os/persistentdata/loggingservices/eventlogger/LogWrap/inc/LOGWRAP.H
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
sl@0
     1
// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0
     2
// All rights reserved.
sl@0
     3
// This component and the accompanying materials are made available
sl@0
     4
// under the terms of "Eclipse Public License v1.0"
sl@0
     5
// which accompanies this distribution, and is available
sl@0
     6
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0
     7
//
sl@0
     8
// Initial Contributors:
sl@0
     9
// Nokia Corporation - initial contribution.
sl@0
    10
//
sl@0
    11
// Contributors:
sl@0
    12
//
sl@0
    13
// Description:
sl@0
    14
//
sl@0
    15
sl@0
    16
#ifndef __LOGWRAP_H__
sl@0
    17
#define __LOGWRAP_H__
sl@0
    18
sl@0
    19
#include <e32base.h>
sl@0
    20
#include <f32file.h>
sl@0
    21
#include <barsc2.h> // For CResourceFile
sl@0
    22
#include <d32dbms.h>
sl@0
    23
#include <logwrapconst.h>
sl@0
    24
sl@0
    25
#ifndef SYMBIAN_ENABLE_SPLIT_HEADERS 
sl@0
    26
	#include <logwraplimits.h>
sl@0
    27
	#include "logcntdef.h"
sl@0
    28
#endif
sl@0
    29
sl@0
    30
#ifndef __WINC__
sl@0
    31
#include <logwrap.rsg>
sl@0
    32
#endif
sl@0
    33
sl@0
    34
#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS 
sl@0
    35
/** 
sl@0
    36
Contact item ID. These are used to uniquely identify contact items within a contacts database.
sl@0
    37
@publishedAll
sl@0
    38
@released 
sl@0
    39
*/
sl@0
    40
typedef TInt32 TLogContactItemId;
sl@0
    41
sl@0
    42
#endif
sl@0
    43
sl@0
    44
/**
sl@0
    45
@publishedAll
sl@0
    46
@released
sl@0
    47
*/
sl@0
    48
typedef TUint32	TLogViewId;
sl@0
    49
sl@0
    50
sl@0
    51
const TLogFlags KLogNullFlags = 0;
sl@0
    52
const TLogFlags KLogFlagsMask = 0xF;
sl@0
    53
sl@0
    54
sl@0
    55
#ifndef SYMBIAN_ENABLE_SPLIT_HEADERS 
sl@0
    56
/**
sl@0
    57
@internalAll
sl@0
    58
*/
sl@0
    59
const TInt KLogActiveDoNotCompleteIfActive = KMaxTInt-1;
sl@0
    60
#endif
sl@0
    61
sl@0
    62
//SimId typedef. Probably the final version will import it from different header. 
sl@0
    63
typedef TUint32 TSimId;
sl@0
    64
//"Null" SimId value.
sl@0
    65
const TSimId KLogNullSimId = 0;
sl@0
    66
sl@0
    67
//**********************************
sl@0
    68
// CLogActive
sl@0
    69
//**********************************
sl@0
    70
sl@0
    71
/** 
sl@0
    72
Common active object behaviour.
sl@0
    73
sl@0
    74
This is an abstract class that defines common active object behaviour for 
sl@0
    75
the log engine classes.
sl@0
    76
@publishedAll
sl@0
    77
@released
sl@0
    78
*/
sl@0
    79
class CLogActive : public CActive
sl@0
    80
	{
sl@0
    81
public:
sl@0
    82
	IMPORT_C ~CLogActive();
sl@0
    83
	//
sl@0
    84
protected:
sl@0
    85
	IMPORT_C CLogActive(TInt aPriority);
sl@0
    86
	IMPORT_C void Queue(TRequestStatus& aStatus);
sl@0
    87
	IMPORT_C void Complete(TInt aStatus);
sl@0
    88
	IMPORT_C void DoCancel();
sl@0
    89
	//
sl@0
    90
private:
sl@0
    91
	//
sl@0
    92
	IMPORT_C void RunL();
sl@0
    93
	virtual void DoRunL()=0;
sl@0
    94
	IMPORT_C virtual void DoComplete(TInt&);
sl@0
    95
	//
sl@0
    96
private:
sl@0
    97
	TRequestStatus* iReport;
sl@0
    98
	};
sl@0
    99
sl@0
   100
//**********************************
sl@0
   101
// CLogEvent
sl@0
   102
//**********************************
sl@0
   103
sl@0
   104
/** 
sl@0
   105
Encapsulates the details of an event.
sl@0
   106
sl@0
   107
Where time is used, it must be specified as UTC rather than local time.
