1 /* |
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2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Videoteleng Camera Preferences extension |
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15 * |
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16 */ |
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17 |
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18 |
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19 // INCLUDE FILES |
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20 #include "CVtEngCameraPreferences.h" |
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21 #include "VtEngPanic.h" |
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22 #include "CVtEngSettings.h" |
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23 #include "VtEngUtils.h" |
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24 #include "mvtengcamerapreferencesobserver.h" |
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25 |
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26 #include <capivideosource.h> |
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27 #include <cvtlogger.h> |
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28 |
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29 // LOCAL CONSTANTS AND MACROS |
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30 |
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31 // ============================ MEMBER FUNCTIONS ============================== |
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32 |
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33 // ---------------------------------------------------------------------------- |
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34 // CVtEngCameraPreferences::CVtEngCameraPreferences |
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35 // C++ constructor can NOT contain any code, that |
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36 // might leave. |
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37 // ---------------------------------------------------------------------------- |
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38 // |
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39 CVtEngCameraPreferences::CVtEngCameraPreferences(): |
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40 CVtEngExtensionBase( |
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41 KVtEngExtensionCameraPreferences ) |
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42 { |
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43 } |
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44 |
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45 // ---------------------------------------------------------------------------- |
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46 // CVtEngCameraPreferences::ConstructL |
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47 // Symbian 2nd phase constructor can leave. |
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48 // ---------------------------------------------------------------------------- |
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49 // |
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50 void CVtEngCameraPreferences::ConstructL() |
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51 { |
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52 __VTPRINTENTER( "CVtEngCameraPreferences.ConstructL" ) |
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53 __VTPRINTEXIT( "CVtEngCameraPreferences.ConstructL" ) |
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54 } |
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55 |
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56 // ---------------------------------------------------------------------------- |
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57 // CVtEngCameraPreferences::NewL |
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58 // Two-phased constructor. |
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59 // ---------------------------------------------------------------------------- |
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60 // |
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61 CVtEngCameraPreferences* CVtEngCameraPreferences::NewL() |
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62 { |
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63 CVtEngCameraPreferences* self = new( ELeave ) CVtEngCameraPreferences; |
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64 CleanupStack::PushL( self ); |
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65 self->ConstructL(); |
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66 CleanupStack::Pop(); |
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67 return self; |
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68 } |
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69 |
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70 // ---------------------------------------------------------------------------- |
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71 // CVtEngCameraPreferences::~CVtEngCameraPreferences |
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72 // Destructor. Cannot leave. |
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73 // ---------------------------------------------------------------------------- |
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74 // |
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75 CVtEngCameraPreferences::~CVtEngCameraPreferences() |
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76 { |
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77 __VTPRINTENTER( "CameraPreferences.~" ) |
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78 if ( iObserver ) |
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79 { |
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80 iObserver->Detach( *this ); |
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81 } |
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82 __VTPRINTEXIT( "CameraPreferences.~" ) |
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83 } |
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84 |
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85 // ---------------------------------------------------------------------------- |
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86 // CVtEngCameraPreferences::GetInterface |
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87 // |
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88 // ---------------------------------------------------------------------------- |
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89 // |
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90 TAny* CVtEngCameraPreferences::GetInterface() |
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91 { |
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92 __VTPRINTENTER( "CameraPreferences.GetInterface") |
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93 // Cast first as API MVtEngCameraPreferences* class |
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94 // and after that to TAny* |
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95 __VTPRINTEXIT( "CameraPreferences.GetInterface" ) |
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96 return reinterpret_cast< TAny* >( ( MVtEngCameraPreferences* ) this ); |
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97 |
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98 } |
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99 |
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100 // ---------------------------------------------------------------------------- |
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101 // CVtEngCameraPreferences::HandleL |
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102 // |
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103 // ---------------------------------------------------------------------------- |
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104 // |
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105 TBool CVtEngCameraPreferences::HandleL( CVtEngOperation* aOp ) |
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106 { |
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107 __VTPRINTENTER( "CameraPreferences.HandleL" ) |
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108 const TVtEngCommandId id( aOp->Command() ); |
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109 __VTPRINT2( DEBUG_GEN, "CVtEngCameraPreferences.HandleL CMD ID[%d] ", id ) |
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110 |
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111 // Check provider |
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112 if ( iProvider == NULL ) |
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113 { |
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114 __VTPRINTEXITR( "CVtEngCameraPreferences.HandleL iProvider [%d]", |
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115 ( TInt )iProvider ) |
