1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/persistentdata/loggingservices/eventlogger/Shared/LogChangeDefinition.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,128 @@
     1.4 +// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +#ifndef __LOGCHANGEDEFINITION_H__
    1.20 +#define __LOGCHANGEDEFINITION_H__
    1.21 +
    1.22 +// System includes
    1.23 +#include <e32base.h>
    1.24 +#include <s32strm.h>
    1.25 +#include <logwrap.h>
    1.26 +#include <logwraplimits.h>
    1.27 +
    1.28 +/**
    1.29 +Constants
    1.30 +@internalComponent
    1.31 +*/
    1.32 +const TInt KLogChangeDefinitionDefaultGranularity = 10;
    1.33 +
    1.34 +/**
    1.35 +Enumerations
    1.36 +@internalComponent
    1.37 +*/
    1.38 +enum TLogDatabaseChangeType
    1.39 +	{
    1.40 +	ELogChangeTypeUndefined = -1,
    1.41 +	ELogChangeTypeEventAdded = 0,
    1.42 +	ELogChangeTypeEventChanged,
    1.43 +	ELogChangeTypeEventChangedHidden,
    1.44 +	ELogChangeTypeEventDeleted,
    1.45 +	ELogChangeTypeLogCleared
    1.46 +	};
    1.47 +
    1.48 +
    1.49 +/////////////////////////////////////////////////////////////////////////////////////////
    1.50 +// -----> CLogChangeDefinition (header)
    1.51 +/////////////////////////////////////////////////////////////////////////////////////////
    1.52 +class CLogChangeDefinition : public CBase
    1.53 +/**
    1.54 +@internalComponent
    1.55 +*/
    1.56 +	{
    1.57 +public: // CONSTRUCT / DESTRUCT
    1.58 +	IMPORT_C static CLogChangeDefinition* NewL(TInt aGranularity = KLogChangeDefinitionDefaultGranularity);
    1.59 +	IMPORT_C static CLogChangeDefinition* NewL(RReadStream& aStream);
    1.60 +	IMPORT_C static CLogChangeDefinition* NewL(const CLogChangeDefinition& aCopy);
    1.61 +	IMPORT_C ~CLogChangeDefinition();
    1.62 +
    1.63 +private: // INTERNAL CONSTRUCT
    1.64 +	CLogChangeDefinition(TInt aGranularity);
    1.65 +	void ConstructL(const CLogChangeDefinition& aCopy);
    1.66 +
    1.67 +public: // API
    1.68 +
    1.69 +	/**
    1.70 +	 * Return the number of events in the change definition
    1.71 +	 */
    1.72 +	IMPORT_C TInt Count() const;
    1.73 +
    1.74 +	/**
    1.75 +	 * Get a change description
    1.76 +	 */
    1.77 +	IMPORT_C TLogDatabaseChangeType At(TInt aIndex) const;
    1.78 +	IMPORT_C TLogDatabaseChangeType At(TInt aIndex, TLogId& aId) const;
    1.79 +	IMPORT_C TLogDatabaseChangeType At(TInt aIndex, TLogId& aId, TInt& aViewIndex) const;
    1.80 +
    1.81 +	/**
    1.82 +	 * Find the position of a specific event
    1.83 +	 */
    1.84 +	IMPORT_C TInt Find(TLogId aId) const;
    1.85 +	IMPORT_C TInt Find(TLogId aId, TLogDatabaseChangeType aType) const;
    1.86 +	IMPORT_C TInt FindByViewIndex(TInt aViewIndex) const;
    1.87 +
    1.88 +	/**
    1.89 +	 * Add a change definition
    1.90 +	 */
    1.91 +	IMPORT_C void AddL(TLogId aId, TLogDatabaseChangeType aType, TInt aViewIndex);
    1.92 +
    1.93 +	/**
    1.94 +	 * Reset change contents
    1.95 +	 */
    1.96 +	IMPORT_C void Reset();
    1.97 +
    1.98 +public: // INTERNALIZE / EXTERNALIZE
    1.99 +	IMPORT_C void InternalizeL(RReadStream& aStream);
   1.100 +	IMPORT_C void ExternalizeL(RWriteStream& aStream) const;
   1.101 +
   1.102 +private: // INTERNAL CLASSES
   1.103 +	class TLogShdChangeDetails
   1.104 +		{
   1.105 +	public:
   1.106 +		inline TLogShdChangeDetails() : iId(KLogNullId), iType(ELogChangeTypeUndefined), iViewIndex(KErrNotFound) { }
   1.107 +		inline TLogShdChangeDetails(TLogId aId, TLogDatabaseChangeType aType = ELogChangeTypeUndefined, TInt aViewIndex = KErrNotFound) : iId(aId), iType(aType), iViewIndex(aViewIndex) { }
   1.108 +
   1.109 +	public:
   1.110 +		TLogId iId;
   1.111 +		TLogDatabaseChangeType iType;
   1.112 +		TInt iViewIndex;
   1.113 +		};
   1.114 +
   1.115 +private: // INTERNAL METHODS
   1.116 +	static TBool CompareEntryIds(const TLogShdChangeDetails& aLeft, const TLogShdChangeDetails& aRight);
   1.117 +	static TBool CompareViewIndicies(const TLogShdChangeDetails& aLeft, const TLogShdChangeDetails& aRight);
   1.118 +	void AddToContainerL(TLogId aId, TLogDatabaseChangeType aType, TInt aViewIndex);
   1.119 +
   1.120 +private: // MEMBER DATA
   1.121 +
   1.122 +	/**
   1.123 +	 * List of changes
   1.124 +	 */
   1.125 +	RArray<TLogShdChangeDetails> iChanges;
   1.126 +	};
   1.127 +
   1.128 +
   1.129 +
   1.130 +
   1.131 +#endif