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// Copyright (c) 2002-2009 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 __LOGCHANGEDEFINITION_H__
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#define __LOGCHANGEDEFINITION_H__
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// System includes
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#include <e32base.h>
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#include <s32strm.h>
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#include <logwrap.h>
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#include <logwraplimits.h>
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/**
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Constants
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@internalComponent
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*/
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const TInt KLogChangeDefinitionDefaultGranularity = 10;
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/**
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Enumerations
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@internalComponent
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*/
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enum TLogDatabaseChangeType
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{
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ELogChangeTypeUndefined = -1,
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ELogChangeTypeEventAdded = 0,
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ELogChangeTypeEventChanged,
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ELogChangeTypeEventChangedHidden,
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ELogChangeTypeEventDeleted,
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ELogChangeTypeLogCleared
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};
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/////////////////////////////////////////////////////////////////////////////////////////
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// -----> CLogChangeDefinition (header)
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/////////////////////////////////////////////////////////////////////////////////////////
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class CLogChangeDefinition : public CBase
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/**
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@internalComponent
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*/
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{
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public: // CONSTRUCT / DESTRUCT
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IMPORT_C static CLogChangeDefinition* NewL(TInt aGranularity = KLogChangeDefinitionDefaultGranularity);
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IMPORT_C static CLogChangeDefinition* NewL(RReadStream& aStream);
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IMPORT_C static CLogChangeDefinition* NewL(const CLogChangeDefinition& aCopy);
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IMPORT_C ~CLogChangeDefinition();
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private: // INTERNAL CONSTRUCT
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CLogChangeDefinition(TInt aGranularity);
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void ConstructL(const CLogChangeDefinition& aCopy);
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public: // API
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/**
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* Return the number of events in the change definition
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*/
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IMPORT_C TInt Count() const;
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/**
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* Get a change description
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*/
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IMPORT_C TLogDatabaseChangeType At(TInt aIndex) const;
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IMPORT_C TLogDatabaseChangeType At(TInt aIndex, TLogId& aId) const;
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IMPORT_C TLogDatabaseChangeType At(TInt aIndex, TLogId& aId, TInt& aViewIndex) const;
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/**
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* Find the position of a specific event
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*/
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IMPORT_C TInt Find(TLogId aId) const;
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IMPORT_C TInt Find(TLogId aId, TLogDatabaseChangeType aType) const;
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IMPORT_C TInt FindByViewIndex(TInt aViewIndex) const;
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/**
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* Add a change definition
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*/
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IMPORT_C void AddL(TLogId aId, TLogDatabaseChangeType aType, TInt aViewIndex);
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/**
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* Reset change contents
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*/
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IMPORT_C void Reset();
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public: // INTERNALIZE / EXTERNALIZE
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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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private: // INTERNAL CLASSES
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class TLogShdChangeDetails
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{
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public:
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inline TLogShdChangeDetails() : iId(KLogNullId), iType(ELogChangeTypeUndefined), iViewIndex(KErrNotFound) { }
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inline TLogShdChangeDetails(TLogId aId, TLogDatabaseChangeType aType = ELogChangeTypeUndefined, TInt aViewIndex = KErrNotFound) : iId(aId), iType(aType), iViewIndex(aViewIndex) { }
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public:
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TLogId iId;
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TLogDatabaseChangeType iType;
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TInt iViewIndex;
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};
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private: // INTERNAL METHODS
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static TBool CompareEntryIds(const TLogShdChangeDetails& aLeft, const TLogShdChangeDetails& aRight);
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static TBool CompareViewIndicies(const TLogShdChangeDetails& aLeft, const TLogShdChangeDetails& aRight);
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void AddToContainerL(TLogId aId, TLogDatabaseChangeType aType, TInt aViewIndex);
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private: // MEMBER DATA
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/**
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* List of changes
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*/
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RArray<TLogShdChangeDetails> iChanges;
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};
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#endif
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