*/
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typedef TUint32	TLogViewId;
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const TLogFlags KLogNullFlags = 0;
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const TLogFlags KLogFlagsMask = 0xF;
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#ifndef SYMBIAN_ENABLE_SPLIT_HEADERS 
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/**
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@internalAll
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*/
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const TInt KLogActiveDoNotCompleteIfActive = KMaxTInt-1;
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#endif
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//SimId typedef. Probably the final version will import it from different header. 
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typedef TUint32 TSimId;
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//"Null" SimId value.
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const TSimId KLogNullSimId = 0;
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//**********************************
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// CLogActive
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//**********************************
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/** 
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Common active object behaviour.
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This is an abstract class that defines common active object behaviour for 
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the log engine classes.
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@publishedAll
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@released
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*/
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class CLogActive : public CActive
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	{
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public:
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	IMPORT_C ~CLogActive();
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	//
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protected:
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	IMPORT_C CLogActive(TInt aPriority);
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	IMPORT_C void Queue(TRequestStatus& aStatus);
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	IMPORT_C void Complete(TInt aStatus);
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	IMPORT_C void DoCancel();
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	//
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private:
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	//
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	IMPORT_C void RunL();
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	virtual void DoRunL()=0;
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	IMPORT_C virtual void DoComplete(TInt&);
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	//
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private:
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	TRequestStatus* iReport;
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	};
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//**********************************
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// CLogEvent
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//**********************************
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/** 
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Encapsulates the details of an event.
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Where time is used, it must be specified as UTC rather than local time.
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@publishedAll
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@released
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*/
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class CLogEvent : public CBase
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	{
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public:
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	IMPORT_C static CLogEvent* NewL();
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	IMPORT_C ~CLogEvent();
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	//
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public:
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	inline TLogId Id() const;
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	inline void SetId(TLogId aId);
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	//
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	inline TUid EventType() const;
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	inline void SetEventType(TUid aId);
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	//
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	inline const TDesC& RemoteParty() const;
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	inline void SetRemoteParty(const TDesC& aRemote);
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	//
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	inline const TDesC& Direction() const;
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	inline void SetDirection(const TDesC& aDirection);
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	//
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	inline const TTime& Time() const;
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	inline void SetTime(const TTime& aTime);
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	//
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	inline TLogDurationType DurationType() const;
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	inline void SetDurationType(TLogDurationType aDurationType);
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	//
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	inline TLogDuration Duration() const;
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	inline void SetDuration(TLogDuration aDuration);
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	//
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	inline const TDesC& Status() const;
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	inline void SetStatus(const TDesC& aStatus);
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	//
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	inline const TDesC& Subject() const;
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	inline void SetSubject(const TDesC& aSubject);
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	//
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	inline const TDesC& Number() const;
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	inline void SetNumber(const TDesC& aNumber);
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	//
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	inline TLogContactItemId Contact() const;
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	inline void SetContact(TLogContactItemId  aContact);
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	//
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	inline TLogLink Link() const;
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	inline void SetLink(TLogLink aLink);
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	//
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	inline const TDesC& Description() const;
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	inline void SetDescription(const TDesC& aDescription);
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	//
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	inline TLogFlags Flags() const;
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	inline void SetFlags(TLogFlags aFlags);
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	inline void ClearFlags(TLogFlags aFlags);
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	//
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	inline const TDesC8& Data() const;
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	IMPORT_C void SetDataL(RReadStream& aStream, TInt aLen);
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	IMPORT_C void SetDataL(const TDesC8& aData);
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	//
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	IMPORT_C void CopyL(const CLogEvent& aEvent);
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	IMPORT_C void InternalizeL(RReadStream& aStream);
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	IMPORT_C void ExternalizeL(RWriteStream& aStream) const;
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	//
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	IMPORT_C void SetSimId(TSimId aSimId);
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	IMPORT_C TSimId SimId() const;
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	//
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private:
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	CLogEvent();
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	void ConstructL();
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	void InternalizeBufL(RReadStream& aStream, HBufC*& aDes);
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	//
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private:
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	TLogId iId;
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	TUid iEventType;
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	TTime iTime;
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	TLogDurationType iDurationType;
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	TLogDuration iDuration;
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	TLogContactItemId  iContact;
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	TLogLink iLink;
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	TLogFlags iFlags;
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	HBufC* iDescription;
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	HBufC* iRemoteParty;
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	HBufC* iDirection;
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	HBufC* iStatus;
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	HBufC* iSubject;
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	HBufC* iNumber;
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	HBufC8* iData;
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#ifdef SYMBIAN_ENABLE_EVENTLOGGER_DUALSIM	
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	TSimId	iSimId;
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#endif	
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	};
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//**********************************
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// CLogBase
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//**********************************
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/** 
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Base class for the log engine implementation.
