/**

 * ====================================================================

 * logengine.h

 * Copyright (c) 2006-2007 Nokia Corporation

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 * ====================================================================

 */

#ifndef __LOGENGINE

#define __LOGENGINE

#include <e32base.h>

#include <logcli.h>

#include <logwrap.h>

#include <logview.h>

#include "eventarray.h"

#ifndef EKA2

class CLogEngine : public CActive

#else

NONSHARABLE_CLASS (CLogEngine) : public CActive

#endif

{

public:

	static CLogEngine* NewL(CEventArray& /*aEventArray*/, TInt /*aDirection*/, TUid /*aType*/);

	static CLogEngine* NewLC(CEventArray& /*aEventArray*/, TInt /*aDirection*/, TUid /*aType*/);

	virtual ~CLogEngine();

	void StartL();

	void SetLogFilter(TInt /*aDirection*/, TUid /*aType*/);

public:

	void DoCancel();

	void RunL();

	TInt RunError(TInt /*aError*/);

private:

	CLogEngine(CEventArray& /*aEventArray*/);

	void ConstructL(TInt /*aDirection*/, TUid /*aType*/);

private:

	//Creates

	CLogClient*			iLogClient; 

	CLogViewEvent*	iLogView;

	CLogFilter*			iLogFilter;

	CActiveSchedulerWait* iWait;

	//Connects

	RFs	iFs;

	//Has reference

	CEventArray&	iEventArray;

private:

	enum TEngineState

		{

		ECreate,

		EAddEntry

	};

	//

	TEngineState	iEngineState;

};

#endif