diff -r 000000000000 -r 08ec8eefde2f loggingservices/eventlogger/LogCli/inc/LogViewWindowFetcher.h --- /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 + +// User includes +#include +#include "LogCliServShared.h" +#include + +// 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 iFetchWindowData; + TPckgBuf iData; + TLogWindowAndCursor iWindowReq; + }; + + +///////////////////////////////////////////////////////////////////////////////////////// +// -----> CLogViewWindowFetcher (inline) +///////////////////////////////////////////////////////////////////////////////////////// +inline const TLogWindowAndCursor& CLogViewWindowFetcher::RequestedWindow() const + { + return iRequestedWindow; + } + +#endif