sl@0
   108
sl@0
   109
@publishedAll
sl@0
   110
@released
sl@0
   111
*/
sl@0
   112
class CLogEvent : public CBase
sl@0
   113
	{
sl@0
   114
public:
sl@0
   115
	IMPORT_C static CLogEvent* NewL();
sl@0
   116
	IMPORT_C ~CLogEvent();
sl@0
   117
	//
sl@0
   118
public:
sl@0
   119
	inline TLogId Id() const;
sl@0
   120
	inline void SetId(TLogId aId);
sl@0
   121
	//
sl@0
   122
	inline TUid EventType() const;
sl@0
   123
	inline void SetEventType(TUid aId);
sl@0
   124
	//
sl@0
   125
	inline const TDesC& RemoteParty() const;
sl@0
   126
	inline void SetRemoteParty(const TDesC& aRemote);
sl@0
   127
	//
sl@0
   128
	inline const TDesC& Direction() const;
sl@0
   129
	inline void SetDirection(const TDesC& aDirection);
sl@0
   130
	//
sl@0
   131
	inline const TTime& Time() const;
sl@0
   132
	inline void SetTime(const TTime& aTime);
sl@0
   133
	//
sl@0
   134
	inline TLogDurationType DurationType() const;
sl@0
   135
	inline void SetDurationType(TLogDurationType aDurationType);
sl@0
   136
	//
sl@0
   137
	inline TLogDuration Duration() const;
sl@0
   138
	inline void SetDuration(TLogDuration aDuration);
sl@0
   139
	//
sl@0
   140
	inline const TDesC& Status() const;
sl@0
   141
	inline void SetStatus(const TDesC& aStatus);
sl@0
   142
	//
sl@0
   143
	inline const TDesC& Subject() const;
sl@0
   144
	inline void SetSubject(const TDesC& aSubject);
sl@0
   145
	//
sl@0
   146
	inline const TDesC& Number() const;
sl@0
   147
	inline void SetNumber(const TDesC& aNumber);
sl@0
   148
	//
sl@0
   149
	inline TLogContactItemId Contact() const;
sl@0
   150
	inline void SetContact(TLogContactItemId  aContact);
sl@0
   151
	//
sl@0
   152
	inline TLogLink Link() const;
sl@0
   153
	inline void SetLink(TLogLink aLink);
sl@0
   154
	//
sl@0
   155
	inline const TDesC& Description() const;
sl@0
   156
	inline void SetDescription(const TDesC& aDescription);
sl@0
   157
	//
sl@0
   158
	inline TLogFlags Flags() const;
sl@0
   159
	inline void SetFlags(TLogFlags aFlags);
sl@0
   160
	inline void ClearFlags(TLogFlags aFlags);
sl@0
   161
	//
sl@0
   162
	inline const TDesC8& Data() const;
sl@0
   163
	IMPORT_C void SetDataL(RReadStream& aStream, TInt aLen);
sl@0
   164
	IMPORT_C void SetDataL(const TDesC8& aData);
sl@0
   165
	//
sl@0
   166
	IMPORT_C void CopyL(const CLogEvent& aEvent);
sl@0
   167
sl@0
   168
	IMPORT_C void InternalizeL(RReadStream& aStream);
sl@0
   169
	IMPORT_C void ExternalizeL(RWriteStream& aStream) const;
sl@0
   170
	//
sl@0
   171
	IMPORT_C void SetSimId(TSimId aSimId);
sl@0
   172
	IMPORT_C TSimId SimId() const;
sl@0
   173
	//
sl@0
   174
private:
sl@0
   175
	CLogEvent();
sl@0
   176
	void ConstructL();
sl@0
   177
	void InternalizeBufL(RReadStream& aStream, HBufC*& aDes);
sl@0
   178
	//
sl@0
   179
private:
sl@0
   180
	TLogId iId;
sl@0
   181
	TUid iEventType;
sl@0
   182
	TTime iTime;
sl@0
   183
	TLogDurationType iDurationType;
sl@0
   184
	TLogDuration iDuration;
sl@0
   185
	TLogContactItemId  iContact;
sl@0
   186
	TLogLink iLink;
sl@0
   187
	TLogFlags iFlags;
sl@0
   188
	HBufC* iDescription;
sl@0
   189
	HBufC* iRemoteParty;
sl@0
   190
	HBufC* iDirection;
sl@0
   191
	HBufC* iStatus;
sl@0
   192
	HBufC* iSubject;
sl@0
   193
	HBufC* iNumber;
sl@0
   194
	HBufC8* iData;
sl@0
   195
#ifdef SYMBIAN_ENABLE_EVENTLOGGER_DUALSIM	
sl@0
   196
	TSimId	iSimId;
sl@0
   197
#endif	
sl@0
   198
	};
sl@0
   199
sl@0
   200
//**********************************
sl@0
   201
// CLogBase
sl@0
   202
//**********************************
sl@0
   203
sl@0
   204
/** 
sl@0
   205
Base class for the log engine implementation.