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116 User::Leave( KErrNotReady ); |
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117 } |
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118 // Check which command and call |
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119 // active provider with operation params |
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120 switch ( id ) |
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121 { |
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122 case KVtEngSetContrast: |
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123 { |
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124 TInt contrast = 0; |
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125 TVtEngOpParamUtil< TInt >::Set( contrast, *aOp ); |
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126 iProvider->SetContrastL( contrast ); |
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127 if ( iObserver ) |
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128 { |
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129 iObserver->ContrastUpdated( contrast ); |
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130 } |
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131 break; |
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132 } |
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133 case KVtEngSetBrightness: |
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134 { |
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135 TInt brightness = 0; |
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136 TVtEngOpParamUtil< TInt >::Set( brightness, *aOp ); |
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137 iProvider->SetBrightnessL( brightness ); |
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138 if ( iObserver ) |
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139 { |
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140 iObserver->BrightnessUpdated( brightness ); |
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141 } |
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142 break; |
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143 } |
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144 case KVtEngSetWhiteBalance: |
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145 { |
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146 CCamera::TWhiteBalance whitebalance = CCamera::EWBAuto; |
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147 TVtEngOpParamUtil< CCamera::TWhiteBalance >::Set( whitebalance, |
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148 *aOp ); |
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149 iProvider->SetWhiteBalanceL( whitebalance ); |
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150 if ( iObserver ) |
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151 { |
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152 iObserver->WhiteBalanceUpdated( TWhiteBalance( whitebalance ) ); |
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153 } |
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154 break; |
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155 } |
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156 case KVtEngSetColorTone: |
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157 { |
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158 CCamera::CCameraImageProcessing::TEffect colortone = |
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159 CCamera::CCameraImageProcessing::EEffectNone; |
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160 TVtEngOpParamUtil< CCamera::CCameraImageProcessing::TEffect >::Set( |
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161 colortone, *aOp ); |
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162 iProvider->SetColorToneL( colortone ); |
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163 if ( iObserver ) |
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164 { |
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165 iObserver->ColorToneUpdated( TColorTone( colortone ) ); |
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166 } |
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167 break; |
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168 } |
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169 //Not supported command |
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170 default: |
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171 __VTPRINTEXITR( |
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172 "CVtEngCameraPreferences.HandleL NOT SUPPORTED CMD[%d]", id ) |
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173 return EFalse; |
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174 } |
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175 __VTPRINTEXIT( "CameraPreferences.HandleL" ) |
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176 return ETrue; |
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177 } |
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178 |
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179 // ---------------------------------------------------------------------------- |
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180 // CVtEngCameraPreferences::ValidateCommand |
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181 // |
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182 // ---------------------------------------------------------------------------- |
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183 |
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184 TBool CVtEngCameraPreferences::ValidateCommand( |
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185 const TVtEngCommandId aCommandId ) |
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186 { |
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187 __VTPRINTENTER( "CameraPreferences.ValidateCommand" ) |
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188 // Check provider |
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189 if ( iProvider == NULL ) |
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190 { |
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191 __VTPRINTEXITR( |
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192 "CVtEngCameraPreferences.ValidateCommand iProvider [%d]", |
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193 ( TInt ) iProvider) |
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194 return EFalse; |
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195 } |
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196 // Take provider info is needed down below |
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197 TVSDataProviderInfo info; |
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198 iProvider->ProviderInfo( info ); |
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199 |
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200 // local or hw support |
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201 // set as False |
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202 TBool hworlocalsupport = EFalse; |
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203 |
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204 // Check which command and check if |
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205 // if provider and local variation supports |
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206 __VTPRINT2( DEBUG_GEN, |
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207 "CVtEngCameraPreferences.ValidateCommand CMD ID[%d] ", aCommandId ) |
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208 switch ( aCommandId ) |
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209 { |
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210 case KVtEngSetContrast: |
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211 { |
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212 if ( info.iOptionsSupported & TCameraInfo::EContrastSupported ) |
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213 { |
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214 hworlocalsupport = ETrue; |
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215 } |
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216 break; |
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217 } |
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218 case KVtEngSetBrightness: |
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219 { |
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220 if ( info.iOptionsSupported & TCameraInfo::EBrightnessSupported ) |
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221 { |
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222 hworlocalsupport = ETrue; |
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223 } |
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224 break; |
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225 } |
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226 case KVtEngSetWhiteBalance: |
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227 { |
