/*

* 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:  AknPhysics parameter provider

*

*/

#ifndef C_AKNPHYSICSPARAMETERPROVIDER_H

#define C_AKNPHYSICSPARAMETERPROVIDER_H

#include <e32base.h>

#include "aknphysicscenreplistener.h"

class CRepository;

/**

 *  ODE parameter provider

 *

 */

NONSHARABLE_CLASS( CAknPhysicsParameterProvider ) : public CBase, 

                                                    public MAknPhysicsCenRepObserver

    {

public:

    /**

     * Two-phased constructor.

     */

    static CAknPhysicsParameterProvider* NewL();

    /**

     * Two-phased constructor.

     */

    static CAknPhysicsParameterProvider* NewLC();

    /**

     * Destructor.

     */

    virtual ~CAknPhysicsParameterProvider();

    /**

     * Returns view mass value.

     *

     * @return View mass value.

     */

    TInt ViewMass() const;

    /**

     * Returns gravity value.

     *

     * @return Gravity value.

     */

    TInt Gravity() const;

    /**

     * Returns surface erp value.

     *

     * @return Surface erp value.

     */

    TInt SurfaceErp() const;

    /**

     * Returns surface cfm value.

     *

     * @return Surface cfm value.

     */

    TInt SurfaceCfm() const;

    /**

     * Returns highlight timeout value.

     *

     * @return Highlight timeout value.

     */

    TInt HighlightTimeout() const;

    /**

     * Returns drag threshold value.

     *

     * @return Drag threshold value.

     */

    TInt DragThreshold() const;

    /**

     * Returns frame delay value.

     *

     * @return Frame delay value.

     */

    TInt FrameDelay() const;

    /**

     * Returns min frame interval value.

     *

     * @return Min frame interval value.

     */

    TInt MinFrameInterval() const;

    /**

     * Returns ETrue if ode feature is enabled.

     *

     * @return ETrue if feature is enabled.

     */

    static TBool FeatureEnabled();

    /**

     * Returns short list empty space value.

     *

     * @return Short list empty space value.

     */

    TInt ShortListEmptySpace() const;

    /**

     * Returns long list empty space value.

     *

     * @return Long list empty space value.

     */

    TInt LongListEmptySpace() const;

    /**

     * Returns whether FPS logging is enabled.

     */

    TBool FpsLoggingEnabled() const;

// from base class MAknPhysicsCenRepObserver

    /**

     * Informs the observer that the cenrep

     * value have been changed.

     *

     * @param aKey CenRep value key.

     */

    void CenRepValueChanged( const TInt& aKey );

private:

    /**

     * C++ constructor.

     */

    CAknPhysicsParameterProvider();

    /**

     * Symbian second-phase constructor.

     */

    void ConstructL();

    /**

     * Reads ode parameters from cen rep.

     */

    void ReadValuesFromCenRepL();

    /**

     * Sets ode parameters as defaults.

     *

     * @param aWriteToCenRep ETrue if values should be written to cen rep.

     */

    void SetDefaultValues( TBool aWriteToCenRep );

    /**

     * Checks are the values set.

     */

    TBool ValuesAreSet();

private: // data

    /**

     * Central repository.

     * Own.

     */

    CRepository* iCenRep;

    /**

     * View mass value.

     */

    TInt iViewMass;

    /**

     * Gravity value.

     */

    TInt iGravity;

    /**

     * Surface erp value.

     */

    TInt iSurfaceErp;

    /**

     * Surface cfm value.

     */

    TInt iSurfaceCfm;

    /**

     * Highlight timeout value.

     */

    TInt iHighlightTimeout;

    /**

     * Drag threshold value.

     */

    TInt iDragThreshold;

    /**

     * Frame delay value.

     */

    TInt iFrameDelay;

	/**

     * Min frame interval value.

     */

    TInt iMinFrameInterval;

    /**

     * Empty space percent in short lists.

     */

    TInt iShortListEmptySpace;

    /**

     * Empty space percent in long lists.

     */

    TInt iLongListEmptySpace;

    /**

     * FPS logging enabled / disabled.

     */

    TBool iFpsLoggingEnabled;

    /**

     * CenRep listener.

     * Own.

     */

    CAknPhysicsCenRepListener* iListener;

    };

#endif // C_AKNPHYSICSPARAMETERPROVIDER_H