sl@0
   206
sl@0
   207
This class defines the interface that client code uses to perform simple actions 
sl@0
   208
on the log database.
sl@0
   209
sl@0
   210
The class provides default implementations for the event handling functions. 
sl@0
   211
The Log Engine, i.e. an instance of CLogClient, is derived from this class 
sl@0
   212
and provides implementations for the event handling functions.
sl@0
   213
sl@0
   214
The class also deals with some aspects of resource file handling.
sl@0
   215
sl@0
   216
An instance of this class is constructed by the log wrapper, CLogWrapper, 
sl@0
   217
if the phone does not implement logging.
sl@0
   218
sl@0
   219
An instance of this class is never constructed by clients.
sl@0
   220
sl@0
   221
@see CLogClient
sl@0
   222
@see CLogWrapper
sl@0
   223
@publishedAll
sl@0
   224
@released
sl@0
   225
*/
sl@0
   226
class CLogBase : public CLogActive
sl@0
   227
	{
sl@0
   228
public:
sl@0
   229
	IMPORT_C CLogBase(TInt aPriority);
sl@0
   230
	IMPORT_C ~CLogBase();
sl@0
   231
	//
sl@0
   232
	IMPORT_C virtual void GetEvent(CLogEvent& aEvent, TRequestStatus& aStatus);
sl@0
   233
	IMPORT_C virtual void AddEvent(CLogEvent& aEvent, TRequestStatus& aStatus);
sl@0
   234
	IMPORT_C virtual void ChangeEvent(const CLogEvent& aEvent, TRequestStatus& aStatus);
sl@0
   235
	IMPORT_C virtual void DeleteEvent(TLogId aId, TRequestStatus& aStatus);
sl@0
   236
	//
sl@0
   237
	IMPORT_C virtual TInt GetString(TDes& aString, TInt aId) const;
sl@0
   238
	//
sl@0
   239
protected:
sl@0
   240
	IMPORT_C void LoadResourcesL(RFs& aFs);
sl@0
   241
	inline const CResourceFile* ResourceFile() const;
sl@0
   242
	//
sl@0
   243
private:
sl@0
   244
	void DoRunL();
sl@0
   245
	//
sl@0
   246
private:
sl@0
   247
	CResourceFile* iResourceFile;
sl@0
   248
	
sl@0
   249
	//
sl@0
   250
private:
sl@0
   251
	IMPORT_C virtual void CLogBase_Reserved1();
sl@0
   252
	TAny* CLogBase_Reserved;
sl@0
   253
	};
sl@0
   254
sl@0
   255
//**********************************
sl@0
   256
// CLogWrapper
sl@0
   257
//**********************************
sl@0
   258
sl@0
   259
/** 
sl@0
   260
The log wrapper.
sl@0
   261
sl@0
   262
As some UI variants do not use a Log Engine, the log wrapper provides a consistent 
sl@0
   263
interface to clients that need to work, without being changed, with multiple 
sl@0
   264
UI variants.
sl@0
   265
sl@0
   266
The log wrapper is provided in its own DLL, the logwrap.dll.
sl@0
   267
sl@0
   268
If a Log Engine is not installed on a phone, the log wrapper creates an instance 
sl@0
   269
of the CLogBase class, whose event handling requests complete with KErrNotSupported 
sl@0
   270
and whose functions return KErrNotSupported.
sl@0
   271
sl@0
   272
If a Log Engine is installed on a phone, the log wrapper creates an instance 
sl@0
   273
of the CLogClient class, provided in a separate DLL, the logcli.dll . The 
sl@0
   274
CLogClient class derives from CLogBase and provides implementations for the 
sl@0
   275
event handling requests and functions.
sl@0
   276
sl@0
   277
@see CLogBase
sl@0
   278
@see CLogClient
sl@0
   279
@publishedAll
sl@0
   280
@released
sl@0
   281
*/
sl@0
   282
class CLogWrapper : public CBase
sl@0
   283
	{
sl@0
   284
public:
sl@0
   285
	IMPORT_C static CLogWrapper* NewL(RFs& aFs, TInt aPriority = CActive::EPriorityStandard);
sl@0
   286
	IMPORT_C ~CLogWrapper();
sl@0
   287
	//
sl@0
   288
	inline CLogBase& Log();
sl@0
   289
	IMPORT_C TBool ClientAvailable() const;
sl@0
   290
	//
sl@0
   291
private:
sl@0
   292
	CLogWrapper();
sl@0
   293
	void ConstructL(RFs& aFs, TInt aPriority);
sl@0
   294
	//
sl@0
   295
private:
sl@0
   296
	CLogBase* iBase;
sl@0
   297
	};
sl@0
   298
sl@0
   299
#include <logwrap.inl>
sl@0
   300
#include <logeng.h>
sl@0
   301
sl@0
   302
#endif