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228 if ( info.iWhiteBalanceModesSupported != CCamera::EWBAuto ) |
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229 { |
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230 hworlocalsupport = ETrue; |
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231 } |
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232 break; |
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233 } |
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234 case KVtEngSetColorTone: |
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235 { |
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236 if ( info.iSupportedColorTones != |
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237 CCamera::CCameraImageProcessing::EEffectNone ) |
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238 { |
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239 hworlocalsupport = ETrue; |
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240 } |
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241 break; |
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242 } |
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243 // Not supported command |
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244 default: |
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245 { |
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246 __VTPRINT2( DEBUG_GEN, |
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247 "CVtEngCameraPreferences.ValidateCommand NOT SUPPORTED CMD[%d]", |
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248 aCommandId) |
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249 hworlocalsupport = EFalse; |
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250 } |
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251 } |
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252 __VTPRINTEXITR( "CVtEngCameraPreferences.ValidateCommand return value[%d]", |
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253 hworlocalsupport) |
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254 return hworlocalsupport; |
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255 } |
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256 |
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257 // ---------------------------------------------------------------------------- |
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258 // CVtEngCameraPreferences::GetColorTone |
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259 // |
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260 // ---------------------------------------------------------------------------- |
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261 // |
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262 TInt CVtEngCameraPreferences::GetColorTone( |
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263 MVtEngCameraPreferences::TColorTone& aColortone ) const |
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264 { |
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265 __VTPRINTENTER( "CameraPreferences.GetColorTone" ) |
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266 if ( iProvider == NULL ) |
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267 { |
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268 __VTPRINTEXITR( "CVtEngCameraPreferences.GetColorTone iProvider[%d]", |
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269 ( TInt )iProvider) |
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270 return KErrNotReady; |
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271 } |
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272 TInt error; |
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273 CCamera::CCameraImageProcessing::TEffect colortone; |
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274 error = iProvider->GetColorTone( colortone ); |
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275 aColortone = ( MVtEngCameraPreferences::TColorTone ) colortone; |
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276 __VTPRINTEXITR( "CameraPreferences.GetColorTone error [%d]",error ) |
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277 return error; |
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278 } |
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279 |
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280 // ---------------------------------------------------------------------------- |
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281 // CVtEngCameraPreferences::GetSupportedColorTones |
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282 // |
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283 // ---------------------------------------------------------------------------- |
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284 // |
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285 TInt CVtEngCameraPreferences::GetSupportedColorTones( |
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286 TUint32& aSupportedColorTones ) const |
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287 { |
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288 __VTPRINTENTER( "CameraPreferences.GetSupportedColorTones" ) |
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289 if ( iProvider == NULL ) |
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290 { |
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291 __VTPRINTEXITR( |
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292 "CVtEngCameraPreferences.GetSupportedColorTones iProvider[%d]", |
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293 ( TInt )iProvider) |
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294 return KErrNotReady; |
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295 } |
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296 |
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297 TVSDataProviderInfo info; |
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298 iProvider->ProviderInfo( info ); |
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299 aSupportedColorTones = info.iSupportedColorTones; |
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300 __VTPRINTEXITR( "CameraPreferences.GetSupportedColorTones [%b]", |
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301 info.iSupportedColorTones) |
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302 return KErrNone; |
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303 } |
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304 |
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305 // ---------------------------------------------------------------------------- |
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306 // CVtEngCameraPreferences::GetWhiteBalance |
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307 // |
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308 // ---------------------------------------------------------------------------- |
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309 // |
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310 TInt CVtEngCameraPreferences::GetWhiteBalance( |
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311 MVtEngCameraPreferences::TWhiteBalance& aWhiteBalance ) const |
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312 { |
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313 __VTPRINTENTER( "CameraPreferences.GetWhiteBalance" ) |
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314 if ( iProvider == NULL ) |
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315 { |
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316 __VTPRINTEXITR( |
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317 "CVtEngCameraPreferences.GetWhiteBalance iProvider [%d]", |
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318 ( TInt )iProvider ) |
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319 return KErrNotReady; |
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320 } |
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321 TInt error; |
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322 CCamera::TWhiteBalance whitebalance; |
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323 error = iProvider->GetWhiteBalance( whitebalance ); |
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324 aWhiteBalance = (MVtEngCameraPreferences::TWhiteBalance) whitebalance; |
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325 __VTPRINTEXITR( "CameraPreferences.GetWhiteBalance error [%d]",error ) |
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326 return error; |
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327 } |
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328 |
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329 // ---------------------------------------------------------------------------- |
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330 // CVtEngCameraPreferences::GetSupportedWhiteBalanceModes |
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331 // |
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332 // ---------------------------------------------------------------------------- |
