sl@0: // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #ifndef __LOGVIEWWINDOWCHANGEOBSERVER_H__
sl@0: #define __LOGVIEWWINDOWCHANGEOBSERVER_H__
sl@0: 
sl@0: // System includes
sl@0: #include <e32base.h>
sl@0: 
sl@0: // User includes
sl@0: #include "LogViewChangeObserverInternal.h"
sl@0: 
sl@0: // Classes referenced
sl@0: class RLogSession;
sl@0: 
sl@0: 
sl@0: /////////////////////////////////////////////////////////////////////////////////////////
sl@0: // -----> CLogViewWindowChangeObserver (header)
sl@0: /////////////////////////////////////////////////////////////////////////////////////////
sl@0: NONSHARABLE_CLASS(CLogViewWindowChangeObserver) : public CBase, public MLogViewChangeObserverInternal
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: 	{
sl@0: public:
sl@0: 	enum TType
sl@0: 		{
sl@0: 		ELogEventTypeAdd = 0,
sl@0: 		ELogEventTypeChange,
sl@0: 		ELogEventTypeDelete
sl@0: 		};
sl@0: 
sl@0: public:
sl@0: 	CLogViewWindowChangeObserver(MLogViewChangeObserverInternal& aObserver);
sl@0: 	~CLogViewWindowChangeObserver();
sl@0: 
sl@0: public:
sl@0: 
sl@0: 	/**
sl@0: 	 * Request that the next change notification corresponding to the specified
sl@0: 	 * log id and change type is ignored.
sl@0: 	 */
sl@0: 	void IgnoreNextEventL(TLogId aId, TType aType);
sl@0: 
sl@0: private: // FROM MLogViewChangeObserver
sl@0: 	void HandleLogViewChangeEventAddedL(TLogId aId, TInt aViewIndex, TInt aChangeIndex, TInt aTotalChangeCount);
sl@0: 	void HandleLogViewChangeEventChangedL(TLogId aId, TInt aViewIndex, TInt aChangeIndex, TInt aTotalChangeCount);
sl@0: 	void HandleLogViewChangeEventDeletedL(TLogId aId, TInt aViewIndex, TInt aChangeIndex, TInt aTotalChangeCount);
sl@0: 
sl@0: private: // FROM MLogViewChangeObserverInternal
sl@0: 	void HandleLogViewChangeEventLogClearedL();
sl@0: 
sl@0: private:
sl@0: 	TInt Find(TLogId aId, TType aType) const;
sl@0: 
sl@0: private:
sl@0: 	class TIgnoreEvent
sl@0: 		{
sl@0: 	public:
sl@0: 		inline TIgnoreEvent(TLogId aId, TType aType) : iId(aId), iType(aType) { }
sl@0: 
sl@0: 	public:
sl@0: 		TLogId iId;
sl@0: 		TType iType;
sl@0: 		};
sl@0: 	
sl@0: private:
sl@0: 	MLogViewChangeObserverInternal& iObserver;
sl@0: 	RArray<TIgnoreEvent> iIgnoreStack;
sl@0: 	};
sl@0: 
sl@0: 
sl@0: #endif