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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 the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
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// which accompanies this distribution, and is available
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// at the URL "http://www.symbianfoundation.org/legal/licencesv10.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 __LOGCLIENTCHANGEOBSERVER_H__
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#define __LOGCLIENTCHANGEOBSERVER_H__
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// System includes
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#include <logwrap.h>
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/**
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Constants
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@internalComponent
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*/
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const TUid KLogClientChangeEventLogCleared = { 0x101F8C4F };
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const TUid KLogClientChangeEventRefreshView = { 0x1020601B };
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/**
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This class allows a client of the log engine to observe specific change
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events within a given view.
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@publishedAll
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@released
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*/
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class MLogClientChangeObserver
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{
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public:
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/** Handle a global change within the logs database
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This method is called when a generic event occurs within the log database.
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Such events are not specific to a view (see MLogViewChangeObserver for view
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specific events).
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@param aChangeType The uid corresponding to the type of event which
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occurred.
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@param aChangeParam1 A context-specific change paramater which can be
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interpreted based on the change type.
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@param aChangeParam2 A context-specific change paramater which can be
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interpreted based on the change type.
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@param aChangeParam3 A context-specific change paramater which can be
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interpreted based on the change type.
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A list of change types and their associated parameters follows:
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KLogClientChangeEventLogCleared - no parameters. This event occurs when
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the log database is cleared.
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KLogClientChangeEventRefreshView - no parameters. This event occurs when
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the client needs to refresh their view. For example, this occurs after the
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log database has been restored from a backup. */
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virtual void HandleLogClientChangeEventL(TUid aChangeType, TInt aChangeParam1, TInt aChangeParam2, TInt aChangeParam3) = 0;
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private:
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IMPORT_C virtual void MLogClientChangeObserver_Reserved1();
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IMPORT_C virtual void MLogClientChangeObserver_Reserved2();
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};
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#endif
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