--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/loggingservices/eventlogger/LogCli/inc/LogViewWindowFetcher.h	Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,113 @@
+// 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 __LOGVIEWWINDOWFETCHER_H__
+#define __LOGVIEWWINDOWFETCHER_H__
+
+// System includes
+#include <e32base.h>
+
+// User includes
+#include <logwrap.h>
+#include "LogCliServShared.h"
+#include <logviewchangeobserver.h>
+
+// Classes referenced
+class RLogSession;
+
+
+/////////////////////////////////////////////////////////////////////////////////////////
+// -----> MLogViewWindowFetcherObserver (header)
+/////////////////////////////////////////////////////////////////////////////////////////
+class MLogViewWindowFetcherObserver
+/**
+@internalComponent
+*/
+	{
+public:
+	virtual void HandleFetchedWindowItemL(TInt aItemIndex, CLogEvent* aEvent) = 0;
+	};
+
+
+/////////////////////////////////////////////////////////////////////////////////////////
+// -----> CLogViewWindowFetcher (header)
+/////////////////////////////////////////////////////////////////////////////////////////
+NONSHARABLE_CLASS(CLogViewWindowFetcher) : public CActive
+/**
+@internalComponent
+*/
+	{
+public:
+	CLogViewWindowFetcher(RLogSession& aSession, TLogViewId aViewId, MLogViewWindowFetcherObserver& aObserver, TInt aPriority);
+	~CLogViewWindowFetcher();
+	void ConstructL();
+
+public:
+
+	/**
+	 * Fetch the specified window.
+	 */
+	void PrepareToFetchWindowL(const TLogWindowAndCursor& aRequestedWindow);
+
+	/**
+	 * Start the asynchronous fetch
+	 */
+	void Start(TRequestStatus& aObserver);
+
+	/**
+	 * Cancel any fetch operation but without notifying the observer
+	 */
+	void SilentCancel();
+
+	/**
+	 * Access the window & cursor for the requested window
+	 */
+	inline const TLogWindowAndCursor& RequestedWindow() const;
+
+private:
+	void Fetch(const TLogWindow& aWindow);
+	void CompleteObserver(TInt aError);
+
+private: // FROM CActive
+	void RunL();
+	void DoCancel();
+	TInt RunError(TInt aError);
+
+private:
+	RLogSession& iSession;
+	const TLogViewId iViewId;
+	MLogViewWindowFetcherObserver& iObserver;
+
+private:
+	TLogWindowAndCursor iRequestedWindow;
+	//
+	TRequestStatus* iObserverRequestStatus;
+	CBufBase* iBuffer;
+	TPtr8 iBufferPointer;
+	TPckgBuf<TLogTransferWindow> iFetchWindowData;
+	TPckgBuf<TLogClientServerData> iData;
+	TLogWindowAndCursor iWindowReq;
+	};
+
+
+/////////////////////////////////////////////////////////////////////////////////////////
+// -----> CLogViewWindowFetcher (inline)
+/////////////////////////////////////////////////////////////////////////////////////////
+inline const TLogWindowAndCursor& CLogViewWindowFetcher::RequestedWindow() const
+	{
+	return iRequestedWindow;
+	}
+
+#endif