diff -r 000000000000 -r bde4ae8d615e os/persistentdata/loggingservices/eventlogger/LogCli/inc/LogViewWindow.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/persistentdata/loggingservices/eventlogger/LogCli/inc/LogViewWindow.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,154 @@
+// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#ifndef __LOGVIEWWINDOW_H__
+#define __LOGVIEWWINDOW_H__
+
+// System includes
+#include <e32base.h>
+
+// User includes
+#include <logwrap.h>
+#include "LogServShared.h"
+#include "LogViewWindowFetcher.h"
+#include "LogViewWindowLockObserver.h"
+#include "LogViewChangeObserverInternal.h"
+
+// Classes referenced
+class CLogClient;
+class CLogPackage;
+class CLogChangeDefinition;
+class CLogFilterList;
+class MLogViewChangeObserver;
+class CLogViewSetupClientOp;
+class CLogViewWindowFetcher;
+class CLogViewWindowLockObserver;
+class CLogViewWindowChangeObserver;
+
+
+/////////////////////////////////////////////////////////////////////////////////////////
+// -----> CLogViewWindow (header)
+/////////////////////////////////////////////////////////////////////////////////////////
+NONSHARABLE_CLASS(CLogViewWindow) : public CLogActive, public MLogViewChangeObserverInternal, public MLogViewWindowFetcherObserver, public MLogViewWindowLockObserver
+/**
+@internalComponent
+*/
+	{
+public:
+	CLogViewWindow(RLogSession& aSession, TLogViewId aViewId, TInt aWindowSize, MLogViewChangeObserver* aCascadeObserver, TInt aPriority);
+	~CLogViewWindow();
+	void ConstructL(CLogPackage& aPackage);
+
+public:
+
+	/**
+	 * Prepare the view
+	 */
+	TInt Setup(const CLogFilterList& aFilterList, TInt aParam, TLogFilterConstructionType aFilterConstructionType);
+
+	/**
+	 * Move the view position
+	 */
+	TBool NavigateL(TLogNavigation aNavigate, TRequestStatus& aStatus);
+
+	/**
+	 * Remove the specified log event from the window if its present
+	 */
+	void RemoveFromWindowIfPresentL(TLogId aId);
+
+	/**
+	 * Access the change observer (needed to construct the view)
+	 */
+	MLogViewChangeObserverInternal& ChangeObserver();
+
+	/**
+	 * Access the event at the current position
+	 */
+	const CLogEvent& CurrsorEvent() const;
+
+	/** gets iViewRecordCount */
+	inline TInt ViewRecordCount() const;
+
+private: // FROM MLogViewWindowLockObserver
+	void HandleWindowLockStatusChangeL(TLogViewLockStatus aStatus);
+
+private: // FROM MLogViewWindowFetcherObserver
+	void HandleFetchedWindowItemL(TInt aItemIndex, CLogEvent* aEvent);
+
+public: // FROM MLogViewChangeObserver
+	void HandleLogViewChangeEventAddedL(TLogId aId,   TInt aViewIndex, TInt aChangeIndex, TInt aTotalChangeCount);
+	void HandleLogViewChangeEventChangedL(TLogId aId, TInt aViewIndex, TInt aChangeIndex, TInt aTotalChangeCount);
+	void HandleLogViewChangeEventDeletedL(TLogId aId, TInt aViewIndex, TInt aChangeIndex, TInt aTotalChangeCount);
+
+private: // FROM MLogViewChangeObserverInternal
+	void HandleLogViewChangeEventLogClearedL();
+
+private: // FROM CLogActive
+	void DoRunL();
+	void DoCancel();
+	void DoComplete(TInt& aComplete);
+
+private:
+	enum TWindowState
+		{
+		EStateIdle = 0,
+		EStateFetchingWindow,
+		EStateProcessingWindow,
+		EStateNavigateWithinWindow,
+		EStateLocked
+		};
+
+private:
+	void StateHandleWindowFetchStarting();
+	void StateHandleWindowFetchedL();
+	void StateHandleNavigation();
+
+private:
+	void CompleteRequest(TInt aCompletionCode = KErrNone);
+	void CalculateWindowForCursorPosition(TInt aCursorPosition, TLogWindow& aWindow) const;
+	void Reset();
+	void SilentCancel();
+	void RefetchL(const TLogWindow& aWindow, TInt aCursor);
+	void ChangeState(TWindowState aNewState);
+	void RemoveEvent(TInt aIndex);
+	TInt CalculateCursorPosition(TLogNavigation aNavigate) const;
+	TInt FindEvent(TLogId aId);
+	TInt FindAndRemoveEvent(TLogId aId);
+
+private:
+	RLogSession& iSession;
+	const TLogViewId iViewId;
+	const TInt iWindowSize;
+	MLogViewChangeObserver* iCascadeObserver;
+	RPointerArray<CLogEvent> iEvents;
+
+	TWindowState iState;
+	TLogWindowAndCursor iWindow;
+	TInt iViewRecordCount;
+
+	CLogViewSetupClientOp* iWindowPreparer;
+	CLogViewWindowFetcher* iWindowFetcher;
+	CLogViewWindowLockObserver* iWindowLockObserver;
+	CLogViewWindowChangeObserver* iWindowChangeObserver;
+	};
+
+
+inline 
+TInt CLogViewWindow::ViewRecordCount() const
+	{
+	return iViewRecordCount;
+	}
+
+#endif