/*

* Copyright (c) 2005 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: 

*     Defines an API used by Series 60 to access the power save display mode

*     features.

*      

*

*/

// INCLUDE FILES

#include "power_save_display_mode.h"

#include <e32std.h>

// CONSTANTS

// Stub uses a constant value for power save size 

const TInt KMaxPowerSaveLinesStub = 50;

// ============================ MEMBER FUNCTIONS ===============================

/**

 * @see power_save_display_mode.h

 */

CPowerSaveDisplayMode::CPowerSaveDisplayMode() :

    CBase(),

    iDisplayDriver(NULL)

    {

    }

/**

 * @see power_save_display_mode.h

 */

EXPORT_C CPowerSaveDisplayMode* CPowerSaveDisplayMode::NewL(TInt aDisplayNumber)

    {

    CPowerSaveDisplayMode* result = new(ELeave) CPowerSaveDisplayMode;

    CleanupStack::PushL(result);

    result->ConstructL(aDisplayNumber);

    CleanupStack::Pop();

    return result;

    }

/**

 * @see power_save_display_mode.h

 */

void CPowerSaveDisplayMode::ConstructL(TInt /* aDisplayNumber */)

    {

    /*

     * ADAPTATION IMPLEMENTATION NEEDED

     *

     * Create and initialize all the member variables that are needed

     * in order to complete the tasks assigned to this class here.

     * Note that this function may leave.

     */

    }

/**

 * @see power_save_display_mode.h

 */

EXPORT_C CPowerSaveDisplayMode::~CPowerSaveDisplayMode()

    {

    /*

     * ADAPTATION IMPLEMENTATION NEEDED

     *

     *  Destroy all member variables that have been created by

     *  ConstructL(). Close open connections.

     */

    }

/**

 * @see power_save_display_mode.h

 */

EXPORT_C TBool CPowerSaveDisplayMode::Status()

    {

    /*

     * ADAPTATION IMPLEMENTATION NEEDED

     *

     * Return ETrue if the power save mode is activated, otherwise EFalse

     */

    return EFalse;

    }

/**

 * @see power_save_display_mode.h

 */

EXPORT_C TInt CPowerSaveDisplayMode::Exit()

    {

    /*

     * ADAPTATION IMPLEMENTATION NEEDED

     *

     * Instruct the display driver to exit power save mode.

     * Return KErrNone on success, or an error code.

     */

    return KErrNone;

    }

/**

 * @see power_save_display_mode.h

 */

EXPORT_C TUint CPowerSaveDisplayMode::MaxLines()

    {

    /*

     * ADAPTATION IMPLEMENTATION NEEDED

     *

     * Return the maximum number of screen display lines supported in

     * power save mode. This should be queried from the display driver.

     */

    return KMaxPowerSaveLinesStub;

    }

/**

 * @see power_save_display_mode.h

 */

EXPORT_C TInt CPowerSaveDisplayMode::Set(

    TUint aStartRow,

    TUint aEndRow,

    TBool /* aFullColors */)

    {

    /*

     * ADAPTATION IMPLEMENTATION NEEDED

     *

     * Instruct the display driver to enter power save mode starting from

     * row "aStartRow" (0-based) and finishing at row "aEndRow". The image

     * to be displayed should already be drawn in display buffer.

     */

    // Sanity-check params

    if (aEndRow <= aStartRow)

        {

        return KErrArgument;

        }

    else

        {

        return KErrNone;

        }

    }

/**

 * @see power_save_display_mode.h

 */

EXPORT_C TInt CPowerSaveDisplayMode::Set(

    TUint aStartRow,

    TUint aEndRow,

    TUint16* aPixels,

    TBool /* aFullColors */)

    {

    /*

     * ADAPTATION IMPLEMENTATION NEEDED

     *

     * Instruct the display driver to enter power save mode starting from

     * row "aStartRow" (0-based) and finishing at row "aEndRow". The image

     * to be displayed should already be drawn in display buffer.

     */

    // Sanity-check params

    if (aEndRow <= aStartRow || aPixels == NULL)

        {

        return KErrArgument;

        }

    else

        {

        return KErrNone;

        }

    }

/**

 * @see power_save_display_mode.h

 */

EXPORT_C TInt CPowerSaveDisplayMode::SetPowerSaveLevel(CPowerSaveDisplayMode::TPowerSaveLevel aVal)

    {

    if ( aVal >= ENone && aVal <= EHigh )

        {

        return KErrNone;

        }

    else

        {

        return KErrNotSupported;

        }

    }

/**

 * @see power_save_display_mode.h

 */

EXPORT_C CPowerSaveDisplayMode::TPowerSaveLevel CPowerSaveDisplayMode::GetPowerSaveLevel()

    {

    return CPowerSaveDisplayMode::ELow;

    }

// End of File