1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/persistentdata/loggingservices/eventlogger/Shared/LogViewObserver.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,70 @@
     1.4 +// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +#ifndef __LOGVIEWOBSERVER_H__
    1.20 +#define __LOGVIEWOBSERVER_H__
    1.21 +
    1.22 +// System includes
    1.23 +#include <e32base.h>
    1.24 +
    1.25 +// User includes
    1.26 +#include <logwrap.h>
    1.27 +#include <logview.h>
    1.28 +
    1.29 +// Classes referenced
    1.30 +class CLogClient;
    1.31 +class CLogChangeDefinition;
    1.32 +class MLogViewChangeObserverInternal;
    1.33 +
    1.34 +
    1.35 +/////////////////////////////////////////////////////////////////////////////////////////
    1.36 +// -----> CLogViewObserver (header)
    1.37 +/////////////////////////////////////////////////////////////////////////////////////////
    1.38 +NONSHARABLE_CLASS(CLogViewObserver) : public CActive
    1.39 +/**
    1.40 +@internalComponent
    1.41 +*/
    1.42 +	{
    1.43 +public:
    1.44 +	static CLogViewObserver* NewL(CLogView& aView, CLogClient& aClient, MLogViewChangeObserverInternal& aObserver, TLogViewId aViewId, TInt aPriority);
    1.45 +	~CLogViewObserver();
    1.46 +
    1.47 +private:
    1.48 +	CLogViewObserver(CLogView& aView, CLogClient& aClient, MLogViewChangeObserverInternal& aObserver, TLogViewId aViewId, TInt aPriority);
    1.49 +	void ConstructL();
    1.50 +
    1.51 +public:
    1.52 +	void RequestChanges();
    1.53 +
    1.54 +private: // FROM CActive
    1.55 +	void RunL();
    1.56 +	void DoCancel();
    1.57 +	TInt RunError(TInt aError);
    1.58 +
    1.59 +private:
    1.60 +	void RequestChangesCancel();
    1.61 +	void FetchChangesL(TInt aBufferSizeRequired);
    1.62 +	void NotifyObserverL();
    1.63 +
    1.64 +private:
    1.65 +	CLogClient& iClient;
    1.66 +	MLogViewChangeObserverInternal& iObserver;
    1.67 +	TLogViewId iViewId;
    1.68 +	CLogChangeDefinition* iChanges;
    1.69 +	CLogView& iView;
    1.70 +	};
    1.71 +
    1.72 +
    1.73 +#endif