/*

* Copyright (c) 2008 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:  Video UI states class.

*

*/

#include <cvtengmodel.h>

#include <mvtengcamerapreferences.h>

#include <cvtlogger.h>

#include "tlcvtstates.h"

// -----------------------------------------------------------------------------

// TLcVtStates::TLcVtStates

// -----------------------------------------------------------------------------

//

TLcVtStates::TLcVtStates( CVtEngModel& aModel )

    : iMediaState( aModel.Media(), aModel.CommandHandler() ), iAudioState( aModel ),

    iModel( aModel ), iExecState( EExecStateStarting)    

    {

    // get camera preferences

    iCameraPref = static_cast<MVtEngCameraPreferences*>

        ( iModel.Extension( KVtEngExtensionCameraPreferences ) );

    }

// -----------------------------------------------------------------------------

// TLcVtStates::Update

// -----------------------------------------------------------------------------

//

void TLcVtStates::Update()

    {

    __VTPRINTENTER( "TLcVtStates.Update" )

    iMediaState.Update();

    iAudioState.Update();

    __VTPRINTEXIT( "TLcVtStates.Update" )

    }

// -----------------------------------------------------------------------------

// TLcVtStates::IsColorToneSettingAvailable

// -----------------------------------------------------------------------------

//

TBool TLcVtStates::IsColorToneSettingAvailable() const

    {

    __VTPRINTENTER( "TLcVtStates.IsColorToneSettingAvailable" )

    TUint32 supportedModes;

    // Get supported whitebalance modes

    if ( iCameraPref )

        {

        if ( iCameraPref->GetSupportedColorTones( supportedModes ) )

            {

            // error occured

            __VTPRINTEXIT( "TLcVtStates.IsColorToneSettingAvailableErr" )

            return EFalse;

            }

        }

    // Clean the flag, flags that are possible are

    // A bitfield of suported colortones

    // ENormal         = 0x00,

    // ESepia          = 0x01,

    // EGrayscale      = 0x02,

    // ENegative       = 0x04

    supportedModes &= 0x07;

    // If supported modes is 0 automatic,then return EFalse

    __VTPRINTEXIT( "TLcVtStates.IsColorToneSettingAvailable" )

    return supportedModes;

    }

// -----------------------------------------------------------------------------

// TLcVtStates::IsWhiteBalanceSettingAvailable

// -----------------------------------------------------------------------------

//

TBool TLcVtStates::IsWhiteBalanceSettingAvailable() const

    {

    __VTPRINTENTER( "TLcVtStates.IsWhiteBalanceSettingAvailable" )

    TUint32 supportedModes;

    // Get supported whitebalance modes

    if ( iCameraPref )

        {

        if ( iCameraPref->GetSupportedWhiteBalanceModes( supportedModes ) )

            {

            // error occured

            __VTPRINTEXIT( "TLcVtStates.IsWhiteBalanceSettingAvailableErr" )

            return EFalse;

            }

        }

    __VTPRINT2( DEBUG_GEN, "IsWhiteBalanceSettingAvailable=%d", supportedModes )

    // If supported modes is 0 ,then return EFalse

    __VTPRINTEXIT( "TLcVtStates.IsWhiteBalanceSettingAvailable2" )

    return supportedModes;

    }

// -----------------------------------------------------------------------------

// TLcVtStates::IsContrastSettingAvailable

// -----------------------------------------------------------------------------

//

TBool TLcVtStates::IsContrastSettingAvailable() const

    {

    __VTPRINTENTER( "TLcVtStates.IsContrastSettingAvailable" )

    TBool ret( ETrue );

    if ( iCameraPref )

        {

        TInt temp;

        ret = !iCameraPref->GetContrast( temp );

        }

    return ret;

    }

// -----------------------------------------------------------------------------

// TLcVtStates::IsBrightnessSettingAvailable

// -----------------------------------------------------------------------------

//

TBool TLcVtStates::IsBrightnessSettingAvailable() const

    {

    __VTPRINTENTER( "TLcVtStates.IsBrightnessSettingAvailable" )

    TBool ret( ETrue );

    if ( iCameraPref )

         {

         TInt temp;

         ret = !iCameraPref->GetBrightness( temp );

         }

    return ret;

    }