epoc32/include/logview.h
branchSymbian2
changeset 2 2fe1408b6811
parent 0 061f57f2323e
child 4 837f303aceeb
     1.1 --- a/epoc32/include/logview.h	Tue Nov 24 13:55:44 2009 +0000
     1.2 +++ b/epoc32/include/logview.h	Tue Mar 16 16:12:26 2010 +0000
     1.3 @@ -1,1 +1,239 @@
     1.4 -logview.h
     1.5 +// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.6 +// All rights reserved.
     1.7 +// This component and the accompanying materials are made available
     1.8 +// under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
     1.9 +// which accompanies this distribution, and is available
    1.10 +// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
    1.11 +//
    1.12 +// Initial Contributors:
    1.13 +// Nokia Corporation - initial contribution.
    1.14 +//
    1.15 +// Contributors:
    1.16 +//
    1.17 +// Description:
    1.18 +//
    1.19 +
    1.20 +#ifndef __LOGVIEW_H__
    1.21 +#define __LOGVIEW_H__
    1.22 +
    1.23 +// System includes
    1.24 +#include <d32dbms.h>
    1.25 +#include <logwrap.h>
    1.26 +
    1.27 +// User includes
    1.28 +#include <logcli.h>
    1.29 +
    1.30 +// Classes referenced
    1.31 +class CLogClient;
    1.32 +class CLogGetEventClientOp;
    1.33 +class CLogPackage;
    1.34 +class CLogViewSetupClientOp;
    1.35 +class CLogMaintainClientOp;
    1.36 +class CLogViewObserver;
    1.37 +class CLogFilterList;
    1.38 +class CLogFilter;
    1.39 +class CLogViewDuplicate;
    1.40 +class CLogViewRemoveEventClientOp;
    1.41 +class MLogViewChangeObserver;
    1.42 +class CLogViewWindow;
    1.43 +
    1.44 +
    1.45 +//**********************************
    1.46 +// CLogView
    1.47 +//**********************************
    1.48 +
    1.49 +class CLogView : public CLogActive
    1.50 +/** 
    1.51 +Navigates a view on the log database.
    1.52 +
    1.53 +The class provides functions for navigating through a set of events and a 
    1.54 +function to retrieve the event at the current position within the view.
    1.55 +
    1.56 +The class cannot be instantiated. Further classes are derived from this class 
    1.57 +to define and construct views on the log database.
    1.58 +
    1.59 +The set of events in a view are always ordered so that the first event in 
    1.60 +a view is the most recent.
    1.61 +@publishedAll
    1.62 +@released
    1.63 +*/
    1.64 +	{
    1.65 +public:
    1.66 +	IMPORT_C ~CLogView();
    1.67 +	//
    1.68 +public:
    1.69 +	inline const CLogEvent& Event() const;
    1.70 +	//
    1.71 +	IMPORT_C TBool FirstL(TRequestStatus& aStatus);
    1.72 +	IMPORT_C TBool LastL(TRequestStatus& aStatus);
    1.73 +	IMPORT_C TBool NextL(TRequestStatus& aStatus);
    1.74 +	IMPORT_C TBool PreviousL(TRequestStatus& aStatus);
    1.75 +	//
    1.76 +	IMPORT_C TInt CountL();
    1.77 +	//
    1.78 +	IMPORT_C void SetFlagsL(TLogFlags aFlags);
    1.79 +	//
    1.80 +protected:
    1.81 +	CLogView(CLogClient& aClient, TInt aPriority = CActive::EPriorityStandard);
    1.82 +	void ConstructL(TInt aType, MLogViewChangeObserver* aObserver = NULL);
    1.83 +	//
    1.84 +	inline TBool IsValid() const;
    1.85 +	void DoCancel();
    1.86 +	void ReadEventFromWindowL();
    1.87 +	void ReawaitForChanges();
    1.88 +	TInt LogViewRecordCount() const;
    1.89 +	//
    1.90 +private:
    1.91 +	TBool NavigateL(TInt aPosition, TRequestStatus& aStatus);
    1.92 +	void DoRunL();
    1.93 +	void PrepareViewChildrenL();
    1.94 +	void NotifyLogServerTerminatedL();
    1.95 +
    1.96 +	//
    1.97 +private:
    1.98 +	CLogEvent* iEvent;
    1.99 +	TAny* iSpare1;
   1.100 +	//
   1.101 +protected:
   1.102 +	CLogClient& iClient;
   1.103 +	CLogPackage* iPackage;
   1.104 +	TAny* iSpare2;
   1.105 +	CLogMaintainClientOp* iMaintain;
   1.106 +	TLogViewId iViewId;
   1.107 +	TDes8* iData;
   1.108 +	TBool iValid;
   1.109 +	CLogViewWindow* iWindow;
   1.110 +	//
   1.111 +private:
   1.112 +	TInt iType;
   1.113 +	MLogViewChangeObserver* iLogViewChangeObserver;
   1.114 +	CLogViewObserver* iLogViewObserver;
   1.115 +	friend class CLogViewObserver;
   1.116 +	};
   1.117 +
   1.118 +//**********************************
   1.119 +// CLogViewEvent
   1.120 +//**********************************
   1.121 +
   1.122 +
   1.123 +class CLogViewEvent : public CLogView
   1.124 +/** 
   1.125 +A view on the event log.
   1.126 +
   1.127 +The events included in the view are defined using a filter that specifies 
   1.128 +the constraints that all events in the view must satisfy. Filters are specified 
   1.129 +using one or more CLogFilter objects.
   1.130 +
   1.131 +@see CLogFilter
   1.132 +@see CLogFilterList
   1.133 +@publishedAll
   1.134 +@released
   1.135 +*/
   1.136 +	{
   1.137 +public:
   1.138 +	IMPORT_C static CLogViewEvent* NewL(CLogClient& aClient, TInt aPriority = CActive::EPriorityStandard);
   1.139 +	IMPORT_C static CLogViewEvent* NewL(CLogClient& aClient, MLogViewChangeObserver& aObserver, TInt aPriority = CActive::EPriorityStandard);
   1.140 +	IMPORT_C ~CLogViewEvent();
   1.141 +	//
   1.142 +public:
   1.143 +	IMPORT_C TBool SetFilterL(const CLogFilterList& aFilterList, TRequestStatus& aStatus);
   1.144 +	IMPORT_C TBool SetFilterL(const CLogFilter& aFilter, TRequestStatus& aStatus);
   1.145 +	IMPORT_C TBool SetFilterParseFilterByFilterL(const CLogFilterList& aFilterList, TRequestStatus& aStatus);
   1.146 +	//
   1.147 +private:
   1.148 +	CLogViewEvent(CLogClient& aClient, TInt aPriority);
   1.149 +	void ConstructL(MLogViewChangeObserver* aObserver = NULL);
   1.150 +	};
   1.151 +
   1.152 +//**********************************
   1.153 +// CLogViewRecent
   1.154 +//**********************************
   1.155 +
   1.156 +
   1.157 +class CLogViewRecent : public CLogView
   1.158 +/** 
   1.159 +A view on a recent event list.