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This class defines the interface that client code uses to perform simple actions 
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on the log database.
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The class provides default implementations for the event handling functions. 
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The Log Engine, i.e. an instance of CLogClient, is derived from this class 
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and provides implementations for the event handling functions.
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The class also deals with some aspects of resource file handling.
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An instance of this class is constructed by the log wrapper, CLogWrapper, 
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if the phone does not implement logging.
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An instance of this class is never constructed by clients.
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@see CLogClient
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@see CLogWrapper
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@publishedAll
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@released
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*/
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class CLogBase : public CLogActive
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	{
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public:
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	IMPORT_C CLogBase(TInt aPriority);
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	IMPORT_C ~CLogBase();
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	//
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	IMPORT_C virtual void GetEvent(CLogEvent& aEvent, TRequestStatus& aStatus);
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	IMPORT_C virtual void AddEvent(CLogEvent& aEvent, TRequestStatus& aStatus);
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	IMPORT_C virtual void ChangeEvent(const CLogEvent& aEvent, TRequestStatus& aStatus);
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	IMPORT_C virtual void DeleteEvent(TLogId aId, TRequestStatus& aStatus);
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	//
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	IMPORT_C virtual TInt GetString(TDes& aString, TInt aId) const;
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	//
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protected:
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	IMPORT_C void LoadResourcesL(RFs& aFs);
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	inline const CResourceFile* ResourceFile() const;
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	//
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private:
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	void DoRunL();
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	//
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private:
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	CResourceFile* iResourceFile;
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	//
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private:
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	IMPORT_C virtual void CLogBase_Reserved1();
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	TAny* CLogBase_Reserved;
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	};
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//**********************************
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// CLogWrapper
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//**********************************
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/** 
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The log wrapper.
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As some UI variants do not use a Log Engine, the log wrapper provides a consistent 
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interface to clients that need to work, without being changed, with multiple 
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UI variants.
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The log wrapper is provided in its own DLL, the logwrap.dll.
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If a Log Engine is not installed on a phone, the log wrapper creates an instance 
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of the CLogBase class, whose event handling requests complete with KErrNotSupported 
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and whose functions return KErrNotSupported.
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If a Log Engine is installed on a phone, the log wrapper creates an instance 
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of the CLogClient class, provided in a separate DLL, the logcli.dll . The 
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CLogClient class derives from CLogBase and provides implementations for the 
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event handling requests and functions.
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@see CLogBase
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@see CLogClient
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@publishedAll
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@released
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*/
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class CLogWrapper : public CBase
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	{
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public:
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	IMPORT_C static CLogWrapper* NewL(RFs& aFs, TInt aPriority = CActive::EPriorityStandard);
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	IMPORT_C ~CLogWrapper();
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	//
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	inline CLogBase& Log();
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	IMPORT_C TBool ClientAvailable() const;
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	//
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private:
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	CLogWrapper();
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	void ConstructL(RFs& aFs, TInt aPriority);
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	//
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private:
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	CLogBase* iBase;
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	};
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#include <logwrap.inl>
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#include <logeng.h>
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#endif