/*

* Copyright (c) 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 PROFILERCONTROLLER_H

#define PROFILERCONTROLLER_H

#include <e32std.h>

#include <s32stor.h>

class CProfilerSettings;

class CProfilerEngineAPI : public CBase

{

public:

    enum TProfilerEngineTraceMode 

        { 

        EProfilerEngineDebugOutputMode, 

        EProfilerEngineFileSystemMode 

        };

	~CProfilerEngineAPI();

	IMPORT_C static CProfilerEngineAPI* NewL();

	void ConstructL();

	IMPORT_C void SaveSettings();

	IMPORT_C void LoadSettings();

	// controlling all sampler plugins

	IMPORT_C TInt StartProfiling();

	IMPORT_C TBool StopProfiling();

	IMPORT_C TInt LaunchProfiler();

	// controlling separate plugins

	IMPORT_C TInt StartSampler(TUint32 aUid);

	IMPORT_C TInt StopSampler(TUint32 aUid);

	IMPORT_C TInt EnableSampler(TUint32 aUid);

	IMPORT_C TInt DisableSampler(TUint32 aUid);

	IMPORT_C TInt EnableWriter(TUint32 aUid);

	IMPORT_C TInt DisableWriter(TUint32 aUid);

	// for meeting the HTI requirements

	IMPORT_C TInt SetSettings(TUint aSamplerId, TDes& aSettings);

    IMPORT_C TInt SetTraceMode(TProfilerEngineTraceMode aMode, TDes& aTraceDataStruct);

    IMPORT_C TInt GetSamplerInfo(TUint aSamplerId, TDes& aCompleteSamplerInfo);

	// old implementations

	IMPORT_C TBool GetSamplerVersion(TDes& version);

	IMPORT_C void LeaveProfilerBG(TBool aVal);

public:

	TBool DriveIsValidL(const TDesC& drive);

	IMPORT_C CProfilerSettings* Settings() const;

private:

	CProfilerEngineAPI();

	TInt				FindProcessL();

private:

	CProfilerSettings* 	iSettings;

	RProcess* 			iProfilerProcess;

	TBool 				iProfilerLaunched;

	TBool 				iLeaveProfilerBG;

	};

#endif