   1.160 +@publishedAll
   1.161 +@released
   1.162 +*/
   1.163 +	{
   1.164 +public:
   1.165 +	IMPORT_C static CLogViewRecent* NewL(CLogClient& aClient, TInt aPriority = CActive::EPriorityStandard);
   1.166 +	IMPORT_C static CLogViewRecent* NewL(CLogClient& aClient, MLogViewChangeObserver& aObserver, TInt aPriority = CActive::EPriorityStandard);
   1.167 +	IMPORT_C ~CLogViewRecent();
   1.168 +	//
   1.169 +public:
   1.170 +	IMPORT_C TBool SetRecentListL(TLogRecentList aList, TRequestStatus& aStatus);
   1.171 +	IMPORT_C TBool SetRecentListL(TLogRecentList aList, const CLogFilter& aFilter, TRequestStatus& aStatus);
   1.172 +	IMPORT_C TBool SetRecentListL(TLogRecentList aList, const CLogFilterList& aFilterList, TRequestStatus& aStatus);
   1.173 +	//
   1.174 +	IMPORT_C TBool DuplicatesL(CLogViewDuplicate& aView, TRequestStatus& aStatus);
   1.175 +	IMPORT_C TBool DuplicatesL(CLogViewDuplicate& aView, const CLogFilter& aFilter, TRequestStatus& aStatus);
   1.176 +	IMPORT_C TBool DuplicatesL(CLogViewDuplicate& aView, const CLogFilterList& aFilterList, TRequestStatus& aStatus);
   1.177 +	IMPORT_C void ClearDuplicatesL();
   1.178 +	//
   1.179 +	IMPORT_C void RemoveL(TLogId aId);
   1.180 +	IMPORT_C TBool RemoveL(TRequestStatus& aStatus);
   1.181 +	//
   1.182 +	inline TLogRecentList RecentList() const;
   1.183 +	//
   1.184 +private:
   1.185 +	CLogViewRecent(CLogClient& aClient, TInt aPriority);
   1.186 +	void ConstructL(MLogViewChangeObserver* aObserver = NULL);
   1.187 +	void DoRunL();
   1.188 +	//
   1.189 +	TBool DoRemoveL(TRequestStatus& aStatus);
   1.190 +	//
   1.191 +private:
   1.192 +	TLogRecentList iRecentList;
   1.193 +	TLogRecentList iCurrentList;
   1.194 +	TPckgBuf<TLogRecentList> iCurrentListBuf;
   1.195 +	CLogViewRemoveEventClientOp* iRemove;
   1.196 +	};
   1.197 +
   1.198 +//**********************************
   1.199 +// CLogViewDuplicate
   1.200 +//**********************************
   1.201 +
   1.202 +class CLogViewDuplicate : public CLogView
   1.203 +/** 
   1.204 +A view of events that are duplicates of an event in a view of recent events.
   1.205 +
   1.206 +The view is populated through a call to CLogViewRecent::DuplicatesL().
   1.207 +
   1.208 +@see CLogViewRecent::DuplicatesL()
   1.209 +@see CLogViewRecent 
   1.210 +@publishedAll
   1.211 +@released
   1.212 +*/
   1.213 +	{
   1.214 +public:
   1.215 +	IMPORT_C static CLogViewDuplicate* NewL(CLogClient& aClient, TInt aPriority = CActive::EPriorityStandard);
   1.216 +	IMPORT_C static CLogViewDuplicate* NewL(CLogClient& aClient, MLogViewChangeObserver& aObserver, TInt aPriority = CActive::EPriorityStandard);
   1.217 +	IMPORT_C ~CLogViewDuplicate();
   1.218 +	//
   1.219 +	IMPORT_C void RemoveL(TLogId aId);
   1.220 +	IMPORT_C TBool RemoveL(TRequestStatus& aStatus);
   1.221 +	// 
   1.222 +	inline TLogId Source() const;
   1.223 +	//
   1.224 +public:
   1.225 +	// The following are not exported, use CLogViewRecent::DuplicatesL to initialise this view
   1.226 +	TBool SetEventL(TLogId aId, TRequestStatus& aStatus);
   1.227 +	TBool SetEventL(TLogId aId, const CLogFilter& aFilter, TRequestStatus& aStatus);
   1.228 +	TBool SetEventL(TLogId aId, const CLogFilterList& aFilterList, TRequestStatus& aStatus);
   1.229 +	//
   1.230 +private:
   1.231 +	CLogViewDuplicate(CLogClient& aClient, TInt aPriority);
   1.232 +	void ConstructL(MLogViewChangeObserver* aObserver = NULL);
   1.233 +	//
   1.234 +	TBool DoRemoveL(TRequestStatus& aStatus);
   1.235 +	//
   1.236 +private:
   1.237 +	TLogId iSourceId;
   1.238 +	CLogViewRemoveEventClientOp* iRemove;
   1.239 +	};
   1.240 +
   1.241 +#include <logview.inl>
   1.242 +
   1.243 +#endif