/*

* 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:   This direct client to alf server, that does not require Alf 

*                environment.

*                

*/

#ifndef _ALFDIRECTCLIENT_H_

#define _ALFDIRECTCLIENT_H_

#include <alf/alfclientbase.h>

#include <alf/alfconstants.h>

NONSHARABLE_CLASS( RAlfDirectClient ): public RAlfClientBase

    {

    public:

    /**

     * Constructor

     */

    IMPORT_C RAlfDirectClient();

    /**

     * Disconnect from the server. Must be called before destruction

     */ 

    IMPORT_C void Disconnect();

    /** 

     * MeasureFPS

     * 

     * Several FPS counters can be ongoing simultaniously. If a measurement is 

     * started for already ongoing measurement identifier, then the first 

     * measurement is disgarded.

     * 

     * @param   aId Unique identifier for the measurement.

     * @param   aStart  ETrue, if starting measurement. EFalse, if stopping 

     *          and logging measurement result.

     */

    IMPORT_C void MeasureFPS( TInt32 aId, TBool aStart );

    /**

     * EnableLowMemoryState

     *

     * Enables low memory state in ALF

     * 

     * @param aMode ETrue to enable low memory, EFalse to disable  

     */

    /**

     * Forces SW rendering to be used. 

     * This method is intended to be only used for testing

     * of SW rendering.

     * @param aEnabled ETrue - SW rendering enabled, 

     *                 EFalse - SW rendering disabled.

     * @return error code.

     */

    IMPORT_C TInt ForceSwRendering( TBool aEnabled );

    /**

     * Gets display size and virtual rotation.

     * @param aSize this will contain size.

     * @param aRotation this will contain rotation.

     * @return error code, KErrNone upon success.

     * @internal

     */

    TInt GetSizeAndRotation(TSize& aSize, TInt& aRotation);

    /**

     * Reads pixels from surface to bitmap.

     * @param aBitmapHandle bitmap handle.

     * @return error code, KErrNone upon success.

     * @internal

     */

    TInt ReadPixels(TInt aBitmapHandle);

    /**

     * NGA Substitute for Avkon screen blanker.

     * Only AknCapserver can use this method (protected using SID)

     * Does not reference count, i.e. all calls are absolute 

     * @return error code.

     */

    IMPORT_C TInt BlankScreen( TBool aEnabled );    

    };

#endif