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333 // |
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334 TInt CVtEngCameraPreferences::GetSupportedWhiteBalanceModes( |
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335 TUint32& aWhiteBalance ) const |
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336 { |
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337 __VTPRINTENTER( "CameraPreferences.GetSupportedWhiteBalanceModes" ) |
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338 if ( iProvider == NULL ) |
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339 { |
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340 __VTPRINTEXITR( |
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341 "CVtEngCameraPreferences.GetSupportedWhiteBalanceModes iProvider [%d]", |
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342 ( TInt )iProvider) |
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343 return KErrNotReady; |
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344 } |
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345 |
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346 TVSDataProviderInfo info; |
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347 iProvider->ProviderInfo( info ); |
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348 aWhiteBalance = info.iWhiteBalanceModesSupported; |
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349 __VTPRINTEXITR( "CameraPreferences.GetSupportedWhiteBalanceModes [%b]", |
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350 info.iWhiteBalanceModesSupported) |
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351 return KErrNone; |
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352 } |
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353 |
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354 // ---------------------------------------------------------------------------- |
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355 // CVtEngCameraPreferences::GetBrightness |
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356 // |
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357 // ---------------------------------------------------------------------------- |
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358 // |
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359 TInt CVtEngCameraPreferences::GetBrightness( TInt& aBrightness ) const |
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360 { |
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361 __VTPRINTENTER( "CameraPreferences.GetBrightness" ) |
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362 if ( iProvider == NULL ) |
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363 { |
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364 __VTPRINTEXITR( "CVtEngCameraPreferences.GetBrightness iProvider [%d]", |
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365 ( TInt )iProvider) |
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366 |
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367 return KErrNotReady; |
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368 } |
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369 TInt error; |
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370 error = iProvider->GetBrightness( aBrightness ); |
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371 __VTPRINTEXITR( "CameraPreferences.GetBrightness error [%d]",error ) |
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372 return error; |
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373 } |
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374 |
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375 // ---------------------------------------------------------------------------- |
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376 // CVtEngCameraPreferences::GetContrast |
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377 // |
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378 // ---------------------------------------------------------------------------- |
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379 // |
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380 TInt CVtEngCameraPreferences::GetContrast( TInt& aContrast ) const |
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381 { |
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382 __VTPRINTENTER( "CameraPreferences.GetContrast" ) |
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383 if ( iProvider == NULL ) |
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384 { |
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385 __VTPRINTEXITR( "CVtEngCameraPreferences.GetContrast iProvider [%d]", |
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386 ( TInt )iProvider) |
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387 return KErrNotReady; |
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388 } |
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389 TInt error; |
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390 error = iProvider->GetContrast( aContrast ); |
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391 __VTPRINTEXITR( "CameraPreferences.GetContrast error [%d]",error ) |
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392 |
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393 return error; |
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394 } |
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395 |
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396 // ---------------------------------------------------------------------------- |
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397 // CVtEngCameraPreferences::SetProvider |
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398 // |
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399 // ---------------------------------------------------------------------------- |
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400 // |
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401 void CVtEngCameraPreferences::SetProvider( CVSDataProvider* aProvider, |
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402 MVtEngCameraPreferencesObserver& aObserver ) |
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403 { |
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404 __VTPRINTENTER( "CameraPreferences.SetProvider" ) |
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405 if ( iObserver ) |
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406 { |
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407 iObserver->Detach( *this ); |
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408 iObserver = NULL; |
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409 } |
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410 iProvider = aProvider; |
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411 iObserver = &aObserver; |
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412 if ( iObserver ) |
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413 { |
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414 iObserver->Attach( *this ); |
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415 } |
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416 __VTPRINTEXIT( "CameraPreferences.SetProvider" ) |
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417 } |
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418 |
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419 // ---------------------------------------------------------------------------- |
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420 // CVtEngCameraPreferences::Detach |
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421 // |
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422 // ---------------------------------------------------------------------------- |
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423 // |
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424 void CVtEngCameraPreferences::Detach( MVtEngCameraPreferencesObserver& |
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425 aObserver ) |
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426 { |
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427 __VTPRINTENTER( "CameraPreferences.Detach" ) |
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428 if ( iObserver == &aObserver ) |
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429 { |
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430 iObserver = NULL; |
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431 } |
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432 __VTPRINTEXITR( "CameraPreferences.Detach $%x", TInt( iObserver ) ) |
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433 } |
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434 |
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435 |
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436 |
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437 // End of File |
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