1 /*

     2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Video UI states class.

    15 *

    16 */

    17 

    18 

    19 #include <cvtengmodel.h>

    20 #include <mvtengcamerapreferences.h>

    21 #include <cvtlogger.h>

    22 

    23 #include "tlcvtstates.h"

    24 

    25 // -----------------------------------------------------------------------------

    26 // TLcVtStates::TLcVtStates

    27 // -----------------------------------------------------------------------------

    28 //

    29 TLcVtStates::TLcVtStates( CVtEngModel& aModel )

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

    31     iModel( aModel ), iExecState( EExecStateStarting)    

    32     {

    33     // get camera preferences

    34     iCameraPref = static_cast<MVtEngCameraPreferences*>

    35         ( iModel.Extension( KVtEngExtensionCameraPreferences ) );

    36     }

    37 

    38 // -----------------------------------------------------------------------------

    39 // TLcVtStates::Update

    40 // -----------------------------------------------------------------------------

    41 //

    42 void TLcVtStates::Update()

    43     {

    44     __VTPRINTENTER( "TLcVtStates.Update" )

    45     iMediaState.Update();

    46     iAudioState.Update();

    47     __VTPRINTEXIT( "TLcVtStates.Update" )

    48     }

    49 

    50 // -----------------------------------------------------------------------------

    51 // TLcVtStates::IsColorToneSettingAvailable

    52 // -----------------------------------------------------------------------------

    53 //

    54 TBool TLcVtStates::IsColorToneSettingAvailable() const

    55     {

    56     __VTPRINTENTER( "TLcVtStates.IsColorToneSettingAvailable" )

    57     TUint32 supportedModes;

    58     // Get supported whitebalance modes

    59     if ( iCameraPref )

    60         {

    61         if ( iCameraPref->GetSupportedColorTones( supportedModes ) )

    62             {

    63             // error occured

    64             __VTPRINTEXIT( "TLcVtStates.IsColorToneSettingAvailableErr" )

    65             return EFalse;

    66             }

    67         }

    68 

    69     // Clean the flag, flags that are possible are

    70     // A bitfield of suported colortones

    71     // ENormal         = 0x00,

    72     // ESepia          = 0x01,

    73     // EGrayscale      = 0x02,

    74     // ENegative       = 0x04

    75     supportedModes &= 0x07;

    76 

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

    78     __VTPRINTEXIT( "TLcVtStates.IsColorToneSettingAvailable" )

    79     return supportedModes;

    80     }

    81 

    82 // -----------------------------------------------------------------------------

    83 // TLcVtStates::IsWhiteBalanceSettingAvailable

    84 // -----------------------------------------------------------------------------

    85 //

    86 TBool TLcVtStates::IsWhiteBalanceSettingAvailable() const

    87     {

    88     __VTPRINTENTER( "TLcVtStates.IsWhiteBalanceSettingAvailable" )

    89     TUint32 supportedModes;

    90     // Get supported whitebalance modes

    91     if ( iCameraPref )

    92         {

    93         if ( iCameraPref->GetSupportedWhiteBalanceModes( supportedModes ) )

    94             {

    95             // error occured

    96             __VTPRINTEXIT( "TLcVtStates.IsWhiteBalanceSettingAvailableErr" )

    97             return EFalse;

    98             }

    99         }

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

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

   102     __VTPRINTEXIT( "TLcVtStates.IsWhiteBalanceSettingAvailable2" )

   103     return supportedModes;

   104     }

   105 

   106 // -----------------------------------------------------------------------------

   107 // TLcVtStates::IsContrastSettingAvailable

   108 // -----------------------------------------------------------------------------

   109 //

   110 TBool TLcVtStates::IsContrastSettingAvailable() const

   111     {

   112     __VTPRINTENTER( "TLcVtStates.IsContrastSettingAvailable" )

   113     TBool ret( ETrue );

   114     if ( iCameraPref )

   115         {

   116         TInt temp;

   117         ret = !iCameraPref->GetContrast( temp );

   118         }

   119     return ret;

   120     }

   121 

   122 // -----------------------------------------------------------------------------

   123 // TLcVtStates::IsBrightnessSettingAvailable

   124 // -----------------------------------------------------------------------------

   125 //

   126 TBool TLcVtStates::IsBrightnessSettingAvailable() const

   127     {

   128     __VTPRINTENTER( "TLcVtStates.IsBrightnessSettingAvailable" )

   129     TBool ret( ETrue );

   130     if ( iCameraPref )

   131          {

   132          TInt temp;

   133          ret = !iCameraPref->GetBrightness( temp );

   134          }

   135     return ret;

   136     }