/*

* Copyright (c)  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:  ?Description

*

*/

#ifndef C_ALFDEBUGEXTENSIONOIMPL_H

#define C_ALFDEBUGEXTENSIONOIMPL_H

#include "alfdebug.h"

class CAlfEnv;

class CAlfGenComponent;

/**

 *  ?one_line_short_description

 *  ?more_complete_description

 *

 *  @code

 *   ?good_class_usage_example(s)

 *  @endcode

 *

 *  @lib ?library

 *  @since S60 ?S60_version *** for example, S60 v3.0

 */

NONSHARABLE_CLASS( CAlfDebugExtensionImpl ): public CAlfDebugExtension

    {

public:

    static CAlfDebugExtensionImpl* NewL( CAlfEnv& aEnv );

    ~CAlfDebugExtensionImpl();

public:

    /**

     * Sets the time factor that affects the internal absolute clock, which

     * is returned by Time(). Zero stops the progress of time completely,

     * 0.5 means that time  progresses in half the speed compared to real

     * time (1.0).

     *

     * @param aTimeFactor  Time factor.

     */

    void SetTimeFactor(TReal32 aTimeFactor);

    /**

     * Determines the current time factor.

     *

     * @return  Time factor.

     */

    TReal32 TimeFactor();

    /**

     * Determines the number of frames shown.

     *

     * @return  Frame count since the system first began rendering.

     */

    TUint FrameCount();

    /**

     * Determines the current frame rate. The rate is calculated at most

     * once per second. Calling this less frequently causes the rate to be

     * calculated as an average since the last time this was called.

     *

     * @return  Frames per second.

     * 

     */

    TReal32 FrameRate();

    void ShowFrameRate( TBool aShow = ETrue );

    void ShowServerHeapUsage( TInt aInterval = 500 );

    /**

     * Measures performance from the server side.

     * @param aResult this will contain results of measurements.

     * @return error code.

     */

    virtual TInt GetMeasurements( TAlfDebugServerMeasurements& aResult );

private:

    CAlfDebugExtensionImpl();

    void ConstructL( CAlfEnv& aEnv );

private: // data

    CAlfEnv* iEnv;

    CAlfGenComponent* iComms;

    };

NONSHARABLE_CLASS( CAlfDebugFactoryImpl ) : public CAlfDebugFactory

    {

public:

    ~CAlfDebugFactoryImpl();

    CAlfDebugExtension* CreateDebugExtensionL( CAlfEnv* aEnv = NULL ); 

private:

    CAlfEnv* iOwnEnv;

    };

#endif // C_ALFDEBUGEXTENSIONOIMPL_H