1.1 --- a/epoc32/include/logclientchangeobserver.h Tue Nov 24 13:55:44 2009 +0000
1.2 +++ b/epoc32/include/logclientchangeobserver.h Tue Mar 16 16:12:26 2010 +0000
1.3 @@ -1,1 +1,68 @@
1.4 -logclientchangeobserver.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 __LOGCLIENTCHANGEOBSERVER_H__
1.21 +#define __LOGCLIENTCHANGEOBSERVER_H__
1.22 +
1.23 +// System includes
1.24 +#include <logwrap.h>
1.25 +
1.26 +/**
1.27 +Constants
1.28 +@internalComponent
1.29 +*/
1.30 +const TUid KLogClientChangeEventLogCleared = { 0x101F8C4F };
1.31 +const TUid KLogClientChangeEventRefreshView = { 0x1020601B };
1.32 +
1.33 +/**
1.34 +This class allows a client of the log engine to observe specific change
1.35 +events within a given view.
1.36 +@publishedAll
1.37 +@released
1.38 +*/
1.39 +class MLogClientChangeObserver
1.40 + {
1.41 +public:
1.42 + /** Handle a global change within the logs database
1.43 +
1.44 + This method is called when a generic event occurs within the log database.
1.45 + Such events are not specific to a view (see MLogViewChangeObserver for view
1.46 + specific events).
1.47 +
1.48 + @param aChangeType The uid corresponding to the type of event which
1.49 + occurred.
1.50 + @param aChangeParam1 A context-specific change paramater which can be
1.51 + interpreted based on the change type.
1.52 + @param aChangeParam2 A context-specific change paramater which can be
1.53 + interpreted based on the change type.
1.54 + @param aChangeParam3 A context-specific change paramater which can be
1.55 + interpreted based on the change type.
1.56 +
1.57 + A list of change types and their associated parameters follows:
1.58 +
1.59 + KLogClientChangeEventLogCleared - no parameters. This event occurs when
1.60 + the log database is cleared.
1.61 + KLogClientChangeEventRefreshView - no parameters. This event occurs when
1.62 + the client needs to refresh their view. For example, this occurs after the
1.63 + log database has been restored from a backup. */
1.64 + virtual void HandleLogClientChangeEventL(TUid aChangeType, TInt aChangeParam1, TInt aChangeParam2, TInt aChangeParam3) = 0;
1.65 +
1.66 +private:
1.67 + IMPORT_C virtual void MLogClientChangeObserver_Reserved1();
1.68 + IMPORT_C virtual void MLogClientChangeObserver_Reserved2();
1.69 + };
1.70 +
1.71 +
1.72 +#endif